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轻型面包车车身开裂原因分析
引用本文:李勇.轻型面包车车身开裂原因分析[J].金属材料与冶金工程,2003,31(4):19-22.
作者姓名:李勇
作者单位:湖南跃进机电有限责任公司,湖南,永州,425000
摘    要:以18台轻型面包车车身开裂为事实依据,通过对车身钢板的成分、组织、工艺进行分析检验,结果表明氢脆和应力腐蚀是造成车身开裂的原因。对车身产生应力腐蚀的条件进行了分析,提出了预防车身开裂的措施和工艺改进方法。

关 键 词:应力腐蚀  氢脆  喷丸处理  热喷涂
文章编号:1005-6084(2003)04-0019-04
修稿时间:2003年5月8日

CRACKING ANALYSIS ON THE MINIBUS' BODY
LI Yong.CRACKING ANALYSIS ON THE MINIBUS'''' BODY[J].Metal Materials And Metallurgy Engineering,2003,31(4):19-22.
Authors:LI Yong
Abstract:According to the fact of 18 minibus body's cracking, an analysis on chemical composition, microstructure and manufacturing processes of them was carried out in this papers, It was shown that the reason of minibus body's cracking was stress corrosion cracking (SCC) and Hydrogen stress cracking(HSC) The condition which cause SCC?HSC and the measure how to prevent the crack were also discussed
Keywords:stress corrosion cracking  Hydrogen stress cracking  cloudburst treatment  hot spray coating  
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