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Characterization of AIN ceramics containing long-period polytypes

Van Tendeloo, G and Faber, K. T. and Thomas, G. (1983) Characterization of AIN ceramics containing long-period polytypes. Journal of Materials Science, 18 (2). pp. 525-532. ISSN 0022-2461. doi:10.1007/BF00560642.

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Two AIN-SiO_2 materials have been investigated by means of electron microscopy; fracture toughness has been used to characterize both materials. Three new long-period polytypes, close to the 2H hexagonal AIN structure, have been identified by high-resolution electron microscopy, namely 33R, 24H and 39R. These polytypes are built on the same stacking principle as those in the previously observed shorter polytypes in the AIN system. Indentation measurements indicate similar hardness and toughness for the different polytypes in these ceramics.

Item Type:Article
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Faber, K. T.0000-0001-6585-2536
Additional Information:© 1983 Chapman and Hall. Received 1 June and accepted 14 July 1982. This work was supported by NSF Grant DMR 802 3461. Support for KTF was provided by the Carborundum Company, Niagara Falls, New York. The authors are grateful to L. Andersen for the preparation of electron microscopy samples and to A.G. Evans for helpful discussions.
Funding AgencyGrant Number
NSFDMR 802 3461
Carborundum CompanyUNSPECIFIED
Issue or Number:2
Record Number:CaltechAUTHORS:20140908-181331539
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:49460
Deposited By: George Porter
Deposited On:11 Sep 2014 18:24
Last Modified:10 Nov 2021 18:44

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