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Integrity of materials and structures Views: 237 Downloads: 137 Vol. 20, No. 77 (2026) April 25, 2026 pp. 173-206

Mechanical characterization and crack propagation in Additively Manufactured Polymers using Digital Image Correlation: a review

Taoufik Hachimi, Najat Zekriti, Fouad Ait Hmazi, Hamza Bagar, Hatim El Assad, Nassima Naboulsi

While Additive Manufacturing (AM) of polymers has matured from rapid prototyping to functional production, the layer-wise fabrication process introduces significant mechanical anisotropy and microstructural heterogeneity, which complicates…

10.3221/IGF-ESIS.77.11

Details: Mechanical characterization and crack propagation in Additively Manufactured Polymers using Digital Image Correlation: a review PDF HTML Visual Abstract

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Miscellanea Views: 1,225 Downloads: 516 Vol. 9, No. 33 (2015) June 19, 2015 pp. pages 191-198

Experimental evaluation of plasticity-induced crack shielding from crack tip displacements fields

J.M. Vasco-Olmo, F.A. Díaz

In this work it is proposed a methodology for the evaluation of plasticity-induced crack shielding from the analysis of the crack tip displacements fields measured by digital image correlation. This methodology is based on the evaluation…

10.3221/IGF-ESIS.33.24

Details: Experimental evaluation of plasticity-induced crack shielding from crack tip displacements fields PDF

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Miscellanea Views: 1,307 Downloads: 591 Vol. 8, No. 30 (2014) September 10, 2014 pp. pages 167-173

Stress induced martensite at the crack tip in NiTi alloys during fatigue loading

E. Sgambitterra, L. Bruno, C. Maletta

Crack tip stress-induced phase transformation mechanisms in nickel-titanium alloys (NiTi) were analyzed by Digital Image Correlation (DIC), under fatigue loads. In particular, Single Edge Crack (SEC) specimens, obtained from a commercial…

10.3221/IGF-ESIS.30.22

Details: Stress induced martensite at the crack tip in NiTi alloys during fatigue loading PDF

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Integrity of materials and structures Views: 546 Downloads: 267 Vol. 20, No. 75 (2026) November 1, 2025 pp. 238-249

Experimental field analysis of damage-failure transition in composite material with a stress concentrator under cyclic loading (application of DIC and X-ray tomography techniques)

Mikhail Bannikov, Yuriy Bayandin, Aleksandr Nikityuk, Sergey Uvarov, Oleg Naimark

Predicting the failure of carbon fiber composites remains a challenge due to the complex evolution of damage, where the collective behavior of defects like pores and microcracks dictates material strength. The objective of this work is to…

10.3221/IGF-ESIS.75.17

Details: Experimental field analysis of damage-failure transition in composite material with a stress concentrator under cyclic loading (application of DIC and X-ray tomography techniques) PDF HTML Visual Abstract

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Miscellanea Views: 847 Downloads: 557 Vol. 8, No. 30 (2014) September 10, 2014 pp. pages 552-557

Identification of the plastic zone using digital image correlation

M. Rossi, M. Sasso, G. Chiappini, E. Mancini, D. Amodio

In this paper Digital Image Correlation (DIC) is used to study the evolution of the plastic zone close to a crack tip. A modified CT-specimen was used in order to fulfill the plane stress condition. The strain field around the crack tip…

10.3221/IGF-ESIS.30.66

Details: Identification of the plastic zone using digital image correlation PDF

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Miscellanea Views: 1,376 Downloads: 605 Vol. 9, No. 33 (2015) June 19, 2015 pp. pages 151-158

2D mapping of plane stress crack-tip fields following an overload

P. J. Withers, P. Lopez-Crespo, M. Mostafavi, A. Steuwer, J. F. Kelleher, T. Buslaps

The evolution of crack-tip strain fields in a thin (plane stress) compact tension sample following an overload (OL) event has been studied using two different experimental techniques. Surface behaviour has been characterised by Digital…

10.3221/IGF-ESIS.33.19

Details: 2D mapping of plane stress crack-tip fields following an overload PDF

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Miscellanea Views: 1,095 Downloads: 617 Vol. 8, No. 30 (2014) September 8, 2014 pp. pages 369-374

Application of Digital Image Correlation (DIC) in resonance machines for measuring fatigue crack growth

P. Lorenzino, G. Beretta, A. Navarro

This paper presents a simple experimental procedure that greatly facilitates the use of digital image correlation (DIC) techniques in fatigue test conducted in resonant testing machines, without the need of test interruptions. This is…

10.3221/IGF-ESIS.30.44

Details: Application of Digital Image Correlation (DIC) in resonance machines for measuring fatigue crack growth PDF

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Miscellanea Views: 1,407 Downloads: 684 Vol. 9, No. 33 (2015) June 19, 2015 pp. pages 143-150

Some experimental observations of crack-tip mechanics with displacement data

M. Mokhtari, P. Lopez-Crespo, B. Moreno, M. Zanganeh

In the past two decades, crack-tip mechanics has been increasingly studied with full-field techniques. Within these techniques, Digital Image Correlation (DIC) has been most widely used due to its many advantages, to extract important…

10.3221/IGF-ESIS.33.18

Details: Some experimental observations of crack-tip mechanics with displacement data PDF

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Miscellanea Views: 1,512 Downloads: 520 Vol. 9, No. 33 (2015) June 19, 2015 pp. pages 67-72

Near tip strain evolution of a growing fatigue crack

M.-L. Zhu, Y.-W. Lu, C. Lupton, J. Tong

Near tip full-field strains in a growing fatigue crack have been studied in situ using the Digital Image Correlation (DIC) technique in a compact tension specimen of stainless steel 316L under tension-tension cyclic loading. An error…

10.3221/IGF-ESIS.33.09

Details: Near tip strain evolution of a growing fatigue crack PDF

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Miscellanea Views: 1,261 Downloads: 685 Vol. 11, No. 41 (2017) June 28, 2017 pp. Pages 269-276

Stress Intensity Factor calculation from displacement fields

S. Beretta, L. Patriarca, S. Rabbolini

In the last two decades, visual image techniques such as Digital Image Correlation (DIC) enabled to experimentally determine the crack tip displacement and strain fields at small scales. The displacements are tracked during loading, and…

10.3221/IGF-ESIS.41.36

Details: Stress Intensity Factor calculation from displacement fields PDF

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SI: Structural Integrity and fatigue mechanisms: applications and recent trends Views: 1,651 Downloads: 1,051 Vol. 17, No. 63 (2023) December 21, 2022 pp. 61-71

Improvement of crack tip position estimation in DIC images by image processing methods

Najat Zekriti, Fatima Majid, Hachimi Taoufik, Yassine Tounsi, Rajaa Rhanim, Ibrahim Mrani, Hassan Rhanim

The study presents and compares an application of two procedures to identify the crack tip location in PVC Sent samples under a uniaxial tensile test based on the image processing method. An IDS camera captures several photos of the PVC…

10.3221/IGF-ESIS.63.06

Details: Improvement of crack tip position estimation in DIC images by image processing methods PDF Visual Abstract

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Miscellanea Views: 1,256 Downloads: 463 Vol. 7, No. 25 (2013) April 11, 2013 pp. Pages 145-152

High magnification crack-tip field characterisation under biaxial conditions

B. Moreno, P. Lopez-Crespo, J. Zapatero

This work presents a novel methodology for characterising fatigue cracks under biaxial conditions. The methodology uses high magnification Digital Image Correlation (DIC) technique for measuring displacement and strain crack-tip fields. By…

10.3221/IGF-ESIS.25.21

Details: High magnification crack-tip field characterisation under biaxial conditions PDF

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Damage mechanics Views: 778 Downloads: 527 Vol. 19, No. 73 (2025) April 13, 2025 pp. 41-58

Experimental investigation on mechanical behavior of sandwich structures using Digital Image Correlation (DIC)

Amina Masmoudi, Abdelhak Khechai, Ahmed Bouaziz, Guerira Belhi, Afaf Zeroual, Yassine Adimi

The aim of this work is to investigate the mechanical behavior of sandwich structures when subjected to edgewise and flatwise compression loadings, using 2D Digital Image Correlation (DIC). These structures are made of Glass Fiber…

10.3221/IGF-ESIS.73.04

Details: Experimental investigation on mechanical behavior of sandwich structures using Digital Image Correlation (DIC) PDF HTML Visual Abstract

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Miscellanea Views: 1,026 Downloads: 446 Vol. 7, No. 25 (2013) April 11, 2013 pp. Pages 44-49

Near tip strain evolution under cyclic loading

J. Tong, Y.-W. Lu, B. Lin, Y. H. Tai, J.R. Yates

The concept of ratchetting strain as a crack driving force in controlling crack growth has previously been explored at Portsmouth using numerical approaches for nickel-based superalloys. In this paper, we report the first experimental…

10.3221/IGF-ESIS.25.07

Details: Near tip strain evolution under cyclic loading PDF

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Damage mechanics Views: 552 Downloads: 439 Vol. 19, No. 72 (2025) January 26, 2025 pp. 62-79

Study of the forming limit of 6063 aluminum alloy perforated sheet under in-plane and out-of-plane stretching conditions

Houssem Lakache, Abdelghani May, Mohand Ould Ouali, Abdelghani Mokdad, Lahouari Benabou

The current investigation deals with the forming process of Perforated Sheet Metal (PSM) process. The goal of the work is to determine by experimental and numerical methods the Forming Limit Diagrams (FLDs) of an Al-Mg-Si aluminum alloy.…

10.3221/IGF-ESIS.72.06

Details: Study of the forming limit of 6063 aluminum alloy perforated sheet under in-plane and out-of-plane stretching conditions PDF HTML Visual Abstract

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Miscellanea Views: 694 Downloads: 499 Vol. 8, No. 28 (2014) March 31, 2014 pp. pages 42-50

Experimental measurement and model validation of COD in pipe under bending with off-centered circumferential crack

D. Gentile, G. Iannitti, N. Bonora

The leak area of circumferential through-thickness crack in pipe under bending depends on the position of the crack with respect to the bending plane. In leak-before-break (LBB) analysis, the assumption that the crack is symmetrically…

10.3221/IGF-ESIS.28.05

Details: Experimental measurement and model validation of COD in pipe under bending with off-centered circumferential crack PDF

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SI: Characterisation of Crack Tip Fields Views: 1,747 Downloads: 1,088 Vol. 13, No. 49 (2019) May 21, 2019 pp. 12-25

Determination of Stress Intensity Factors and J integral based on Digital Image Correlation

Eric Breitbarth, Tobias Strohmann, Michael Besel, Stefan Reh

Digital image correlation (DIC) is a technique in experimental mechanics to acquire full-field measurement data of displacements and deformations from the surface of specimens or components. Especially for the investigations of cracks it…

10.3221/IGF-ESIS.49.02

Details: Determination of Stress Intensity Factors and J integral based on Digital Image Correlation PDF Visual Abstract

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Miscellanea Views: 1,195 Downloads: 484 Vol. 9, No. 31 (2015) December 17, 2014 pp. pages 13-22

Determining mode I cohesive law of Pinus pinaster by coupling double cantilever beam test with digital image correlation

J. Xavier, M. Oliveira, J.J.L. Morais, M.F.S.F. de Moura

The direct identification of the cohesive law in pure mode I of Pinus pinaster is addressed. The approach couples the double cantilever beam (DCB) test with digital image correlation (DIC). Wooden beam specimens loaded in the…

10.3221/IGF-ESIS.31.02

Details: Determining mode I cohesive law of Pinus pinaster by coupling double cantilever beam test with digital image correlation PDF

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SI: IGF25 – International Conference 2019 Views: 1,361 Downloads: 1,275 Vol. 14, No. 51 (2020) December 14, 2019 pp. 541-551

Analysis of Printed Circuit Boards strains using finite element analysis and digital image correlation

Liviu Marsavina, Alexandru Falk, Octavian Pop

This paper investigates the use of digital image correlation (DIC) and finite element analysis for strain measurement on Printed Board Circuits (PCBs). Circuit boards (PCBs) are designed to mechanically support and electrically connect an…

10.3221/IGF-ESIS.51.41

Details: Analysis of Printed Circuit Boards strains using finite element analysis and digital image correlation PDF Visual Abstract

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SI: Russian mechanics contributions for Structural Integrity Views: 270 Downloads: 163 Vol. 20, No. 77 (2026) April 3, 2026 pp. 1-12

Multimodal residual stress evaluation following one-sided dimpling in a Ti-6Al-4V alloy plate

Igor Zorin, Vladimir Pisarev, Svyatoslav Eleonsky, Aleksandr Elkin, Galina Tyurina, Eugene Statnik, Alexey Salimon, Alexander Korsunsky

Residual stress significantly influences the mechanical performance, fatigue resistance, and structural reliability of titanium alloys used in engineering applications. This study investigates the residual stress distribution induced by…

10.3221/IGF-ESIS.77.01

Details: Multimodal residual stress evaluation following one-sided dimpling in a Ti-6Al-4V alloy plate PDF HTML Visual Abstract

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Miscellanea Views: 1,257 Downloads: 835 Vol. 11, No. 41 (2017) June 28, 2017 pp. Pages 166-174

Experimental methodology for the quantification of crack tip plastic zone and shape from the analysis of displacement fields

J.M. Vasco-Olmo, F.A. Diaz, M.N. James, C.J. Christopher, E.A. Patterson

The current work presents a novel methodology for the experimental quantification of the crack tip plastic zone during fatigue crack growth. This methodology is based on the application of yield criteria to estimate the area and the shape…

10.3221/IGF-ESIS.41.23

Details: Experimental methodology for the quantification of crack tip plastic zone and shape from the analysis of displacement fields PDF

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Miscellanea Views: 1,048 Downloads: 668 Vol. 10, No. 35 (2016) December 29, 2015 pp. pages 161-171

New experimental techniques for fracture testing of highly deformable materials

E. Dall’Asta, V. Ghizzardi, R. Brighenti, E. Romeo, R. Roncella, A. Spagnoli

A new experimental method for measuring strain fields in highly deformable materials has been developed. This technique is based on an in-house developed Digital Image Correlation (DIC) system capable of accurately capturing localized or…

10.3221/IGF-ESIS.35.19

Details: New experimental techniques for fracture testing of highly deformable materials PDF

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SI: Additive Manufacturing Views: 757 Downloads: 560 Vol. 14, No. 51 (2020) December 13, 2019 pp. 534-540

Local scale fracture characterization of an advanced structured material manufactured by fused deposition modeling in 3D printing.

Joseph Marae Djouda, Donato Gallittelli, Marouene Zouaoui, Ali Makke, Julien Gardan, Naman Recho, Jérôme Crépin

Additive manufacturing (AM) is a promising way to produce complex structures by adding layers. It arises great interest both in industrial and academic sectors to develop new advanced structured material. To benefit from its advantages, it…

10.3221/IGF-ESIS.51.40

Details: Local scale fracture characterization of an advanced structured material manufactured by fused deposition modeling in 3D printing. 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: Characterisation of Crack Tip Fields Views: 846 Downloads: 621 Vol. 13, No. 50 (2019) September 19, 2019

Experimental characterisation of fatigue crack growth based on the CTOD measured from crack tip displacement fields using DIC

José Manuel Vasco Olmo, F.A. Díaz, F.V. Antunes, M.N. James

The current work presents an experimental study on the use of the crack tip opening displacement (CTOD) to evaluate its ability to characterise fatigue crack growth. A methodology is developed to measure and to analyse the CTOD from…

10.3221/IGF-ESIS.50.56

Details: Experimental characterisation of fatigue crack growth based on the CTOD measured from crack tip displacement fields using DIC PDF Visual Abstract

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SI: Crack Paths - CP2024 Views: 598 Downloads: 790 Vol. 19, No. 72 (2025) March 23, 2025 pp. 236-246

Effect of fracture energy estimation on the predictions of mode II behavior of bonded joints using cohesive zone models

Michele Perrella, Enrico Armentani, Giuseppe Lamanna, Valentino Paolo Berardi

Fracture behavior of adhesive joints is an important topic in structural design of new structural elements or in retrofitting of existing ones. The mechanical models available in literature capable of predicting the failure mode of these…

10.3221/IGF-ESIS.72.17

Details: Effect of fracture energy estimation on the predictions of mode II behavior of bonded joints using cohesive zone models PDF HTML Visual Abstract

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Miscellanea Views: 1,010 Downloads: 400 Vol. 12, No. 43 (2018) December 29, 2017 pp. Pages 171-181

Fatigue assessment of Ti-6Al-4V titanium alloy laser welded joints in absence of filler material by means of full-field techniques

Pasqualino Corigliano, Vincenzo Crupi, Eugenio Guglielmino, Carmine Maletta, Emanuele Sgambitterra, Giuseppe Barbieri, Fabrizia Caiazzo

The aim of this research activity was to study the fatigue behavior of laser welded joints of titanium alloy, in which the welding was performed using a laser source and in the absence of filler material, by means of unconventional full…

10.3221/IGF-ESIS.43.13

Details: Fatigue assessment of Ti-6Al-4V titanium alloy laser welded joints in absence of filler material by means of full-field techniques PDF

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SI: Characterisation of Crack Tip Fields Views: 906 Downloads: 512 Vol. 13, No. 49 (2019) June 25, 2019 pp. 97-106

Approximation of the crack-tip field in fatigue cracks in bridge steel specimens: DIC analysis of different constraint levels

Stanislav Seitl, Petr Miarka, Vladimir Ruzicka, Lucie Malikova, Alejandro Cruces, Pablo Lopez Crespo

A study on the accuracy of the approximation of the displacement field around of crack tip in a sample made from bridge steel (S355) is main objective of contribution. Linear elastic fracture mechanics (LEFM) theory in framework of…

10.3221/IGF-ESIS.49.10

Details: Approximation of the crack-tip field in fatigue cracks in bridge steel specimens: DIC analysis of different constraint levels PDF Visual Abstract

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Miscellanea Views: 848 Downloads: 520 Vol. 11, No. 41 (2017) June 28, 2017 pp. Pages 277-284

Study of strain localizations in a polycrystalline medium in presence of a quasi-static crack

L. Patriarca, P.G. Luccarelli, S. Foletti

Numerical techniques have been widely applied in many recent works to investigate micro-scale behavior of materials. This work focuses on the analysis of strain localizations in a Nickel-based alloy, Haynes 230. Numerical models and…

10.3221/IGF-ESIS.41.37

Details: Study of strain localizations in a polycrystalline medium in presence of a quasi-static crack 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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Miscellanea Views: 1,280 Downloads: 528 Vol. 9, No. 33 (2015) June 19, 2015 pp. pages 1-7

Measurement and analysis of fatigue crack deformation on the macro- and micro-scale

D. Nowell, S.J. O’Connor, K.I. Dragnevski

The paper describes an experiment which performs in-situ loading of a small compact tension specimen in a scanning electron microscope. Images are collected throughout a number of successive loadincg cycles. These are then analysed using…

10.3221/IGF-ESIS.33.01

Details: Measurement and analysis of fatigue crack deformation on the macro- and micro-scale PDF

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Miscellanea Views: 1,308 Downloads: 544 Vol. 11, No. 41 (2017) June 28, 2017 pp. Pages 227-235

On DIC measurements of DeltaKeff to verify if it is the FCG driving force

Julián Andrés Ortiz González, Jaime Tupiassú Pinho de Castro, Giancarlo Luis Gomez Gonzáles, Marco Antonio Meggiolaro, José Luiz de França Freire

Redundant data obtained under quasi-constant {DeltaK, Kmax} loading conditions is used to verify if the effective stress intensity factor (SIF) range DeltaKeff DeltaKmax DeltaKop is indeed the fatigue crack driving force. The crack opening…

10.3221/IGF-ESIS.41.31

Details: On DIC measurements of DeltaKeff to verify if it is the FCG driving force PDF

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Structural Integrity and Durability of Structures Views: 715 Downloads: 585 Vol. 16, No. 60 (2022) March 25, 2022 pp. 488-503

PVC failure modelling through experimental and digital image correlation measurements

Najat Zekriti, Fatima Majid, Rajae Rhanim, Ibrahim Mrani, Hassan Rhanim

This paper analyses industrial PVC sheets structural integrity assessment widely used for different ranges of industrial applications. We investigated combined approaches focused on fracture toughness assessment to predict PVC mechanical…

10.3221/IGF-ESIS.60.33

Details: PVC failure modelling through experimental and digital image correlation measurements PDF Visual Abstract

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Miscellanea Views: 577 Downloads: 443 Vol. 13, No. 48 (2019) February 27, 2019 pp. 222-229

Cohesive fracture in composite systems: experimental setup and first results

Valentino Paolo Berardi, Michele Perrella, Gabriele Cricrì

Composite systems are widely used in many engineering applications for new structures and strengthening of existing ones. Within the structural rehabilitation of civil constructions, the plating technique of beams with Fiber Reinforced…

10.3221/IGF-ESIS.48.23

Details: Cohesive fracture in composite systems: experimental setup and first results PDF Visual Abstract

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Fatigue and Fracture of metallic alloys Views: 623 Downloads: 420 Vol. 20, No. 75 (2026) October 24, 2025 pp. 167-178

Fatigue experimental characterisation of brazed joints in aluminium microchannel heat exchangers

Federico Milan, Sandro Ortolano, Gian Luca Gori, Denis Benasciutti, Enrico Salvati

Brazing is a widely employed joining technique for aluminium components due to its cost-effectiveness and compatibility with complex geometries. However, the structural integrity of brazed joints under cyclic loading remains a scarcely…

10.3221/IGF-ESIS.75.12

Details: Fatigue experimental characterisation of brazed joints in aluminium microchannel heat exchangers PDF HTML 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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Miscellanea Views: 1,028 Downloads: 525 Vol. 11, No. 42 (2017) September 29, 2017 pp. Pages 328-336

Failure analysis of thin metal foils

G. Bolzon, M. Shahmardani, R. Liu, E. Zappa

The mechanical response and the failure mode of thin metal foils under tensile load has been analyzed supplementing the usual test records with full-field measurements performed by three-dimensional digital image correlation (3D DIC)…

10.3221/IGF-ESIS.42.34

Details: Failure analysis of thin metal foils PDF

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SI: Crack Paths Views: 657 Downloads: 520 Vol. 13, No. 48 (2019) February 25, 2019 pp. 97-104

Experimental characterization of fiber-reinforced cementitious mortar under tension

Patrizia Bernardi, Roberto Cerioni, Daniele Ferretti, Filippo Leurini, Elena Michelini

This work focuses on the mechanical characterization of the inorganic matrix used for Fiber-Reinforced Cementitious Matrix (FRCM) composites, nowadays widely used to retrofit existing reinforced concrete and masonry structures. While…

10.3221/IGF-ESIS.48.12

Details: Experimental characterization of fiber-reinforced cementitious mortar under tension PDF Visual Abstract

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Fracture Views: 1,049 Downloads: 571 Vol. 15, No. 57 (2021) June 22, 2021 pp. 300-320

Inverse problems with the digital image correlation: approach and applications

Emanuele Sgambitterra, Fabrizio Niccoli

A viable approach to solve inverse problems in elasticity is proposed. It is based on regression algorithms to estimate materials and/or loading parameters by fitting the experimentally-evaluated displacement field to representative…

10.3221/IGF-ESIS.57.22

Details: Inverse problems with the digital image correlation: approach and applications PDF Visual Abstract

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Fatigue and Fracture of non metallic materials Views: 894 Downloads: 451 Vol. 18, No. 69 (2024) April 13, 2024 pp. 1-17

About Measuring the Stress Intensity Factor of Cracks in Curved, Brittle Shells

Siwen Cao, Andras A. Sipos

Most techniques of measuring the stress intensity factor (SIF) in the cracking process assume a crack in a planar medium. Currently, there is no effective approach for curved brittle shells, particularly for non-developable cases, i.e.…

10.3221/IGF-ESIS.69.01

Details: About Measuring the Stress Intensity Factor of Cracks in Curved, Brittle Shells PDF Visual Abstract

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Miscellanea Views: 1,199 Downloads: 237 Vol. 9, No. 33 (2015) June 19, 2015 pp. pages 174-182

Multi-scale crack closure measurements with digital image correlation on Haynes 230

Stefano Beretta, Silvio Rabbolini, Angelo Di Bello, Huseyin Sehitoglu

An experimental campaign was developed to study fatigue crack growth in Haynes 230, a Ni-based superalloy. The effects of crack closure were investigated with digital image correlation, by applying two different approaches. Initially, full…

10.3221/IGF-ESIS.33.22

Details: Multi-scale crack closure measurements with digital image correlation on Haynes 230 PDF

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Integrity of materials and structures Views: 949 Downloads: 403 Vol. 18, No. 69 (2024) April 19, 2024 pp. 60-70

The influence of technological defects on the mechanical behavior of CFRP during buckling under compression based on DIC data and acoustic emission

Stanislav Slovikov, Dmitry Lobanov, Ekaterina Chebotareva, Valeria Melnikova

The research focuses on examining the impact of technological defects, specifically "dry-spot" and "wrinkles," on the mechanical behavior and buckling resistance of structural composites. The investigation of the buckling phenomenon was…

10.3221/IGF-ESIS.69.05

Details: The influence of technological defects on the mechanical behavior of CFRP during buckling under compression based on DIC data and acoustic emission PDF Visual Abstract

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SI: Characterisation of Crack Tip Fields Views: 754 Downloads: 547 Vol. 13, No. 49 (2019) May 24, 2019 pp. 74-81

Using DIC techniques to measure strain ranges inside the cyclic plastic zone ahead of a fatigue crack tip

Giancarlo luis Gómez Gonzáles, Julián Andrés Ortiz González, Jaime Tupiassú Pinho de Castro, José Luiz de França Freire

A stereo microscope coupled to a 3-D Digital Image Correlation system is used to measure strain ranges on the cyclic plastic zone ahead of a fatigue crack-tip. First, a very refined speckle pattern is applied on the surface of a…

10.3221/IGF-ESIS.49.08

Details: Using DIC techniques to measure strain ranges inside the cyclic plastic zone ahead of a fatigue crack tip PDF Visual Abstract

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SI: 1st Benelux Network Meeting and Workshop on Damage and Fracture Mechanics Views: 548 Downloads: 443 Vol. 14, No. 53 (2020) July 19, 2020 pp. 26-37

Unified methodology for characterisation of global fatigue damage evolution in adhesively bonded joints

Jaiswal Pankaj, Rahul Iyer Kumar, Wim De Waele

The present work concentrates on the development of a methodology for evaluating the fatigue performance of single and double lap adhesively bonded joints subjected to constant or variable fatigue loading. Firstly, a methodology was…

10.3221/IGF-ESIS.53.03

Details: Unified methodology for characterisation of global fatigue damage evolution in adhesively bonded joints PDF Visual Abstract

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Fracture Views: 1,034 Downloads: 522 Vol. 14, No. 52 (2020) March 4, 2020 pp. 247-255

Crack coalescence and strain accommodation in gypsum rock

Chiara Caselle, Sabrina Maria Rita Bonetto, Daniele Costanzo

Gypsum is a soft rock with low strength and high propensity to plastic deformation. Its mechanical properties are relevant in a wide range of technical application (e.g. tunnel excavation, stability assessment of underground quarries, oil…

10.3221/IGF-ESIS.52.19

Details: Crack coalescence and strain accommodation in gypsum rock PDF Visual Abstract

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SI: Crack Paths Views: 961 Downloads: 553 Vol. 13, No. 48 (2019) March 3, 2019 pp. 419-428

Investigation on fracture processes of concrete

Sonali Bhowmik, Sandeep Dubey, Sonalisa Ray

Series of geometrically similar concrete beam of small, medium and large beam sizes has been tested under the action of monotonic and fatigue loading. Digital image correlation technique has been utilized to understand the fracture…

10.3221/IGF-ESIS.48.40

Details: Investigation on fracture processes of concrete PDF Visual Abstract

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