李兵,唐正连,罗元元,张新平

• 1:湖北汽车工业学院材料学院
• 2:华南理工大学材料学院

摘要(Abstract)：

通过组织分析和力学性能测试,研究了奥氏体化温度、保温时间、回火温度对一种低合金高性能铸钢组织和性能的影响。试验结果表明,奥氏体化温度对实验铸钢伸长率的影响显著,回火温度对其强度、硬度、冲击韧性的影响起主要作用。该铸钢的最佳热处理工艺为:930℃下奥氏体化保温2 h后油冷,600℃下回火保温2 h后空冷,该工艺可以使此铸钢具有更好的综合力学性能。

关键词(KeyWords)： 低合金铸钢;调质;组织;强度;伸长率

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51604103);; 校博士基金(BK200903);; 湖北省教育厅科学计划项目(Q20151803)

作者(Author): 李兵,唐正连,罗元元,张新平

DOI: 10.13289/j.issn.1009-6264.2017-0061

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