Effects of rejuvenation heat treatment on microstructure and creep property of a Ni-based single crystal superalloy

K.J. Tan, X.G. Wang, J.J. Liang, J. Meng, Y.Z. Zhou, X.F. Sun

Table 3 The composition of each region and precipitated phase (wt%).

Location Ni Co Cr W Ta Mo Re Al O Surface precipitate (H) 21.17 2.53 20.93 22.09 19.63 6.12 1.78 0.05 5.71 γ'-free layer (B) 64.27 7.90 8.68 4.79 10.41 1.17 1.93 0.84 — Transition layer (D) 68.87 8.92 8.12 5.64 2.26 1.77 2.85 1.59 — Interior (G) 61.73 10.19 7.78 8.35 5.42 0.92 2.91 2.70 — Inside precipitate (I) 25.52 2.04 11.01 25.13 20.16 7.20 8.91 0.01 —