固溶温度对GH4742合金力学性能及γ' 相的影响
秦鹤勇, 李振团, 赵光普, 张文云, 张晓敏

Effect of Solution Temperature on Mechanical Properties and γ' Phase of GH4742 Superalloy
QIN Heyong, LI Zhentuan, ZHAO Guangpu, ZHANG Wenyun, ZHANG Xiaomin
表3 不同工艺条件下γ'相的粒子尺寸、体积分数以及强化增量
Table 3 Size, volume fraction and strengthening increment of γ' phase under different process conditions

Strengthening

mechanism

1080 ℃1100 ℃1120 ℃
r / nmf / %Δσ / MPar / nmf / %Δσ / MPar / nmf / %Δσ/ MPa
γ'Orowan bypasing415.46.954.0864.52.715.0---
γ'Strong-coupling93.010.6218.0106.215.9251.1152.918.0224.0
γ'Strong-coupling15.819.5347.815.918.4345.915.919.0348.3
ΔσT572598572