Experimental investigation of a Portevin-Le Chatelier band in Ni‒Co-based superalloys in relation to γʹ precipitates at 500 ℃
Yanke Liua, Yulong Caia, Chenggang Tianb, Guoliang Zhangb, Guoming Hanc, Shihua Fua,d, Chuanyong Cuib,*(), Qingchuan Zhanga,*()

.

Fig. 5.. Engineering stress-strain curves of the 5% and 30 % γ′ alloys. The insets show the distributions of the serration amplitude, which indicate the peak-shaped distribution.