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Improving Corrosion Resistance of Friction Stir Welding Joint of 7075 Aluminum Alloy by Micro-arc OxidationYue Yang,Leilei ZhouKey Laboratory of Advanced Structural Materials, Ministry of Education, Changchun University of Technology摘 要:An attempt has been made to improve the corrosion resistance of friction stir welded joints of 7075 aluminum alloys......
can be treated as porous material due to their similar physical property and deformation characteristics. Aiming at the CWR process of aluminum alloy 7075 workpiece, the numerical simulation model... is suggested to be 55%-65%, the stretching angle to be 8°-10°, and the forming angle to be 29°-32°. Key words: 7075 aluminum alloy; porous material; cross wedge rolling; internal void; relative density 1......
on mechanical and corrosion properties of 7075 aluminum alloy [J]. Transactions of Materials and Heat Treatment, 2002, 23(1): 50-53. (in Chinese) [11] MATHEW HALL B, MARTIN J W. The effect of retrogression... response of 7475 aluminum alloy [J]. Metals Technology, 1983, 10: 386-392. [13] AHMET A. Optimization of the strength and intergranular corrosion properties of the 7075 Al alloy by retrogression......
electromagnetic field on microstructures and macrosegregation of continuous casting 7075 aluminum alloy[J]. Mater Sci Eng A, 2003, 355: 325-330. [18] ZUO Yu-bo, CUI Jian-zhong, DONG Jie, YU Fu-xiao. Effect... Constituents evolution of LFEC 7050 aluminum alloy during processing ZUO Yu-bo(左玉波)1, WANG Shuang(王爽)2, ZHAO Zhi-hao(赵志浩)1, CUI Jian-zhong(崔建忠)1, ZHANG Hai-tao(张海涛)1, TU Gan-feng(涂赣峰)3 1. Key......
, Cr, and Cu and from precipitation hardening [1,7]. Aluminum alloy 7075 with about 6% Zn (mass fraction) is among the most widely used aluminum alloys in light- weight structures. Hot deformation..., Zhou J. A characterization for the dynamic recrystallization kinetics of as-extruded 7075 aluminum alloy based on true stress–strain curves [J]. Computational Materials Science, 2012, 55: 65-72. [18......
锻造方式对7075铝合金锻件动态再结晶的影响 周建1,张小明2,张廷杰2,周廉2,田锋2,马光来2 (1.东北大学,辽宁,沈阳,110004;2.西北有色金属研究院,陕西,西安,710016) 摘要:利用金相(OM),透射电镜(TEM)对7075铝合金热变形显微组织进行了观察.实验表明:在热锻条件下,7075铝合金完全可以发生动态再结晶并通过动态再结晶产生细小的再结晶晶粒.动态再结晶的方式为不连续动态再结晶,形核机制为亚晶转动,聚合形核;其临界应变值和加工道次有关,道次越多,临界值越低.在相同Z值下,再结晶晶粒尺寸随着应变的增加而减小.弥散的第二相粒子在动态再结晶过程中起了重要作用. 关键词:7075铝合金; 动态再结晶; 临界应变; 第二相粒子; [全文内容正在添加中] ......
Microstructure evolution and thixoforming behavior of 7075 aluminum alloy in the semi-solid state prepared by RAP methodJin-long Fu1,Kai-kun Wang1,Xiao-wei Li11. School of Materials Science...-solid 7075 aluminum alloy produced via the recrystallization and partial remelting(RAP) process were investigated. Samples of 7075 aluminum alloy were subjected to cold extrusion, and semi-solid......
Microstructure and mechanical properties of low frequency electromagnetic casting 7075 aluminum alloyGaosong WANG , Zhihao ZHAO, Jianzhong CUI and Qiang GUO Key Laboratory of Electromagnetic... electromagnetic casting (LFEC) 7075 aluminum alloys and investigates the effect of heat treatment process on its mechanical properties via the mechanical properties test, X-ray diffraction and transmission......
alloy 7075 [J]. Materials Science and Technology, 2001, 9(1): 37-41. [12] ZENG Wei-min, JIN Shi. The electrochemical behaviors of aluminum alloy during stress corrosion cracking [J]. Journal of Materials... of Aeronautics and Astronautics, 2002, 34(3): 235-239. [16] LIU Ji-hua, LI Di, LIU Pei-ying. Effect of ageing and retrogression treatments on mechanical and corrosion properties of 7075 aluminum alloy [J......
, 2005, 32: 35-64. [8] LEE W S, SUE W C, LIN C F, WU C J. Strain rate and temperature dependence of the dynamic impact properties of 7075 aluminum alloy [J]. Journal of Materials Processing Technology... Dynamic property evaluation of aluminum alloy 2519A by split Hopkinson pressure bar ZHANG Xin-ming(张新明), LI Hui-jie(李惠杰), LI Hui-zhong(李慧中), GAO Hui(高 慧), GAO Zhi-guo(高志国), LIU Ying(刘 瑛), LIU Bo......
