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12CrNi5MoV锻钢的回火脆特性研究

Zhiying YAO,Renfu WANG,Gang XUE,Jicheng NIU

Development and Application of Materials（2017）

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Abstract
研究了系列温度回火处理的12CrNi5MoV锻钢的夏比冲击试验,并采用扫描电镜对冲击断口形貌进行了分析.结果表明,12CrNi5 MoV锻钢存在两个回火脆温度,分别为400℃和570℃.与原始调质态相比,400℃回火和570℃回火分别使-20℃冲击功下降了52％和47％.
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