alloy carbide meaning in Chinese

合金碳化物

And we also discovered there is no decreasing of the hardness on the surface of cr12 steel . it is due to dispersion harden by plentiful of alloy carbide and decreasing of residual austcnitc . these research work should provide some useful references for technicians in practice . at last , the program was also introduced
但在高合金钢cr12中发现硬度回落现象并不明显，这是因为本身该钢种的激光加工硬化带硬度并不大，另外高合金含量产生的弥散强化以及残余奥氏体的减少也是硬度回落小的一个原因。