Publication:
Performance and failure during energy testing of zinc oxide varistor processed from different powder size fraction and passivation thickness

dc.citedby4
dc.contributor.authorKarim A.N.M.en_US
dc.contributor.authorBegum S.en_US
dc.contributor.authorHashmi M.S.J.en_US
dc.contributor.authorid57196885749en_US
dc.contributor.authorid7101852571en_US
dc.contributor.authorid36501681300en_US
dc.date.accessioned2023-12-29T07:49:11Z
dc.date.available2023-12-29T07:49:11Z
dc.date.issued2010
dc.description.abstractThe processing of ZnO varistor has a long route with numerous contributing variables. The role of particle size distribution in the starting powder is very crucial in varistor fabrication and performance evaluation. The varistors are also needed to be passivated before the evaluation of electrical performance. It was envisaged that the passivation thickness would influence the failure characteristics during energy testing as heat dissipation would be affected by the thickness. To investigate the above phenomena, the standard as produced varistor powder was fractionated to different narrow distributions containing large, medium and fine particles. Though there was no appreciable difference in physical properties but it was higher for discs fabricated with finer fraction of powder. However, the affect on green strength was quite reverse. In terms of electrical performance, the varistor discs with fine fraction of powder exhibited better properties though the energy absorption capability was poor. The variation of passivation thickness did not influence the energy absorption capability that much but the failure mode was changed. The higher thickness caused the failure by electrical puncture.en_US
dc.description.natureFinalen_US
dc.identifier.epage181
dc.identifier.issue2
dc.identifier.scopus2-s2.0-78651428147
dc.identifier.spage175
dc.identifier.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-78651428147&partnerID=40&md5=84ade9fe91032c43c220a4a5cb87f7ac
dc.identifier.urihttps://irepository.uniten.edu.my/handle/123456789/30543
dc.identifier.volume5
dc.pagecount6
dc.sourceScopus
dc.sourcetitleInternational Journal of Mechanical and Materials Engineering
dc.subjectElectrical punctures
dc.subjectEnergy absorption capability
dc.subjectParticle size
dc.subjectPassivation thickness
dc.subjectVaristor
dc.titlePerformance and failure during energy testing of zinc oxide varistor processed from different powder size fraction and passivation thicknessen_US
dc.typeArticleen_US
dspace.entity.typePublication
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