热力耦合对一种第四代镍基单晶高温合金1100℃蠕变组织演变的影响
徐静辉1, 李龙飞1(), 刘心刚2, 李辉2, 冯强1
Thermal-Stress Coupling Effect on Microstructure Evolution of a Fourth-Generation Nickel-Based Single-Crystal Superalloy at 1100oC
XU Jinghui1, LI Longfei1(), LIU Xingang2, LI Hui2, FENG Qiang1

图7. 镍基单晶高温合金在1100℃、不同应力状态下蠕变200 h后的典型界面位错组态及位错网间距

Fig.7. Typical dislocation configurations of the nickel-based single-crystal superalloy after creep for 200 h at 1100oC and 43 MPa (a), 54 MPa (b), 71 MPa (c), and 96 MPa (d), and interfacial dislocation space (e)