| MICROSTRUCTURE AND MECHANICAL PROPERTIES OF AZ91D EXTRUDED TUBE |
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| 作者姓名： | B.Y. Yu C.L. Bao H.W. Song Z. Liu H.P. Yu |
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| 作者单位： | School of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110023, China |
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| 基金项目： | 辽宁省高科技研究发展计划 |
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| 摘 要： | The effect of extrusion ratio on microstruetures and mechanical properties of magnesium alloy AZ91D extruded tube at 430℃ has been studied. After the evolution of microstracture and mechanical properties of AZ91D during extrusion were studied, the following parameters were obtained： tensile strength reached the climax value of 306.9MPa and elongation peak value of 10.1% at an extrusion ratio of 7.125, and with the increase of the extrusion ratio to 7.45, yield strength reached a top value of 285.795MPa with decreased tensile strength and elongation. It was concluded that mechanical properties of magnesium alloys AZ91D could be enhanced by adjusting the extrusion ratio near recrystallization.
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| 关 键 词： | 镁合金 管材 显微结构 拉伸性能 |
| 收稿时间： | 2005-10-08 |
| 修稿时间： | 2006-03-29 |
MICROSTRUCTURE AND MECHANICAL PROPERTIES OF AZ91D EXTRUDED TUBE |
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| B.Y. Yu C.L. Bao H.W. Song Z. Liu H.P. Yu.MICROSTRUCTURE AND MECHANICAL PROPERTIES OF AZ91D EXTRUDED TUBE[J].Acta Metallurgica Sinica(English Letters),2006,19(3):203-208. |
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| Authors: | BY Yu CL Bao HW Song Z Liu HP Yu |
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| Affiliation: | School of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110023, China |
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| Abstract: | The effect of extrusion ratio on microstructures and mechanical properties of magnesium alloy AZ91D extruded tube at 430℃ has been studied. After the evolution of microstructure and mechanical properties of AZ91D during extrusion were studied, the following parameters were obtained: tensile strength reached the climax value of 306.9MPa and elongation peak value of10.1% at an extrusion ratio of 7.125, and with the increase of the extrusion ratio to 7.45, yield strength reached a top value of 285.795MPa with decreased tensile strength and elongation. It was concluded that mechanical properties of magnesium alloys AZ91D could be enhanced by adjusting the extrusion ratio near recrystallization. |
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| Keywords: | magnesium tube microstructure tensile property |
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