为了解决颗粒增强铜基复合材料中颗粒与铜基体相容性的问题,采用化学镀法使得颗粒表面金属化,通过XRD、SEM、EDS等技术研究了Al2O3纳米粉化学镀铜的工艺,并对Cu/Al2O3复合粉体的烧结行为做了初步探讨.结果表明:Al2O3粉前处理工艺、镀液的各种成分都对粉体表面铜的含量有影响,通过改变装载量可有效控制粉体表面Cu含量.实验中确定了最佳的镀覆工艺,并得到了颗粒较为弥散的Cu/Al2O3复合粉体烧结体.
参考文献
[1] | 丁红燕,符学龙,戴起勋,周广宏,章跃.粉末冶金法制备Cu/Al2O3复合材料及其性能研究[J].金属热处理,2007(06):37-40. |
[2] | 刘远廷,凌国平.纳米Al2O3化学镀铜粉杂质对烧结致密化的影响[J].材料科学与工艺,2005(05):524-527. |
[3] | Puclin T.;Kaczmarek WA. .Synthesis of alumina-nitride nanocomposites by successive reduction-nitridation in mechanochemically activated reactions[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,1998(1/2):283-292. |
[4] | Hae JinHwang;Motohiro Toriyama;Tohru Sekino et al.In-situ fab-rication of ceramic/metal nanocomposites by reduction reaction in barium titanate-metal oxide systems[J].Journal of the European Ceramic Society,1998,18(14):2 193-2 199. |
[5] | Oh IH;Lee JY;Han JK;Lee HJ;Lee BT .Microstructural characterization of Al2O3-Ni composites prepared by electroless deposition[J].Surface & Coatings Technology,2005(1):39-42. |
[6] | Shi GM;Han JK;Zhang ZD;Song HY;Lee BT .Pretreatment effect on the synthesis of Ag-coated Al2O3 powders by electroless deposition process[J].Surface & Coatings Technology,2005(2/3):333-337. |
[7] | 黎德育,李宁,李柏松.粉体上的化学镀镍[J].材料科学与工艺,2003(04):414-418. |
[8] | 段志伟,张振忠,陆春华,沈晓冬.化学镀法制备Cu包覆纳米Al2O3粉体[J].表面技术,2006(03):11-13,35. |
[9] | Silvain J F;Bobet J L .Electroless deposition of copper onto lumina sub-micronic powders and sintering[J].Composites,2002,33:1 387-1 390. |
[10] | 果世驹.粉末烧结理论[M].北京:冶金工业出版社,1998:3. |
[11] | Heckel R W .An analysis of powder compaction phenomena[J].Trans AIME,1961,221:1 001-1 008. |
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%