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Investigation of the mechanical stability of reversed austenite in 13%Cr-4%Ni martensitic stainless steel during the uniaxial tensile test
P. Wang; N. M. Xiao; S. P. Lu; D. Z. Li; Y. Y. Li
2013
Source PublicationMaterials Science and Engineering a-Structural Materials Properties Microstructure and Processing
ISSN0921-5093
Volume586Pages:292-300
AbstractThe mechanical stability of reversed austenite at room temperature in two 13%Cr-4%Ni low carbon martensitic stainless steel samples after different heat treatments has been investigated. The uniaxial tensile tests indicate that the reversed austenite resulting from the one-stage and two-stage intercritical tempering heat treatment have different mechanical stability, which induces distinct strength-ductility balance of the material. Experiments and crystal plasticity finite method simulations reveal that the special grain orientation relationship between the reversed austenite and martensite matrix, besides chemical composition, plays important roles on the mechanical stability of the reversed austenite. It is found that in both samples the Nishiyama-Wassermann or Kurdjumov-Sachs relationship between the reversed austenite and the martensite matrix provides an easy way for the active slip systems in austenite to penetrate the phase boundary to the adjacent martensite. This results in a high mechanical stability of the reversed austenite. In addition, the larger austenite grains in the second-stage tempering sample have higher mechanical stability in the martensitic steel due to the favored austenite stabilizing elements distribution behavior, and the favored stress distribution originating from the intrinsic strengths of the austenite and martensite matrix. (C) 2013 Elsevier B.V. All rights reserved.
description.department[wang, pei ; xiao, namin ; lu, shanping ; li, dianzhong ; li, yiyi] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; wang, p (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china. ; pwang@imr.ac.cn
KeywordMartensitic Steel Reversed Austenite Mechanical Stability Grain Orientation Relationship Crystal Plasticity Transformation-induced Plasticity Assisted Multiphase Steels Trip Steel In-situ Multiscale Mechanics Crystal Plasticity Trip/twip Steels Carbon-steels Behavior Deformation
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Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71546
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
P. Wang,N. M. Xiao,S. P. Lu,et al. Investigation of the mechanical stability of reversed austenite in 13%Cr-4%Ni martensitic stainless steel during the uniaxial tensile test[J]. Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing,2013,586:292-300.
APA P. Wang,N. M. Xiao,S. P. Lu,D. Z. Li,&Y. Y. Li.(2013).Investigation of the mechanical stability of reversed austenite in 13%Cr-4%Ni martensitic stainless steel during the uniaxial tensile test.Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing,586,292-300.
MLA P. Wang,et al."Investigation of the mechanical stability of reversed austenite in 13%Cr-4%Ni martensitic stainless steel during the uniaxial tensile test".Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing 586(2013):292-300.
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