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应用X射线衍射及磁性测量等手段,对经受高压气相热充氢前后的1Cr18Ni9Ti钢试件的微观组织进行定量测试。发现氢抑制了α′马氏体的生成,而促进了ε马氏体的生成。
The microstructure of 1Cr18Ni9Ti steel before and after hot hydrogen charging in high-pressure gas phase was quantitatively tested by means of X-ray diffraction and magnetic measurement. It was found that hydrogen inhibited the formation of α ’martensite and promoted the formation of ε martensite.