ReTa对抗热腐蚀单晶高温合金900 ℃长期时效组织稳定性的影响
黄太文,卢晶,许瑶,王栋,张健,张家晨,张军,刘林

Effects of Rhenium and Tantalum on Microstructural Stability of Hot-Corrosion Resistant Single Crystal Superalloys Aged at 900 ℃
Taiwen HUANG,Jing LU,Yao XU,Dong WANG,Jian ZHANG,Jiachen ZHANG,Jun ZHANG,Lin LIU
表2 5种合金热处理后室温下的γγ′相的晶格常数和γ/γ′两相晶格错配度
Table 2 Lattice parameter of γ and γ′ phases and γ/γ′ misfit at room temperature of five alloys after standard heat treatment
Alloyaγ / nmaγ' / nmδ / %
2Ta2Re0.35800.35840.1087
5Ta0Re0.35780.35900.2956
5Ta2Re0.35900.3588-0.0730
8Ta0Re0.35790.35940.4210
8Ta2Re0.35980.3592-0.1521