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evolution of magnesium alloy AZ91D prepared by electric current pulse discharge during partial remelting ZHOU Quan, YANG Yuan-sheng, TANG Jun-li, HU Zhuang-qi (Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China) Abstract: The non-dendritic semi-solid magnesium alloy AZ91D is prepared by reheating the AZ91D alloy treated by low-voltage electric current pulse......
mechanism of magnesium alloy in the fluoride solution are investigated in detail. 2 Experimental The substrate material used was ingot-cast AZ91D alloy. The chemical composition of the alloy is given... Chemical composition of AZ91D (mass fraction, %) According to the mass change of specimens, the chemical reaction mechanism of magnesium alloy in different concentration HF solutions was studied......
interface. The electrochemical tests show that both P-film and Si-film can enhance the corrosion resistance of AZ91D magnesium alloy significantly. The corrosion failure process of the two films in 5...Electrochemical performance of microarc oxidation films formed on AZ91D alloy in two group electrolytes WANG Li-shi(王立世), CAI Qi-zhou(蔡启舟) , WEI Bo-kang(魏伯康), LIU Quan-xin(刘全心) (State Key......
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-qin, DING Wen-jiang. The influence of heat treatment on damping response of AZ91D magnesium alloy [J]. Materials Science and Engineering A, 2005, 392: 150-155. [15] WAN Di-qing, WANG Jin-cheng, WANG... Influence of impurities on damping properties of ZK60 magnesium alloy CHEN Xian-hua(陈先华)1, 2, MAO Jian-jun(毛建军)1, PAN Fu-sheng(潘复生)2, PENG Jian(彭 建)1, 2, WANG Jing-feng(王敬丰)1, 2 1. College......
oxidation (MAO) coatings on AZ91D magnesium alloy were investigated in silicate electrolyte. The results show that with increasing extent of voltage, both of the thickness and bonding force of MAO coatings... for the micro-arc oxidation are abrasive wear and micromachining wear. These are related to their microstructures. Key words: AZ91D magnesium alloy; micro-arc oxidation; increase extent; corrosion resistance......
spherical microstructures, providing evidences for a new rheoforming processing of magnesium alloys.2 Experimental The experimental materials are the AZ91D alloy and alternatives. The alternatives... Influences of melt treatment on grain sizes and morphologies of AZ91D alloy QI Xiang-chao(齐祥超)1, TANG Jing-lin(唐靖林)1, 2, LI Shuang-shou(李双寿)1, 2, ZENG Da-ben(曾大本)1 1. Department of Mechanical......
Optimization of processing parameters for rheo-casting AZ91D magnesium alloy WANG Ya-bao(王亚宝), XU Jun(徐 骏), YANG Bi-cheng(杨必成), ZHANG Zhi-feng(张志峰) General Research Institute... magnesium alloy AZ91D. 2) The optimized rheo-casting processing parameters are determined to 650 ℃ for pouring temperature, 585 ℃ for shearing temperature, 40 s for shearing time and 600 r/min for shearing......
Structure and Corrosion Resistance of Microarc Oxidation Coatings on AZ91D Magnesium Alloy Li Weijing1,Han Jianmin1,CUI Shihai1,Zhu Xiaowen1,Wang Jinhua1,LI Ronghua1 (1.School of Mechanical.... Micro-arc oxidation with painting process is a good kind of surface treatment to improve the corrosion resistance of mobile phone shell made of AZ91D magnesium alloys. Key words:magnesium alloy; micro......
by the reduction of interfacial energy, will inevitably and continuously occur with the extension of heating and holding. Key words: AZ91D magnesium alloy; deformation; isothermal holding; microstructure.... Semisolid metal processing [J]. Int Mater Rev, 2002, 47(2): 49-85. [4] ZHANG Y F, LIU Y B, CAO Z Y, ZHANG Q Q, ZHANG L. Mechanical properties of thixomolded AZ91D magnesium alloy [J]. J Mater Process......