摘要
本文研究了金刚石含量、热处理温度、表面活性剂种类等因素对Ni-P-金刚石复合镀层的显微硬度与耐磨性能的影响;采用扫描电子显微镜、X射线衍射仪对复合镀层的表面形貌及组织结构进行了分析。结果表明:在化学镀层中共沉积金刚石微粉能显著提高镀层的耐磨性;各工艺因素对复合镀层显微硬度与耐磨性的影响程度各不相同,热处理温度对复合镀层耐磨性能的影响最大;当镀液中金刚石微粉含量为2 g/L、热处理温度400℃、表面活性剂为SHP其含量为1∶15时,复合镀层的耐磨性能最好。与Ni-P化学镀层相比,金刚石复合镀层的耐磨性提高50%。
The effect of factors,such as diamond content,heat treatment temperature and type of surfactant on the micro-hardness and wear resistance of diamond composite coating was studied.The surface morphology and the structure of composite coating were analyzed by scanning electron microscopy（SEM） and X-ray diffraction （XRD）.The results showed that the addition of the diamond micro-powder in plating bath could significantly improve the wear resistance of the composite coating.The effect of factors on the micro-hardness and wear resistance of coating was different,the heat treatment temperature impacted the most.The optimal parameters were： diamond micro-powder content 2 g/L,heat treatment temperature 400 ℃,surfactant SHP and its content being 1∶15.Compared with Ni-P coating,the wear resistance of Ni-P-diamond composite coating increased by 50 %.
出处
《金刚石与磨料磨具工程》
CAS
北大核心
2010年第5期26-31,37,共7页
Diamond & Abrasives Engineering
基金
江苏省材料摩擦学重点实验室开放基金(kjsmcx0901)
关键词
金刚石微粉
化学复合镀
显微硬度
耐磨性
形貌组织
diamond micro-powder
electroless composite coating
micro-hardness
wear resistance
surface morphology and structure
