邹思云,周贤良,崔霞,华小珍,刘阳

• 1:南昌航空大学材料科学与工程学院

摘要(Abstract)：

通过化学镀的方法对碳化硅颗粒表面进行了镀铜改性,采用无压渗透法制备了镀铜碳化硅颗粒铝基复合材料。对碳化硅颗粒镀铜前后SiCp/Al复合材料进行动电位极化曲线和电化学阻抗谱测试。结果表明:SiC颗粒化学镀铜后,颗粒完全由Cu包覆,包覆效果良好;镀铜层对SiCp/Al复合材料界面有影响,所制得的复合材料界面结合良好,镀层抑制了界面相Al_4C_3的生成,促进了界面相CuAl_2的产生;在3.5%NaCl溶液中,碳化硅颗粒镀铜前后SiCp/Al复合材料的腐蚀形式均为以点蚀为主,腐蚀过程相似,但镀铜后SiCp/Al复合材料表面更早形成钝化膜;相对于未镀铜碳化硅制得的SiCp/Al复合材料,化学镀铜后制得的SiCp/Al复合材料早期更易发生腐蚀,但在3.5%NaCl溶液中浸泡较长时间后,腐蚀速率更小。

关键词(KeyWords)： 碳化硅;化学镀铜;SiCp/Al复合材料;耐蚀性

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51262023);; 江西省金属材料微结构调控重点实验室开放基金(JW201323001);江西省金属材料微结构调控重点实验室开放基金(JW201423003)

作者(Author): 邹思云,周贤良,崔霞,华小珍,刘阳

DOI: 10.13289/j.issn.1009-6264.2016-X182

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