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Cites:

1

Information Journal Paper

Title

EFFECTS OF THE FILLER TYPE AND QUANTITY ON THE FLASHOVER VOLTAGE AND HYDROPHOBICITY OF RTV SILICONE RUBBER COATINGS

Pages

  149-157

Abstract

 Room temperature vulcanizing (RTV) silicone rubber is widely used to coat glass and porcelain insulators to prevent surface flashover on the insulators that are heavily contaminated with industrial pollution and exposure to humidity in the coastal areas which may lead to outages of the power system. Fillers such as alumina trihydrate (ATH) and SILICA are also used in these coatings to provide tracking and erosion resistance. Therefore, a formulation of RTV COATING system should be developed to optimize its performance and in particular to extend its lifetime. In this work, RTV COATINGs with different quantities of ATH and SILICA fillers were applied to porcelain suspension insulator. They were then artificially contaminated and exposed to dry and wet conditions. Moreover, contact angle measurements were performed to determine the state of the surface. To carry out surface characteristic studies of the coatings filled with ATH and SILICA, the samples were gold coated for SEM observation. In addition, TGA was utilized to investigate the role of ATH in RTV samples. The test results are reported on the basis of the role of ATH and SILICA fillers. The results showed that when ATH is used as filler the highest performance belongs to the sample with 70 pph ATH. Addition of 10 pph SILICA also improves the performance of coatings at ATH quantity between 35 to 70 pph, but replacement of 10 pph ATH with the same amount of SILICA was not productively efficient.

Cites

References

Cite

APA: Copy

FARHANG, F., EHSANI, MORTEZA, & JAZAYERI, SEYED HAMID. (2009). EFFECTS OF THE FILLER TYPE AND QUANTITY ON THE FLASHOVER VOLTAGE AND HYDROPHOBICITY OF RTV SILICONE RUBBER COATINGS. IRANIAN POLYMER JOURNAL (ENGLISH), 18(2 (104)), 149-157. SID. https://sid.ir/paper/562697/en

Vancouver: Copy

FARHANG F., EHSANI MORTEZA, JAZAYERI SEYED HAMID. EFFECTS OF THE FILLER TYPE AND QUANTITY ON THE FLASHOVER VOLTAGE AND HYDROPHOBICITY OF RTV SILICONE RUBBER COATINGS. IRANIAN POLYMER JOURNAL (ENGLISH)[Internet]. 2009;18(2 (104)):149-157. Available from: https://sid.ir/paper/562697/en

IEEE: Copy

F. FARHANG, MORTEZA EHSANI, and SEYED HAMID JAZAYERI, “EFFECTS OF THE FILLER TYPE AND QUANTITY ON THE FLASHOVER VOLTAGE AND HYDROPHOBICITY OF RTV SILICONE RUBBER COATINGS,” IRANIAN POLYMER JOURNAL (ENGLISH), vol. 18, no. 2 (104), pp. 149–157, 2009, [Online]. Available: https://sid.ir/paper/562697/en

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