通过化学气相渗透法(CVI)结合反应熔体浸渗法(RMI)制备了低成本、高性能的三维针刺C/SiC摩擦材料,并对材料的组织结构、拉伸行为以及拉伸后的微结构进行了分析和研究.结果表明,材料由C、Si以及SiC等三种物相组成,密度约为2.1g/cm3,开气孔率约为4.4%;材料的拉伸强度约为114 MPa～154 MPa,弹性模量约为40GPa～63GPa;具有类似于金属的"塑性",其增韧机理主要有纤维拔出、界面脱粘、裂纹偏转、纤维桥联以及裂纹分叉等.
参考文献
| [1] | Krenkel W .C/C-SiC composities for hot structure and advanced frictiion systems[J].Ceramic Engineering & Science Proceedings,2003,24(04):583-592. |
| [2] | Krenkel W .Design of ceramic brake pads and disks[J].Ceramic Engineering & Science Proceedings,2002,23(03):319-329. |
| [3] | 苏君明,杨军,肖志超,周绍建,彭志刚,辛建国,李睿,韩媚,赵胜利,谷立民.C/C复合材料飞机刹车盘的结构与性能[J].新型炭材料,2006(01):81-89. |
| [4] | Mühlratzer A;Leuchs M.Applications of Non-oxide CMCs[A].Munich,Germany,2001:288. |
| [5] | W. Krenkel;T. Henke .Design of High Performance CMC Brake Discs[J].Key engineering materials,1999(164/165):421-424. |
| [6] | Christopher Byrne;Zhiyuan Wang .Influence of thermal properties on friction performance of carbon composites[J].Carbon: An International Journal Sponsored by the American Carbon Society,2001(12):1789-1801. |
| [7] | 张立同,成来飞,徐永东.新型碳化硅陶瓷基复合材料的研究进展[J].航空制造技术,2003(01):24-32. |
| [8] | Krenkel W .Cost effective processing of CMC composites by melt infiltration (LSI-Process)[J].Ceramic Engineering and Science Proceedings,2001,22(03):443-454. |
| [9] | Xu Yongdong;Cheng Laifei;Zhang Litong .Carbon /silicon carbide composites prepared by chemical vapor infiltration combined with silicon melt infiltration[J].Carbon: An International Journal Sponsored by the American Carbon Society,1999(8):1179-1187. |
| [10] | Xu YD.;Cheng LF.;Yan DT.;Zhang LT. .Microstructure and mechanical properties of three-dimensional carbon/silicon carbide composites fabricated by chemical vapor infiltration[J].Carbon: An International Journal Sponsored by the American Carbon Society,1998(7/8):1051-1056. |
| [11] | 王林山,熊翔,肖鹏,闫志巧,张红波,刘根山.高温热处理对C/C-SiC复合材料制备与力学性能的影响[J].新型炭材料,2005(03):245-249. |
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