在钎焊温度高于SiCp/LY12复合材料起始熔融温度的条件下,采用Al-28Cu-5Si-2Mg钎料在真空中仍能实现对SiCp/LY12复合材料的钎焊连接.研究结果表明:SiCp/LY12复合材料的熔化特性、快速的钎焊热循环和钎料中含合金元素Mg是实现对SiCp/LY12复合材料的钎焊连接的主要因素.分析了SiCp/LY12复合材料钎焊连接强度的影响因素和界面特征.提高液态钎料对SiC的润湿性、降低连接区的弱连接比例、减少过渡到钎缝中的SiC颗粒,是改善钎焊连接强度的重要途径.
参考文献
| [1] | 曾汉民.高技术新材料要览[M].北京:中国科学技术出版社,1993:566-569. |
| [2] | 乐永康.颗粒增强铝基复合材料的研究现状[J].材料开发与应用,1997(05):33. |
| [3] | Ellis M B D .Joining of aluminum based metal matrix composites[J].International Materials Reviews,1996,41(02):41-58. |
| [4] | G. Cam;M. Kocak .Progress in joining of advanced materials[J].International Materials Reviews,1998(1):1-44. |
| [5] | 许如强,邹家生,韩逸生.铝基复合材料的钎焊连接技术[J].焊接技术,2002(03):1-4. |
| [6] | Zhang X.P.;Quan G.F.;Wei w. .Preliminary investigation on joining performance of SiC_p-reinforced aluminium metal matrix composite (Al/SiC_p-MMC) by vacuum brazing[J].Composites, Part A. Applied science and manufacturing,1999(6):823-827. |
| [7] | HANLH;Meng Q C;Wang L R .Resistance brazing of SiC/2024Al composite[J].金属学报(英文版),2000,13(01):212-216. |
| [8] | Laurent V;Chatain D;Eustathopoulos N .Wettability of SiC by aluminum and Al-Si alloys[J].Journal of Materials Science,1987,22:244-250. |
| [9] | 林丽华;唐逸民;陈立功 等.碳化硅颗粒增强铝基复合材料SiCp/LD2的钎焊机理[J].焊接学报,1997,18(01):12-17. |
| [10] | Klehn R;Eager T W.Joining of 6061 Aluminum Matrix-ceramic Particle Reinforced Composites[J].WRC Bulletin,1993 |
| [11] | Moshier W C;Ahearn J S;Cooke D C .Interaction of Al-Si,Al-Ge,and Zn-Al eutectic alloys with SiC/Al discontinuously reinforced metal matrix composites[J].Journal of Materials Science,1987,22:115-122. |
| [12] | 马晓春;吴锦波 .Al-SiC系润湿性与界面现象的研究[J].材料科学与工程,1994,12(01):37-41. |
| [13] | 张启运;庄鸿寿.钎焊手册[M].北京:机械工业出版社,1999:48-49. |
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