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,*()

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Fig. 1.. Experimental setup of tensile test and DIC observation systems, which consist of a tensile machine (RGM-4050), a heating furnace, a temperature controlling box, a camera with a standard 50 mm lens, a light source, a trigger collector, and a high-performance computer for acquiring images and performing post-processing procedures.