摘要
采用金相分析、化验等手段 ,研究了单体液压支柱左阀筒表面裂纹成因。结果表明 ,原材料存在浅表面微裂纹。
The reasons of surface crackle of left valve barrel single hydraulic prop are researched with metalography analysis and test.The result indicates that the surface light crackle and inclusion air hole est.metallurgy shortcomings are the main reason of causing crackle.
出处
《煤炭技术》
CAS
2000年第3期55-56,共2页
Coal Technology