Effects of rejuvenation heat treatment on microstructure and creep property of a Ni-based single crystal superalloy
K.J. Tana,b, X.G. Wanga,*(), J.J. Lianga, J. Menga,*(), Y.Z. Zhoua, X.F. Suna

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Fig. 4.. The interior microstructures of the sample A (a, b) and the sample B (c, d) before RHT.