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by Japan Steel Works. The microstructure from the AZ91D magnesium alloy chips to the thixomolded products was investigated. Melting behavior of the chips in thixomolding process was analyzed. The evolution... words: AZ91D magnesium alloy; thixomolding; chips; melting behavior
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Microstructure and properties of AZ91D magnesium alloy by solid-state recycling
JI Ze-sheng1, CHEN Xiao-yu1, HU Mao-liang1, S. Sumio2, YANG Xu-yue3
(1. School of Materials Science and Engineering...-Communications, Tokyo 182-8585, Japan)
Abstract: AZ91D magnesium alloy was prepared by hot extrusion of machined chips at 573, 623, 673 and 723K with an extrusion ratio of 11∶1, subsequently its......固相合成AZ91D镁合金的组织和性能
来源: 《中国有色金属学报2006年第12期》——吉泽升 陈晓瑜 胡茂良 S. Sumio 杨续跃
Trans. Nonferrous Met. Soc. China 23(2013) 909-915 Application of cyclic upsetting-extrusion to semi-solid processing of AZ91D magnesium alloy Jian-quan TAO1, Ju-fu JIANG2, Hong CHEN1, Yuan-lun XIAO1... of Technology, Harbin 150001, China Received 21 March 2012; accepted 15 October 2012 Abstract: The microstructural evolution of AZ91D magnesium alloy prepared by means of the cyclic upsetting-extrusion......
MgSO4·6H2O腐蚀产物的生成, 使表面膜失去保护作用, 加速镁合金的后期腐蚀. 关键词: SO2; 大气环境; AZ91D镁合金; 腐蚀 中图分类号: TG172.3 文献标识码: A Initial corrosion of AZ91D magnesium alloy in atmosphere containing SO2 LIN Cui1, LI Xiao-gang1, 2... layer for AZ91D magnesium alloy in SO2 industrial polluted atmosphere were analyzed by metallographic observation, SEM and XRD. The results show that corrosion rate increases with increasing SO2 content......
Rheo-diecasting of AZ91D magnesium alloyXU Juna,LIU Guojuna,ZHANG Shaominga,SHI Likaia,and FAN Zhongyunb a General Research Institute for Nonferrous Metals,Beijing100088,China b Brunel Centre... of an AZ91D magnesium alloy.The results of the RDC samples in as-cast state indicate that the microstructure of primary α-Mg particles has a fine size,nearly spherical morphology,and uniform distribution......
Trans. Nonferrous Met. Soc. China 22(2012) s68-s73 Solid-state recycling of AZ91D magnesium alloy chips HU Mao-liang1, 2, JI Ze-sheng1, CHEN Xiao-yu1, WANG Qu-dong2, DING Wen-jiang2 1. School..., Shanghai 200240, China Received 9 July 2012; accepted 8 August 2012 Abstract: A method for recycling AZ91D magnesium alloy chips by solid-state recycling was studied. The experiments were carried out......
Trans. Nonferrous Met. Soc. China 20(2010) s749-s753 Microstructure of AZ91D magnesium alloy semi-solid billets prepared by SIMA method from chips XU Hong-yu(许红雨), JI Ze-sheng(吉泽升), HU...: AZ91D magnesium alloy chips were adopted to prepare semi-solid billets. The chips were subjected to a series of isothermal treatments for various holding times at 783-843 K after being compressed......
:AZ91D镁合金; 孪晶; 高温压缩; 再结晶 中图分类号:TG 146.2 文献标识码:A Microstructure evolution of AZ91D magnesium alloy during high temperature compression LI Shu-bo1, ZOU Zhi-wen1, WU...) grains are nucleated at twin boundaries and twin intersections. Key words: AZ91D magnesium alloy; twins; high temperature compression; recrystallization  ......
magnesium alloy were investigated. The experimental results show that the remarkable microstructural refinement is achieved when the pulsed magnetic field is applied in the solidification of AZ91D... and spheroidization of dendrite arms. Key words: AZ91D magnesium alloy; grain refinement; pulsed magnetic field; solidified microstructure  ......
> distilled water with NaOH and KF. The AZ91D magnesium alloy samples and the stainless steel were used as the anode and cathode, respectively. Oxide coatings were produced at a constant voltage of 380 V... reproducibility. The data of EIS were fitted by software ZSimpWin 3.2. 3 Results and discussion As shown in Fig. 1, a ceramic coating with thickness of (25±2) μm was obtained on AZ91D magnesium alloy......