航空发动机用粉末高温合金及制备技术研究进展

张国庆,张义文,郑亮,彭子超

Research Progress in Powder Metallurgy Superalloys and Manufacturing Technologies for Aero-Engine Application

Guoqing ZHANG,Yiwen ZHANG,Liang ZHENG,Zichao PENG

表1 欧美典型粉末高温合金成分[5,15,16]

Table 1 Chemical compositions of typical powder metallurgy superalloys[5,15,16] (mass fraction / %)

Generation Alloy Ni Co Cr Mo W Al Ti Nb Hf Ta C B Zr V Ref. 1st IN100 Bal. 18.5 12.5 3.2 - 5.0 4.3 - - - 0.07 0.02 0.04 0.75 [5] Merl76 Bal. 18.5 12.4 3.2 - 5.0 4.3 1.4 0.4 - 0.02 0.02 0.06 - [5] René95 Bal. 8.0 13.0 3.5 3.5 3.5 3.5 2.5 - - 0.07 0.01 0.05 - [5] LC Astroloy Bal. 17.0 15.0 5.0 - 4.0 3.5 - - - 0.04 0.025 0.04 - [5] Udimet 720 Bal. 14.7 16.0 3.0 1.25 2.5 5.0 - - - 0.015 0.018 0.038 - [5] 2nd René88DT Bal. 13.0 16.0 4.0 4.0 2.1 3.7 0.7 - - 0.03 0.015 0.03 - [5] N18 Bal. 15.5 11.5 6.5 - 4.3 4.3 - 0.5 - 0.02 0.015 - - [5] 3rd René104/ME3 Bal. 20.6 13.0 3.8 2.1 3.4 3.7 0.9 - 2.40 0.05 0.025 0.05 - [15] LSHR Bal. 20.8 12.7 2.7 4.4 3.5 3.5 1.5 - 1.7 0.024 0.028 0.049 - [15] Alloy10 Bal. 15.0 10.2 2.8 6.2 3.7 3.8 1.9 - 0.90 0.03 0.030 0.10 - [15] NR3 Bal. 14.7 11.8 3.3 - 3.7 5.5 - 0.33 - 0.024 0.013 0.052 - [15] RR1000 Bal. 18.5 15.0 5.0 - 3.0 3.6 - 0.5 2.00 0.027 0.015 0.06 - [16]