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对热卷开裂的C_(62)A(N)型货车车门折页进行化学成分、夹杂物、宏观和显微检测分析.结果表明,折页开裂的原因是由于原材料含铜量过高,属铜脆现象.
The chemical compositions, inclusions, macroscopical and microscopic analysis of the folding of the C_ (62) A (N) truck door with hot coil cracking were analyzed.The results showed that the reason for the cracking of the folding door was that the copper content in the raw material was too high, Copper brittle phenomenon.