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Study on relationship between ductile to brittle transition and stacking fault energy of high nitrogen containing austenitic stainless steel
Author(s): 
Pages: 11-14
Year: Issue:  2
Journal: Research on Iron and Steel

Keyword:  夏比冲击试验高氮奥氏体钢韧-脆转变层错能;
Abstract: 在60℃至室温范围内,采用夏比冲击试验测定材料的韧一脆转变温度,并通过对冲击断口的X-射线测试层错能等方法,对几种不同含氮量奥氏体不锈钢在低温下发生韧一脆转变的现象进行了研究.结果表明:在超高氮奥氏体钢中,随氮质量分数的增加该钢种发生韧一脆转变的温度上升,层错能减少,韧性越来越差.
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