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SI: Russian mechanics contributions for Structural Integrity Views: 501 Downloads: 282 Vol. 19, No. 74 (2025) August 28, 2025 pp. 193-205

Studying the strength and damageability of composite element in looped metal-composite joint under tensile loading

Irakly Kacharava, Tatiana Ryzhova, Vladimir Vermel, Alexander Shanygin, Danil Fomin, Yury Mirgorodsky, Nikolay Kovalyov, Yulia Petronyuk, Vadim Levin, Sergey Lekomtsev

The article presents the results of computational and experimental studies of the strength and damageability of a connecting composite part in a metal-composite joint of isogrid and anisogrid structures made of polymer composite material…

10.3221/IGF-ESIS.74.13

Details: Studying the strength and damageability of composite element in looped metal-composite joint under tensile loading PDF HTML Visual Abstract

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Structural Integrity and Safety: Experimental and Numerical Perspectives Views: 740 Downloads: 634 Vol. 18, No. 67 (2024) December 17, 2023 pp. 319-336

Retrofitting of Box Section Concrete Beams to Resist Shear and Torsion Using Near-Surface-Mount (NSM) GFRP Stirrups

Ahmed Mahmoud, Moaz A. Nasser, Tarek S. Mostafa, Ahmed N. Khater

There are a few kinds of research about box section Reinforced Concrete (RC) beams under the effect of combined shear and torsional stresses. In the present research, the concept of adding external strengthening, in the transverse…

10.3221/IGF-ESIS.67.23

Details: Retrofitting of Box Section Concrete Beams to Resist Shear and Torsion Using Near-Surface-Mount (NSM) GFRP Stirrups PDF Visual Abstract

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Advanced Manufacturing and Processing Views: 1,080 Downloads: 996 Vol. 15, No. 55 (2021) December 28, 2020

Parametric Study Of Friction Stir Spot Welding (FSSW) For Polymer Materials Case Of High Density Polyethylene Sheets: Experimental And Numerical Study

Djilali Benyerou, El Bahri Ould Chikh, Habib Khellafi, Hadj Miloud Meddah, Ali Benhamena, Kaddour Hachelaf, Abdellah Lounis

Friction stir spot welding (FSSW) is a very important part of conventional friction stir welding (FSW) which can be a replacement for riveted assemblies and resistance spot welding. This technique provides high quality joints compared to…

10.3221/IGF-ESIS.55.11

Details: Parametric Study Of Friction Stir Spot Welding (FSSW) For Polymer Materials Case Of High Density Polyethylene Sheets: Experimental And Numerical Study PDF Visual Abstract

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SI: Russian mechanics contributions for Structural Integrity Views: 470 Downloads: 340 Vol. 19, No. 73 (2025) April 5, 2025 pp. 1-11

The assessment of the severity of local impact on a pro-bionic composite lattice shell by the use of fiber-optic sensors

Sergei Sapozhnikov, Evgeny Dubovikov

The paper considers a pro-bionic lattice shell (PBLS) for civil aviation structures and the problem of getting the parameters of a local low-velocity impact taking the value of residual strain by fiber optic sensors (FOS) installed in…

10.3221/IGF-ESIS.73.01

Details: The assessment of the severity of local impact on a pro-bionic composite lattice shell by the use of fiber-optic sensors PDF HTML Visual Abstract

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SI: Russian mechanics contributions for Structural Integrity Views: 603 Downloads: 481 Vol. 13, No. 49 (2019) June 23, 2019 pp. 396-411

Computational multi-scale analysis of simultaneous processes of delamination and damage accumulation in laminated composites

Mikhail Tashkinov

When studying mechanical behavior of structures made of laminated polymer composite materials, issues related to their relatively high susceptibility to damage, such as delamination, fiber breakage and matrix failure, play significant…

10.3221/IGF-ESIS.49.39

Details: Computational multi-scale analysis of simultaneous processes of delamination and damage accumulation in laminated composites PDF Visual Abstract

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Analytical, Numerical and Physical Models Views: 989 Downloads: 581 Vol. 15, No. 57 (2021) June 22, 2021 pp. 70-81

Behavior of Structural Concrete Frames with Hybrid Reinforcement under Cyclic Loading

Asmaa Sobhy, Louay Aboul Nour, Hilal Hassan, Alaaeldin Elsisi

A substantial amount of work was carried out on the use of fiber-reinforced polymer (FRP) in reinforcing concrete structural elements, which demonstrated considerable inelasticity or deformity through monotonous and fatigue loads. Even so…

10.3221/IGF-ESIS.57.07

Details: Behavior of Structural Concrete Frames with Hybrid Reinforcement under Cyclic Loading PDF Visual Abstract

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Damage mechanics Views: 616 Downloads: 419 Vol. 19, No. 73 (2025) June 11, 2025 pp. 236-255

Damage of additively manufactured polymer materials: experimental and probabilistic analysis

Taoufik Hachimi, Fouad Ait Hmazi, Fatima Majid

This paper presents a study on the tensile, fracture, damage, and reliability properties of 3D printed polylactic acid (PLA), based on a series of experiments. The study focuses on polylactic acid (PLA) samples produced using fused…

10.3221/IGF-ESIS.73.16

Details: Damage of additively manufactured polymer materials: experimental and probabilistic analysis PDF HTML Visual Abstract

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Miscellanea Views: 600 Downloads: 568 Vol. 17, No. 66 (2023) September 27, 2023 pp. 297-310

The behavior of reinforced lightweight concrete beams with initial cracks

Mustafa Q. Hasa, Abdulkhalik Abdulridha

This research examines the performance of reinforced lightweight concrete beams subjected to several degrees of damage (50%, 60%, 70%, and 100%). It can use a sheet made of Carbon Fiber Reinforced Polymer (CFRP) to reinforce. The Full…

10.3221/IGF-ESIS.66.18

Details: The behavior of reinforced lightweight concrete beams with initial cracks PDF Visual Abstract

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Integrity of materials and structures Views: 436 Downloads: 226 Vol. 19, No. 74 (2025) August 10, 2025 pp. 89-114

Experimental Investigation of Tensile and Bond Strength for a GFRP–SSWM Hybrid Wraps

Vipul Kalyani, Digesh Joshi, Paresh Patel

This study experimentally investigates the tensile and bond performance of novel GFRP–SSWM hybrid wraps developed using two epoxy adhesives - Sikadur 30 LP and Sikadur 330. A total of 42 coupon specimens for tensile testing and 48 dumbbell…

10.3221/IGF-ESIS.74.07

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Fracture Views: 643 Downloads: 457 Vol. 16, No. 59 (2022) December 22, 2021 pp. 311-325

Effect of the Stress State on the Adhesive Strength of an Epoxy-Bonded Assembly

Sergey Smirnov, Dmitry Konovalov, Irina Veretennikova, Aleksander Pestov, Viktoria Osipova

The paper studies the adhesive strength of aluminum alloy specimens bonded with the use of an epoxy adhesive, under the tensile-shear stress state, depending on the testing temperature. Tension of modified Arcan specimens with load angles…

10.3221/IGF-ESIS.59.21

Details: Effect of the Stress State on the Adhesive Strength of an Epoxy-Bonded Assembly PDF Visual Abstract

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SI: Russian mechanics contributions for Structural Integrity Views: 978 Downloads: 529 Vol. 19, No. 71 (2025) November 21, 2024 pp. 239-245

Mechanical testing of miniature carbon fiber reinforced polymer (CFRP) samples under digital light microscopy

Eugene Statnik, Iu. A. Sadykova, E. N. Prokopev, A.I. Salimon, E. V. Nazarov, N. V. Turbin, A.M. Korsunsky

The rapid development of inhomogeneous and anisotropic materials like carbon fiber reinforced polymers (CFRP) with epoxy matrices necessitates a multidisciplinary approach for safe use. This approach should integrate computational modeling…

10.3221/IGF-ESIS.71.17

Details: Mechanical testing of miniature carbon fiber reinforced polymer (CFRP) samples under digital light microscopy PDF HTML Visual Abstract

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SI: Russian mechanics contributions for Structural Integrity Views: 633 Downloads: 503 Vol. 18, No. 67 (2024) December 17, 2023 pp. 259-279

Computer simulation of stress-strain states in zygomatic bones after complex installation of implants

Timur Dibirov, Aleksey Drobyshev, Eduard Kharazyan, Nikolay Redko, Egor Pankov, Alexander Kozulin, Sergey Panin, Sergey Arutyunov

The research addresses evaluation of stress-strain state (SSS) in the “zygomatic bones–implants–denture base” system by varying the type and number of the zygomatic implants, as well as applying loads. The load magnitude was varied over a…

10.3221/IGF-ESIS.67.19

Details: Computer simulation of stress-strain states in zygomatic bones after complex installation of implants PDF Visual Abstract

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Impact & Dynamics Views: 626 Downloads: 535 Vol. 15, No. 55 (2021) December 28, 2020 pp. 88-109

Experimental and numerical optimization study of shock wave damping in aluminum panel sandwich

Masoud Rahmani, Amin Moslemi Petrudi

Sandwich panels with polymer composite and light core composites are widely used in aircraft and spacecraft, vessels, trains, submarines, and cars. Due to their high strength to weight ratio, high stability, and high corrosion resistance…

10.3221/IGF-ESIS.55.07

Details: Experimental and numerical optimization study of shock wave damping in aluminum panel sandwich PDF Visual Abstract

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Structural Integrity and Safety: Experimental and Numerical Perspectives Views: 1,326 Downloads: 1,433 Vol. 17, No. 63 (2023) December 21, 2022 pp. 206-233

Numerical nonlinear analysis of RC beans with un-strengthened and CFRP-strengthened opening drilled under service loads within shear zones

Magdy Khalaf, L. Aboul-Nour, M. Khater, M. Ibrahim

Current research paper deals with reinforced concrete (R.C.) beams numerical modeling and suggested strengthening procedure if it is required to create an opening within their shear zones. Strengthening is assumed to be achieved during…

10.3221/IGF-ESIS.63.17

Details: Numerical nonlinear analysis of RC beans with un-strengthened and CFRP-strengthened opening drilled under service loads within shear zones PDF Visual Abstract

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SI: New Trends in Fatigue and Fracture Views: 694 Downloads: 451 Vol. 13, No. 49 (2019) June 21, 2019 pp. 568-585

Flexural testing and analysis of full-strain-fields in sandwich composites

Rosa Marat-Mendes, Ricardo Martins, Alexandre Garcia, Luis Reis

The objective of this work was to characterize the full-field flexural behavior of composite sandwich beams. Finite element analysis was used to estimate the behavior of sandwich beams under three- and four-point-bending tests and were…

10.3221/IGF-ESIS.49.53

Details: Flexural testing and analysis of full-strain-fields in sandwich composites PDF Visual Abstract

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Miscellanea Views: 1,067 Downloads: 621 Vol. 12, No. 43 (2018) December 28, 2017 pp. Pages 79-89

Continuum damage modeling through theoretical and experimental pressure limit formulas

Fatima Majid, Mohamed Elghorba

In this paper, we developed a mathematical modeling to represent the damage of thermoplastic pipes. On the one hand, we adapted the theories of the rupture pressure to fit the High Density Polyethylene (HDPE) case. Indeed, the theories for…

10.3221/IGF-ESIS.43.05

Details: Continuum damage modeling through theoretical and experimental pressure limit formulas PDF

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SI: Crack Paths - CP2024 Views: 536 Downloads: 356 Vol. 19, No. 73 (2025) May 22, 2025 pp. 153-165

Prediction of the tensile strength of FDM specimens based on Tsai Hill criteria

Cosmin Florin Popa, Sergiu Valentin Galatanu, Liviu Marsavina

This study investigates the mechanical behavior of 3D-printed polyethylene terephthalate glycol (PETG) polymer specimens subjected to tensile and shear testing, with a particular focus on the influence of raster orientation and shell…

10.3221/IGF-ESIS.73.11

Details: Prediction of the tensile strength of FDM specimens based on Tsai Hill criteria PDF HTML Visual Abstract

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Advanced Manufacturing and Processing Views: 726 Downloads: 515 Vol. 14, No. 52 (2020) January 30, 2020 pp. 128-136

Three-dimensional Numerical Analysis of a Joint Bonded Reinforced with Silica Nanoparticles (SiO2)

Noureddine Djebbar, Rachid Hadj Boulenouar, Benali Boutabout

Nanostructured adhesives may be defined as those materials whose elements imbedded in an epoxy matrix have dimensions in the 1 to 100 nm range. One of the most interesting aspects of ceramic nanoparticles is that their mechanical…

10.3221/IGF-ESIS.52.11

Details: Three-dimensional Numerical Analysis of a Joint Bonded Reinforced with Silica Nanoparticles (SiO2) PDF Visual Abstract

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Damage mechanics Views: 574 Downloads: 273 Vol. 19, No. 74 (2025) July 8, 2025 pp. 31-41

Optimizing different damaged reinforced concrete corbel characteristics utilizing CFRP sheets

Salah Aborgheef, Abdulkhalik Jabbar Abdulridha

Concrete corbels are short cantilever constructions that may lose their strength over time because of loads that happen over and over again. As an external bonding method for reinforcement, carbon fiber-reinforced polymer (CFRP) strips are…

10.3221/IGF-ESIS.74.03

Details: Optimizing different damaged reinforced concrete corbel characteristics utilizing CFRP sheets HTML PDF Visual Abstract

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SI: Russian mechanics contributions for Structural Integrity Views: 713 Downloads: 514 Vol. 18, No. 67 (2024) December 17, 2023 pp. 311-318

Longitudinal elastic nonlinearity of composite material

Boris Fedulov, Daria Bondarchuk, Evgeny Lomakin

It is known that the initial waviness of the fiber affects the stiffness characteristics and strength of the polymer composite material. The article presents a continuum model taking into account the nonlinearity of the longitudinal…

10.3221/IGF-ESIS.67.22

Details: Longitudinal elastic nonlinearity of composite material PDF Visual Abstract

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Integrity of materials and structures Views: 531 Downloads: 453 Vol. 19, No. 74 (2025) September 21, 2025 pp. 421-437

Assessment of mechanical, fracture and thermal properties of epoxy nanocomposites reinforced with low-concentration nano Boron Carbide (B4C)

Akshata Ganji, Mantesh Choukimath, N.R. Banapurmath, M.A. Umarfarooq, Adavayya Chikkamath, Ashok M. Sajjan, K. Rajesh, Ramesh M. Kenchappanavar, Kartheek Ravulapati

This study investigates the effects of low concentration (0.1-0.4 wt.%) nano-boron carbide (B4C) reinforcement on the mechanical, thermal and fracture properties of epoxy nanocomposites. The nanocomposites were prepared via solution…

10.3221/IGF-ESIS.74.26

Details: Assessment of mechanical, fracture and thermal properties of epoxy nanocomposites reinforced with low-concentration nano Boron Carbide (B4C) PDF HTML Visual Abstract

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SI: Russian mechanics contributions for Structural Integrity Views: 692 Downloads: 488 Vol. 13, No. 49 (2019) May 28, 2019 pp. 177-189

Numerical analysis of the strain values obtained by FBG embedded in a composite material using assumptions about uniaxial stress state of the optical fiber and capillary on the Bragg grating

Natalia Aleksandrovna Kosheleva, Valerii Matveenko, Grigorii Serovaev, Andrey Fedorov

One of the issues in the strain measurement with the help of fiber-optic sensors based on Bragg gratings is the calculation of the strain based on the information from the sensor and its correspondence to the material strain. Relationships…

10.3221/IGF-ESIS.49.19

Details: Numerical analysis of the strain values obtained by FBG embedded in a composite material using assumptions about uniaxial stress state of the optical fiber and capillary on the Bragg grating PDF Visual Abstract

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SI: Structural Integrity and fatigue mechanisms: applications and recent trends Views: 556 Downloads: 544 Vol. 18, No. 69 (2024) May 11, 2024 pp. 181-191

Enhancing the flexural performance of lightweight concrete slabs with CFRP Sheets: an experimental analysis

Mustafa Khadim, Abdulkhalik Abdulridha

The flexural behavior of lightweight concrete two-way slabs is investigated in this work, with a focus on the strengthening or repairing method of externally attaching carbon fiber-reinforced polymer (CFRP) sheets. Five 1000 mm by 1000 mm…

10.3221/IGF-ESIS.69.13

Details: Enhancing the flexural performance of lightweight concrete slabs with CFRP Sheets: an experimental analysis PDF Visual Abstract

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Reliability and Life Extension of Components Views: 638 Downloads: 502 Vol. 15, No. 56 (2021) March 28, 2021 pp. 1-15

Evaluation of the survivability of CFRP honeycomb-cored panels in compression after impact tests

Oleg Staroverov, Elena Strungar, Valery Wildemann

This paper is oriented to the experimental research of the mechanics of the CFRP sandwich plates, glass and carbon fiber sample panels with a large-cell honeycomb core. The method for testing polymer composite sample plates in compression…

10.3221/IGF-ESIS.56.01

Details: Evaluation of the survivability of CFRP honeycomb-cored panels in compression after impact tests PDF Visual Abstract

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Integrity of materials and structures Views: 394 Downloads: 554 Vol. 19, No. 73 (2025) May 13, 2025 pp. 108-130

Influence of contact interaction character on residual stresses arising over damaged area in composite plate

Sviatoslav Eleonsky, Vladimir Pisarev, Yury Matvienko, Galina Gvozdeva

New data concerning the values of residual stresses that arise as a result of the contact interaction of a spherical indenter and a flat surface of composite plate have been obtained. The studies are performed for both static indentation…

10.3221/IGF-ESIS.73.08

Details: Influence of contact interaction character on residual stresses arising over damaged area in composite plate PDF HTML Visual Abstract

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Miscellanea Views: 1,294 Downloads: 601 Vol. 11, No. 42 (2017) September 29, 2017 pp. Pages 238-248

Fracture toughness and failure mechanism of high performance concrete incorporating carbon nanotubes

Anwar Khitab, Sajjad Ahmad, Rao Arsalan Khushnood, Syed Ali Rizwan, Giuseppe Andrea Ferro, Luciana Restuccia, Mustajab Ali, Imran Mehmood

Cement and concrete composites are inherently brittle and exhibit very less tensile/flexural strength capacity as compared to their compressive strength. Use of thoroughly dispersed carbon nanotubes in the concrete matrix is one of the…

10.3221/IGF-ESIS.42.26

Details: Fracture toughness and failure mechanism of high performance concrete incorporating carbon nanotubes PDF

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Fatigue and Fracture of non metallic materials Views: 793 Downloads: 421 Vol. 19, No. 71 (2025) October 8, 2024 pp. 22-36

Mechanical, Fracture, and Thermal Characterization of Post-Cured Hybrid Epoxy Nanocomposites Reinforced with Graphene Nanoplatelets and h-Boron Nitride

M.A. Umarfarooq, Mantesh Choukimath, N. R. Banapurmath

The post-curing process of cured composites is essential in enhancing the strength, stiffness, elevating the glass transition temperature, and reducing residual stress in polymer thermoset composites. The curing temperature and time are…

10.3221/IGF-ESIS.71.03

Details: Mechanical, Fracture, and Thermal Characterization of Post-Cured Hybrid Epoxy Nanocomposites Reinforced with Graphene Nanoplatelets and h-Boron Nitride PDF HTML Visual Abstract

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Failure Analysis, Case Studies and Forensic Engineering Views: 835 Downloads: 719 Vol. 17, No. 66 (2023) September 27, 2023 pp. 1-16

Experimental and numerical investigations of masonry ‎ beams performance under bending loads

Samarsamy Hamed, Mohamed Husain, Mahmoud Zaghlal, Alaa El-Sisi

An experimental and numerical study was achieved to investigate the behavior of masonry beams internally reinforced using carbon fiber-reinforced polymer (CFRP) and hybrid steel/CFRP reinforcements. In addition, the use of masonry…

10.3221/IGF-ESIS.66.01

Details: Experimental and numerical investigations of masonry ‎ beams performance under bending loads PDF Visual Abstract

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Fracture Views: 1,074 Downloads: 592 Vol. 14, No. 54 (2020) September 23, 2020 pp. 128-138

Finite element analysis of the behavior of bonded composite patches repair in aircraft structures

Islam El-Sagheer, Mai Taimour, Mariam Mobtasem, Amr Abd-Elhady, Hossam El-Din M. Sallam

This paper aims to analyze the multi-effects of the glass fiber reinforced polymer (GFRP) composite patch to repair the inclined cracked 2420-T3 aluminum plate. Three-dimensional finite element method (FEM) was used to study the effect of…

10.3221/IGF-ESIS.54.09

Details: Finite element analysis of the behavior of bonded composite patches repair in aircraft structures PDF Visual Abstract

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Reliability and Life Extension of Components Views: 924 Downloads: 568 Vol. 15, No. 56 (2021) March 28, 2021 pp. 115-122

Repair and rehabilitation of corroded HDPE100 pipe using a new hybrid composite

Abdelmalek Regad, Djebara Benzerga, Habib Berrekia, Abdelkader Haddi, Nourredine Chekhar

The good management of drinking water begins with a supply network, with a low rate of leakage. Currently, the pipes used in the water transport system are mainly made of polymeric materials, such as HDPE. The corrosion degradation of this…

10.3221/IGF-ESIS.56.09

Details: Repair and rehabilitation of corroded HDPE100 pipe using a new hybrid composite PDF Visual Abstract

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Miscellanea Views: 1,183 Downloads: 744 Vol. 10, No. 38 (2016) pp. Pages 339-350

Process of cracking in reinforced concrete beams (simulation and experiment)

I. N. Shardakov, A. P. Shestakov, I.O. Glot, A.A. Bykov

The paper presents the results of experimental and theoretical investigations of the mechanisms of crack formation in reinforced concrete beams subjected to quasi-static bending. The boundary-value problem has been formulated in the…

10.3221/IGF-ESIS.38.44

Details: Process of cracking in reinforced concrete beams (simulation and experiment) PDF

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Advanced Manufacturing and Processing Views: 1,146 Downloads: 912 Vol. 17, No. 64 (2023) March 21, 2023 pp. 229-239

Mechanical and Fracture Characterization of Epoxy/PLA/Graphene/SiO2 Composites

K. Dileep, A. Srinath, N.R. Banapurmath, M.A. Umarfarooq, A.M. Sajjan

This work investigated the effects of graphene and SiO₂ addition on the mechanical and fracture properties of epoxy (80%) - Polylactic acid (PLA) (20 %) composites. Epoxy-PLA composites were loaded with graphene and SiO₂ (0.1-0.5 wt. %…

10.3221/IGF-ESIS.64.15

Details: Mechanical and Fracture Characterization of Epoxy/PLA/Graphene/SiO2 Composites PDF Visual Abstract

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Advanced Manufacturing and Processing Views: 663 Downloads: 469 Vol. 14, No. 51 (2020) November 28, 2019 pp. 254-266

Numerical investigation of the effect of constrained groove pressing process on the mechanical properties of polyamide PA66

Mohammed Salah Bennouna, Sadek Kaddour, Benaoumeur Aour, Nadir Damba

This research is a numerical study of the effect of the constrained groove pressing (CGP) process and its impact on a thermoplastic polymer (polyamide PA 66). A simulation is performed using a finite element tool. The effect of the process…

10.3221/IGF-ESIS.51.20

Details: Numerical investigation of the effect of constrained groove pressing process on the mechanical properties of polyamide PA66 PDF Visual Abstract

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Integrity of materials and structures Views: 66 Downloads: 25 Vol. 20, No. 77 (2026) May 25, 2026 pp. 316-339

Parametric analysis of carbon nanofiber effects on mechanical properties and abrasion resistance of GF/PPS hybrid composites

Suresha B, Arun Y C, Ravishankar R, Pradeep Kumar V G, Tejas M R

The focus of this research was to investigate the effects of carbon nanofiber (CNF) reinforcement on the mechanical performance, interfacial characteristics, and abrasive wear behavior of short glass fiber/polyphenylene sulfide (GF/PPS)…

10.3221/IGF-ESIS.77.19

Details: Parametric analysis of carbon nanofiber effects on mechanical properties and abrasion resistance of GF/PPS hybrid composites PDF HTML Visual Abstract

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Damage mechanics Views: 414 Downloads: 259 Vol. 20, No. 75 (2026) November 1, 2025 pp. 220-237

Effect of the stress state on ultimate strain energy density in the failure of reinforced epoxy resin

Dmitry Vichuzhanin, Sergey Smirnov, Alexander Pestov, Viktoriya Osipova

Epoxy resin reinforced with 10% of TiO₂ and pure epoxy resin are taken to exemplify the possibility of constructing a fracture locus for engineering organic polymers as a dependence of ultimate strain energy density in cohesive failure on…

10.3221/IGF-ESIS.75.16

Details: Effect of the stress state on ultimate strain energy density in the failure of reinforced epoxy resin PDF HTML Visual Abstract

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Miscellanea Views: 1,198 Downloads: 607 Vol. 12, No. 46 (2018) September 27, 2018 pp. 319-331

Characterization of Isogrid Structure in GFRP

Costanzo Bellini, Luca Sorrentino

Lightening parts, maintaining also a high strength, is a request of the transport industry. Isogrid structures represent one of the best answer to face these issues, especially if composite materials are considered for their production.…

10.3221/IGF-ESIS.46.29

Details: Characterization of Isogrid Structure in GFRP PDF Visual Abstract

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Integrity of materials and structures Views: 475 Downloads: 423 Vol. 19, No. 72 (2025) March 26, 2025 pp. 263-279

Experimental and theoretical study of used GFRP I-profile composite columns

Ata El-Kariem Shoeib, Mohammed M. Salem, Alaa Gamal Sheriff, Mohammed Abdel-Rahman M. Khalil

Glass Fiber Reinforced Polymer (GFRP) is a promising alternative to steel due to its high strength, lightweight properties, corrosion resistance, and low maintenance requirements. This study examines the effect of internal GFRP I-sections…

10.3221/IGF-ESIS.72.19

Details: Experimental and theoretical study of used GFRP I-profile composite columns PDF HTML Visual Abstract

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Advanced Manufacturing and Processing Views: 800 Downloads: 586 Vol. 17, No. 66 (2023) September 27, 2023 pp. 220-232

Fractography and Tensile studies on the effect of different carbon fillers reinforced hybrid nanocomposites

Balachandra P. Shetty, G. J. Naveen

The use of elastomers has become increasingly important in a variety of industries, including automotive, medical, and food packaging. The adaptability of elastomers to different mechanical stresses has made them a popular choice for these…

10.3221/IGF-ESIS.66.14

Details: Fractography and Tensile studies on the effect of different carbon fillers reinforced hybrid nanocomposites PDF Visual Abstract

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Miscellanea Views: 1,095 Downloads: 507 Vol. 6, No. 22 (2012) September 30, 2012 pp. pages 39-55

A mechanical model for FRP-strengthened beams in bending

S. Bennati, N. Dardano, P. S. Valvo

We analyse the problem of a simply supported beam, strengthened with a fibre-reinforced polymer (FRP) strip bonded to its intrados and subjected to bending couples applied to its end sections. A mechanical model is proposed, whereby the…

10.3221/IGF-ESIS.22.06

Details: A mechanical model for FRP-strengthened beams in bending PDF

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Fractography and Advanced metallography Views: 751 Downloads: 599 Vol. 16, No. 61 (2022) June 19, 2022 pp. 140-153

Effects of residual stresses on interlaminar radial strength of Glass-Epoxy L-bend composite laminates

M.A. Umarfarooq, P. S. Shivakumar Gouda, K. N. Bharath, G. B. Veereshkumar, N. R. Banapurmath, Abhilash Edacherian

The built-in heterogeneity of the composite laminates has been exploited to tailor the stiffness and strength requirements of modern structures to meet the specific functional demands. However, the non-homogeneity in these composites is…

10.3221/IGF-ESIS.61.10

Details: Effects of residual stresses on interlaminar radial strength of Glass-Epoxy L-bend composite laminates PDF Visual Abstract

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SI: Portuguese contributions for Structural Integrity Views: 514 Downloads: 353 Vol. 13, No. 48 (2019) March 2, 2019 pp. 249-256

Effect of machining parameters on the mechanical properties of high dosage short –carbon- fiber reinforced composites

José António Martins Ferreira, Sergio Oliveira, Joel Silva, Carlos Capela

The machinability of polymer matrix composites with fibers strongly depends on the type of fiber and dosage in question, having a high influence on the selection of tools and cutting parameters. The cutting temperature depends of rotation…

10.3221/IGF-ESIS.48.26

Details: Effect of machining parameters on the mechanical properties of high dosage short –carbon- fiber reinforced composites PDF Visual Abstract

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Failure Analysis, Case Studies and Forensic Engineering Views: 1,202 Downloads: 656 Vol. 15, No. 56 (2021) March 28, 2021 pp. 123-136

Experimental and analytical investigations of reinforced concrete beams strengthened by different CFRP sheet schemes.

Mahmoud Madqour, Khaled Fawzy, Hilal Hassan

The use of bonded externally polymer reinforced fiber (FRP) Laminates has been introduced as an effective approach in rehabilitating (RC) structures due to their high strength, corrosion resistance, reduced weight, and ease of use. This…

10.3221/IGF-ESIS.56.10

Details: Experimental and analytical investigations of reinforced concrete beams strengthened by different CFRP sheet schemes. PDF VIsual Abstract

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SI: Fracture and Damage Detection in Masonry Structures Views: 594 Downloads: 546 Vol. 14, No. 51 (2020) October 17, 2019 pp. 9-23

NURBS-based kinematic limit analysis of FRP-reinforced masonry walls with out-of-plane loading

Andrea Chiozzi, Nicola Grillanda, Gabriele Milani, Antonio Tralli

A three-dimensional (3D) general upper-bound limit analysis procedure for the determination of the collapse load of out-of-plane loaded masonry walls with Fiber Reinforced Polymer (FRP) reinforcement strips is presented. The geometry of a…

10.3221/IGF-ESIS.51.02

Details: NURBS-based kinematic limit analysis of FRP-reinforced masonry walls with out-of-plane loading PDF Visual Abstract

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Integrity of materials and structures Views: 437 Downloads: 256 Vol. 20, No. 75 (2026) October 16, 2025 pp. 46-54

Experimental investigation of the influence of internal defects (voids, wrinkles) on the shear properties of CFRP

Stanislav Slovikov, Dmitriy Lobanov

The study focuses on examining the impact of internal manufacturing defects (voids and wrinkles) on the mechanical behavior of structural carbon fiber reinforced polymers (CFRP) under shear loading. Specimens of VKU/VSE1212 material with a…

10.3221/IGF-ESIS.75.05

Details: Experimental investigation of the influence of internal defects (voids, wrinkles) on the shear properties of CFRP PDF HTML Visual Abstract

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SI: Steels and Composites for Engineering Structures Views: 560 Downloads: 432 Vol. 15, No. 58 (2021) September 25, 2021 pp. 386-401

RC beams damaged by cracking and strengthened with NSM CFRP/GFRP rods

Roberto Capozucca, Erica Magagnini, Maria Vittoria Vecchietti, Samir Khatir

The near surface mounted (NSM) method of inserting fiber reinforced polymer (FRP) elements (rods or lamina) into notches has been shown to be a good way for restoring reinforced concrete (RC) elements. The knowledge about the use of…

10.3221/IGF-ESIS.58.28

Details: RC beams damaged by cracking and strengthened with NSM CFRP/GFRP rods PDF Visual Abstract

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Integrity of materials and structures Views: 489 Downloads: 317 Vol. 19, No. 72 (2025) March 12, 2025 pp. 193-210

Structural behavior of GFRP-concrete composite beams

Ata El-kareim Shoeib, Mohammed Abdel-Rahman M. Khalil, Alaa Gamal Sheriff, Mohammed Salem

Glass Fiber Reinforced Polymer (GFRP) I-sections offer a promising alternative to traditional steel reinforcement due to their reduced weight and maintenance requirements. This study aims to optimize the design of GFRP-reinforced composite…

10.3221/IGF-ESIS.72.14

Details: Structural behavior of GFRP-concrete composite beams PDF HTML Visual Abstract

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Analytical, Numerical and Physical Models Views: 959 Downloads: 740 Vol. 17, No. 66 (2023) September 27, 2023 pp. 191-206

Prediction of Mechanical Behavior of Epoxy Polymer Using Artificial Neural Networks (ANN) And response Surface Methodology (RSM)

Khalissa Saada, Salah Amroune, Moussa Zaoui

The aim of this study is to analyze the effect of different geometries and sections on the mechanical properties of epoxy specimens. Five tensile tests were carried out on three types of series. The experimental results obtained were…

10.3221/IGF-ESIS.66.12

Details: Prediction of Mechanical Behavior of Epoxy Polymer Using Artificial Neural Networks (ANN) And response Surface Methodology (RSM) PDF Visual Abstract

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Fatigue Views: 504 Downloads: 355 Vol. 14, No. 53 (2020) July 19, 2020 pp. 134-140

Physical Parameters of Polymer Composite Materials Created on the Basis of Low and High Molecular Weight Rubbers

E. Nurullaev, N. Y. Lyubimova, T. A. Gertsen

ABSTRACT. The theoretical foundations of the structural and mechanical behavior of filled three-dimensional cross-linked elastomers are supplemented. Numerical experiments are carried out, based on the data of numerical experiments, three…

10.3221/IGF-ESIS.53.11

Details: Physical Parameters of Polymer Composite Materials Created on the Basis of Low and High Molecular Weight Rubbers PDF Visual Abstract

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SI: Modeling in Structural Integrity Views: 371 Downloads: 330 Vol. 19, No. 74 (2025) September 4, 2025 pp. 206-216

Implementation of interface damage model with friction to concrete-FRP shear connector

Eva Kormaníková, Roman Vodička, Daniel Dubecký, Michala Weissová

The study investigates the application of fibre-reinforced polymer (FRP) composites in constructions of bridges. It highlights the main advantages of using FRP as a building material and points out its suitability for various structural…

10.3221/IGF-ESIS.74.14

Details: Implementation of interface damage model with friction to concrete-FRP shear connector PDF HTML Visual Abstract

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Fractography and Advanced metallography Views: 1,072 Downloads: 913 Vol. 16, No. 61 (2022) June 19, 2022 pp. 338-351

Evaluation of Tensile properties of FRP Composite Laminates under Varying Strain Rates and Temperatures

Prahlad Joshi, Sk Panigrahi

The present investigation deals with the characterization of tensile behavior of various Fiber Reinforced Polymer composites under Thermo-Mechanical loading. Five different types of Uni-Directional (UD) composites of Carbon, Glass…

10.3221/IGF-ESIS.61.23

Details: Evaluation of Tensile properties of FRP Composite Laminates under Varying Strain Rates and Temperatures PDF Visual Abstract

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