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本文采用显微组织成分分析和断口分析等方法对液化气贮罐在使用中产生裂纹的类型和原因进行了综合分析,说明了裂纹是腐蚀应变疲劳作用的结果。
In this paper, we analyzed the types and causes of cracking of liquefied gas storage tank by using the methods of microstructure analysis and fracture analysis, which shows that the crack is the result of fatigue strain of corrosion strain.