Quantitative analyses have been made on the composition of corroded products and the macro-residualstress on the pipe surface by EDX and XRD.
应用x射线能谱仪和x射线衍射仪分别对腐蚀产物及管表面宏观残余应力进行定量分析。
2
Experiment results showed that the fracture of the nut was originated from a variety of macro defects, micro defects both by founding and machining, as well as high residualstress.