某发动机用GH4169合金涡轮轴转动锻件由轴部和盘部两部分组成，考虑采用两步锻造法进行生产。
A two-step forging approach was taken in the production of GH4169 turboshaft of an engine, which was an integration of a disk and a shaft.
研究了两类锻造工艺对航天用TC 4钛合金异形锻件的显微组织及拉伸性能的影响。
The influence of two abnormal forging processes on the microstructures and tensile properties of TC4 alloy is investigated.
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