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du ge tan ke pao guan de shi xiao fen xi
Author(s): 
Pages: 47
Year: Issue:  4
Journal: Ordnance Material Science and Engineering

Keyword:  失效分析微裂纹铬层基体钢剥落现象发射过程炮管弹带表面加热闭合裂纹;
Abstract: <正> 澳大利亚研究人员对一寿终(速度和精度下降)镀铬坦克炮管进行了失效分析。在膛内轴对称部位发现局部铬层剥落现象,原因似乎是原先存在于镀层内贯穿至基体钢表面的微裂纹的扩展所致。而发射过程中某些弹的铜弹带的残铜又被挤进这些微裂纹,最
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