一种第三代单晶高温合金的组织稳定性与持久性能

刘金来, 孙晶霞, 孟杰, 李金国

Microstructural Stability and Stress Rupture Properties of a Third-Generation Ni Base Single Crystal Supalloy

LIU Jinlai, SUN Jingxia, MENG Jie, LI Jinguo

表1 Al和Re含量分别降低0.4%时合金中各组成相的含量与初始成分的对比 (%)

Table 1 Volume fractions of each constitutional phase in alloys with original composition and respective content reduction 0.4%Al and 0.4%Re

Alloy γ' phase γ phase μ phase Original composition 58.28 35.91 5.80 Al content reduction 0.4% 52.25 42.89 4.86 Re content reduction 0.4% 58.25 36.60 5.15