论文部分内容阅读
可锻铸铁生产中Ｂｉ促进Ｆｅ３Ｃ形成机理的分析开封缝纫机总厂（开封４７５００４）李玉田加Ｂｉ能保证可锻铸铁件的生坯为白口组织，这已是勿容置疑的事实，本文对其机理加以分析。１微量Ｂｉ（Ｂｉ＜００５％）对灰铸和球铁的影响为了提高清理滚筒里用的铁三角的耐...
Analysis of formation mechanism of Bi to promote Fe3C in malleable cast iron production Kaifeng Sewing Machine General Factory (Kaifeng 475004) Li Yutian Adding bi can ensure that the green body of malleable cast iron is white-stained. This is an indisputable fact. The paper analyzes its mechanism. 1 micro-Bi (Bi <0 05%) on the gray cast iron and ductile iron in order to improve the cleaning ...