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Strength of Zirconium Diboride to 2300°C

Journal of the American Ceramic Society, 2013-01, Vol.96 (1), p.47-50 [Peer Reviewed Journal]

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Title:
Strength of Zirconium Diboride to 2300°C
Author: Neuman, Eric W. ; Hilmas, Gregory E. ; Fahrenholtz, William G.
Dominguez-Rodriguez, A. ; Dominguez‐Rodriguez, A.
Subjects: Argon ; Atmosphere ; Atmospherics ; Bend strength ; Ceramic powders ; Ceramics ; Hot pressing ; Measurement ; Strength ; Temperature ; Zirconium
Is Part Of: Journal of the American Ceramic Society, 2013-01, Vol.96 (1), p.47-50
Description: The strength of zirconium diboride (ZrB2) ceramics was measured up to 2300°C, which are the first reported measurements above 1500°C since 1970. ZrB2 ceramics were prepared from commercially available powder by hot pressing. A mechanical testing apparatus capable of testing material in the ultra‐high temperature regime with atmosphere control was built, evaluated, and used. Four‐point bend strength was measured as a function of temperature up to 1600°C in air and between 1500°C and 2300°C in argon. Strength between room temperature and 1200°C was ~390 MPa, decreasing to a minimum of ~170 MPa between 1400°C and 1500°C, with strength increasing to ~220 MPa between 1600°C and 2300°C.
Publisher: Columbus: Blackwell Publishing Ltd
Language: English
Identifier: ISSN: 0002-7820
EISSN: 1551-2916
DOI: 10.1111/jace.12114
CODEN: JACTAW
Source: Alma/SFX Local Collection

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