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2. K465合金管材经标准热处理后的典型显微组织
(a) OM image (b) SEM-SE image of γ' precipitates in the dendrite core region
(c) SEM-BSE image of carbides in the interdendritic region (d) SEM-BSE image of grain boundary
Fig.2. Typical as-received microstructures of the K465 alloy tube after the standard heat treatment
