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《Special Casting & Nonferrous Alloys》 2003-05
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Effects of Yttrium and Mischmetal on Microstructure and Mechanical Properties of Mg-Al-Zn Alloy

Liu Hongwei Luo Chengping Liu Jiangwen (South China University of Technology, Guangzhou, China)  
The effects of yttrium and mischmetal on the microstructures, ageing behavior and tensile property of the Mg-Al-Zn alloy with various Al/Zn ratios were investigated. The whole as cast microstructures of the alloy were refined and RE containing Al phase was formed with RE addition. The ageing peak value was slightly raised. The time of generation of the ageing peak value was delayed owning to the addition of the yttrium and mischmetal. The tensile property of the alloy at ambient temperature was improved also.
【Fund】: 国家自然科学基金项目 (50 1 71 0 2 7);; 广东省自然科学基金重点项目 (0 1 30 0 5)
【CateGory Index】: TG146
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