2000
DOI: 10.1016/s1359-6454(00)00047-1
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A crystal plasticity based work-hardening/softening model for b.c.c. metals under changing strain paths

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Cited by 118 publications
(72 citation statements)
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“…From the modeling point of view, transients related to strain-path changes have been approached either by phenomenological continuum plasticity theory with the intention to mimic microstructural changes by introducing additional internal variables, or by using physically-5 based models taking advantage of the crystal plasticity framework, Peeters et al (2000), Holmedal et al (2008). While crystal plasticity models are computationally demanding when applied in finite element simulations on industrial scale, the additional computational cost paid in continuum plasticity models for implementing the constitutive relations required for capturing strain-path changes is low.…”
Section: Modelsmentioning
confidence: 99%
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“…From the modeling point of view, transients related to strain-path changes have been approached either by phenomenological continuum plasticity theory with the intention to mimic microstructural changes by introducing additional internal variables, or by using physically-5 based models taking advantage of the crystal plasticity framework, Peeters et al (2000), Holmedal et al (2008). While crystal plasticity models are computationally demanding when applied in finite element simulations on industrial scale, the additional computational cost paid in continuum plasticity models for implementing the constitutive relations required for capturing strain-path changes is low.…”
Section: Modelsmentioning
confidence: 99%
“…The digital image correlation (DIC) technique has become increasingly popular for revealing the strain field in mechanical experiments (Benallal et al, 2008;De Codes et al, 2011;Rastogi, 2000;Roux et al, 2008;Sutton et al, 2000). Peeters et al (2000) assumed that strain-path changes in IF steels introduced only transient changes in the stress-strain curves, which vanish after a certain strain, from which the stressstrain curves tend to follow the behavior of the monotonic curve of the new deformation mode.…”
mentioning
confidence: 99%
“…These grain boundaries provide a higher density of dislocations for slip and slide of grains compared to LAGBs. Movement of these dislocations and the dislocations piled up close to the grain boundaries facilitate the grain boundary sliding and the grain rotation resulting in an increase in the formability [13][14][15]. In the areas of high shear strain the availability of a bimodal microstructure (a mixture of grains with varying size and properties) including ultra-fine grains along with elongated ones can be observed [16].…”
Section: Resultsmentioning
confidence: 99%
“…Bauschinger effect (Bauschinger, 1881;Hasegawa et al, 1975) and hardening stagnation (Boers et al, 2010;He et al, 2014) may be observed after reverse SPCs, while orthogonal hardening or softening Hasegawa et al, 1975;Manopulo et al, 2015;Peeters et al, 2000;Tarigopula et al, 2008) may happen after orthogonal SPCs. However, the transients may sometimes influence the subsequent part of the stress-strain…”
Section: Introductionmentioning
confidence: 99%