The mechanism of pore segregation in the sintered nano Ag for high temperature power electronics applications

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dc.contributor.authorZhao, Zhenyu
dc.contributor.authorZou, Guisheng
dc.contributor.authorZhang, Hongqiang
dc.contributor.authorRen, Hui
dc.contributor.authorLiu, Li
dc.contributor.authorZhou, Norman Y.
dc.date.accessioned2018-06-28T15:33:59Z
dc.date.available2018-06-28T15:33:59Z
dc.date.issued2018-10-01
dc.descriptionThe final publication is available at Elsevier via http://dx.doi.org/10.1016/j.matlet.2018.06.007 © 2018. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.description.abstractIt is widely accepted that nano pores of sintered nanoparticles can coalesce into micro pores during high temperature service. When applying sintered nanoparticles in power electronics, the pore segregation and delamination seriously degrade the bond strength and thermal conductivity, but the reason is still not well understood. In this paper, both finite element analysis and experimental results confirmed that thermal stress is the main driving force for this phenomenon, which was not considered in the previous study. The effect of pore segregation on performance and reliability of power devices is also discussed.en
dc.description.sponsorshipNational Natural Science Foundation of China (51520105007, 51775299) National Key Research and Development Program of China (2017YFB1104900)en
dc.identifier.urihttps://doi.org/10.1016/j.matlet.2018.06.007
dc.identifier.urihttp://hdl.handle.net/10012/13442
dc.language.isoenen
dc.publisherElsevieren
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectElectronic packagingen
dc.subjectSinteringen
dc.subjectPorous materialen
dc.subjectHigh temperature reliabilityen
dc.titleThe mechanism of pore segregation in the sintered nano Ag for high temperature power electronics applicationsen
dc.typeArticleen
dcterms.bibliographicCitationZhao, Z., Zou, G., Zhang, H., Ren, H., Liu, L., & Norman Zhou, Y. (2018). The mechanism of pore segregation in the sintered nano Ag for high temperature power electronics applications. Materials Letters, 228, 168–171. https://doi.org/10.1016/j.matlet.2018.06.007en
uws.contributor.affiliation1Faculty of Engineeringen
uws.contributor.affiliation2Mechanical and Mechatronics Engineeringen
uws.peerReviewStatusRevieweden
uws.scholarLevelFacultyen
uws.typeOfResourceTexten

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