Electrical performance of zinc oxide varistor using powders processed by different latex binders

The critical electrical parameters such as I-V characteristics, watt-loss and energy absorption capability etc. are the determinants for performance evaluation of ZnO varistors. In this regard there are a large number of contributing variables. Selection of proper binder in the processing of electr...

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Main Authors: Karim, A.N. Mustafizul, Begum, Shahida, Hashmi, M. S. J
Format: Proceeding Paper
Language:English
Published: 2005
Subjects:
Online Access:http://irep.iium.edu.my/26868/
http://irep.iium.edu.my/26868/1/Ltx_on_ZnO_%2312.pdf
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author Karim, A.N. Mustafizul
Begum, Shahida
Hashmi, M. S. J
author_facet Karim, A.N. Mustafizul
Begum, Shahida
Hashmi, M. S. J
author_sort Karim, A.N. Mustafizul
building IIUM Repository
collection Online Access
description The critical electrical parameters such as I-V characteristics, watt-loss and energy absorption capability etc. are the determinants for performance evaluation of ZnO varistors. In this regard there are a large number of contributing variables. Selection of proper binder in the processing of electro-ceramic powder is also a crucial factor. It imparts green strength, enhances compressibility and reduces density gradient within the green discs. Grain growth during sintering and subsequent microstructure of the varistor is also highly influenced by the binder system. It is envisaged that a disc with higher mechanical strength could be capable of withstanding more thermal stress due to temperature gradients. The energy absorption capability as well as high current performance can thus be enhanced. It was possible to generate varistor discs from the powder processed by the latex binder with better electrical performance than that of the powder processed with conventional binder of polyvinyl alcohol. Factorial analysis showed that the level of binder and solid concentration in the slurry had great influence on the energy absorption capability of ZnO varistor.
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format Proceeding Paper
id iium-26868
institution International Islamic University Malaysia
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language English
last_indexed 2025-11-14T15:22:15Z
publishDate 2005
recordtype eprints
repository_type Digital Repository
spelling iium-268682012-11-21T23:50:21Z http://irep.iium.edu.my/26868/ Electrical performance of zinc oxide varistor using powders processed by different latex binders Karim, A.N. Mustafizul Begum, Shahida Hashmi, M. S. J T58.7 Production capacity. Manufacturing capacity The critical electrical parameters such as I-V characteristics, watt-loss and energy absorption capability etc. are the determinants for performance evaluation of ZnO varistors. In this regard there are a large number of contributing variables. Selection of proper binder in the processing of electro-ceramic powder is also a crucial factor. It imparts green strength, enhances compressibility and reduces density gradient within the green discs. Grain growth during sintering and subsequent microstructure of the varistor is also highly influenced by the binder system. It is envisaged that a disc with higher mechanical strength could be capable of withstanding more thermal stress due to temperature gradients. The energy absorption capability as well as high current performance can thus be enhanced. It was possible to generate varistor discs from the powder processed by the latex binder with better electrical performance than that of the powder processed with conventional binder of polyvinyl alcohol. Factorial analysis showed that the level of binder and solid concentration in the slurry had great influence on the energy absorption capability of ZnO varistor. 2005-11 Proceeding Paper PeerReviewed application/pdf en http://irep.iium.edu.my/26868/1/Ltx_on_ZnO_%2312.pdf Karim, A.N. Mustafizul and Begum, Shahida and Hashmi, M. S. J (2005) Electrical performance of zinc oxide varistor using powders processed by different latex binders. In: The 9th Japan Int. SAMPE symposium, Nov 29 - Dec 2, 2005, Tokyo Big Sight, Tokyo, Japan.
spellingShingle T58.7 Production capacity. Manufacturing capacity
Karim, A.N. Mustafizul
Begum, Shahida
Hashmi, M. S. J
Electrical performance of zinc oxide varistor using powders processed by different latex binders
title Electrical performance of zinc oxide varistor using powders processed by different latex binders
title_full Electrical performance of zinc oxide varistor using powders processed by different latex binders
title_fullStr Electrical performance of zinc oxide varistor using powders processed by different latex binders
title_full_unstemmed Electrical performance of zinc oxide varistor using powders processed by different latex binders
title_short Electrical performance of zinc oxide varistor using powders processed by different latex binders
title_sort electrical performance of zinc oxide varistor using powders processed by different latex binders
topic T58.7 Production capacity. Manufacturing capacity
url http://irep.iium.edu.my/26868/
http://irep.iium.edu.my/26868/1/Ltx_on_ZnO_%2312.pdf