In this paper,the mechanism of workpiece burn during grinding of casehardened steel and titanium alloys was studied by the use of SEM,EPMA,XPS and the metallograph analysis.

本文应用SEM,EPMA、XPS及金相显微分析等技术表面硬化钢和钛合金烧伤机理。

The cross section morphology and skin-core structure of PAN fiber in wet-spinning are analyzed by the means of electron probe microanalyser (EPMA) and scanning electron microscope (SEM).

结果表明凝度会影响初生纤维横截面形貌与芯部结构。