梁宇,余凌锋,梁益龙

• 1:贵州大学材料与冶金学院
• 2:贵州省材料结构与强度重点实验室

摘要(Abstract)：

以SWRS82B钢为研究对象,制定热处理工艺:将试样奥氏体化后在低温盐槽停留短时间后马上进入高温盐槽等温,目的是增加珠光体转变过冷度,提高珠光体形核率,减小珠光体团尺寸,从而探索高碳珠光体钢力学性能与显微组织尺寸之间的关系。结果表明,珠光体钢强度指标主要由珠光体片层间距决定。晶粒尺寸明显影响塑性指标,晶粒尺寸越小塑性指标越高,而当晶粒尺寸相近时,珠光体团尺寸越细小断面收缩率越高。

关键词(KeyWords)： 珠光体钢;片层间距;晶粒尺寸;团尺寸;拉伸性能

Abstract:

Keywords:

基金项目(Foundation): 贵州省科学技术基金(黔科合J字[2009]2231);; 贵州省社发攻关SY字[2013]3120

作者(Author): 梁宇,余凌锋,梁益龙

DOI: 10.13289/j.issn.1009-6264.2013.07.025

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