研究用粉末轧制方法制备的Mg-3%Al-1%Zn(质量分数)合金生带坯在氩气气氛下的烧结行为,用X射线衍射、差热分析以及金相方法等分析镁合金在烧结过程中的组织变化.结果表明:粉末轧制镁合金生带材可采用"预烧结-冷轧-再烧结"工艺进行烧结,即在氩气气氛下550℃预烧结120 min,然后进行大变形量的冷轧,最后在600℃下保温60 min实现烧结;通过再结晶、冷变形与烧结的耦合,获得的带材组织均匀,其相对密度达到97.5%.
参考文献
| [1] | FRIEDRICH H E;MORDIKE B L.Magnesium technology:Metallurgy,design data,applications[M].Springer-Verlag,2006 |
| [2] | MORDIKE B L;EBERT T .Magnesium properties-applications potential[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,2001,302:37-45. |
| [3] | Khin Sandar Tun;M. Gupta .Improving mechanical properties of magnesium using nano-yttria reinforcement and microwave assisted powder metallurgy method[J].Composites science and technology,2007(13):2657-2664. |
| [4] | 岳云龙,苏通,陶文宏,尹海燕.粉末冶金法制备SiC颗粒增强AZ81镁基复合材料性能研究[J].稀有金属材料与工程,2007(03):533-536. |
| [5] | W.L.E. Wong;M. Gupta .Development of Mg/Cu nanocomposites using microwave assisted rapid sintering[J].Composites science and technology,2007(7/8):1541-1552. |
| [6] | G. Garces;F. Dominguez;P. Perez .Effect of extrusion temperature on the microstructure and plastic deformation of PM-AZ92[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2006(1/2):293-298. |
| [7] | Wen Xie;Yue Liu;De Song Li .Influence of sintering routes to the mechanical properties of magnesium alloy and its composites produced by PM technique[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2007(1/2):162-166. |
| [8] | K. Nakashima;H. Iwasaki;T. Mori;M. Mabuchi;M. Nakamura;T. Asahina .Mechanical properties of a powder metallurgically processed Mg-5Y-6Re alloy[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2000(1/2):15-18. |
| [9] | DUBE R K .Metal strip via roll compaction and related powder metallurgy routs[J].International Materials Reviews,1990,35(05):253-291. |
| [10] | JIANG Hai,HE Xin-bo,QU Xuan-hui,I. S. HUMAIL,WANG Xi-tao.Preparation of AZ91 alloy by powder metallurgy method[J].中国有色金属学会会刊（英文版）,2006(z3):1855-1858. |
| [11] | Jinhai Gu;Xiaonong Zhang;Yongfu Qiu .Damping behaviors of magnesium matrix composites reinforced with Cu-coated and uncoated SiC particulates[J].Composites science and technology,2005(11/12):1736-1742. |
| [12] | K. Nishiyama;R. Matsui;Y. Ikeda .Damping properties of a sintered Mg-Cu-Mn alloy[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2003(1/2):22-25. |
| [13] | HUANG Guang-sheng;WANG Ling-yun;ZHANG Zhong-wei;HUANG Guang-jie PAN Fu-sheng .Manufacturing technique of magnesium alloy sheets by powder rolling[J].Materials Science Forum,2005,488/489:445-448. |
| [14] | BUSK R S.Magnesium products design[M].New York,USA:Marcel Dekker,Inc,1987 |
| [15] | Y.L. Xi;D.L. Chai;W.X. Zhang .Titanium Alloy Reinforced Magnesium Matrix Composite with Improved Mechanical Properties[J].Scripta materialia,2006(1):19-23. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%