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SI: Russian mechanics contributions for Structural Integrity Views: 64 Downloads: 22 Vol. 20, No. 77 (2026) May 21, 2026 pp. 281-297

Effect of ultrasonic welding conditions and energy director thickness on structure and properties of lap-joints of PEEK-based composites reinforced with short carbon fibers

Sergey Panin, Vladislav Alexenko, Alexey Zelenkov, Dmitry Buslovich, Lyudmila Kornienko, Shaowei Lu

The aim of this study was to investigate the effect of thickness of energy director (EDs) and ultrasonic welding (USW) process parameters on structure formation and interlaminar shear strength (LSS) values of lap-joints of composite…

10.3221/IGF-ESIS.77.17Copy the DOI link

Details: Effect of ultrasonic welding conditions and energy director thickness on structure and properties of lap-joints of PEEK-based composites reinforced with short carbon fibers PDF HTML Visual Abstract

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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.74.13Copy the DOI link

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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SI: Russian mechanics contributions for Structural Integrity Views: 733 Downloads: 654 Vol. 17, No. 66 (2023) September 27, 2023 pp. 152-163

Estimating degradation of strength of neat PEEK and PEEK-CF laminates under cyclic loading by mechanical hysteresis loops

Alexey Bogdanov, Alexander Eremin, Mikhail Burkov, Sergey Panin, Pavel Lyubutin

A method for assessing the degradation of mechanical properties of neat polyetheretherketone and its laminated composite reinforced with unidirectional carbon fibers is proposed. It is based on the calculation of the maximum and minimum…

10.3221/IGF-ESIS.66.09Copy the DOI link

Details: Estimating degradation of strength of neat PEEK and PEEK-CF laminates under cyclic loading by mechanical hysteresis loops PDF Visual Abstract

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Miscellanea Views: 785 Downloads: 413 Vol. 9, No. 31 (2015) December 17, 2014 pp. pages 120-126

Dependence of the mechanical fracture energy of the polymeric composite material from the mixture of filler fractions

E. M. Nurullaev, A. S. Ermilov

This paper for the first time presents an equation for calculating the mechanical fracture energy of the polymeric composite material (PCM) with regard to the basic formulation parameters. By means of the developed computer program the…

10.3221/IGF-ESIS.31.09Copy the DOI link

Details: Dependence of the mechanical fracture energy of the polymeric composite material from the mixture of filler fractions PDF

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Miscellanea Views: 848 Downloads: 487 Vol. 11, No. 41 (2017) June 28, 2017 pp. Pages 369-377

Dependence of mechanical characteristics from composition and structure and optimization of mechanical fracture energy of polymer composite material based on high-molecular rubbers

E. Nurullaev, A. S. Ermilov, N. Yu. Lyubimova

By means of numerical experiment the authors investigate dependence of conventional rupturing stress and mechanical fracture energy at uniaxial tension from fractional composition of dispersed filler, plasticizer volume fraction in polymer…

10.3221/IGF-ESIS.41.48Copy the DOI link

Details: Dependence of mechanical characteristics from composition and structure and optimization of mechanical fracture energy of polymer composite material based on high-molecular rubbers PDF

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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.56.09Copy the DOI link

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

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Analytical, computational and physical models Views: 595 Downloads: 261 Vol. 19, No. 73 (2025) May 11, 2025 pp. 88-107

A study on the crack presence effect on dynamical behavior of higher-order Quasi-3D composite steel-polymer concrete box section beams via DQFEM

Nassim Laouche, Ahmed Saimi, Ismail Bensaid, Mouloud Dahmane, Hassen Ait Atmane

This paper presents a dynamic and critical buckling analysis of the presence of a crack of steel-polymer concrete composite beams modelled using a refined quasi 3D beam theory. The beam model is a hollow steel box section filled with a…

10.3221/IGF-ESIS.73.07Copy the DOI link

Details: A study on the crack presence effect on dynamical behavior of higher-order Quasi-3D composite steel-polymer concrete box section beams via DQFEM 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.67.22Copy the DOI link

Details: Longitudinal elastic nonlinearity of composite material PDF 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.49.19Copy the DOI link

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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Structural Integrity and Safety: Experimental and Numerical Perspectives Views: 756 Downloads: 598 Vol. 17, No. 66 (2023) September 27, 2023 pp. 311-321

Nonlinearity of mechanical behavior of 3D-reinforced composites under compression

Stanislav Slovikov, Andrey Babushkin, Maria Gusina

Modern technological capabilities make it possible to produce 3D spatially-reinforced for polymer composite materials. The tasks of experimental research and analysis of the deformation process of new composite materials for aviation…

10.3221/IGF-ESIS.66.19Copy the DOI link

Details: Nonlinearity of mechanical behavior of 3D-reinforced composites under compression PDF Visual Abstract

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Fatigue and Fracture of non metallic materials Views: 839 Downloads: 909 Vol. 18, No. 68 (2024) February 15, 2024 pp. 94-108

Uniaxial fatigue study of a natural-based bio-composite material reinforced with fique natural fibers

Maria C. Chaves, Dayal Castro, Alberto David Pertuz Comas

This research addresses environmental concerns by exploring environmentally friendly composite materials as substitutes for non-biodegradable synthetic fibers. The study proposes the development of polymer matrix composites reinforced with…

10.3221/IGF-ESIS.68.06Copy the DOI link

Details: Uniaxial fatigue study of a natural-based bio-composite material reinforced with fique natural fibers PDF Visual Abstract

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SI: Russian mechanics contributions for Structural Integrity Views: 710 Downloads: 382 Vol. 19, No. 74 (2025) September 9, 2025 pp. 321-341

Dynamic damage analysis of carbon fiber reinforced polymer composite pressure vessels

Kamal M. Hammad, Iuliia A. Sadykova, Eugene N. Prokopev, Galina V. Tyurina, Semen D. Ignatyev, Eugene S. Statnik

This study investigates spall damage and failure in Carbon Fiber-Reinforced Polymer (CFRP) pressure vessels under explosive internal loading using stimulated electric discharge. Analytical modeling, validation with published experimental…

10.3221/IGF-ESIS.74.20Copy the DOI link

Details: Dynamic damage analysis of carbon fiber reinforced polymer composite pressure vessels PDF HTML Visual Abstract

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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.61.10Copy the DOI link

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

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Fracture Views: 1,208 Downloads: 800 Vol. 16, No. 62 (2022) September 22, 2022 pp. 240-260

Influence of hBN and MoS2 fillers on toughness and thermal stability of carbon fabric-epoxy composites

Mr. Yermal Shriraj Rao, Dr. B. Shivamurthy, Dr. Nanjangud Subbarao Mohan, Dr. Nagaraja Shetty

Hexagonal boron nitride (hBN) and molybdenum disulfide (MoS₂) fillers of 2 to 8 wt.% influence on toughness, microhardness and thermal stability of carbon fabric-reinforced epoxy composite (CFREC) reported. Mode-I, mixed-mode I/II…

10.3221/IGF-ESIS.62.17Copy the DOI link

Details: Influence of hBN and MoS2 fillers on toughness and thermal stability of carbon fabric-epoxy composites PDF 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.61.23Copy the DOI link

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

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SI: Modeling in Structural Integrity Views: 692 Downloads: 354 Vol. 19, No. 71 (2025) October 31, 2024 pp. 182-192

Numerical study of delamination process of the CFRP composite

Eva Kormaníková, Kamila Kotrasova

A quasi-static approach for an interface damage model, incorporating Rayleigh damping for viscoelastic carbon fiber reinforced polymer composites, is introduced. The interface traction-relative displacement behavior is modeled using a thin…

10.3221/IGF-ESIS.71.13Copy the DOI link

Details: Numerical study of delamination process of the CFRP composite PDF HTML Visual Abstract

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Miscellanea Views: 1,086 Downloads: 806 Vol. 8, No. 30 (2014) September 8, 2014 pp. pages 317-326

Mechanical behavior of a sandwich with corrugated GRP core: numerical modeling and experimental validation

D. Tumino, T. Ingrassia, V. Nigrelli, G. Pitarresi, V. Urso Miano

In this work the mechanical behaviour of a core reinforced composite sandwich structure is studied. The sandwich employs a Glass Reinforced Polymer (GRP) orthotropic material for both the two external skins and the inner core web. In…

10.3221/IGF-ESIS.30.39Copy the DOI link

Details: Mechanical behavior of a sandwich with corrugated GRP core: numerical modeling and experimental validation PDF

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Fractography and Advanced metallography Views: 1,073 Downloads: 678 Vol. 17, No. 64 (2023) March 21, 2023 pp. 93-103

Mechanical and Fractured surface characterization of epoxy/red mud/fly ash/ aluminium powder filled hybrid composites for automotive applications

K. C. Anil, A.B. Hemavathi, A. Adeebpasha

In recent decades, one can observe a great increase in the replacement of traditional materials with polymer composites in high-strength and lightweight applications. High fuel consumption by automobile and aerospace vehicles built from…

10.3221/IGF-ESIS.64.06Copy the DOI link

Details: Mechanical and Fractured surface characterization of epoxy/red mud/fly ash/ aluminium powder filled hybrid composites for automotive applications 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.74.14Copy the DOI link

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

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Integrity of materials and structures Views: 713 Downloads: 337 Vol. 18, No. 69 (2024) April 17, 2024 pp. 29-42

Optimization of clamshell content for improved properties in bamboo-epoxy composites

Anand K J, Thippeswamy Ekbote

The present study aims to develop a novel hybrid composite by incorporating clamshell as a secondary reinforcing filler into a bamboo-epoxy composite. The primary objective of this hybridization is to optimize the synergistic benefits of…

10.3221/IGF-ESIS.69.03Copy the DOI link

Details: Optimization of clamshell content for improved properties in bamboo-epoxy composites PDF Visual Abstract

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SI: Developments in the fracture and fatigue assessment of materials Views: 1,334 Downloads: 1,102 Vol. 12, No. 46 (2018) September 23, 2018 pp. 150-157

Fatigue Behaviour and Mean Stress Effect of Thermoplastic Polymers and Composites

Zongjin Lu, Bill Feng, Charlie Loh

More and more polymers and polymer composite materials are used in automotive industry to reduce cost and weight of vehicles to meet the environmental requirement. However, the fatigue behaviour for these materials is less understanding…

10.3221/IGF-ESIS.46.15Copy the DOI link

Details: Fatigue Behaviour and Mean Stress Effect of Thermoplastic Polymers and Composites PDF 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.49.39Copy the DOI link

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

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Integrity of materials and structures Views: 890 Downloads: 339 Vol. 19, No. 72 (2025) January 9, 2025 pp. 34-45

Improved flexural behaviour of reinforced concrete beam strengthened using stainless steel wire mesh

Shail Shah, Parth Raithatha, Sunil Raiyani

The paper presents an experimental investigation of the flexural behaviour of reinforced concrete (RC) beam elements strengthened externally with stainless steel wire mesh (SSWM). SSWM has the potential to be an alternative composite…

10.3221/IGF-ESIS.72.04Copy the DOI link

Details: Improved flexural behaviour of reinforced concrete beam strengthened using stainless steel wire mesh PDF HTML 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.55.07Copy the DOI link

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

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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.71.03Copy the DOI link

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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