镀镍与镀铜对SiCp/6063Al复合材料真空钎焊接头剪切强度的影响
Effects of Copper Plating and Nickel Plating on Shear Strength of Vacuum Brazed Joints of SiCp/6063Al Composites
摘 要
采用表面金属化工艺在60%SiCp/6063Al复合材料表面制备镀铜层和镀镍层, 然后对表面金属化处理前的复合材料进行真空加压钎焊, 研究了镀镍和镀铜对复合材料钎焊接头剪切强度的影响。结果表明: 复合材料表面镀层均与基体紧密结合; 在570 ℃的钎焊温度下, 随着保温时间延长, 钎焊接头的剪切强度逐步增大; 与表面镀镍及未渡金属的相比, 表面镀铜复合材料接头的剪切强度更高, 接头的剪切强度最高可达55.4 MPa, 且其剪切断裂发生在钎料层和复合材料内部; 镀镍会降低接头的剪切强度。
真空加压钎焊
电刷镀镀铜
化学镀镀镍
剪切强度
SiCp/6063Al composite
vacuum brazed added pressure
copper-brush plating
electroless nickel coating
shear strength
Abstract
Using surface alloying technique, copper layer and nickel layer were deposited on the SiCp/6063Al composites with 60% volume fraction of SiC. Then, SiCp/6063Al composites before and after surface alloying were vacuum brazed respectively. The effects of copper layer and nickel layer on the shear strength of the brazed joints were studied. The results indicate that the two plating layers combined with base metal compactly. As prolonging the heat preservation time, the shear strength of the brazed joints rose synchronously at 570℃. The brazed joint of the composite with copper plating on surface had higher shear strength than that with nickel plating, and the top value hit 55.4 MPa. The shear fracture occurred on the inside of composites and in the brazing filler metal. Nickel plating decreased the shear strength of the joint.
中图分类号 TG454 DOI 10.11973/jxgccl201506001
所属栏目 试验研究
基金项目 科技部中小型企业创新基金项目(11C26214105167); 焦作市工业新材料科技项目(2010,49号);解放军总装备部预研项目(51318050119-1)。
收稿日期 2014/3/30
修改稿日期 2015/4/14
网络出版日期
作者单位点击查看
备注王鹏(1988—), 男, 河南商丘人, 硕士研究生。
引用该论文: WANG Peng,GAO Zeng,LI Qiang,CHENG Dong-feng,TIAN Jin-feng,NIU Ji-tai. Effects of Copper Plating and Nickel Plating on Shear Strength of Vacuum Brazed Joints of SiCp/6063Al Composites[J]. Materials for mechancial engineering, 2015, 39(6): 1～6
王鹏,高增,李强,程东锋,田金峰,牛济泰. 镀镍与镀铜对SiCp/6063Al复合材料真空钎焊接头剪切强度的影响[J]. 机械工程材料, 2015, 39(6): 1～6
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【2】SRIVATSAN T S, IBRAHIM I A, MOHAMED F A, et al. Processing techniques for particulate reinforced metal aluminium matrix composites[J]. Journal of Materials Science, 1991,26 (22): 5965-5978.
【3】牛济泰, 卢金斌, 穆云超, 等. SiCP/ZL101复合材料与可伐合金4J29钎焊的分析[J]. 焊接学报, 2010, 31(5): 37-40.
【4】刘玫谭, 蔡旭升, 李国强. 高性能SiC增强Al基复合材料的显微组织和热性能[J]. 中国有色金属学报2013, 23(4): 1040-1046.
【5】李杏瑞, 牛济泰, 杨顺成. SiCp/6061铝基复合材料电阻电焊接头中的缺陷分析[J]. 机械工程材料, 2013, 37(4):14-16.
【6】STORJOHANN D, BARABASH O M, BABU S S, et al. Fusion and friction stir welding of aluminum metal matrix composites[J]. Metallurgical Materials Transactions:A, 2005,36(11): 3237-3247.
【7】MAITYA J, PALB T K, MAITIC R. Transient liquid phase diffusion bonding of 6061-15wt%SiCp in argon environment[J]. Journal of Materials Processing Technology, 2009,209(7): 3568-3580.
【8】NIU Ji-tai, LUO Xiang-wei, TIAN Hao, et al. Vacuum brazing of aluminium metal matrix composite (55vol.% SiCp/A356) using aluminium-based filler alloy[J]. Materials Science and Engineering:B, 2012, 177(19): 1707- 1711.
【9】季小辉, 王少刚, 董桂萍. SiCp/101Al复合材料电子束焊接接头温度场对其显微组织的影响[J]. 机械工程材料, 2009, 33(5): 97-100.
【10】LU Jin-bin, MU Yun-chao, LUO Xiang-wei,et al. A new method for soldering particle-reinforced aluminum metal matrix [J]. Materials Science and Engineering:B, 2012,177(20): 1759-1763.
【11】李丽波, 安茂忠, 武高辉. SiCp/Al复合材料与化学镀镍层结合机理研究[J]. 无机化学学报, 2005,21(7): 982-986.
【12】李杏瑞, 杨涤心, 肖宏滨. 碳化硅铝基复合材料的钎焊[J]. 洛阳工学院学报, 2002, 23(1):19-22.
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