不透钢的返修，应尽量采用间歇和分段气刨，以减少热量输入，并彻底清除渗碳层，露出金属光泽后方可焊接。
For the repair of stainless steel, to reduce heat energy and clean completely, gouging should in discontinuous way.
分析结果表明，铸锭中分布不均匀的非金属夹杂物和组织中过量分布于晶界的贝氏体和三次渗碳体是导致冷镦开裂的原因。
It was revealed that: inhomogeneous distribution of the non-metallic inclusion and excessive bainite and tertiary cementite is the cause of cracking.
着重讨论了渗碳炉、铜、铝等液态金属熔体温度检测技术。
The discussion on the temperature measuring techniques for liquid metal melts of copper, aluminum and the melt in a cementite furnace etc. is put stress on.
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