对采用熔体发泡法制备的泡沫5%(体积分数,下同)SiCp/ZL104复合材料进行了准静态和动态压缩性能的测试和分析.结果表明:无论是动态下压缩还是准静态下压缩,泡沫5%SiCp/ZL104复合材料的应力-应变曲线都呈现出典型的3个阶段:线弹性段、平台段和致密段;屈服应力对应变率很敏感,使得应变率增加时,屈服应力增加,且有应变硬化现象发生;随着相对密度的增大,泡沫5%SiCp/ZL104复合材料的动态屈服应力和流动应力与准静态载荷相比显著增加.
参考文献
| [1] | Wang D Q;Shi Z Y .[J].Materials Science and Engineering A,2003,361(1-2):45. |
| [2] | Antonio F;Lorenzo L;Arve G H et al.[J].Advances in Engineering Materials,2000,2(04):200. |
| [3] | Dannemann K A;James J L .[J].Material Science and Enginee-ring A,2000,293(1-2):157. |
| [4] | Mukai T;Kanahashi H;Miyoshi T et al.[J].Scripta Materialia,1999,40(08):921. |
| [5] | Luo Yanru;Yu Sirong;Li Wen et al.[J].Journal of Alloys and Compounds,2008,460(1-2):294. |
| [6] | Gibson L J;Ashby M F.Cellular Solids,Structure and Properties[M].Cambridge:Cambridge University Press,1997:205. |
| [7] | Mukai T;Miyoshi T;Nakano S et al.[J].Scripta Materialia,2006,54(04):533. |
| [8] | Ashby M F;Medalist R F .[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1983,14A(09):1755. |
| [9] | C. SAN MARCHI;A. MORTENSEN .DEFORMATION OF OPEN-CELL ALUMINUM FOAM[J].Acta materialia,2001(19):3959-3969. |
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