固溶处理对喷射沉积含镍高强Al-Zn-Mg-Cu合金-中国有色金属学报.PDF

19 12 2009 12 Vol.19 No.12 The Chinese Journal of Nonferrous Metals Dec. 2009 1004-0609(2009)12-2099-07 Al-Zn-Mg-Cu 1, 3 1 2 2 3 3 (1. 100083 2. 315103 3. 014010) Al-8.2Zn-2.2Mg-2.1Cu-0.14Zr-1.0Ni(%) (130 , 24 h)T6 1%Ni 15 µm Ni Al Ni Al Cu Ni MgNi ZnMg 3 2 7 4 2 Cu Ni 1%Ni-7055 (λ=3)(475 , 1.5 h)+(130 , 24 h)690 MPa 9.6%HB192 Al-Zn-Mg-Cu TG146.2 A Effects of solid-solution on microstructure and property of high strength spray deposited Al-Zn-Mg-Cu alloy modified by Ni 1, 3 1 2 2 3 3 LI Zhen-liang , XIE Jian-xin , CHEN Wei , ZHAI Jing , REN Hui-ping , WANG Yu-feng (1. School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China; 2. Ningbo Branch of China Academy of Ordnance Science, Ningbo 315103, China; 3. School of Material and Metallurgy, University of Science and Technology Inner Mongolia, Baotou 014010, China) Abstract: High strength Al-8.2Zn-2.2Mg-2.1Cu -0.14Zr-1.0Ni(mass fraction, %) alloys, which was produced by spraying deposition method(the Osprey process), were heat treated at different solid-solutions, and all the aging treatments were at 130 for 24 h. Microstructure characterization of the alloy was carried out by SEM, EDS and XRD, and the tensile properties of the alloy were tested. The res