拉伸变形诱导奥氏体不锈钢织构转变

S. Grigull
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引用次数: 10

摘要

采用高能x射线衍射结合织构增强Rietveld法,对经过不同程度拉伸变形的AISI 304不锈钢板进行了起始ώ和转化α结构相织构图的研究。使用该方法可以同时测定两相的取向分布函数(ODF),即使是5%左右的α-马氏体分数也是如此。根据开始相和转变相之间的晶体取向关系以及这种关系的某些变体的优先形成,分析了织构模式。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Tensile deformation induced texture transformation in austenitic stainless steel
Texture patterns of the starting ώ and transformed α structural phases were obtained from AISI 304 stainless steel sheets subjected to varying levels of tensile deformation using high energy X-ray diffraction in combination with the texture enhanced Rietveld method. The use of this method allows the simultaneous determination of the orientation distribution functions (ODF) of both phases, even for small α-martensite fractions of the order of 5%. The texture patterns are analyzed in terms of the crystallographic orientation relation between the starting and transformed phases and the preferential formation of certain variants of this relation.
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