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LU Bo, ZHANG Xuan, LI Gang, JIN Tao. Steady-State Creep Behaviors and Corresponding Microstructures of New Nickel-Base Single Crystal Superalloy at Tempeoatures above 980 ℃[J]. Materials and Mechanical Engineering, 2012, 36(8): 69-71.
Citation: LU Bo, ZHANG Xuan, LI Gang, JIN Tao. Steady-State Creep Behaviors and Corresponding Microstructures of New Nickel-Base Single Crystal Superalloy at Tempeoatures above 980 ℃[J]. Materials and Mechanical Engineering, 2012, 36(8): 69-71.
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Steady-State Creep Behaviors and Corresponding Microstructures of New Nickel-Base Single Crystal Superalloy at Tempeoatures above 980 ℃

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  • Received Date: June 25, 2012
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  • The relationships between steady-state creep behavior and corresponding microstructure characterization of a new nickel-base single crystal superalloy under high temperature (＞980 ℃)creep conditions were studied. The results show that rafting microstructure was the main characterization of steady-state creep stage; shorter primary creep stage and higher dislocation network density were of benefit to the steady-state creep deformation.
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    • References (5)
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    POLLOCK T M, ARGON A S. Creep resistance of CMSX-3 nickel-base superalloy single-crystals [J].Acta Metall Mater, 1992, 40(1):1-30.
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    MA S, CARROLL L, POLLOCK T M. Development of gamma phase stacking faults during high temperature creep of ru-containing single crystal superalloys[J].Acta Mater, 2007, 55(17):5802-5812.
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    EPISHIN A, LINK T. Mechanisms of high temperature creep of nickel-base superalloys under low applied Stress[C]// Superalloy 2004. Champion, Pennsylvania:TMS, 2004:137-143.
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    ZHANG J X, WANG J C, HARADA H, et al. The effect of lattice misfit on the dislocation motion in superalloys during high-temperature low-stress creep[J].Acta Mater, 2005, 53(17):4623-4633.
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