中国电机工程学报2026，Vol.46Issue(5)：2129-2140,中插32,13.DOI:10.13334/j.0258-8013.pcsee.250367
脉冲激光剥离硅橡胶老化层对其防覆冰性能的影响研究
Influence of Aged Layer Removal From Silicone Rubber by Pulsed Laser on Anti-icing Performance
摘要
Abstract
Silicone rubber insulators widely used in power grids has undergone aging due to the synergistic effects of UV radiation,strong electric field,ozone,and other factors,resulting in a decline in hydrophobic/anti-icing properties.This has become a bottleneck issue hindering the reliable operation of power system.In the current research,a novel approach to enhance the hydrophobic and anti-icing properties of aged silicone rubber material using pulsed laser lift-off technology is proposed.Through simulation and experimental validation,the behavior of water droplet impacting on cold surfaces with different wettability is systematically investigated.A comparative analysis is conducted on the droplet rebound,freezing behavior,and ice adhesion characteristics before and after the removal of the aged layer from the silicone rubber.The results indicate that pulsed laser effectively removes contaminants,cracks,and the aging layer from the surface of silicone rubber,resulting in an increase in the contact angle from 96.00° to 158.75°.Compared with the surfaces of aged and new silicone rubber,an impacting droplet on the surface with the aged layer stripped is more prone to rebound because of its low surface energy and micro/nano composite structure.When the temperature drops to-10 ℃,due to the freezing of the droplet,rebound does not occur on surfaces of all wettabilities.The freezing time of the droplet on the stripped surface is extended by 6.03 times compared with that on the aged surface,and ice adhesion strength is reduced by 45.2 kPa.The amount of ice accumulation on the insulator with its aged layer stripped by pulsed laser is smaller,and ice flashover voltage is increased by 41.7％compared with that before stripping.关键词
脉冲激光/硅橡胶老化层/液滴撞击/覆冰粘结强度/防覆冰性能Key words
pulsed laser/aged layer of silicone rubber/droplet impacting/ice adhesion strength/anti-icing performance分类
信息技术与安全科学引用本文复制引用
胡玉耀,刘方斌,蒋兴良,周强,吴海涛..脉冲激光剥离硅橡胶老化层对其防覆冰性能的影响研究[J].中国电机工程学报,2026,46(5):2129-2140,中插32,13.基金项目
国家自然科学基金项目(52477147) （52477147）
山东省自然科学基金项目(ZR2023ME129).Project Supported by National Natural Science Foundation of China(52477147) （ZR2023ME129）
Natural Science Foundation of Shandong Province(ZR2023ME129). （ZR2023ME129）
