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ly12 he jin re ji ya bang cai cu jing huan de yan jiu
Author(s): 
Pages: 55-58
Year: Issue:  4
Journal: Light Metals

Keyword:  粗晶环棒材挤压温度抗拉强度热挤压化学成分铸锭长度低倍组织淬火合金;
Abstract: <正> LY12合金热挤压棒材淬火低倍组织经常出现较深的粗晶环。粗晶环降低棒材抗拉强度与加工性能,因此,对粗晶环必须严加控制。国家标准GB3192-82规定棒材粗晶环深度不大于3毫米,在执行中粗晶环不合格现象很
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