淬火组织中马氏体与残余奥氏体的成分不均匀及磨削用量参数选择不当是导致裂纹出现的主要原因。
Uneven components of quenched martensite and residual austenite structure and improper grinding parameter are attributed to the main causes for cracks.
为解决隧道式淬火炉炉温分布不均匀的问题，采用了高速调温烧嘴脉动燃烧控制技术。
In order to reach uniform temperature distribution in tunnel bogie hearth furnace, the technology of pulse firing control of high velocity burner with air diffusion is proposed.
本文是对铬钨锰钢进行碳化物细化处理和不均匀奥氏体淬火的试验研究结果。
This is the result on studying carbide refining treatment and non-uniform austenite quenching.
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