固溶处理对Al-58Cu-06Mg-06Ag-03Nd合金-中国有色金属学报.PDF

25 9 2015 9 Volume 25 Number 9 The Chinese Journal of Nonferrous Metals Sep. 2015 1004-0609(2015)-09-2326-09 Al-5.8Cu-0.6Mg-0.6Ag-0.3Nd 1, 2 1, 2 1, 2 1, 2 1, 2 1, 2 1, 2 (1. 410083 2. 410083) (OM)(SEM)(DSC) Al-5.8Cu-0.6Mg-0.6Ag-0.3Nd 510 525 530 525 2 h(525 2 h)+(185 7 h) 608 MPa587 MPa 10.4% Al-Cu-Mg-Ag-Nd TG166.3 A Effects of solution treatment on microstructures and mechanical properties of Al-5.8Cu-0.6Mg-0.6Ag-0.3Nd aluminum alloy TIAN Zhe1, 2, YI Dan-qing1, 2, LIU Hui-qun1, 2, WANG Bin1, 2, TU Xiao-xuan1, 2, JIANG Yong1, 2, TANG Cong1, 2 (1. School of Materials Science and Engineering, Central South University, Changsha 410083, China; 2. Key Laboratory of Nonferrous Metal Materials Science and Engineering, Ministry of Education, Central South University, Changsha 410083, China) Abstract: The effects of solution treatment on the microstructures and mechanical properties of new high-strength heat-resistant Al-5.8Cu-0.6Mg-0.6Ag-0.3Nd aluminum alloy were studied by OM, SEM, DSC and room temperature tensile test. The results show that, as the solution temperature increases from 510 to 525 , the primary phases dissolve in matrix. The amount of primary phase has no change with temperature increasing to 530 . But the size increase of the recrystallized particles gradually le