Influence of anisotropic damage evolution on cold forging
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DOI: 10.1007/s11740-019-00942-y
Abstract: This contribution deals with the influence of anisotropic material degradation (damage) within numerical simulations of cold forging. For that purpose, two constitutive frameworks for modeling ductile damage are presented: an isotropic and an anisotropic model.… read more here.
Keywords: cold forging; influence anisotropic; ductile damage; damage ... See more keywords
Ductile damage prediction of AA 5754 sheet during cold forming condition
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DOI: 10.1007/s12206-020-0914-9
Abstract: Aluminium sheet parts manufactured by cold-forming processes are subjected to ductile damage due to the plastic deformation. Tool design based on the experience and failure prediction using simple criteria in sheet metal forming can cause… read more here.
Keywords: ductile damage; sheet; model; cold forming ... See more keywords
A Ductile Damage Criterion for AISI 321 Austenitic Stainless Steel at Different Temperatures and Strain Rates
Sign Up to like & getrecommendations! Published in 2018 at "Arabian Journal for Science and Engineering"
DOI: 10.1007/s13369-018-3191-5
Abstract: In the present study, the variation of the critical ductile damage during hot deformation was investigated using hot compression testing and finite element simulation. Based on the obtained results, the critical ductile damage diagram was… read more here.
Keywords: 321 austenitic; ductile damage; critical ductile; austenitic stainless ... See more keywords
Analysis of ductile damage changes of pipelines with unconstrained dents in rebound process
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DOI: 10.1016/j.engfailanal.2020.105071
Abstract: Abstract Dent is one of the most common defects in mechanical damage of oil and gas pipelines. Most of the dents generated during pipeline construction are unconstrained dents, and rebound will occur during service of… read more here.
Keywords: ductile damage; pipeline; unconstrained dents; dents rebound ... See more keywords
Coupled anisotropic plasticity-ductile damage: Modeling, experimental verification, and application to sheet metal forming simulation
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DOI: 10.1016/j.ijmecsci.2018.10.044
Abstract: Abstract In this paper, an improved anisotropic elasto-plastic model strongly coupled with isotropic ductile damage is investigated. The quadratic Hill’48 yield criterion and non-linear isotropic/kinematic hardening are considered in the associated flow rule model. The… read more here.
Keywords: sheet metal; damage; ductile damage;
Failure prediction on steel sheet under different loading paths based on fully coupled ductile damage model
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Mechanical Sciences"
DOI: 10.1016/j.ijmecsci.2019.01.029
Abstract: Abstract It is well known that the ductile damage evolution on sheet metal under complex loading conditions is highly dependent on the complexity of the applied loading path. In this study, a fully coupled ductile… read more here.
Keywords: fully coupled; sheet; damage; ductile damage ... See more keywords
Thin Sheet Behaviour Identification by µ-InDef and Identifiability Analysis
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DOI: 10.1016/j.promfg.2020.04.330
Abstract: Abstract Incremental forming is a rapid prototyping process which uses a forming tool to form a sheet metal according to a predetermined trajectory. In this work, a micro incremental deformation test (Micro InDef test) derived… read more here.
Keywords: ductile damage; analysis; sheet; test ... See more keywords
Presenting an explicit step-by-step algorithm for lemaitre's ductile damage model with the crack closure effect in tensile-compressive loadings
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DOI: 10.1080/15397734.2021.1966309
Abstract: Continuum damage mechanics (CDM) studies the deterioration of mechanical properties in materials that leads to material failure. The Lemaitre’s ductile damage model is known as a suitable criterion... read more here.
Keywords: damage model; ductile damage; lemaitre ductile; damage ... See more keywords
Presentation of a new 2D fast and straightforward version for the Lemaitre’s ductile damage model
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DOI: 10.1080/15397734.2023.2301392
Abstract: Abstract Damage is an undesirable and progressive process that ultimately leads to complete failure of materials. Obtaining a robust tool to precisely and reliably predict damage evolution behavior in ductile sheet metals is among the… read more here.
Keywords: version; damage model; damage; lemaitre ductile ... See more keywords