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Effect of SiC addition on the thermal diffusivity of SiAlON ceramics

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dc.contributor.author Kuşhan Akın, Seniz Reyhan
dc.contributor.author Turan, Servet
dc.contributor.author Gençoğlu, Pervin
dc.contributor.author Mandal, Hasan
dc.date.accessioned 2020-03-03T11:50:01Z
dc.date.available 2020-03-03T11:50:01Z
dc.date.issued 2017-11
dc.identifier.citation Akin, Seniz Reyhan Kushan...et al (2017). "Effect of SiC addition on the thermal diffusivity of SiAlON ceramics", Ceramics International, Vol.43, No.16, pp.13469-13474. tr_TR
dc.identifier.issn 0272-8842
dc.identifier.uri http://hdl.handle.net/20.500.12416/2588
dc.description.abstract Despite the fact that thermal conductivity is a crucial parameter for SiAlON ceramics with respect to their suitability in various applications, including high-temperature structural components, wear parts, and cutting tools, studies on SiAlON ceramics reported thus far mainly focus on the improvement of their mechanical properties. In view of the lack of sufficient studies on the thermal conductivity of SiAlON ceramics, this study investigates the improvement in the thermal diffusivity behaviour of SiAlON ceramics by the addition of highly conductive SiC particles. As solid-solution SiAlON ceramics exhibit complex crystal structures typically composed of defects, the phonon scattering increases, subsequently decreasing diffusivity. In particular, the improvement in the thermal diffusivity of both alpha- and beta-SiAlONs was investigated by the addition of 0.25 wt% SiC. In addition, the effect of the SiC particle size on the thermal diffusivity of beta-SiAlON was examined. Using inverse diffusivity data, intrinsic and extrinsic scattering parameters were determined, and compared to intrinsic scattering, extrinsic scattering was a dominant factor. Furthermore, transmission electron microscopy (TEM) images of SiCp-reinforced a and -beta-SiAlON ceramics were recorded to examine the SiC particle distribution. tr_TR
dc.language.iso eng tr_TR
dc.publisher Elsevier SCI LTD tr_TR
dc.relation.isversionof 10.1016/j.ceramint.2017.07.051 tr_TR
dc.rights info:eu-repo/semantics/closedAccess tr_TR
dc.subject SiAlON tr_TR
dc.subject Thermal Diffusivity tr_TR
dc.subject Silicon Carbide tr_TR
dc.subject Composite tr_TR
dc.title Effect of SiC addition on the thermal diffusivity of SiAlON ceramics tr_TR
dc.type article tr_TR
dc.relation.journal Ceramics International tr_TR
dc.contributor.authorID 224219 tr_TR
dc.identifier.volume 43 tr_TR
dc.identifier.issue 16 tr_TR
dc.identifier.startpage 13469 tr_TR
dc.identifier.endpage 13474 tr_TR
dc.contributor.department Çankaya Üniversitesi, Mühendislik Fakültesi, Malzeme Bilimi ve Mühendisliği Bölümü tr_TR


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