A certain 25Cr joint rotor is found with UT defect after rough machining and determined as unqualified product.This paper adopts the methods of macro observation,metallographic detection and scanning electron microscope detection for qualitative and quantitative analysis of the defects.The results show that the nature of the defects is inclusion.
Shaft partinclusion defectscanning electron microscope detection
NETL
NSTL
万方数据
