采用高温盐浴法对金刚石表面进行镀钛处理来改善金刚石和铝基之间的界面结合,镀钛后的金刚石颗粒表面略显粗糙,表面的镀层均匀;采用真空热压烧结法制备高导热金刚石/铝复合材料,研究了金刚石表面镀钛对复合材料显微组织、热膨胀系数和热导率的影响.结果表明:金刚石表面的钛镀层改善了金刚石各晶面与铝基体的结合状态,增加了金刚石和铝之间的界面结合强度;当铝基体在镀钛金刚石颗粒形成的骨架结构中膨胀时,可以被骨架很好的约束,从而降低了复合材料的热膨胀系数;金刚石表面钛镀层减少了复合材料的孔洞,增加了致密度,从而提高了复合材料的热导率.
参考文献
| [1] | Carl Zweben.Thermal Materials Solve Power Electronics Challenges[J].Power Electronics Technology,20062(2):40-47. |
| [2] | I.E. Monje;E. Louis;J.M. Molina.Optimizing thermal conductivity in gas-pressure infiltrated aluminum/diamond composites by precise processing control[J].Composites, Part A. Applied science and manufacturing,2013:9-14. |
| [3] | 童震松;沈卓身.金属封装材料的现状及发展[J].电子与封装,2005(3):6-15. |
| [4] | 项东;李木森;许斌;刘科高.镀覆金刚石技术的研究进展[J].超硬材料工程,2006(03):44-49. |
| [5] | Ke Chu;Zhaofang Liu;Chengchang Jia.Thermal conductivity of SPS consolidated Cu/diamond composites with Cr-coated diamond particles[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,20101/2(1/2):453-458. |
| [6] | Kiyoshi Mizuuchi;Kanryu Inoue;Yasuyuki Agari;Yoshiaki Morisada;Masami Sugioka;Motohiro Tanaka;Takashi Takeuchi;Jun-ichi Tani;Masakazu Kawahara;Yukio Makino.Processing of diamond particle dispersed aluminum matrix composites in continuous solid-liquid co-existent state by SPS and their thermal properties[J].Composites, Part B. Engineering,20114(4):825-831. |
| [7] | P.W. Ruch;O. Beffort;S. Kleiner.Selective interfacial bonding in Al(Si)-diamond composites and its effect on thermal conductivity[J].Composites science and technology,200615(15):2677-2685. |
| [8] | Zhanqiu Tan;Zhiqiang Li;Genlian Fan;Qiang Guo;Xizhou Kai;Gang Ji;Lanting Zhang;Di Zhang.Enhanced thermal conductivity in diamond/aluminum composites with a tungsten interface nanolayer[J].Materials & design,2013May(May):160-166. |
| [9] | Wulin Yang;Kun Peng;Jiajun Zhu.Enhanced thermal conductivity and stability of diamond/aluminum composite by introduction of carbide interface layer[J].Diamond and Related Materials,2014:35-41. |
| [10] | Y. Zhang;H.L. Zhang;J.H. Wu.Enhanced thermal conductivity in copper matrix composites reinforced with titanium-coated diamond particles[J].Scripta materialia,201112(12):1097-1100. |
| [11] | Shubin Ren;Xiaoyu Shen;Caiyu Guo;Nan Liu;Jianbing Zang;Xinbo He;Xuanhui Qu.Effect of coating on the microstructure and thermal conductivities of diamond-Cu composites prepared by powder metallurgy[J].Composites science and technology,201113(13):1550-1555. |
| [12] | YANG Bo;YU Jia-kang;CHEN Chuang.Microstructure and thermal expansion of Ti coated diamond/Al composites[J].中国有色金属学报（英文版）,2009(05):1167-1173. |
| [13] | Haibo Hu;Jian Kong.Improved Thermal Performance of Diamond-Copper Composites with Boron Carbide Coating[J].Journal of Materials Engineering and Performance,20142(2):651-657. |
| [14] | Abyzov, Andrey M.;Kidalov, SV;Shakhov, FM.High thermal conductivity composites consisting of diamond filler with tungsten coating and copper (silver) matrix[J].Journal of Materials Science,20115(5):1424-1438. |
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%