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J. Cent. South Univ. (2016) 23: 1301-1311 DOI: 10.1007/s11771-016-3180-3 Influence of welding speed on corrosion behaviour of friction stir welded AA5086 aluminium alloy Kamran Amini, Farhad Gharavi... aluminium alloy were joined together by friction stir welding at a fixed rotation speed of 1000 r/min various welding speeds ranging from 63 to 100 mm/min. Corrosion behavior of the parent alloy (PA......
Effect of homogenization treatment on microstructure and hot workability of high strength 7B04 aluminium alloy WANG Tao(王 涛)1, 2, YIN Zhi-min(尹志民)1, SUN Qiang(孙 强)2 1. School of Materials Science... treatment on microstructure, overburnt temperature and hot rolling plasticity of high strength 7B04 aluminium alloy were investigated. Under the condition of homogenization at 470 ℃, the starting melting......
. The material used in experiment is LF2M aluminum alloy tube, whose parameters are as follows: stiffness coefficient is 237 MPa, hardening index 0.263 4 and elastic modulus 55.67 GPa. Para- meters... Effect of frictions on cross section quality of thin-walled tube NC bending YANG He(杨 合), GU Rui-jie(谷瑞杰), ZHAN Mei(詹 梅), LI Heng(李 恒) College of Materials Science and Engineering, Northwest......
; Abstract: The mechanical properties of AZ31B magnesium alloy tube were tested by ring hoop tension test at different temperatures. The formability for tube hydroforming... the maximum value of 30% at 170 ℃, then decreases quickly at higher temperature. Key words: magnesium alloy tube; elongation; hydroformability; free-expansion test ......
J. Cent. South Univ. (2019) 26: 2930-2942 DOI: https://doi.org/10.1007/s11771-019-4225-1 Modified constitutive model and workability of 7055 aluminium alloy in hot plastic compression ZHANG Tao(张涛... 2019 Abstract: To obtain flow behavior and workability of 7055 aluminium alloy during hot deformation, hot compression tests at different temperatures and strain rates are conducted. True stress......
-walled tube NC bending process. In the study, a dynamic explicit FE model for aluminum alloy thin-walled tube NC bending process is developed to predict the wrinkling by using FE code ABAQUS/Explicit... to be the quantitative indexes to represent the critical point and wrinkling tendency. The experiment of aluminum alloy (5052 O) tube bending was carried out to verify whether the above wrinkle modes......
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Process design for multi-stage stretch forming of aluminium alloy aircraft skin HE De-hua(何德华), LI Xiao-qiang(李小强), LI Dong-sheng(李东升), YANG Wei-jun(杨伟俊) School of Mechanical Engineering... deformation, a multi-stage uniaxial tension test for 2B06 aluminium alloy sheet was carried out. A case study demonstrates that the approach has high reliability and good practicability. Key words......
Surface nanocrystallization of 7A04 aluminium alloy induced by circulation rolling plastic deformation YE Hui-qiong(叶惠琼), FAN Xin-min(樊新民) Department of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China Received 10 April 2006; accepted 25 April 2006 Abstract: The surface nanocrystalline microstructures of 7A04 aluminium alloy was obtained......
),hasbeen developed by laminating the vinylon/epoxy prepreg layers and the aluminium alloy sheetsalternatively.The mechanical properties of VIRALL laminate have been tested and the results are dis-cussed... of mixtures.Compared with the corresponding aluminium,VIRALL has lighter densityand lower price.VIRALL is hoped to be a partial substitute for the civil aluminium alloy in the future.关键词:......
