The paper has put forward the method to photograph the microstructure of powder material with phase contrast microscope.
提出了利用相差显微镜对粉末材料显微结构进行摄影的方法。
The fine scale microstructure of powder metallurgy high speed steels has been investigated by using analytical electron microscopy.
应用分析电子显微术对粉末冶金高速钢的精细结构进行了研究。
The result indicated that the microstructure of the powder is clearly related to quenching velocity and crystallizing temperature.
结果表明，快淬后磁粉的显微结构与快淬速度和晶化温度密切相关。
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