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Characterization of electrical conductivity of porous metal fiber sintered sheet using four-point probe method
Zhou W.2; Tang Y.1; Song R.2; Jiang L.2; Hui K.S.3; Hui K.N.4
2012-05-01
Source PublicationMaterials and Design
ISSN02641275 18734197
Volume37Pages:161-165
AbstractNovel porous metal fiber sintered sheets (PMFSSs) with different porosities were fabricated by sintering copper fibers. Using four-point probe method, comparative study was conducted to investigate the effects of probe spacing, porosity, and sintering condition on the electrical conductivity of PMFSS. Our experimental results showed that probe spacing plays an important role in determining the electrical conductivity. Uniform probe spacing was adopted in order to reduce the error caused by non-uniformity of probe spacing. The measured electrical conductivity was found to decrease with increasing porosity ranging from 70% to 90% for the PMFSS produced under the same sintering condition. Our experimental results were found to agree well with the theoretical prediction by Liu's model for the PMFSS with different porosities. The effect of sintering condition on electrical conductivity was also investigated. It was revealed that higher sintering temperature or longer holding time yields higher electrical conductivity of PMFSS. © 2012 Elsevier Ltd.
KeywordB. Fibers and filaments C. Sintering E. Electrical properties
DOI10.1016/j.matdes.2011.12.046
URLView the original
Language英語
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Cited Times [WOS]:27   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.South China University of Technology
2.Sun Yat-Sen University
3.City University of Hong Kong
4.Pusan National University
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GB/T 7714
Zhou W.,Tang Y.,Song R.,et al. Characterization of electrical conductivity of porous metal fiber sintered sheet using four-point probe method[J]. Materials and Design,2012,37:161-165.
APA Zhou W.,Tang Y.,Song R.,Jiang L.,Hui K.S.,&Hui K.N..(2012).Characterization of electrical conductivity of porous metal fiber sintered sheet using four-point probe method.Materials and Design,37,161-165.
MLA Zhou W.,et al."Characterization of electrical conductivity of porous metal fiber sintered sheet using four-point probe method".Materials and Design 37(2012):161-165.
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