GH_(132)合金虽不具有持久缺口敏感性,但仍存在着低周疲劳的缺口敏感。蠕变/疲劳交互作用的断裂寿命曲线,无论是光滑还是缺口都具有一个最大值的“鼻子曲线”。在“鼻子”的上部合金存在缺口敏感性,而在“鼻子”的下部和“鼻子”区域,缺口试样寿命高于光滑试样寿命。本文提出涡轮盘材料的发展应在提高强度的同时,不断改善塑性,以达到“强韧化”的效果。 Although GH_ (132) alloy does not have the persistent notch sensitivity, it still has the notch sensitivity of low cycle fatigue. The fracture life curve of creep / fatigue interaction, with a maximum “nose curve” whether smooth or notched. There is notch sensitivity in the upper part of the “nose”, while in the lower part of the “nose” and in the “nose” region, the notched specimen has a longer lifetime than the smooth specimen. This paper proposes that the development of turbine disk materials should improve the strength at the same time, and constantly improve the plasticity, in order to achieve the “toughening” effect.