郭宁,栾佰峰,周正,徐文雷,刘礼华,刘庆

• 1:重庆大学材料科学与工程学院
• 2:江苏法尔胜泓昇集团有限公司

摘要(Abstract)：

对国产Stelmor风冷盘条以及日本盐浴淬火盘条进行了力学性能及微观组织定量研究。力学性能分析表明,Stelmor盘条的断裂强度和塑性均低于盐浴淬火盘条,然而Stelmor盘条的维氏硬度却高于盐浴淬火盘条。利用电子背散射成像以及电子背散射衍射技术研究表明,Stelmor盘条微观上呈现簇状珠光体组织特征,珠光体团尺寸小、珠光体片层薄而短小以及小角度界面数量多是其维氏硬度高但塑性差的主要原因;然而,Stelmor盘条表层部分脱碳、心部硫化物夹杂较多,导致其没有达到相应硬度下应有的强度。

关键词(KeyWords)： 过共析钢;盘条;微观组织;珠光体团

Abstract:

Keywords:

基金项目(Foundation): 国家科技支撑计划(2007BAE15B01)

作者(Author): 郭宁,栾佰峰,周正,徐文雷,刘礼华,刘庆

DOI: 10.13289/j.issn.1009-6264.2012.04.012

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