镍-磷-石墨烯化学复合镀层的组织与性能  

Microstructure and properties of electroless Ni-P-Graphene composite plating

作　　者：刘爱莲 戴东言 徐家文 陈挥 庞晓龙 Liu Ailian;Dai Dongyan;Xu Jiawen;Chen Hui;Pang Xiaolong(School of Materials Science ＆ Engineering,Heilongjiang University of Science ＆ Technology,Harbin 150022,China)

机构地区：[1]黑龙江科技大学材料科学与工程学院,哈尔滨150022

出　　处：《黑龙江科技大学学报》2018年第5期519-524,共6页Journal of Heilongjiang University of Science And Technology

基　　金：国家自然科学基金项目(51201062)

摘　　要：为进一步改善镍-磷镀层性能,以石墨烯为增强相,在纯铜表面制备镍-磷-石墨烯化学复合镀层。利用扫描电子显微镜、X射线衍射仪、维氏硬度计、摩擦磨损试验机、电化学工作站等手段观测、分析镍-磷-石墨烯化学复合镀层的形貌、组织、硬度、耐磨及耐腐蚀性能。结果表明,镍-磷-石墨烯化学复合镀层为晶态,镀层表面平整光滑。当石墨烯的添加量为40 mg/L时,该复合镀层的厚度达到最大18. 7μm,显微硬度最大为4 169. 41 MPa,磨损量最小为3. 8 mg,腐蚀电位最高为-664. 054 m V。石墨烯在化学复合镀层基体中分散均匀,可显著提高镍-磷镀层的性能。This paper is aimed at improving the properties of Ni-P electroless plating. The research involves selecting graphene as the reinforcing phase and thereby depositing Ni-P-Graphene composite coating on pure copper surface by electroless plating; and investigating the surface morphology, phases, wear properties and corrosion properties of the Ni-P-Graphene composite coating using scanning electron microscopy,X-ray diffraction,vickers hardness tester, friction and wear tester, and electrochemical workstation. The results demonstrate that Ni-P-Graphene composite coating is crystalline, smooth and dense; and the addition of graphene of 40 mg/L, gives the coating the maximum thickness of 18.7 μm, enabling the maximum microhardness, the minimum wear volume of 3.8 mg, and the highest corrosion potential of -664.054 mV. Homogeneous graphene dispersion in the coating allows a significant improvement in the performance of nickel phosphorus coating.

关 键 词：石墨烯 化学复合镀 耐磨性 耐腐蚀性 

分 类 号：TG174.44[金属学及工艺—金属表面处理]