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本文总结了添加微量Mg、Zr对GH_(33)A合金涡轮盘性能的影响,发现该合金涡轮盘的持久性能明显提高,缺口敏感得以消除,热加工性能得到改善。
This paper summarizes the effects of adding trace amounts of Mg and Zr on the performance of GH_ (33) A alloy turbine disk and finds that the durability of the alloy disk is obviously improved, the notch sensitivity is eliminated and the hot workability is improved.