Synthesis and characterization of silicon nitride whiskers
dc.contributor.author | Wang, Ming-Jong | en_US |
dc.contributor.author | Wada, Harue | en_US |
dc.date.accessioned | 2006-09-11T15:09:36Z | |
dc.date.available | 2006-09-11T15:09:36Z | |
dc.date.issued | 1990-03 | en_US |
dc.identifier.citation | Wang, Ming-Jong; Wada, Harue; (1990). "Synthesis and characterization of silicon nitride whiskers." Journal of Materials Science 25(3): 1690-1698. <http://hdl.handle.net/2027.42/44697> | en_US |
dc.identifier.issn | 0022-2461 | en_US |
dc.identifier.issn | 1573-4803 | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/44697 | |
dc.description.abstract | Silicon nitride whiskers were synthesized by the carbothermal reduction of silica under nitrogen gas flow. The formation of silicon nitride whiskers occurs through a gas-phase reaction, 3SiO(g)+3CO(g)+2N 2 (g)=Si 3 N 4 ( β )+3CO 2 (g), and the VS mechanism. The generation of SiO gas was enhanced by the application of a halide bath. Various nitrogen flow rates resulted in different whisker yields and morphologies. A suitable gas composition range of N 2 , SiO and O 2 is necessary to make silicon nitride stable and grow in a whisker form. The oxygen partial pressure of the gas phase was measured by an oxygen sensor and the gas phase was analysed for CO/CO 2 by gas chromatography. Silicon nitride was first formed as a granule, typically a polycrystalline, and then grown as a single crystal whisker from the {1 0 0} plane of the granule along the 〈 210 〉 direction. The whiskers were identified as β ′-sialon with Z value ranging from 0.8 to 1.1, determined by lattice parameter measurements. | en_US |
dc.format.extent | 2600989 bytes | |
dc.format.extent | 3115 bytes | |
dc.format.mimetype | application/pdf | |
dc.format.mimetype | text/plain | |
dc.language.iso | en_US | |
dc.publisher | Kluwer Academic Publishers; Chapman and Hall Ltd. ; Springer Science+Business Media | en_US |
dc.subject.other | Mechanics | en_US |
dc.subject.other | Chemistry | en_US |
dc.subject.other | Industrial Chemistry/Chemical Engineering | en_US |
dc.subject.other | Polymer Sciences | en_US |
dc.subject.other | Characterization and Evaluation Materials | en_US |
dc.title | Synthesis and characterization of silicon nitride whiskers | en_US |
dc.type | Article | en_US |
dc.subject.hlbsecondlevel | Materials Science and Engineering | en_US |
dc.subject.hlbsecondlevel | Engineering (General) | en_US |
dc.subject.hlbtoplevel | Engineering | en_US |
dc.description.peerreviewed | Peer Reviewed | en_US |
dc.contributor.affiliationum | Department of Materials Science and Engineering, The University of Michigan, 48109, Ann Arbor, Michigan, USA | en_US |
dc.contributor.affiliationum | Department of Materials Science and Engineering, The University of Michigan, 48109, Ann Arbor, Michigan, USA | en_US |
dc.contributor.affiliationumcampus | Ann Arbor | en_US |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/44697/1/10853_2004_Article_BF01045372.pdf | en_US |
dc.identifier.doi | http://dx.doi.org/10.1007/BF01045372 | en_US |
dc.identifier.source | Journal of Materials Science | en_US |
dc.owningcollname | Interdisciplinary and Peer-Reviewed |
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