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35crni3mova gang yi chang duan kou de dian jing fen xi
Pages: 44-48
Year: Issue:  8
Journal: Ordnance Material Science and Engineering

Keyword:  CrNi3MoVA晶界析出电渣重熔色棱透射电镜能谱仪粗颗粒长条状锻成锻造加工;
Abstract: 直径150毫米35CrNi3MoVA电渣重熔圆钢经锻造调质处理后,在常规断口抽捡中发现断口异常,在纤维状断口的基体上分布着许多灰色棱面状长片和灰色棱面状粗颗粒。经使用扫描电镜、透射电镜及X射线能谱仪观察分析,认为这种异常断口是由于材料过热,VC沿晶界析出而形成的石状断口。
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