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, 郑为为, 李龙飞, 冯强

Cooling Rate Driven Thin-Wall Effects on the Microstructures and Stress Rupture Properties of K465 Superalloy
GUO Xiaotong, ZHENG Weiwei, LI Longfei, FENG Qiang
表3 根据Thermo-Calc软件计算得到的K465合金管材在700~1400 ℃范围内二次相析出温度及质量分数
Table 3 Precipitation temperature ranges and mass fractions of secondary phases in the K465 alloy tube based on Thermo-Calc software between 700 ℃ and 1400 ℃
PhasePrecipitation temperature / ℃

Mass fraction at

900 ℃ / %

Mass fraction at

1000 ℃ / %

Mass fraction at

1050 ℃ / %

γ'<121363.656.446.9
MC>1013000.7
M6C843~11103.04.13.3
M23C6<10332.11.50
μ<866000