先进材料疑固实验室 Unidirectional Solidification Laboratory of Advanced Materials Solidification 30r MAR M-200 30.000PS1 1800F M 20 CREEP STRAIN PERCENT Aero-engine 10 C 0 0 20 40 60 80 100 TIME HOURS FIGURE 10-16 Comparison of the creep properties at 18001:of conventional (C),directional (D),and monocrystal (M)Mar-M200.(From Versuyder and Shank.6) 上浒充通大学 SHANGHAI JIAO TONG UNIVERSITYAero-engine Unidirectional Solidification