张朝磊,梅珍,赵帆,杨勇,赵海东,刘雅政

• 1:北京科技大学材料科学与工程学院
• 2:西宁特殊钢集团有限责任公司

摘要(Abstract)：

通过热模拟实验和工业生产试验,研究轧后冷却路径对70钢硬线显微组织、力学性能、表面脱碳和氧化的影响,并对其进行优化。结果表明:轧后冷却过程中,无淬火组织所允许的斯太尔摩风冷最大临界冷速为(15~20)℃/s。优化的轧后冷却路径为水冷到850℃吐丝,15.1℃/s风冷到630℃,然后在620~645℃温度区间内9 s,最后以4.2℃/s平均冷速冷却到380℃。

关键词(KeyWords)： 高速线材;硬线;控轧控冷;组织性能;表面质量

Abstract:

Keywords:

基金项目(Foundation): 中央高校基本科研业务费专项资金资助项目(FRF-TP-14-003A1)

作者(Author): 张朝磊,梅珍,赵帆,杨勇,赵海东,刘雅政

DOI: 10.13289/j.issn.1009-6264.2015.s1.029

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