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University of Applied Sciences, Isparta, Turkey Received 4 June 2019; accepted 13 May 2020 Abstract: The use of a constrained groove pressing (CGP) method to plastically deform AA6063 aluminum alloy led... of CGP processing of AA6063 aluminum alloy on the corrosion behavior and its potential for enhancement of corrosion resistance. 2 Experimental AA6063 aluminum alloy in the form of the plate......
Effect of Temperature on Grain Size in AA6063 Aluminum Alloy Subjected to Repetitive Corrugation and StraighteningS.Balasivanandha Prabu,K.A.Padmanabhan摘 要:The influence of processing temperature on grain size reduction in AA 6063 aluminum alloy subjected to repetitive corrugation and straightening(RCS)is investigated in this work.The aluminum alloy......
Microstructure and mechanical properties of AA6063 aluminum alloy wire fabricated by friction stir back extrusion(FSBE) processGhasem Jamali,Salman Nourouzi,Roohollah JamaatiDepartment of Materials... for the fabrication of AA6063 aluminum alloy wire.Scanning electron microscopy(SEM) equipped with energy dispersive spectroscopy(EDS), tensile and hardness tests were performed.The FSBE via the rotational......
AA6063铝合金着色Zr无铬转化膜及其电化学性能陈廷益1,2,路文1,李文芳2,付业琦11. 贵州师范大学材料与建筑工程学院无机非金属功能材料重点实验室2. 华南理工大学材料科学与工程学院摘 要:以锆盐为主要原料,实现常温下对AA6063铝合金的无铬化学转化处理.采用SEM,XRD及电化学测试研究了转化膜的性能.结果表明:锆膜生长是以针状小单元结构组织成圆形较大的单元,再发展为均匀的黑灰色转化膜;锆膜厚约8.79μm,主要由KZrF3(OH)2·H2O及KZrF3O·2H2O组成;锆膜耐腐蚀性能比铝合金提高了数百倍,与铬酸盐转化膜相当;锆膜的耐腐蚀性能与后处理工艺有一定关系,膜层结构等效电路为R1+C2/R2+M3.关键词:AA6063铝合金;着色;锆转化膜;无铬化学转化;......
: friction stir welding (FSW); AA6063 alloy; HCP copper; material flow 1 Introduction Nowadays, the joining of dissimilar materials is widely used in industrial applications due to their technical...Trans. Nonferrous Met. Soc. China 25(2015) 2833-2846 Influence of welding parameters on material flow, mechanical property and intermetallic characterization of friction stir welded AA6063 to HCP......
AA6063铝合金表面激光熔覆TiC/Al3Ti复合涂层的耐腐蚀性能王国华,段艳丽,杨智成,何欢,符跃春广西大学材料科学与工程学院有色金属及材料加工新技术教育部重点实验室摘 要:为了提高AA6063铝合金的性能,采用激光熔覆技术在AA6063铝合金表面制备了TiC增强Al3Ti复合涂层,研究了激光熔覆层的成分,显微形貌和耐腐蚀性能.结果表明:激光熔覆层由树枝晶Al3Ti,枝晶间α-Al和均匀分布的TiC颗粒组成,涂层和基材为良好的冶金结合;与基材相比,激光熔覆层的耐腐蚀性能显著提高,且随着TiC含量的增加,熔覆层的耐腐蚀性能提高.关键词:激光熔覆;复合涂层;铝合金;Al3Ti;TiC;耐腐蚀性能;......
AA6063铝合金Zr黑灰色转化膜及其自修复性能陈廷益1,2,路文1,李文芳2,付业琦11. 贵州师范大学材料与建筑工程学院无机非金属功能材料重点实验室2. 华南理工大学材料科学与工程学院摘 要:在常温下实现了6063铝合金的无铬化学转化处理,处理液无需另外添加氧化剂而性能稳定,3 min内快速成膜,转化膜为黑灰色,解决了Zr转化膜的着色问题.通过SEM,XRD,XPS及电化学工作站分析表征锆转化膜.结果表明,膜层由Al,Al2O3,Al F3,KZr F3(OH)2·H2O及KZr F3O·2H2O组成,Zr转化膜耐腐蚀性能比铝合金提高了两个数量级;膜层具有双层结构,结构电路为R1+R2+C2/R2+M3.通过外加电源破坏该转化膜,发现Zr转化膜在自然环境及Na Cl溶液中可进行自我修复......
AA6063铝合金显微组织和拓朴学数据的挤压极限图M.P.Clode,谢世英摘 要:挤压极限可能与高温屈服应力有关,与表面有关,或与显微组织有关.表明,这些性能能充分简便地在挤压极限图范围内定量地表现出来.这种潜在金相工艺控制在2000,5000和7000系列的高强度结构合金中是很重要的.作者认为,本文报道的 AA6063是最普通的挤压合金.当机械性能也属于一个重要的条件,尤其是有表面缺陷,粘屑和挤压表面痕迹发生时,装饰性的外观代表了特殊的制品要求.采用 AA6063挤压试验中的试验数据,即压力条件,显微组织性能及表面缺陷,粘屑和挤压表面痕迹均可通过数学方程式表示其性能,从而,提出了极限图理论.本文介绍的极限图包括显微组织和拓朴学数据.关键词:......
The Strengthening of Cu-15Ni-8Sn Alloy WANG Ming-Pu1,WANG Yan-hui1,HONG Bin1 (1.School of Material Science and Engineering, Central South University, Changsha China) 摘要:The microstructure, property and relation between them of Cu-15Ni-8Sn alloy are studied by means of TEM and the measurement of hardness. The results show that γ '' metastable phase strengthens alloy because of its ordering......
The Technological Improvements of Aluminum Alloy Coloring by Electrolysis LI Nai-jun1 (1.Teachers College, Shenyang University, Shenyang 110015, P. R. China) 摘要:The technological process of coloring golden-tawny on aluminum alloy by electrolysis was improved in this paper. The optimum composition of electrolyte was found, the conditions of deposition and anodic oxidation by electrolysis were......