The apparent defect of some stainless steel products was analyzed by scanning electron microscope ( SEM ), X-ray Energy Dispersive Spectroscopy ( EDS ) and X-ray Wavelength Dispersive Spectroscopy ( WDS ).

• 利用扫描电子显微镜(SEM)及其附带的X射线能谱仪(EDS)、X射线波谱仪(WDS)对某些不锈钢制品的表观缺陷进行了较深入的分析。