What is obtained with the forging waste heat normalizing and controlled cooling technique is the coarse stable structure in a 20CrMnTi gear, but its cutability is good.
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美
释义
余热正火和常规的正火处理后,再经同样的工艺进行渗碳、淬火和回火处理,试验证明:其渗层和心部的组织、晶粒度及机械性能均相同。
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