Processing of zinc oxide varistors : sources of defects and possible measures for their elimination
The processing of ZnO varistors primarily follows the conventional ceramic route. A number of dopants are added to zinc oxide powder to prepare the constituent material and some additional finishing operations are performed for securing the varistor action. Thus there involved a large number of proc...
| Main Authors: | , , |
|---|---|
| Other Authors: | |
| Format: | Article |
| Language: | English |
| Published: |
Elsivier Science B. V.
1997
|
| Subjects: | |
| Online Access: | http://irep.iium.edu.my/26857/ http://irep.iium.edu.my/26857/1/Defect_sources_%2304.pdf |
| _version_ | 1848779716459233280 |
|---|---|
| author | Karim, A. N. Mustafizul Begum, Shahida Hashmi, M. S. J. |
| author2 | Predeleanu, M |
| author_facet | Predeleanu, M Karim, A. N. Mustafizul Begum, Shahida Hashmi, M. S. J. |
| author_sort | Karim, A. N. Mustafizul |
| building | IIUM Repository |
| collection | Online Access |
| description | The processing of ZnO varistors primarily follows the conventional ceramic route. A number of dopants are added to zinc oxide powder to prepare the constituent material and some additional finishing operations are performed for securing the varistor action. Thus there involved a large number of processing operations and there are naturally multiple sources from which defects can originate. To quality a varistor performance several parameters are commonly investigated of which energy absorption capability of the device is a significant one. In this respect flaws and defects developed in the varistor body during the processing have detrimental effects and can considerably restrict the energy absorption capability. This paper briefly outlines the probable sources of defects of the metal-oxide varistor device and their possible solutions
mainly with sintering orientation, passivation thickness and electrode area. |
| first_indexed | 2025-11-14T15:22:12Z |
| format | Article |
| id | iium-26857 |
| institution | International Islamic University Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-14T15:22:12Z |
| publishDate | 1997 |
| publisher | Elsivier Science B. V. |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | iium-268572013-05-19T03:28:20Z http://irep.iium.edu.my/26857/ Processing of zinc oxide varistors : sources of defects and possible measures for their elimination Karim, A. N. Mustafizul Begum, Shahida Hashmi, M. S. J. T58.7 Production capacity. Manufacturing capacity The processing of ZnO varistors primarily follows the conventional ceramic route. A number of dopants are added to zinc oxide powder to prepare the constituent material and some additional finishing operations are performed for securing the varistor action. Thus there involved a large number of processing operations and there are naturally multiple sources from which defects can originate. To quality a varistor performance several parameters are commonly investigated of which energy absorption capability of the device is a significant one. In this respect flaws and defects developed in the varistor body during the processing have detrimental effects and can considerably restrict the energy absorption capability. This paper briefly outlines the probable sources of defects of the metal-oxide varistor device and their possible solutions mainly with sintering orientation, passivation thickness and electrode area. Elsivier Science B. V. Predeleanu, M Gilormini, P. 1997 Article PeerReviewed application/pdf en http://irep.iium.edu.my/26857/1/Defect_sources_%2304.pdf Karim, A. N. Mustafizul and Begum, Shahida and Hashmi, M. S. J. (1997) Processing of zinc oxide varistors : sources of defects and possible measures for their elimination. Studies in Applied Mechanics, 45 (C). pp. 143-153. ISSN 0922-5382 http://www.elsevier.com/books/book-series/studies-in-applied-mechanics 10.1016/S0922-5382(97)80016-5 |
| spellingShingle | T58.7 Production capacity. Manufacturing capacity Karim, A. N. Mustafizul Begum, Shahida Hashmi, M. S. J. Processing of zinc oxide varistors : sources of defects and possible measures for their elimination |
| title | Processing of zinc oxide varistors : sources of defects and possible measures for their elimination |
| title_full | Processing of zinc oxide varistors : sources of defects and possible measures for their elimination |
| title_fullStr | Processing of zinc oxide varistors : sources of defects and possible measures for their elimination |
| title_full_unstemmed | Processing of zinc oxide varistors : sources of defects and possible measures for their elimination |
| title_short | Processing of zinc oxide varistors : sources of defects and possible measures for their elimination |
| title_sort | processing of zinc oxide varistors : sources of defects and possible measures for their elimination |
| topic | T58.7 Production capacity. Manufacturing capacity |
| url | http://irep.iium.edu.my/26857/ http://irep.iium.edu.my/26857/ http://irep.iium.edu.my/26857/ http://irep.iium.edu.my/26857/1/Defect_sources_%2304.pdf |