Influence and evaluation of constraint on fracture toughness in pipeline research [PDF]
, 2012 Accessing nowadays fossil fuel reserves requires a strain-based design approach. Within such design, the ductile tearing resistance is a key parameter in assessing the defect tolerance. To determine this tearing resistance, full scale (pressurized) tests
De Waele, Wim +3 more
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Ductile Fracture Analysis of High-strength Steel Bars Using Micromechanical GTN Model [PDF]
Journal of Stress Analysis, 2018 Recent studies on the mechanics of materials have shown that the ductile fracture is significantly affected by the stress invariants among progressive plastic deformation.
H. Bahrami Ghalehjoogh, S.H. Hoseini
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Uncoupled material model of ductile fracture with directional plasticity [PDF]
, 2017 Proposed paper deals with the application of plastic response with directional distortional hardening (DDH) in uncoupled ductile fracture model and comparison of the results with the same ductile fracture model based on isotropic J2 plasticity.
Dzugan, Jan +4 more
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The Study and Application on Ductile Fracture Criterion of Dual Phase Steels During Forming
MetalsHigh-strength steel exhibits complex fracture behavior due to the interplay between shear and necking mechanisms during stamping and forming processes, posing challenges to achieving the dimensional accuracy and reliability demanded for automotive body ...
Lianxing Zhao +4 more
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Evaluation of formability and fracture of pure titanium in incremental sheet forming [PDF]
, 2017 A forming limit diagram (FLD) is commonly used as a useful means for characterizing the formability of sheet metal forming processes. In this study, the Nakajima test was used to construct the forming limit curve at necking (FLCN) and fracture (FLCF ...
Gatea, Shakir +3 more
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Forces in MechanicsThis study presents an experimental and numerical investigation into the influence of stress triaxiality, Lode angle parameter, and ductile fracture behavior in Al 6061-T6 aluminum alloy.
Mohsen Mansouri, Mehdi Ganjiani
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Computational modelling of void growth in swelled hydrogels [PDF]
, 2017 The nature and the large notable distinguishing features of polymeric gels explain their pervasive use as biomaterials in both regenerative medicine and tissue engineering.
Elkolli, M., Gangloff, S.C., Siad, L.
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Porous Titanium for Biomedical Applications: Evaluation of the Conventional Powder Metallurgy Frontier and Space-Holder Technique [PDF]
, 2019 Titanium and its alloys are reference materials in biomedical applications because of their desirable properties. However, one of the most important concerns in long-term prostheses is bone resorption as a result of the stress-shielding phenomena ...
Arévalo Mora, Cristina María +7 more
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RESEARCH ON THE RELATIONSHIP BETWEEN FRACTURE STRAIN AND TRIAXIALITY OF 6061-T6 ALUMINUM ALLOY
Jixie qiangdu, 2020 It has important theoretical significance and application value for analyzing the fracture failure process of 6061-T6 aluminum alloy to study the relationship between fracture strain and stress triaxiality and establish the fracture failure model.
YI HaiJiao +4 more
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基于多尺度晶体塑性有限元的GCr15轴承钢拉-压不对称性研究
Jixie qiangdu, 2021 In this paper,stress triaxiality is added to the classical crystal plasticity constitutive model to investigate the experimental phenomenon of tension-compression asymmetry for the GCr15 bearing steel.Firstly, the crystal plasticity constitutive model is
樊冬, 余丰, 李淑欣
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