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冷却器内浮头螺栓断裂原因分析
Author(s) -
继宏 王
Publication year - 2019
Publication title -
建筑工程与管理
Language(s) - Uncategorized
Resource type - Journals
eISSN - 2661-4413
pISSN - 2661-4405
DOI - 10.33142/aem.v1i2.901
Subject(s) - medicine
采用力学性能分析、外观形貌观察、材质分析、化学成分分析、分析、电镜扫描分析及硬度检测分析等方法对某炼油厂常压装置塔顶冷却器内浮头螺栓进行了失效分析结果表明该螺栓的化学成分、金相组织都符合国标要求硬度为布氏硬度为423—426HBW洛氏硬度为42.5--43.9HRC其断裂原因为湿式硫化物应力腐蚀而引起的即“氢脆”断裂并提出了改进措施。

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