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(
)
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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10. K465合金管材经不同热暴露处理后在持久实验后近断口纵截面裂纹的SEM-BSE像
(a) 900 ℃, 500 h (b, c) 1000 ℃, 500 h
Fig.10. SEM-BSE images of the cracks at the longitudinal sections close to the fracture surface of stress rupture specimens in the K465 alloy tube after different thermal exposure conditions
