Distance Effect in Transient Thermography for Internal Defects Detection in Composites

Tu, Yanxin; Mei, Hongwei; Liu, Lishuai; Sun, Rui; Guo, Chenjun; Shen, Zekai; Wang, Liming

doi:10.1109/tim.2022.3207827

Cited by 6 publications

(2 citation statements)

References 32 publications

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“…Silicone rubber (SiR) has been widely utilized as the housing material of composite insulators because of its lightweight, excellent hydrophobicity, and unique antiflashover performance, especially under wet and pollution conditions. [1][2][3][4][5] It is composed mainly of polydimethylsiloxane (PDMS), alumina trihydrate (ATH), and silica. To improve the hydrophobicity transfer from SiR to the surface pollutants and improve the pollution flashover performance of composite insulators, it is desired to increase the loading of PDMS.…”

Section: Introductionmentioning

confidence: 99%

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Improving the tracking and erosion resistance of silicone rubber using Fe₂O₃ and platinum catalyst

Shang,

Cheng,

Wang

et al. 2024

J of Applied Polymer Sci

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In typical HTV silicone rubber for composite insulators subjected to a 4.5 kV inclined plane (IP) test, alumina trihydrate loading exceeds 40 wt%, which limits the rubber content and weakens the antiaging properties. This study compares two methods for enhancing tracking and erosion resistance while reducing ATH content to meet IP test requirements. Increasing Fe2O3 content from 1.5 wt% to 3 wt% promotes the formation of mullite. The formed ceramic layer isolates heat and oxygen and hence facilitates the specimen to pass the IP tests with less content of ATH. By contrast, Pt/NS system cannot suppress the tracking efficiently by forming the SiOC ceramics at high ATH loading. The decomposition of ATH will generate water vapor and lead to holes in the surface. Both moisture and oxygen absorbed have a detrimental effect on the suppression mechanism of the Pt/NS system. Consequently, it is recommended that the content of Fe2O3 can be increased slightly to lower the ATH content in the traditional HTV SiR formula used for the composite insulator. Besides, when the content of ATH is relatively high, the use of the Pt/NS system is not recommended.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Improving the tracking and erosion resistance of silicone rubber using Fe₂O₃ and platinum catalyst

Shang,

Cheng,

Wang

et al. 2024

J of Applied Polymer Sci

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Active Infrared Thermography for Interfacial Defects Detection on Composite Cross-Arms Based on Finite Element Simulation

Huang

Wang

et al. 2023

2023 6th International Conference on Energy, Electrical and Power Engineering (CEEPE)

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Simulation-Based Analysis of Active Infrared Thermography for Detecting Internal Void Defects in Silicone Rubber

Tu,

Huang,

Wang

et al. 2023

2023 IEEE 7th Conference on Energy Internet and Energy System Integration (EI2)

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Distance Effect in Transient Thermography for Internal Defects Detection in Composites

Cited by 6 publications

References 32 publications

Improving the tracking and erosion resistance of silicone rubber using Fe₂O₃ and platinum catalyst

Improving the tracking and erosion resistance of silicone rubber using Fe₂O₃ and platinum catalyst

Active Infrared Thermography for Interfacial Defects Detection on Composite Cross-Arms Based on Finite Element Simulation

Simulation-Based Analysis of Active Infrared Thermography for Detecting Internal Void Defects in Silicone Rubber

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Distance Effect in Transient Thermography for Internal Defects Detection in Composites

Cited by 6 publications

References 32 publications

Improving the tracking and erosion resistance of silicone rubber using Fe2O3 and platinum catalyst

Improving the tracking and erosion resistance of silicone rubber using Fe2O3 and platinum catalyst

Active Infrared Thermography for Interfacial Defects Detection on Composite Cross-Arms Based on Finite Element Simulation

Simulation-Based Analysis of Active Infrared Thermography for Detecting Internal Void Defects in Silicone Rubber

Contact Info

Product

Resources

About

Improving the tracking and erosion resistance of silicone rubber using Fe₂O₃ and platinum catalyst

Improving the tracking and erosion resistance of silicone rubber using Fe₂O₃ and platinum catalyst