彭雯雯,曾卫东,闫文巧,康超,王腾飞

• 1:西北工业大学 凝固技术国家重点实验室
• 2:西安飞机工业(集团)有限责任公司

摘要(Abstract)：

采用SEM、TEM等方法研究了不同回火温度对Aermet100超高强度钢的显微组织和韧性的影响。结果表明,Aermet100钢经885℃淬火后,在472～492℃温度范围内回火,显微组织为高位错密度的板条马氏体(板条M)和少量逆转变奥氏体(AR)。随着回火温度的升高,板条M宽度略有增加,韧化相AR的含量有所提高。高密度位错马氏体的存在使得Aermet100钢保持较高的韧性水平,而逆转奥氏体含量的增加则导致Aermet100钢的韧性显著提高。

关键词(KeyWords)： Aermet100超高强度钢;回火温度;显微组织;韧性

Abstract:

Keywords:

基金项目(Foundation): 新世纪优秀人才支持计划(NCET-07-0696);; 教育部博士点基金(20116102110015)

作者(Author): 彭雯雯,曾卫东,闫文巧,康超,王腾飞

DOI: 10.13289/j.issn.1009-6264.2013.06.013

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