Self-healing during electrical treeing: A feature of the two-phase liquid-solid nature of silicone gels

We report the results of electrical treeing tests carried out on a range of silicone dielectric gel samples made by varying the ratio of the same two components used for cross-linking a commercial silicone gel. These samples range from liquids to elastomers via two-phase gels. The extent of the curi...

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Autores principales: Salvatierra, Lucas Matías, Kovalevski, Laura Inés, Dammig Quiña, Pablo Leandro, Irurzun, Isabel María, Mola, Eduardo Elías, Dodd, Stephen J., Dissado, L. A.
Formato: Articulo
Lenguaje:Español
Publicado: 2016
Materias:
Ciencias Exactas
Química
Silicone Polymer Gels
Trees
Partial Discharges
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/127377
https://ieeexplore.ieee.org/document/7480636
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-127377
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Español
topic Ciencias Exactas
Química
Silicone Polymer Gels
Trees
Partial Discharges
spellingShingle Ciencias Exactas
Química
Silicone Polymer Gels
Trees
Partial Discharges
Salvatierra, Lucas Matías
Kovalevski, Laura Inés
Dammig Quiña, Pablo Leandro
Irurzun, Isabel María
Mola, Eduardo Elías
Dodd, Stephen J.
Dissado, L. A.
Self-healing during electrical treeing: A feature of the two-phase liquid-solid nature of silicone gels
topic_facet Ciencias Exactas
Química
Silicone Polymer Gels
Trees
Partial Discharges
description We report the results of electrical treeing tests carried out on a range of silicone dielectric gel samples made by varying the ratio of the same two components used for cross-linking a commercial silicone gel. These samples range from liquids to elastomers via two-phase gels. The extent of the curing is followed by means of FTIR spectroscopy and the samples are characterized through their dynamical mechanical properties. It is shown that the gel samples exhibit treeing behavior that includes features typical of both liquids and solids. A filamentary structure is produced that has permanence together with attached bubbles that self-heal locally during treeing, although differences in detail were found depending on the degree of curing. Removal of the treeing voltage allows a more substantial self-healing to occur. This behavior is discussed in terms of the two-phase liquid-solid nature of the silicone gels.
format Articulo
Articulo
author Salvatierra, Lucas Matías
Kovalevski, Laura Inés
Dammig Quiña, Pablo Leandro
Irurzun, Isabel María
Mola, Eduardo Elías
Dodd, Stephen J.
Dissado, L. A.
author_facet Salvatierra, Lucas Matías
Kovalevski, Laura Inés
Dammig Quiña, Pablo Leandro
Irurzun, Isabel María
Mola, Eduardo Elías
Dodd, Stephen J.
Dissado, L. A.
author_sort Salvatierra, Lucas Matías
title Self-healing during electrical treeing: A feature of the two-phase liquid-solid nature of silicone gels
title_short Self-healing during electrical treeing: A feature of the two-phase liquid-solid nature of silicone gels
title_full Self-healing during electrical treeing: A feature of the two-phase liquid-solid nature of silicone gels
title_fullStr Self-healing during electrical treeing: A feature of the two-phase liquid-solid nature of silicone gels
title_full_unstemmed Self-healing during electrical treeing: A feature of the two-phase liquid-solid nature of silicone gels
title_sort self-healing during electrical treeing: a feature of the two-phase liquid-solid nature of silicone gels
publishDate 2016
url http://sedici.unlp.edu.ar/handle/10915/127377
https://ieeexplore.ieee.org/document/7480636
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