| 等径角挤压制备AZ91D镁合金的组织与性能 |
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| 引用本文： | 朱世凤,王艳彬,陈嫚丽,赵志翔. 等径角挤压制备AZ91D镁合金的组织与性能[J]. 精密成形工程, 2011, 3(3): 1-4,9 |
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| 作者姓名： | 朱世凤 王艳彬 陈嫚丽 赵志翔 |
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| 作者单位： | 国防科技工业精密塑性成形研究应用中心,重庆,400039;中国兵器工业第五九研究所,重庆,400039 |
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| 摘 要： | 研究了铸态AZ91D镁合金在等径角挤压(Equal Channel Angular Extrusion,ECAE)后的室温力学性能和微观组织特征.在力学性能方面,铸态AZ91D镁合金经过1道次ECAE变形后,室温力学性能(屈服强度、抗拉强度、延伸率、弹性模量)由86.3 MPa,146.3 MPa,1.84%,42.5...
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| 关 键 词： | 等径道角挤压 铸态镁合金 力学性能 微观组织 |
| 收稿时间： | 2011-01-17 |
| 修稿时间： | 2011-05-10 |
Microstructure and Mechanical Properties Evolution of Cast Magnesium Alloy AZ91D after Equal Channel Angular Extrusion |
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| ZHU Shi-feng,WANG Yan-bin,CHEN Man-li and ZHAO Zhi-xiang. Microstructure and Mechanical Properties Evolution of Cast Magnesium Alloy AZ91D after Equal Channel Angular Extrusion[J]. Journal of Netshape Forming Engineering, 2011, 3(3): 1-4,9 |
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| Authors: | ZHU Shi-feng WANG Yan-bin CHEN Man-li ZHAO Zhi-xiang |
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| Affiliation: | ZHU Shi-feng1,2,WANG Yan-bin1,CHEN Man-li1,ZHAO Zhi-xiang1,2(1.National Defence Research and Application Center of Precision Plastic Forming Technology,Chongqing 400039,China,2.No.59 Research Institute of China Ordnance Industry,China) |
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| Abstract: | This paper demonstrates the effect of equal channel angular extrusion(ECAE) process on the microstructure and mechanical properties of cast magnesium alloy AZ91D.In terms of mechanical properties,the yield strength,ultimate strength,elongation rate,and elastic modula of AZ91D were increased from 86.3 MPa,146.3 MPa,1.84%,and 42.5 GPa to 144.1 MPa,222.8 MPa,15.15%,and 47.7 GPa after one ECAE pass,and to 109.1 MPa,268.3 MPa,25.48%,and 48.9 GPa after two ECAE passes at room temperature.In terms of microstructur... |
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| Keywords: | equal channel angular extrusion cast magnesium alloy mechanical properties microstructure |
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