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, Birbilis N, Li C X, et al. Influence of retrogression temperature and time on the mechanical properties and exfoliation corrosion behavior of aluminium alloy AA7150[J]. Materials Characterization, 2009, 60... X M, Zhao Y S, et al. The effect of strain rate on the microstructure of 2519A aluminium alloy plate impacted at 573K[J]. Journal of Alloys and Compounds, 2009, 481(1/2): 422-426. [53] Li H Z, Wang H......
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aluminium alloy 1 Introduction Equal channel angular pressing (ECAP) is a severe plastic deformation technique capable of introducing severe plastic strain in bulk metals, leading to significant grain... and Engineering A, 2007, 459: 137-144. [7] Nagarajan D, Chakkingal U, Venugopal P. Influence of cold extrusion on the microstructure and mechanical properties of an aluminium alloy previously subjected to equal......
and that of the Cu-enriched surfaces of the SSM-HPDC alloys. Key words: semi-solid metal (SSM) forming; wrought aluminium alloys; alloy 7075; alloy 2024; corrosion; surface liquid segregation 1... cast aluminium alloy A356[J]. Solid State Phenomena,2008, 141/143: 433-438. [9] M?LLER H, CURLE U A, MASUKU E P. Characterization of surface liquid segregation in SSM-HPDC aluminium alloys 7075, 2024......
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between surface quality and mechanical properties of the part. A direct application is the evaluation of surface quality of thixoforged thin wall parts made of 7075 aluminium alloy. Key words: thixoforging; solid fraction; near-net-shaping; tooling; 7075 aluminium alloys 1 Introduction Most of the parts of wrought aluminium alloys are machined for small series production or forged......
I/A Series在石灰炉生产程控中的应用郭孟丽中国铝业山西分公司计控室 山西河津043300摘 要:I/A Series是一套成熟的开放型的工业系统,它有效解决了石灰炉生产过程的控制难题,对石灰炉生产过程全面协调和监控,是现代控制理论的具体应用.综述了I/A Series在5#石灰炉中的应用,介绍了石灰炉生产工艺流程和计算机系统的组成,系统功能,热工参数,电气参数的检测,设备的控制及状态监测,并对5#石灰炉的基本控制思路作了说明.关键词:石灰炉I/A Series生产过程;设备控制;状态监测;料位连锁;......
Effect of pre-aging on microstructure and properties of 2000 series aluminum alloy for automotive body sheets WANG Meng-jun(王孟君) 1, 2, HUANG Dian-yuan(黄电源)1, JIANG Hai-tao(姜海涛)1, REN Jie(任杰)1...″ phases are formed. The number of the θ″ phases grows, and the strength increases sharply during the paint-bake treatment. In contrast with the 6000 series aluminum alloy for automobile body sheets......
Fe-Cr-Y2O3 MICRO-CRYSTALLINE COATINGS DEPOSITED BY SERIES ELECTRO-PULSE DISCHARGE Q.Xu1,W.Gao2,Y.D.He1,Z.W.Li2,D.R.Wang1,H.B.Qi1 (1.Beijing Key Laboratory for Corrosion, Erosion and Surface Technology, University of Science and Tech-nology Beijing, Beijing 100083, China;2.Department of Chemical and Material Engineering, The University of Auckland, New Zealand) Abstract:A new technique - series......
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