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Redistribution and re-precipitation of solute atom during retrogression and reaging of Al-Zn-Mg-Cu alloys NING Ai-lin(宁爱林)1, 2, LIU Zhi-yi(刘志义)1, PENG Bei-shan(彭北山)2, ZENG Su-min(曾苏民)1 1. School...; Abstract: The redistribution and re-precipitation of solute atom during retrogression and reaging of three different Al-Zn-Mg-Cu aluminum alloys were investigated. The results of hardness......
Effects of retrogression heating rate on microstructures and mechanical properties of aluminum alloy 7050 LI Guo-feng(李国锋), ZHANG Xin-ming(张新明), LI Peng-hui(李鹏辉), YOU Jiang-hai(游江海) School... 2009; accepted 10 November 2010 Abstract: The effects of the retrogression heating rate (340 ℃/min, 57 ℃/min, 4.3 ℃/min) on the microstructures and mechanical properties of aluminum alloy 7050 were......
Retrogression and re-aging treatment of Al-9.99%Zn-1.72%Cu-2.5%Mg-0.13%Zr aluminum alloy FENG Chun(冯 春)1, LIU Zhi-yi(刘志义)1, NING Ai-lin(宁爱林)1,2, LIU Yan-bin(刘延斌)1, ZENG Su-min(曾苏民)1 1. School... September 2005; accepted 6 January 2006 Abstract: The effect of retrogression and re-aging(RRA) heat treatment on the microstructure and mechanical properties of a low frequency electromagnetic casting......
Retrogression characteristics of a novel Al-Cu-Li-X alloyZhi-shan Yuan1,2), Zheng Lu2), Xiu-liang Wu2), You-hua Xie2), Sheng-long Dai2), and Chang-sheng Liu3) 1) Grikin Advanced Materials Co. Ltd... University, Shenyang 110004, China摘 要:Retrogression characteristics of a novel Al-Cu-Li-X alloy of 2A97 were studied by hardness testing, transmission electron......
Roman" w:st="on">{4 2 0} in Fig. 2(a). This indicates that GP zones and η′ particles predominate MPs at the dual- retrogression initial stage. After 30 min of dual- retrogression time... appear, as shown in Fig. 2(b), indicating that η phases have already formed. It agrees with the observation of SHA and CEREZO [12]. Further prolonging dual-retrogression time, diffraction spots......
延长,晶界无沉淀析出带略宽,同时晶界析出相逐渐粗大且不连续分布,进而提高了合金的抗晶间腐蚀性能. 关键词:7050铝合金;回归时间;力学性能;晶间腐蚀 中图分类号:TG 146.1 文献标示码:A Effect of retrogression time on intergranular corrosion... South University, Changsha, 410083, China; 2. School of Materials Science and Engineering, Central South University, Changsha 410083, China) Abstract: The effects of retrogression time......
Trans. Nonferrous Met. Soc. China 24(2014) 2122-2129 Non-isothermal retrogression kinetics for grain boundary precipitate of 7A55 aluminum alloy Di FENG1,2, Xin-ming ZHANG1,2, Sheng-dan LIU1,2, Ze... of Ministry of Education, Central South University, Changsha 410083, China Received 17 October 2013; accepted 16 April 2014 Abstract: The retrogression kinetics for grain boundary precipitate (GBP) of 7A55......
:A 文章编号:1672-7207(2012)07-2520-08 Influence of retrogression and re-aging treatment on intergranular and exfoliation corrosion of 1973 aluminum alloy GONG... of Nonferrous Metal Materials Science and Engineering, Ministry of Education, Central South University, Changsha 410083, China) Abstract: The influence of retrogression and re-aging treatment (RRA......
后下降至一谷值再增大.回归态合金的断裂韧性大于对应再时效态合金的断裂韧性.随着回归时间的延长,合金的断裂模式由沿晶断裂向穿晶韧窝断裂过渡. 关键词:7050铝合金;回归再时效;拉伸性能;断裂韧性 中图分类号:TG146.1 文献标志码:A1 Effects of retrogression and reaging on strength..., Changsha 410083, China) Abstract: The effects of retrogression and reaging (RRA) on the tensile property and fracture toughness of aluminum alloy 7050 were investigated by optical microscopy, scanning......
; 文献标志码:A Effect of retrogression cooling rate on mechanical properties and resistance to intergranular corrosion of 7050 aluminum alloy LI Guo-feng1, ZHANG Xin-ming2...) Abstract: The effects of retrogression cooling rate (17 ℃/s, 3 ℃/s and 0.02 ℃/s) on the mechanical properties and resistance to intergranular corrosion of 7050 aluminum alloy were investigated......