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归纳介绍了不锈钢内衬背侧开裂导致泄漏的五起案例,并对背侧开裂内衬进行了金相、电子探针等初步分析,指出不锈钢内衬背侧开裂主要是由应力腐蚀造成的。内衬母材背侧开裂应引起使用和检验单位的高度重视。
Five cases of leakage caused by backside cracking of stainless steel liner were introduced. Preliminary analysis of backside cracked liner by metallography and electron probe was made. It was pointed out that the backside cracking of stainless steel liner was mainly caused by stress corrosion. Lining of base metal back should cause the use of units and inspection units attach great importance.