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化学镀Ni-P对高压输电线表面润湿性的影响
Influence of Ni-P Electroless Plating on Surface Wettability of High Voltage Transmission Line
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- DOI:
- 作者:
- 郭微 王芳芳 何楷 陈海军 刘博
GUO Wei;WANG Fangfang;HE Kai;CHEN Haijun;LIU Bo
- 作者单位:
- 国网宁夏电力有限公司检修公司 西安理工大学材料科学与工程学院
State Grid Ningxia Electric Power Co., Ltd., Yinchuan 750011, China;School of Materials Science and Engineering,Xi'an University of Technology, Xi'an 710048, China
- 关键词:
- 高压输电线 化学镀NI-P 喷砂处理 表面润湿性
high voltage transmission line Ni-P electroless plating sand blasting surface wettability
- 摘要:
- 为了增加高压输电线表面的润湿性,降低电晕放电引起的可听噪声,对喷砂处理后的高压输电线表面先进行碱性预镀,再进行酸性化学镀Ni-P处理,得到表面粗糙、厚度为0.1 mm的化学镀Ni-P涂层。结果表明,化学镀层的硬度为1 100 HV,表面润湿角为23.5°。高硬度、高粗糙度的化学镀Ni-P涂层提高了高压输电线表面对液体的表面张力,使高压输电线表面的润湿性增大,不容易产生水珠,降低了电晕放电引起的可听噪音。In order to increase the wettability of the surface of the high voltage transmission line and reduce the audible noise caused by corona discharge, the surface of the high voltage transmission line after sand blasting treatment was first alkaline pre-plating, followed by acid electroless Ni-P plating treatment, and the chemical Ni-P coating with rough surface and thickness of 0.1 mm was obtained. The results show that the hardness of electroless plating is 1 100 HV, the wetting contact angle of the coating surface is 23.5°. The electroless Ni-P coating with high hardness and roughness improves the surface tension of liquid on the surface of the high voltage transmission line, increases the wettability of the surface of the high voltage transmission line, does not easily produce water droplets, and reduces the audible noise caused by corona discharge.