The Portevin-Le Châtelier (PLC) effect is a plastic instability in alloys at certain strain rates and deformation temperatures. This plastic instability exhibits serrated yielding in the temporal domain and strain localization in the spatial domain. Wrought Ni-based superalloys often exhibit the PLC effect. To guarantee the safe and stable operation of equipment, it is important to study the PLC effect in wrought Ni-based superalloys. This paper provides a review of various experimental phenomena and micromechanisms related to the PLC effect in wrought Ni-based superalloys, which have been reported in various publications in recent years and include work from our own group. The influences of stacking fault energy and γ′ precipitates on the PLC effect in wrought Ni-based superalloys are also discussed in detail. Additionally, several suggestions for the future study of the PLC effect in wrought Ni-based superalloys are provided.

Portevin-LeChâtelier（PLC）效应是合金在某些应变速率和变形温度下的塑性不稳定性。这种塑性不稳定性在时域表现出锯齿状屈服，而在空间域表现出应变局部化。镍基高温合金通常表现出PLC效应。为了保证设备的安全和稳定运行，研究变形镍基高温合金的PLC效果非常重要。本文提供了与变形镍基高温合金中PLC效应有关的各种实验现象和微观机制的综述，近年来在各种出版物中已有报道，其中包括我们小组的工作。还详细讨论了堆垛层错能和γ'析出物对变形Ni基高温合金的PLC效应的影响。另外，