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On the strain hardening and texture evolution in high manganese steels: Experiments and numerical investigation
Li YQ(李永强); Zhu LC(祝连春); Liu Y(刘垚); Wei YJ(魏宇杰); Wu YX; Tang D; Mi ZL; Wei, YJ (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
Source PublicationJOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS
2013-12
Volume61Issue:12Pages:2588-2604
ISSN0022-5096
AbstractWe present a systematic investigation on the strain hardening and texture evolution in high manganese steels where twinning induced plasticity (TWIP) plays a significant role for the materials' plastic deformation. Motivated by the stress-strain behavior of typical TWIP steels with compositions of Fe, Mn, and C, we develop a mechanistic model to explain the strain-hardening in crystals where deformation twinning dominates the plastic deformation. The classical single crystal plasticity model accounting for both dislocation slip and deformation twinning are then employed to simulate the plastic deformation in polycrystalline TWIP steels. While only deformation twinning is activated for plasticity, the simulations with samples composed of voronoi grains cannot fully capture the texture evolution of the TWIP steel. By including both twinning deformation and dislocation slip, the model is able to capture both the stress-strain behaviors and the texture evolution in Fe-Mn-C TWIP steel in different boundary-value problems. Further analysis on the strain contributions by both mechanisms suggests that deformation twinning plays the dominant role at the initial stage of plasticity in TWIP steels, and dislocation slip becomes increasingly important at large strains.
KeywordTwinning Induced Plasticity Deformation Twinning Strain Hardening Crystal Plasticity Finite-element Analysis
Subject Area固体力学
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000326660400010
Funding OrganizationMOST 973 of China [2012CB937500, 2011CB711103]; National Natural Science Foundation of China (NSFC) [11021262]; Chinese Academy of Sciences [KJCX2-EW-L03]; MOST 863 of China [2012AA03A508]
DepartmentLNM微结构计算力学(筹)
Classification一类
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/47560
Collection非线性力学国家重点实验室
Corresponding AuthorWei, YJ (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Li YQ,Zhu LC,Liu Y,et al. On the strain hardening and texture evolution in high manganese steels: Experiments and numerical investigation[J]. JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS,2013,61(12):2588-2604.
APA Li YQ.,Zhu LC.,Liu Y.,Wei YJ.,Wu YX.,...&Wei, YJ .(2013).On the strain hardening and texture evolution in high manganese steels: Experiments and numerical investigation.JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS,61(12),2588-2604.
MLA Li YQ,et al."On the strain hardening and texture evolution in high manganese steels: Experiments and numerical investigation".JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS 61.12(2013):2588-2604.
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