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首页> 外文期刊>Journal of Materials Engineering and Performance >Martensitic Transformation During Compressive Deformation of a Non-conventional Stainless Steel and Its Quantitative Assessment
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Martensitic Transformation During Compressive Deformation of a Non-conventional Stainless Steel and Its Quantitative Assessment

机译：非常规不锈钢压缩变形过程中的马氏体相变及其定量评估

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摘要

This report aims to examine the extent of deformation-induced phase transformation in a non-conventional austenitic stainless steel known as ISO/TR 15510 X12CrMnNiN17-7-5, upon compressive loading at room temperature. Experiments were carried out under varying length to diameter ratios (0.8, 1.0, 1.2, 1.4, and 1.6). TFE (Tetrafluoroethylene)-fluorocarbon tapes were used at specimen-platen interfaces to reduce the effect of friction. The results indicate that the lubrication was effective up to 15% of strain. Optical microscopy and x-ray diffraction (XRD) studies indicated martensitic phase transformation in the deformed specimens. The extent of phase transformation was determined by analyzing the XRD peaks using integrated intensity of the corresponding phases. The results are correlated with the extent of deformation in the respective samples. The presence of gamma and alpha'-martensite on the deformed samples has been substantiated by some limited experiments using transmission electron microscopy.
机译：本报告旨在研究室温下的压缩载荷下，一种称为ISO / TR 15510 X12CrMnNiN17-7-5的非常规奥氏体不锈钢中，变形引起的相变的程度。实验是在不同的长径比（0.8、1.0、1.2、1.4和1.6）下进行的。 TFE（四氟乙烯）-碳氟碳带被用于样品板的界面，以减少摩擦的影响。结果表明，润滑在高达15％的应变下均有效。光学显微镜和X射线衍射（XRD）研究表明，变形试样中存在马氏体相变。通过使用相应相的积分强度分析XRD峰来确定相变的程度。结果与各个样品的变形程度相关。使用透射电子显微镜通过一些有限的实验证实了变形样品上γ和α'-马氏体的存在。

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