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()
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图3. K465合金管材经不同热暴露处理后枝晶干γ'相的SEM-SE像
(a) 900 ℃, 1000 h (b) 1000 ℃, 1000 h (c) 1050 ℃, 300 h (d) 1050 ℃, 1000 h
Fig.3. SEM-SE images of γ' precipitates in the dendrite core regions of the K465 alloy tube after different thermal exposure conditions
