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liang ci zheng huo ti gao 40mn2 gang di wen ren xing
Author(s): 
Pages: 11-13
Year: Issue:  11
Journal: Heat Treatment of Metals

Keyword:  两次正火冲击韧度晶粒带状组织;
Abstract: 用两次正火工艺提高高压无缝气瓶用40Mn2钢的低温韧性,分析了晶粒、带状组织等组织变化与低温韧性之间的关系。试验结果表明用880℃和800℃两次正火,可显著提高40Mn2钢的低温冲击韧度。
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