作者:王均; 曾明; 杨宏山; 沈保罗; 刘浩怀; 高升吉; 黄四九;
出处:
【关键词】深冷技术,high chromium cast iron,deep cryogenic treatment,secondary carbide precipitation,martensite transformation;
【摘要】The effects of cryogenic treatment on the microstructure and the hardening behavior for high chromium cast iron were investigated by X-ray diffraction,magnetic method and hardness test.The results show that after cryogenic treatment,the sample bulk hardness has a great increase,from HRC 64.1 for air
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