尹雪雁,于建民,张治民.Mg-13Gd-4Y-0. 5Zr 镁合金多向锻造组织和性能研究[J].精密成形工程,2014,6(6):68-71,93.
YIN Xue-yan,YU Jian-min,ZHANG Zhi-min.Microstructure and Performance of Mg-13Gd-4Y-0. 5Zr Magnesium Alloy under Multidirectional Forging[J].Journal of Netshape Forming Engineering,2014,6(6):68-71,93. |
| Mg-13Gd-4Y-0. 5Zr 镁合金多向锻造组织和性能研究 |
| Microstructure and Performance of Mg-13Gd-4Y-0. 5Zr Magnesium Alloy under Multidirectional Forging |
| 投稿时间：2014-10-10 修订日期：2014-11-10 |
| DOI：10.3969/j.issn.1674-6457.2014.06.010 |
| 中文关键词: Mg-13Gd-4Y-0. 5Zr 镁合金 多向锻造 硬度 组织演变 |
| 英文关键词: Mg-13Gd-4Y-0. 5Zr magnesium alloy multidirectional forging hardness microstructure evolution |
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| 中文摘要: |
| 由于锻坯的组织和力学性能对其后续成形过程具有重要的影响,研究锻坯的组织和力学性能均匀性具有重要实用价值。利用实验的方法,对比研究了Mg-13Gd-4Y-0. 5Zr 合金材料的三次多向锻造后的组织演变和力学性能的不同。实验结果表明:随着锻造次数的增加,动态再结晶明显,Mg-13Gd-4Y-0. 5Zr 镁合金晶粒逐渐细化,析出相逐渐增多;并且,随着锻造次数的增多,硬度变化呈小幅波动的趋势,且第一次多向锻造后的硬度最大。 |
| 英文摘要: |
| The microstructure and mechanical properties of forging stocks have important influences on the subsequent forming process, therefore the study on the uniformity of the microstructure and mechanical properties of forging stocks has important practical value. This paper compared and studied the microstructure evolution and mechanical properties of the alloy material Mg-13Gd-4Y-0. 5Zr after three times of multidirectional forging through experimental methods. The experimental results showed that along with the increasing number of forging, the Mg-13Gd-4Y-0. 5Zr magnesium grain would be gradually refined, and the precipitation phase gradually increased. In addition, along with the increasing number of forging, the hardness variation showed a trend with small fluctuations, and the maximum hardness was found after the first multidirectional forging. |
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