选用W7与W63两种SiC粉末,采用高、低温粘结剂配合,模压成型,850℃空气气氛低温多段烧结,制备出体积分数为65.13％的SiC预制件,真空压力浸渗6063A1合金熔液,得到SiCp/A1复合材料.结果表明:复合材料XRD图谱中未出现明显的Al4C3界面相和SiO2杂相；致密度高；100℃时的热膨胀系数为7.592×10 -6K-1;常温下热导率为172.68/W(m·K)-1；4mm×3mm×30mm规格样品的最大弯曲载荷为335.5N,弯曲位移为0.16mm左右；综合性能优良,是优异的电子封装材料.
参考文献
| [1] | 任淑彬,叶斌,曲选辉,何新波.复杂形状SiCp/Al复合材料零件的制备与性能[J].中国有色金属学报,2005(11):1722-1726. |
| [2] | C.Zweben .High performance thermal management materials[J].Electron Cooling,1999,5(02):36-42. |
| [3] | Suraj Rawal .Metal-Matrix Composites for Space Applications[J].JOM,2001(4):14-17. |
| [4] | K.A.Moores;Y K Joshi.High performance packaging materials and architectures for improved thermal managementof power electronics[J].Future Circuits Int,2001(07):45-49. |
| [5] | 龙乐.电子封装中的铝碳化硅及其应用[J].电子与封装,2006(06):16-20. |
| [6] | 关春龙,祁颖,王春华.SiCp/Al基复合材料制备工艺的优化[J].佛山陶瓷,2006(10):7-9. |
| [7] | 王杏,关荣锋,常海鸥,田大垒,刘树杰.空气气氛下无压渗透法制备SiCp/Al复合材料的研究[J].有色金属加工,2007(05):18-21. |
| [8] | Boq-Kong Hwu;Su-Jien Lin;Min-Ten Jahn .Effects of process parameters on the properties of squeeze-cast SiCp-6061A1 metal matrix composite[J].Materials Science and Engineering,1996,A207:135-141. |
| [9] | HYO S. LEE;KYUNG Y. JEON;HEE Y. KIM .Fabrication process and thermal properties of SiC_(p)/Al metal matrix composites for electronic packaging applications[J].Journal of Materials Science,2000(24):6231-6236. |
| [10] | Lee J C;Byun J N;Park S B et al.Prediction of Si content to suppress the formation of Al4 C3 in the SiCp/Al composite[J].Acta Materialia,1998,46(05):1771. |
| [11] | 王文明,潘复生,孙旭炜,曾苏民,Lu Yun.SiCp/Al复合材料界面反应研究现状[J].重庆大学学报(自然科学版),2004(03):108-113. |
| [12] | 郭建,沈宁福.SiC颗粒增强Al基复合材料中有害界面反应的控制[J].材料科学与工程,2002(04):605-608,600. |
| [13] | 喇培清,许广济,丁雨田.高体积分数粒子型铝基复合材料热膨胀性能的研究[J].复合材料学报,1998(02):0. |
| [14] | Hasselman D P;Lloyd F J .Effective thermal conductivity of composites with interfacial thermal barrier resistance[J].Journal of Composite Materials,1987,21(06):508. |
| [15] | Davis L C;Artz B E .Thermal conductivity of metal matrix com2posites[J].Journal of Applied Physics,1995,77(10):4954. |
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%