Mechanical analysis of silicone rubber used on the cover of polymeric insulators

Coser, Eliane; Ferreira, Carlos Arthur; Angelini, Joceli Maria Giacomini; Aragão, Bernardo José Guilherme de; Almirall, Ignat Pérez

doi:10.1109/tla.2010.5688091

Cited by 4 publications

(2 citation statements)

References 10 publications

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“…Ito et al studied the mechanical and chemical properties of silicone rubber by applying artificial heating, irradiation, and other aging methods. The results show that the performance of the sheds had decreased, and the tensile fracture was mainly elastic deformation [ 12 , 13 ]. Khan et al studied the effects of inorganic filler ATH on the mechanical properties of sheds.…”

Section: Introductionmentioning

confidence: 99%

Mechanical Properties of High Temperature Vulcanized Silicone Rubber Aged in the Natural Environment

Zhang

Zhao²,

Wan³

et al. 2022

Polymers

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Composite insulators operate in harsh field environments all year round. Their various properties and states of aging require attention. It is important to study the performance changes of composite insulator sheds after aging to evaluate the life of insulators operating on grids. For this reason, 22 composite insulator sheds from different factories, with different voltage levels and different ages years were selected to conduct mechanical properties testing. The mechanical properties include hardness, tensile strength, and elongation at break, and were investigated by thermogravimetric (TGA) testing, surface morphology, and nuclear magnetic resonance (NMR) characterization. The changes in mechanical properties of high temperature vulcanization (HTV) composite insulator silicone rubber aged in the natural environment were analyzed, including the reasons for these changes. The results showed that the transverse relaxation time T2 of the sample was closely related to its aging state. The more serious the silicone rubber’s aging, the smaller was the T2. The state of the composite insulator can be evaluated by using T2 and aging years simultaneously. With the actual degree of aging in the silicone rubber intensified, its tensile strength and elongation at break generally showed a downward trend.

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Section: Introductionmentioning

confidence: 99%

Mechanical Properties of High Temperature Vulcanized Silicone Rubber Aged in the Natural Environment

Zhang

Zhao²,

Wan³

et al. 2022

Polymers

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“…As the temperature continued to decrease, the growth rate of the electrical tree slowed down, and the type of electrical tree also changed. E. Coser et al found that, as the temperature of silicone rubber increased, the deformation of the sample gradually decreased, and the elastic modulus before fracture also increased [18]. Xu Qiang et al prepared silicone rubber by blending silicone resin with different vinyl content and studied its mechanical properties.…”

Section: Introductionmentioning

confidence: 99%

Research on the Influence of Extremely Cold Environment on the Performance of Silicone Rubber and Fluorinated Silicone Rubber

Wang

Hou

et al. 2022

Polymers

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In order to study the performance variation characteristics of silicone rubber and fluorinated silicone rubber at extremely cold temperatures, two type samples were frozen for 0, 150, 300, 450, 600, 750, 900 and 1050 h in a low-temperature test chamber with a constant temperature of −50 °C. After the samples reached a certain freezing time, they were taken out and placed at room temperature for 2 h, then the breakdown voltage, mechanical tensile properties, and hardness and surface morphology were measured, and the mechanism was analyzed. The breakdown voltage, maximum tensile force, and tensile strength of the two type samples increased with freezing time. The elongation at break decreased with freezing time, but the hardness of the two materials changed little. Microcracks appeared on the surface of the samples at about 300 h and some tiny pore and holes appeared at 750 h. The length and depth of the microcracks gradually developed with freezing time. The comparative test results of the two materials showed that the performance of fluorinated silicone rubber was better than that of silicone rubber, which indicates that fluorinated silicone rubber is more stable for some applications in extremely cold environments.

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Evaluating the properties of silicone hoses for aesthetic surgery subjected to cycles of reuse

Torres-Montoya

Alzate

Goez

et al. 2013

2013 Pan American Health Care Exchanges (PAHCE)

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Mechanical analysis of silicone rubber used on the cover of polymeric insulators

Cited by 4 publications

References 10 publications

Mechanical Properties of High Temperature Vulcanized Silicone Rubber Aged in the Natural Environment

Mechanical Properties of High Temperature Vulcanized Silicone Rubber Aged in the Natural Environment

Research on the Influence of Extremely Cold Environment on the Performance of Silicone Rubber and Fluorinated Silicone Rubber

Evaluating the properties of silicone hoses for aesthetic surgery subjected to cycles of reuse

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