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Fatigue and Fracture of non metallic materials Views: 534 Downloads: 531 Vol. 20, No. 75 (2026) October 31, 2025 pp. 200-212

A novel procedure for accurately measuring the Mode II fracture toughness of steel fiber reinforced self-compacting concrete

Mennat-Allah Hossam El-Din, Mohamed Moawad, Seleem Ahmad, Ramy M. Reda

Most research on the mode II fracture toughness of fiber-reinforced concrete (FRC) has intentionally avoided bridging fibers at pre-notch surfaces by using a through-thickness crack (TTC) that cuts the entire thickness, including fibers in…

10.3221/IGF-ESIS.75.14

Details: A novel procedure for accurately measuring the Mode II fracture toughness of steel fiber reinforced self-compacting concrete 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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Miscellanea Views: 1,469 Downloads: 874 Vol. 10, No. 35 (2016) December 29, 2015 pp. pages 196-205

Fatigue properties and fracture mechanism of load carrying type fillet joints with one-sided welding

Takamasa Abe, Hiroyuki Akebono, Masahiko Kato, Atsushi Sugeta

The structures of the hydraulic excavator and the crane have numerous one-sided welded joints. However, attachments with box like structures are difficult to weld at both sides. Therefore, high accurate evaluation method is needed. In this…

10.3221/IGF-ESIS.35.23

Details: Fatigue properties and fracture mechanism of load carrying type fillet joints with one-sided welding PDF

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Miscellanea Views: 1,086 Downloads: 652 Vol. 9, No. 33 (2015) June 19, 2015 pp. pages 56-60

3D Analyses of crack propagation in torsion

D. Shiozawa, Serrano Munoz, S. Dancette, C. Verdu, J. Lachambre, J.-Y. Buffiere

The initiation and propagation of fatigue cracks during cyclic torsion loading was studied in a cast Al alloy (A357) with a relatively large (~500 ?m) grain size. 2D observations, revealed that multi site crack initiation occur on the…

10.3221/IGF-ESIS.33.07

Details: 3D Analyses of crack propagation in torsion PDF

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SI: Developments in the fracture and fatigue assessment of materials Views: 523 Downloads: 410 Vol. 12, No. 46 (2018) September 23, 2018 pp. 25-33

Effect of Additive Elements Bi/Ni/Ge on Crack Initiation and Propagation for Low-Ag Solders

Noritake Hiyoshi, Mitsuo Yamashita, Hiroaki Hokazono

This study discusses an effect of additive elements on crack propagation behaviour for low-Ag contain Sn1.0Ag0.7Cu lead-free solders at high temperature. A cyclic push-pull loading tests for four kinds of Sn1.0Ag0.7Cu solders were…

10.3221/IGF-ESIS.46.03

Details: Effect of Additive Elements Bi/Ni/Ge on Crack Initiation and Propagation for Low-Ag Solders PDF Visual Abstract

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Miscellanea Views: 1,024 Downloads: 441 Vol. 10, No. 36 (2016) March 22, 2016 pp. Pages 46-54

Fatigue life prediction of casing welded pipes by using the extended finite element method

Ljubica Lazi? Vuli?evi?, Aleksandar Raji?, Aleksandar Grbovi?, Aleksandar Sedmak, Živ?e Šarko?evi?

The extended finite element (XFEM) method has been used to simulate fatigue crack growth in casing pipe, made of API J55 steel by high-frequency welding, in order estimate its structural integrity and life. Based on the critical value of…

10.3221/IGF-ESIS.36.05

Details: Fatigue life prediction of casing welded pipes by using the extended finite element method PDF

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Miscellanea Views: 785 Downloads: 595 Vol. 10, No. 37 (2016) June 13, 2016 pp. 193-199

A plastic stress intensity factor approach to turbine disk structural integrity assessment

V. Shlyannikov, A. Zakharov, R. Yarullin

This study based on a new fracture mechanics parameter is concerned with assessing the integrity of cracked steam turbine disk which operate under startup-shutdown cyclic loading conditions. Damage accumulation and growth in service have…

10.3221/IGF-ESIS.37.25

Details: A plastic stress intensity factor approach to turbine disk structural integrity assessment PDF

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Miscellanea Views: 1,241 Downloads: 481 Vol. 11, No. 41 (2017) June 28, 2017 pp. Pages 236-244

On short cracks that depart from elastoplastic notch tips

Verônica Miquelin Machado, Jaime Tupiassú Pinho de Castro, Marco Antonio Meggiolaro

The behavior of short cracks that depart from elastoplastic notch tips is modeled to estimate the stresses required to initiate and to propagate cracks in notched structural components, and to evaluate the size of tolerable crack-like…

10.3221/IGF-ESIS.41.32

Details: On short cracks that depart from elastoplastic notch tips PDF

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Miscellanea Views: 951 Downloads: 798 Vol. 10, No. 36 (2016) March 22, 2016 pp. Pages 191-200

Crack formation of steel reinforced concrete structure under stress in construction period

Hua Zhu

To obtain deformation rules of steel reinforced concrete structure under stress, this study explored the crack formation in construction period. A novel structure system – steel reinforced concrete structure with shear wall and truss at…

10.3221/IGF-ESIS.36.19

Details: Crack formation of steel reinforced concrete structure under stress in construction period PDF

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Miscellanea Views: 964 Downloads: 405 Vol. 9, No. 34 (2015) September 28, 2015

Influence of control parameters on the crack paths in the aluminum alloy 2024 under bending

E. Marcisz, D. Rozumek, Z. Marciniak

The paper presents development of crack paths in aluminium alloy 2024. Fatigue tests were carried out for specimens with rectangular cross-section. The specimens were put to bending at controlled energy parameter amplitude and bending…

10.3221/IGF-ESIS.34.42

Details: Influence of control parameters on the crack paths in the aluminum alloy 2024 under bending PDF

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Miscellanea Views: 1,374 Downloads: 601 Vol. 9, No. 34 (2015) September 28, 2015

Static and dynamic experimental study of strengthened inforced short concrete corbel by using carbon fabrics, crack path in shear zone

I. Ivanova, J. Assih

The paper presents an experimental analysis of tracking the path of the cracks and crack growth in strengthened or repair reinforced concrete short corbels bonded by carbon fiber fabrics under static and dynamic loads. The reinforced short…

10.3221/IGF-ESIS.34.09

Details: Static and dynamic experimental study of strengthened inforced short concrete corbel by using carbon fabrics, crack path in shear zone PDF

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Miscellanea Views: 930 Downloads: 849 Vol. 7, No. 25 (2013) April 11, 2013 pp. Pages 36-43

Subsurface metals fatigue cracking without and with crack tip

Andrey Shanyavskiy

Very-High-Cycle-Fatigue regime for metals was considered and mechanisms of the subsurface crack origination were introduced. In many metals first step of crack origination takes place with specific area formation because of material…

10.3221/IGF-ESIS.25.06

Details: Subsurface metals fatigue cracking without and with crack tip PDF

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Miscellanea Views: 1,034 Downloads: 598 Vol. 10, No. 37 (2016) June 13, 2016 pp. 360-368

Experimental investigation of effect of specimen thickness on fracture toughness of Al-TiC composites

M. S. Raviraj, C. M. Sharanaprabhu, G. C. Mohankumar

In this paper, the macro and micro-mechanical fracture behavior was studied for aluminum (Al6061) alloy matrix, reinforced with various proportions of TiC particles such as 3wt%, 5wt% and 7wt%. The Al6061-TiC metal matrix composites were…

10.3221/IGF-ESIS.37.47

Details: Experimental investigation of effect of specimen thickness on fracture toughness of Al-TiC composites PDF

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Miscellanea Views: 1,213 Downloads: 442 Vol. 11, No. 41 (2017) June 28, 2017 pp. Pages 175-182

Fracture toughness of rough and frictional cracks emanating from a re-entrant corner

Andrea Carpinteri, Andrea Spagnoli, Michele Terzano, Sabrina Vantadori

In mixed-mode conditions, the competing contribution of the different stress intensity factors predicts fracture initiation load as well as crack propagation direction. Commonly, mixed-mode fracture resistance is based on the assumption of…

10.3221/IGF-ESIS.41.24

Details: Fracture toughness of rough and frictional cracks emanating from a re-entrant corner PDF

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Miscellanea Views: 1,058 Downloads: 775 Vol. 8, No. 30 (2014) September 8, 2014 pp. pages 55-61

Critical applied stresses for a crack initiation from a sharp V-notch

L. Náhlík, P. Huta, K. Štegnerová

The aim of the paper is to estimate a value of the critical applied stress for a crack initiation from a sharp V-notch tip. The classical approach of the linear elastic fracture mechanics (LELM) was generalized, because the stress…

10.3221/IGF-ESIS.30.08

Details: Critical applied stresses for a crack initiation from a sharp V-notch PDF

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Miscellanea Views: 141 Downloads: 107 Vol. 1, No. 1 (2007) pp. 12-18

Some practical crack path examples

Array Array

It is well known that many engineering structures and components, as well as consumer items, contain cracks or crack-like flaws. It is widely recognised that crack growth must be considered both in design and in the analysis of failures.…

10.3221/IGF-ESIS.01.01

Details: Some practical crack path examples (PDF)

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Miscellanea Views: 853 Downloads: 455 Vol. 11, No. 42 (2017) September 29, 2017 pp. Pages 46-55

Numerical analysis of the influence of liquid on propagation of a rolling contact fatigue crack

Miroslaw Olzak, Janusz Piechna, Pawel Pyrzanowski

Numerical investigations of the propagation of rolling contact fatigue crack filled by the liquid have been conducted. Two models of fluid – crack interaction have been considered. In the first model called “hydrostatic” the assumption of…

10.3221/IGF-ESIS.42.06

Details: Numerical analysis of the influence of liquid on propagation of a rolling contact fatigue crack PDF

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Miscellanea Views: 967 Downloads: 789 Vol. 11, No. 41 (2017) June 28, 2017 pp. Pages 285-292

The effect of creep damage formulation on crack tip fields, creep stress intensity factor and crack growth assessments

V. Shlyannikov, A. Tumanov

Fields of stress, strain rate and process zone of a mode I creep crack growth are analyzed by employing damage evolution equations. Damage models for fracture of process zone represented by stress based formulation. Two expressions are…

10.3221/IGF-ESIS.41.38

Details: The effect of creep damage formulation on crack tip fields, creep stress intensity factor and crack growth assessments PDF

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Miscellanea Views: 1,024 Downloads: 774 Vol. 11, No. 41 (2017) June 28, 2017 pp. Pages 211-219

Modelling of interfacial transition zone effect on resistance to crack propagation in fine-grained cement-based composites

H. Simonova, M. Vyhlidal, B. Kucharczykova, P. Bayer, Z. Kersner, L. Malikova, J. Klusak

In this paper, the attention is paid to investigation of the importance of the interfacial transition zone (ITZ) in selected fine-grained cement-based composites for the global fracture behaviour. This is a region of cement paste around…

10.3221/IGF-ESIS.41.29

Details: Modelling of interfacial transition zone effect on resistance to crack propagation in fine-grained cement-based composites PDF

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Miscellanea Views: 782 Downloads: 495 Vol. 10, No. 36 (2016) March 22, 2016 pp. Pages 160-167

Multiple crack propagation by DBEM in a riveted butt-joint: a simplified bidimensional approach

R. Citarella

A Multi-Site Damage (MSD) crack growth simulation is presented, carried out by means of Dual Boundary Element Method (DBEM), in a two-dimensional analysis of a cracked butt-joint made of aluminium 2024 T3. An equivalent crack length is…

10.3221/IGF-ESIS.36.16

Details: Multiple crack propagation by DBEM in a riveted butt-joint: a simplified bidimensional approach PDF

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Miscellanea Views: 850 Downloads: 492 Vol. 10, No. 35 (2016) December 29, 2015 pp. pages 108-113

Prediction of three-dimensional crack propagation paths taking high cycle fatigue into account

Guido Dhondt

Engine components are usually subject to complex loading patterns such as mixed-mode Low Cycle Fatigue Loading due to maneuvering. In practice, this LCF Loading has to be superimposed by High Cyclic Fatigue Loading caused by vibrations.…

10.3221/IGF-ESIS.35.13

Details: Prediction of three-dimensional crack propagation paths taking high cycle fatigue into account PDF

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Miscellanea Views: 893 Downloads: 469 Vol. 10, No. 35 (2016) December 29, 2015 pp. pages 441-448

Crack initiation and early propagation plane orientation of 2A12-T4 aluminum alloy under tension-torsion fatigue loading including mean tensile stress

Shi Xinhong, Zhang Jianyu, Xiao Qingshan, Liu Tianqi

The specimen fractures appearances are analyzed to investigate the effects of mean tensile stress on the fatigue crack initiation and early propagation plane orientation under axial-torsion fatigue loading for 2A12T4 aluminum alloy. The…

10.3221/IGF-ESIS.35.50

Details: Crack initiation and early propagation plane orientation of 2A12-T4 aluminum alloy under tension-torsion fatigue loading including mean tensile stress PDF

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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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Miscellanea Views: 1,039 Downloads: 556 Vol. 10, No. 37 (2016) June 13, 2016 pp. 22-27

Multiaxial fatigue of in-service aluminium longerons for helicopter rotor-blades

A. Shanyavskiy, A. Toushentsov

Fatigue cracking of longerons manufactured from Al-alloy AVT-1 for helicopter in-service rotorblades was considered and crack growth period and equivalent of tensile stress for different blade sections were estimated. Complicated case of…

10.3221/IGF-ESIS.37.04

Details: Multiaxial fatigue of in-service aluminium longerons for helicopter rotor-blades PDF

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Miscellanea Views: 2,131 Downloads: 491 Vol. 9, No. 34 (2015) September 28, 2015

Critical crack path assessments in failure investigations

Robert D. Caligiuri

This paper presents a case study in which identification of the controlling crack path was critical to identifying the root cause of the failure. The case involves the rupture of a 30-inch (0.76 m) natural gas pipeline in 2010 that…

10.3221/IGF-ESIS.34.13

Details: Critical crack path assessments in failure investigations PDF

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Miscellanea Views: 1,092 Downloads: 617 Vol. 10, No. 35 (2016) December 29, 2015 pp. pages 51-56

Experimental investigation of crack initiation and propagation in high- and gigacycle fatigue in titanium alloys by study of morphology of fracture

M.V. Bannikov, O. B. Naimark, V.A. Oborin

Fatigue (high- and gigacycle) crack initiation and its propagation in titanium alloys with coarse and fine grain structure are studied by fractography analysis of fracture surface. Fractured specimens were analyzed by interferometer…

10.3221/IGF-ESIS.35.06

Details: Experimental investigation of crack initiation and propagation in high- and gigacycle fatigue in titanium alloys by study of morphology of fracture PDF

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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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Miscellanea Views: 1,114 Downloads: 1,168 Vol. 9, No. 33 (2015) June 19, 2015 pp. pages 89-96

3D thickness effects around notch and crack tip stress/strain fields

R.C.O. Góes, J.T.P. Castro, M.A. Meggiolaro

Notches and cracks are usually approximately modeled as two-dimensional problems using solutions from plane elasticity to quantify localized stress/strain concentration effects around their tips. However, they may be associated with high…

10.3221/IGF-ESIS.33.12

Details: 3D thickness effects around notch and crack tip stress/strain fields PDF

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Miscellanea Views: 1,192 Downloads: 701 Vol. 7, No. 25 (2013) April 11, 2013 pp. Pages 124-129

Plastic zone evolution near a crack tip and its role in environmentally assisted cracking

Jesús Toribio, Viktor Kharin

This paper analyzes the effects of crack tip plastic strains and compressive residual stresses, created by fatigue pre-cracking, on environmentally assisted cracking of pearlitic steel subjected to localized anodic dissolution and hydrogen…

10.3221/IGF-ESIS.25.18

Details: Plastic zone evolution near a crack tip and its role in environmentally assisted cracking PDF

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Miscellanea Views: 674 Downloads: 494 Vol. 1, No. 2 (2007) pp. pages 17-24

Applicazione della meccanica della frattura viscoelastica alla previsione della vita di tubi in polibutene

Luca Andena, Marta Rink, Roberto Frassine

Isotactic polybutene-1 (i-PB1) is a polymer used for the manufacturing of pressurized pipes. In this work two grades of i-PB1 with a different degree of isotacticity have been investigated; they have been supplied by Basell Polyolefins.…

10.3221/IGF-ESIS.02.03

Details: Applicazione della meccanica della frattura viscoelastica alla previsione della vita di tubi in polibutene PDF

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Miscellanea Views: 973 Downloads: 548 Vol. 11, No. 41 (2017) June 28, 2017 pp. PAges 62-65

Influence of crack micro-roughness on the plasticity-induced fatigue propagation in high strength steel

J. Toribio, J.C. Matos, B. González

This article deals with the locally multiaxial fatigue behaviour of high strength steel. To this end, the influence of the cracking path deflections (at the micro level) on the plasticity-induced fatigue crack growth is analyzed. With…

10.3221/IGF-ESIS.41.09

Details: Influence of crack micro-roughness on the plasticity-induced fatigue propagation in high strength steel PDF

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Miscellanea Views: 1,355 Downloads: 446 Vol. 10, No. 35 (2016) December 29, 2015 pp. pages 424-433

Fatigue properties and fracture mechanism of load carrying type fillet joints with one-sided welding

Takamasa Abe, Hiroyuki Akebono, Masahiko Kato, Atsushi Sugeta

The structures of the hydraulic excavator and the crane have numerous one-sided welded joints. However, attachments with box like structures are difficult to weld at both sides. Therefore, high accurate evaluation method is needed. In this…

10.3221/IGF-ESIS.35.48

Details: Fatigue properties and fracture mechanism of load carrying type fillet joints with one-sided welding PDF

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Miscellanea Views: 1,111 Downloads: 527 Vol. 7, No. 26 (2013) September 25, 2013 pp. Pages 57-68

About the certification of railway rails

A. De Iorio, M. Grasso, F. Penta, G.P. Pucillo

When the compliance with the European Code of some rail steel has to be verified, the need of carrying out the experimental activities in accordance with several testing Standards forces the operator both to solve the problems related to…

10.3221/IGF-ESIS.26.07

Details: About the certification of railway rails PDF

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Miscellanea Views: 1,715 Downloads: 552 Vol. 11, No. 42 (2017) September 29, 2017 pp. Pages 74-84

Fatigue crack propagation prediction of a pressure vessel mild steel based on a strain energy density model

P. J. Huffman, J. Ferreira, J.A.F.O. Correia, A.M.P. De Jesus, G. Lesiuk, F. Berto, A. Fernandez-Canteli, G. Glinka

Fatigue crack growth (FCG) rates have traditionally been formulated from fracture mechanics, whereas fatigue crack initiation has been empirically described using stress-life or strain-life methods. More recently, there has been efforts…

10.3221/IGF-ESIS.42.09

Details: Fatigue crack propagation prediction of a pressure vessel mild steel based on a strain energy density model 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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Miscellanea Views: 1,015 Downloads: 442 Vol. 9, No. 34 (2015) September 28, 2015

Fatigue crack paths and properties in A356-T6 aluminum alloy microstructurally modified by friction stir processing under different conditions

A. Tajiri, Y. Uematsu, T. Kakiuchi, Y. Suzuki

A356-T6 cast aluminum alloy is a light weight structural material, but fatigue crack initiates and propagates from a casting defect leading to final fracture. Thus it is important to eliminate casting defects. In this study, friction stir…

10.3221/IGF-ESIS.34.38

Details: Fatigue crack paths and properties in A356-T6 aluminum alloy microstructurally modified by friction stir processing under different conditions PDF

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Miscellanea Views: 1,713 Downloads: 660 Vol. 9, No. 31 (2015) December 18, 2014 pp. pages 138-147

FEM simulation of a crack propagation in a round bar under combined tension and torsion fatigue loading

R. Citarella, M. Lepore, A. Maligno, V. Shlyannikov

An edge crack propagation in a steel bar of circular cross-section undergoing multiaxial fatigue loads is simulated by Finite Element Method (FEM). The variation of crack growth behaviour is studied under axial and combined in phase…

10.3221/IGF-ESIS.31.11

Details: FEM simulation of a crack propagation in a round bar under combined tension and torsion fatigue loading PDF

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Miscellanea Views: 1,201 Downloads: 859 Vol. 7, No. 25 (2013) April 11, 2013 pp. Pages 7-14

Crack propagation mechanism and life prediction for very-highcycle fatigue of a structural steel in different environmental medias

Guian Qian, Chengen Zhou, Youshi Hong

The influence of environmental medias on crack propagation of a structural steel at high and very high-cycle fatigue (VHCF) regimes is investigated based on the fatigue tests performed in air, water and 3.5% NaCl aqueous solution. Crack…

10.3221/IGF-ESIS.25.02

Details: Crack propagation mechanism and life prediction for very-highcycle fatigue of a structural steel in different environmental medias PDF

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Miscellanea Views: 1,859 Downloads: 599 Vol. 8, No. 30 (2014) September 10, 2014 pp. pages 454-461

Fatigue crack behavior on a Cu-Zn-Al SMA

V. Di Cocco, F. Iacoviello, S. Natali, V. Volpe

In recent years, mechanical property of many SMA has improved in order to introduce these alloys in specific field of industry. Main examples of these alloys are the NiTi, Cu-Zn-Al and Cu-Al-Ni which are used in many fields of engineering…

10.3221/IGF-ESIS.30.55

Details: Fatigue crack behavior on a Cu-Zn-Al SMA PDF

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Miscellanea Views: 2,121 Downloads: 580 Vol. 7, No. 26 (2013) September 25, 2013 pp. Pages 22-30

An experimental study on flexural strength enhancement of concrete by means of small steel fibers

Abdoullah Namdar, Ideris Bin Zakaria, Azimah Bt Hazeli, Sayed Javid Azimi, Abdul Syukor Bin Abd. Razak, G. S. Gopalakrishna

Cost effective improvement of the mechanical performances of structural materials is an important goal in construction industry. To improve the flexural strength of plain concrete so as to reduce construction costs, the addition of fibers…

10.3221/IGF-ESIS.26.03

Details: An experimental study on flexural strength enhancement of concrete by means of small steel fibers PDF

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Fracture Views: 560 Downloads: 400 Vol. 14, No. 54 (2020) September 23, 2020 pp. 192-201

Strain-gradient effect on the crack tip dislocations density

Valery Shlyannikov, Andrey Tumanov, Ruslan Khamidullin

In this study, the influence of a material’s plastic properties on the crack tip fields and dislocation density behavior is analytically and numerically analyzed using the conventional mechanism-based strain-gradient plasticity (CMSGP)…

10.3221/IGF-ESIS.54.14

Details: Strain-gradient effect on the crack tip dislocations density PDF 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: 1,337 Downloads: 601 Vol. 11, No. 39 (2017) December 15, 2016 pp. Pages 143-159

Probabilistic prediction of fatigue damage based on linear fracture mechanics

M. Krejsa, L. Koubova, J. Flodr, J. Protivinsky, Q. T. Nguyen

Paper describes in detail and gives example of the probabilistic assessment of a steel structural element subject to fatigue load, particular attention being paid to cracks from the edge and those from surface. Fatigue crack damage depends…

10.3221/IGF-ESIS.39.15

Details: Probabilistic prediction of fatigue damage based on linear fracture mechanics PDF

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Miscellanea Views: 978 Downloads: 978 Vol. 10, No. 37 (2016) June 13, 2016 pp. 87-93

An all-in-one numerical methodology for fretting wear and fatigue life assessment

I. Llavori, M.A. Urchegui, W. Tato, X. Gomez

Many mechanical components such as, bearing housings, flexible couplings and spines or orthopedic devices are simultaneously subjected to a fretting wear and fatigue damage. For this reason, the combined study on a single model of wear…

10.3221/IGF-ESIS.37.12

Details: An all-in-one numerical methodology for fretting wear and fatigue life assessment PDF

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Miscellanea Views: 1,764 Downloads: 623 Vol. 7, No. 25 (2013) April 11, 2013 pp. Pages 102-108

Pearlitic ductile cast iron: damaging micromechanisms at crack tip

F. Iacoviello, V. Di Cocco, A. Rossi, M. Cavallini

Ductile cast irons (DCIs) are characterized by a wide range of mechanical properties, mainly depending on microstructural factors, as matrix microstructure (characterized by phases volume fraction, grains size and grain distribution)…

10.3221/IGF-ESIS.25.15

Details: Pearlitic ductile cast iron: damaging micromechanisms at crack tip PDF

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SI: Crack Paths Views: 929 Downloads: 343 Vol. 13, No. 48 (2019) February 24, 2019 pp. 34-41

Crack propagation in a brittle DCB specimen assessed by means of the Williams’ power expansion

Lucie Malikova, Seyed Mohammad Javad Razavi, Filippo Berto

A double cantilever beam geometry has been chosen in order to investigate the importance of the higher-order terms of the Williams’ power expansion for the crack path estimation. The crack propagation has been tested experimentally on a…

10.3221/IGF-ESIS.48.05

Details: Crack propagation in a brittle DCB specimen assessed by means of the Williams’ power expansion PDF Visual Abstract

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Miscellanea Views: 965 Downloads: 433 Vol. 10, No. 35 (2016) December 29, 2015 pp. pages 206-212

Crack initiation and fracture features of Fe–Co–B–Si–Nb bulk metallic glass during compression

S. Lesz, A. Januszka, S. Griner, R. Nowosielski

The aim of the paper was investigation crack initiation and fracture features developed during compression of Fe-based bulk metallic glass (BMG). These Fe-based BMG has received great attention as a new class of structural material due to…

10.3221/IGF-ESIS.35.24

Details: Crack initiation and fracture features of Fe–Co–B–Si–Nb bulk metallic glass during compression PDF

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Structural Integrity and Safety: Experimental and Numerical Perspectives Views: 601 Downloads: 444 Vol. 16, No. 59 (2022) December 22, 2021 pp. 243-255

3D crack identification using the Nelder-Mead Simplex algorithm combined with a random generation of crack positions

Nasreddine Amoura, Hocine Kebir, Abdelouahab Benzerdjeb

In this paper, we present a scheme for cracks identification in three-dimensional linear elastic mechanical components. The scheme uses a boundary element method for solving the forward problem and the Nelder-Mead simplex numerical…

10.3221/IGF-ESIS.59.18

Details: 3D crack identification using the Nelder-Mead Simplex algorithm combined with a random generation of crack positions PDF Visual Abstract

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Miscellanea Views: 829 Downloads: 448 Vol. 11, No. 41 (2017) June 28, 2017 pp. Pages 139-142

Crack tip field in circumferentially-cracked round bar (CCRB) in tension affected by loss of axial symmetry

J. Toribio, B. González, J.C. Matos

In this paper, the stress intensity factor (SIF) is computed in a circumferentially-cracked round bar (CCRB) subjected to tensile loading, considering that the resistant ligament is circular and exhibits certain eccentricity in relation to…

10.3221/IGF-ESIS.41.19

Details: Crack tip field in circumferentially-cracked round bar (CCRB) in tension affected by loss of axial symmetry PDF

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Miscellanea Views: 763 Downloads: 446 Vol. 10, No. 37 (2016) June 13, 2016 pp. 369-381

A robust approach for the determination of Gurson model parameters

R. Sepe, G. Lamanna, F. Caputo

Among the most promising models introduced in recent years, with which it is possible to obtain very useful results for a better understanding of the physical phenomena involved in the macroscopic mechanism of crack propagation, the one…

10.3221/IGF-ESIS.37.48

Details: A robust approach for the determination of Gurson model parameters PDF

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