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Structure and properties of AZ31B magnesium alloy sheets processed by repeatedly unidirectional bending at different temperatures HUANG Guang-sheng(黄光胜)1, 2, SONG Bo(宋 波)1, 2, XU Wei(徐 伟)3, ZHANG... to the magnesium alloy sheet to improve the basal texture. The effect of RUB temperature on resulting structure and room temperature properties was investigated. The texture components of the sheet......
Cold stamping for AZ31B magnesium alloy sheet of cell phone house HUANG Guang-sheng(黄光胜)1, 2, ZHANG Lei(张 雷)1, 2, SONG Bo(宋 波)1, 2, PAN Fu-sheng(潘复生)1, 2 1. National Engineering Research Center...; accepted 30 January 2010 Abstract: Electric product house of magnesium alloy sheet is usually obtained by warm stamping owing to its poor plasticity and formability at room temperature. The formability......
plating treatment was applied on AZ91D magnesium alloy to improve its corrosion resistance. Optimum pretreatment conditions and optimum bath of electroless nickel plating for magnesium alloy were found... solution along with an enhancing hardness from Hv 450 to Hv 910. Key words: magnesium alloy; direct electroless Ni-P plating; amorphous; adhesive strength 1 Introduction Magnesium and its alloys......
Preparation and characterization of Ca-P coating on AZ31 magnesium alloy TAN Li-li(谭丽丽)1, WANG Qiang(王 强)1, 2, GENG Fang(耿 芳)1, XI Xiao-song(席小松)3, QIU Jian-hong(邱剑红)3, YANG Ke(杨 柯)1 1. Institute... be an effective way to improve the surface bioactivity of magnesium alloys. Key words: biodegradable magnesium alloy; β-TCP; chemical deposition; biocompatibility 1 Introduction Magnesium (Mg) alloys has......
High cycle fatigue properties of die-cast magnesium alloy AZ91D-1%MM XU Yu-lei(徐玉磊)1, ZHANG Kui(张 奎)1, LI Xing-gang(李兴刚)1, LEI Jian(雷 健)2, YANG Yuan-sheng(杨院生)3, LUO Tian-jiao(罗... properties of the die-cast magnesium alloy AZ91D containing 1% mischmetal (mass fraction) at a fatigue ratio of 0.1 were investigated. The difference in the microstructure between the skin and core region......
A novel dual nickel coating on AZ91D magnesium alloy SONG Ying-wei(宋影伟), SHAN Da-yong (单大勇), CHEN Rong-shi (陈容石), HAN En-hou(韩恩厚) State Key Laboratory for Corrosion... resistance. The experimental results indicate that the dual coating is uniform, compact and pore-free. The adhesion strength between magnesium alloy substrate and electroless plating Ni-P bottom layer......
Recrystallization behaviour of fine-grained magnesium alloy after hot deformation YANG Xu-yue(杨续跃)1, 2, H. Miura2, T. Sakai2 1. School of Materials Science and Engineering, Central South... of hot-deformed magnesium alloy AZ31 were studied at temperatures from 300 to 673 K by optical and SEM/EBSD metallographic observation. Temperature dependence of the average grain size(D) is categorized......
Article ID: 1003-6326(2005)03-0560-05 Structure evolution of AZ61 magnesium alloy in SIMA process YAN Hong(闫 洪), ZHANG Fa-yun(张发云), JIE Xiao-ping(揭小平) (School of Mechanical... magnesium alloy fabricated by strain-induced melt activation(SIMA) processing was investigated. The specimens were subjected under deformation ratios of 0%, 22% and 40% and various heat treatment time......
AZ80A镁合金的均匀化处理及扩散动力学欧阳杰1,李慧中1,2,3,姜俊1,梁霄鹏2,李轶11. 中南大学材料科学与工程学院2. 中南大学粉末冶金国家重点实验室3. 中南大学有色金属材料科学与工程教育部重点实验室摘 要:采用热分析仪,光学显微镜,X射线衍射仪,扫描电镜等,研究铸态AZ80A镁合金均匀化处理前后的显微组织,元素分布及相的演变规律,分析均匀化温度和时间对AZ80A镁合金组织的影响.以空位机制为基础,求出合金元素的扩散激活能,并建立均匀化动力学方程.结果表明:AZ80A铸态合金存在严重的枝晶偏析,晶界上有大量连续粗大的β-Mg17Al12共晶相;升高均匀化温度和延长均匀化时间都有利于非平衡相的溶解和合金元素的扩散,合金于430℃均匀化时发生过烧现象;AZ80A镁合金的适宜的均匀化工艺为410......
Twinning in weld HAZ of ZK21 commercial magnesium alloy LIU Jun-wei(刘俊伟), CHEN Ding(陈 鼎), CHEN Zhen-hua(陈振华) College of Materials Science and Engineering, Hunan University, Changsha 410082, China... to the welding direction. Key words: magnesium alloy; twinning; laser beam welding; microstructure  ......