某电厂真空泵叶轮叶片断裂原因分析  

Analysing on Crack of Vacuum Pump Impeller Blade

作　　者：冯砚厅[1] 代小号[1] 柯梏[1] 阎光宗[1] 

机构地区：[1]河北省电力研究院,河北石家庄050021

出　　处：《热加工工艺》2012年第7期203-204,209,共3页Hot Working Technology

摘　　要：通过化学成分金相组织、宏观断口以及受力状况等分析方法,分析了某电厂真空泵叶轮叶片断裂原因。The blade fracture of vacuum impeller used in a power station was analyzed by chemical composition analysis, metallographic analysis, fracture analysis and force analysis. The results show that deficient stiffness, metallurgical structure defect and casting defect are the main reasons for the fracture.

关 键 词：真空泵 叶片 缺陷 断裂 

分 类 号：TG142[一般工业技术—材料科学与工程]