Influence of vacuum heat treatment on structure and micro-hardness of electroless Ni-P-SiC composite coating

摘要：

The electroless Ni-P-SiC composite coatings were prepared and the influence of vacuum heat treatment on its structure and properties was analyzed.The Ni-P-SiC composite coatings were characterized by morphology,structure and micro-hardness.The morphology and structure of the Ni-P-SiC composite coatings were studied by scanning electron microscopy (SEM) and X-ray diffractometry (XRD),respectively.A great deal of particles incorporation and uniform distribution were found in Ni-P-SiC composite coatings.XRD results show a broad peak of nickel and low intensity SiC peaks present on as-deposited condition.Micro-hardness of as-deposited Ni-P-SiC composite coatings is improved greatly,and the best micro-hardness is obtained after heat treatment in a high vacuum at 400℃.

关键词： electroless Ni-P-SiC composite coating vacuum heat treatment micro-hardness X-ray diffraction

作者: LONG Shi-guo MA Zeng-sheng HU Wen-bin ZHOU Yi-chun

作者单位: Key Laboratory of Low Dimensional Materials & Application Technology,Ministry of Education,Faculty o State Key Laboratory of Metal Matrix Composites,Shanghai Jiao Tong University,Shanghai 200030,China

会议类型: 国际会议

会议名称: 2007年国际有色金属大会(International Conference of Nonfereous Materials 2007)(ICNFM)

会议地点: 长沙

会议语种:英文

在线出版日期: 2007-11-28（万方平台首次上网日期，不代表论文的发表时间）