冷却速率导致的薄壁效应对K465合金显微组织和持久性能的影响
郭小童1,2, 郑为为1, 李龙飞1, 冯强1()
Cooling Rate Driven Thin-Wall Effects on the Microstructures and Stress Rupture Properties of K465 Superalloy
GUO Xiaotong1,2, ZHENG Weiwei1, LI Longfei1, FENG Qiang1()

图7. K465合金管材标准热处理态和经1000 ℃、1000 h热暴露后萃取碳化物粉末的XRD谱
(a) after the standard heat treatment (b) after thermal exposure at 1000 ℃ for 1000 h

Fig.7. XRD spectra of the extracted carbides in the K465 alloy tube