The fracture of a camshaft made of chilled cast iron, installed in a home-made Fukang car, happened only after running o......

利用铬是碳化物形成元素且与α-Fe无限互溶的条件，在廉价低碳钢或中碳钢表面进行等离子渗铬，形成表面高铬合金层，当表面含铬量达到40％......