采用液相压力浸渍工艺制备出碳化硅颗粒(SiCp)和硅酸铝短纤维(Al2O3·SiO2f)混杂增强的镁基复合材料,研究了其机械与阻尼性能.发现镁基复合材料的强度与纯镁相比得到了显著的改善,而阻尼性能有所降低.并且2个弛豫内耗峰存在于复合材料试样中,出现在约150℃的峰Ⅰ不仅存在于纯镁试样中而且还存在于其复合材料试样中,认为其与位错的运动有关;出现在约250℃的峰Ⅱ仅存在于复合材料的试样中,分析认为是由于碳化硅颗粒与镁基体的界面滑移所致.
参考文献
| [1] | Lukác P;Trojanová Z;Riehemann W et al.[J].Materials Science Forum,1996,210-213:619. |
| [2] | Schaller R .[J].Journal of Alloys and Compounds,2003,355:131. |
| [3] | Mayencourt C.;Schaller R. .DEVELOPMENT OF A HIGH-DAMPING COMPOSITE - MG2SI/MG[J].Physica Status Solidi, A. Applied Research,1997(2):357-368. |
| [4] | GU Jin-hai;ZHANG Qing-xiao;GU Min .Effect of different heat treatment process on damping peak of 6061Al/SiC_p MMC produced by spray codeposition[J].Transactions of Nonferrous Metals Society of China,2002(5):960-965. |
| [5] | Gu Jinhai;Zhang Xiaonong;Gu Mingyuan .[J].Materials Letters,2004,58(12-13):1952. |
| [6] | Gu Jinhai;Zhang Xiaonong;Gu Mingyuan et al.[J].Journal of Alloys and Compounds,2004,372(1-2):304. |
| [7] | Zhang X N;Wu R J;Zhang D et al.[J].Scripta Materialia,1997,37(11):1631. |
| [8] | Granato A;Lücke K .[J].Journal of Applied Physics,1956,27(06):583. |
| [9] | Granato A;Lücke K .[J].Journal of Applied Physics,1956,27(07):789. |
| [10] | Fantozzi G;Esnouf C;Seyed S M et al.[J].Acta Materialia,1984,32(12):2175. |
| [11] | Nó M L;Oleaga A;Esnouf C et al.[J].Physica Status Solidi A,1990,120(02):419. |
| [12] | Nowick A S;Berry B S.Anelastic Relaxation in Crystalline Solids[M].New York:Academic Press,1972 |
| [13] | Lederman W A .The Damping Properties of Composite Materials[D].Milwaukee:The Univer-sity of Wisconsin,1991. |
| [14] | 张小龙 .金属基复合材料阻尼行为的研究[D].上海:上海交通大学,1997. |
| [15] | Hallstedt B;Liu Z K;Agren J .[J].Materials Science and Engineering A,1990,129(01):135. |
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