冷轧对含少量Mo的301不锈钢(15Cr17Ni7)组织和性能影响

材料研究学报

2010, Vol. 24

Issue (3): 278-282

研究论文

本期目录 | 过刊浏览

冷轧对含少量Mo的301不锈钢(15Cr17Ni7)组织和性能影响

陈波, 高明, 马颖澈, 赵秀娟, 刘奎

中国科学院金属研究所沈阳 110016

Effect of Cold Rolling on the Structure and Properties of 301(15Cr17Ni7) Containing Mo Stainless Steel

CHEN Bo, GAO Ming, MA Yingche, ZHAO Xiujuan, LIU Kui

Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016

引用本文:

陈波高明马颖澈赵秀娟刘奎. 冷轧对含少量Mo的301不锈钢(15Cr17Ni7)组织和性能影响[J]. 材料研究学报, 2010, 24(3): 278-282.
, . Effect of Cold Rolling on the Structure and Properties of 301(15Cr17Ni7) Containing Mo Stainless Steel[J]. Chin J Mater Res, 2010, 24(3): 278-282.

全文: PDF(861 KB)

摘要:

对含有0.8%(质量分数)Mo的301奥氏体不锈钢板进行了压下率为0--52%的冷轧变形实验, 研究了不同变形量下合金室温拉伸性能、显微组织、马氏体含量及显微硬度。结果表明合金的加工硬化与变形过程中应力诱发马氏体相变密切相关, 合金的屈服强度、抗拉强度和显微硬度与压下率呈线性关系。当压下率为52%时, 合金组织中马氏体含量约75%, 抗拉强度达1700 MPa以上。添加0.8%Mo对合金起到轻微强化作用, 强度提高约100 MPa, 但塑性没有降低。

关键词 ：奥氏体不锈钢，301不锈钢，冷轧，性能，组织

Abstract：

This article investigates the effect of various degrees of plastic deformation introduced by cold rolling at ambient temperature on the tensile properties of 301 stainless steel containing 0.8% Mo. The results indicate that the formation of strain-induced martensite evidently leads to a significant strengthening of the steel. The tensile and yield strengths as well as hardness increase linearly with the increase of cold rolling reduction. After 52% rolling reduction, the amount of martensite is about 75%, and the tensile strength is elevated to be about 1700 MPa. The addition of 0.8% Mo has a slight effect on tensile and yield strengths, but the plasticity is not decreased.

Key words： Austenitic stainless steel, AISI 301, Cold rolling, Tensile property, Microstructure

收稿日期: 2009-10-20

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