利用动态机械热分析仪研究了四种镁硅合金的阻尼性能.研究表明:铸造镁硅合金具有良好的阻尼性能.并且体现出有别于纯镁的新阻尼特征,铸造镁硅合金具有较纯镁在更大应变振幅范围内的弛豫型内耗.由于Mg2 Si对晶界的钉扎作用,界面阻尼峰出现在较纯镁更高的温度.少量钙的添加改善了Mg2 Si析出的形态,但对阻尼性能的影响似乎不明显.
参考文献
| [1] | RCHOV S E;RIEHEMANN W;ABOR P G et al.Damping capacity of sand cast magnesium alloys AZ91[J].Journal of Materials Science and Technology,2002,18(02):1012-1017. |
| [2] | ZHANG X N .Effect of reinforcements and damping capacity of pure magnesium[J].Journal of Materials Science Letters,2003,22(07):503-505. |
| [3] | 马春江,张荻,覃继宁,丁文江.Mg-Li-Al合金阻尼性能的研究[J].材料工程,2001(05):12-14. |
| [4] | 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. |
| [5] | R. Schaller .Metal matrix composites, a smart choice for high damping materials[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2003(1/2):131-135. |
| [6] | Bamberger M. .Structural refinement of cast magnesium alloys [Review][J].Materials Science and Technology: MST: A publication of the Institute of Metals,2001(1):15-24. |
| [7] | Ma Qian;D. H. StJohn;M. T. Frost .Characteristic zirconium-rich coring structures in Mg-Zr alloys[J].Scripta materialia,2002(9):649-654. |
| [8] | 哈宽富.金属力学性质的微观理论[M].北京:科学出版社,1983 |
| [9] | Hiroyuki Watanable;Toshiji Mukai;Masami Sugioka;Koichi Ishikawa .Elastic and damping properties form room temperature to 673Kin an AZ31 magnesium alloy[J].Seripta Materialia,2004,51(05):291-295. |
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%