余音宏,李晓闲,李平,张雪辉,陈星斌

• 1:国家钨与稀土产品质量监督检验中心
• 2:江西理工大学材料科学与工程学院

摘要(Abstract)：

采用OM、SEM、TEM、XRD及力学性能测试等表征手段分析了钒添加量对低碳V微合金直接淬火钢显微组织结构和析出相特征的影响,并对其拉伸性能及冲击韧性进行了测定。结果表明:钒的加入能使钢的晶粒组织得到明显细化;同时随着其含量的增大,试验钢的强度增加。当V添加量为0.30 mass%时,试样钢综合性能最优,抗拉强度达1746 MPa,屈服强度为1301MPa,-40℃冲击功为42 J。

关键词(KeyWords)： 钒;直接淬火钢;组织;抗拉强度;冲击韧性

Abstract:

Keywords:

基金项目(Foundation): 国家重点基础研究发展计划(2010CB630805);; 江西省科技厅青年科学基金(20151BAB216015);; 赣州市社会科学研究项目(15538)

作者(Author): 余音宏,李晓闲,李平,张雪辉,陈星斌

DOI: 10.13289/j.issn.1009-6264.2016.07.009

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