ArticleRSC advances2025
Effects of combined UV-tensile aging on structural and electrical properties of high temperature vulcanized silicone rubber in composite insulators.
Article in RSC advances, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
3 citing papers in PubMed.
- Atomistic Mechanisms of Silicone Rubber Degradation Under Coupled Temperature-Humidity-Electric Field Conditions.Polymers · 2026Article
- Article
- Article
Corrections and comments
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
High-temperature vulcanized silicone rubber (HTV-SR) in composite insulators undergoes performance degradation under prolonged ultraviolet (UV) exposure and mechanical stress in plateau environments, posing risks to power grid reliability. To investigate the aging behavior and mechanism of HTV-SR under coupled UV and tensile stress conditions, accelerated aging tests are conducted for 500 hours under constant UV irradiation combined with varying tensile stresses. Surface morphology, structure, mechanical and electrical properties of HTV-SR samples before and after aging are systematically characterized to analyze the synergistic and competitive effects of UV and tensile aging. The results show that UV irradiation induces chain scission and oxidative crosslink, increasing surface crosslink density while deteriorating the mechanical and electrical performance. In contrast, tensile stress alone causes minor structural disturbances due to the inherent elasticity of the material, with limited impact on electrical properties. Under combined aging, tensile stress reduces the effective surface crosslink density and inhibits UV-induced oxidative crosslink. As the tensile ratio increases, molecular chains exhibit more pronounced stress relaxation and filler debonding, further accelerating UV-induced structural and electrical degradation. This study provides theoretical support for the weathering assessment of composite insulators and highlights the importance of maintaining an appropriate crosslink density of HTV-SR to enhance structural and electrical stability in service environments.
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Registered trials
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