| AZ91D镁合金流变铸轧板材微观组织分析 |
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| 引用本文： | 张莹,赵海波,谢水生,耿茂鹏,郭洪民,徐金华.AZ91D镁合金流变铸轧板材微观组织分析[J].兵器材料科学与工程,2009,32(4). |
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| 作者姓名： | 张莹 赵海波 谢水生 耿茂鹏 郭洪民 徐金华 |
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| 作者单位： | 南昌大学,机电学院,江西,南昌,330029;北京有色金属研究总院,北京,100088 |
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| 基金项目： | 2007年度国家自然科学基金(编号为No.50674017);;2009年度国家自然科学基金(编号为No.50804023);;2008年度江西省教育厅高校科技项目(GJJ08009号) |
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| 摘 要： | 采用自行研制的镁合金半固态流变铸轧机,利用斜槽法制浆技术进行AZ91D镁合金半固态板材加工实验;采用扫描电镜(SEM)、"Image-Pro Plus"图像分析软件、能谱分析仪(EDS)、对板材试样进行微观组织分析。结果表明,半固态AZ91D镁合金板材的微观组织由近似球形的等轴初生α-Mg晶粒及晶粒周围黑色部分的条状物β-Mg17Al12共晶组织所组成。
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| 关 键 词： | 镁合金 半固态 流变铸轧 微观组织 |
Analysis on microstructure of rheoroll-casting semi-solid AZ91D magnesium alloy |
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| ZHANG Ying,ZHAO Haibo,XIE Shuisheng,GENG Maopeng,GUO Hongmin,XU Jinhua.Analysis on microstructure of rheoroll-casting semi-solid AZ91D magnesium alloy[J].Ordnance Material Science and Engineering,2009,32(4). |
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| Authors: | ZHANG Ying ZHAO Haibo XIE Shuisheng GENG Maopeng GUO Hongmin XU Jinhua |
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| Affiliation: | 1.Mechanical and Electrical College;Nanchang University;Nanchang 330031;China;2.General Research Institute for Non-ferrous Metals;Beijing 100088;China |
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| Abstract: | Experiments on production of semi-solid AZ91D magnesium alloy strips were made by self-made roll-casting machine of semi-solid magnesium alloy and cooling-slope method of making semi-solid magnesium alloy slurry. The microstructures of the samples were analyzed by SEM, image processing software Image-Pro Plus and EDS. The results show that the microstructure of semi-solid AZ91D magnesium alloy strips consists of equiaxed a-Mg grain and eutectic structure β-Mg_(17)Al_(12)-the black strips around the grain. |
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| Keywords: | magnesium alloy semi-solid rheoroll-casting microstructure |
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