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High temperature stability and thermal expansion behavior of molybdenum-chromium M_2C carbides

Knepfler, C. A. and Faber, K. T. and Weertman, J. and Olson, G. B. and Hubbard, C. R. and Cavin, O. B. and Packen, N. (1997) High temperature stability and thermal expansion behavior of molybdenum-chromium M_2C carbides. Journal of Alloys and Compounds, 248 (1-2). pp. 139-142. ISSN 0925-8388 . http://resolver.caltech.edu/CaltechAUTHORS:20140908-181325896

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Abstract

The thermal expansion of molybdenum-chromium M_2C carbides has been studied over the temperature range from room temperature to 900°C using high-temperature X-ray diffraction. Hyperstoichiometric carbides demonstrated hysteretic thermal expansion/contraction as excess carbon was lost upon heating above 750°C in an inert environment. Coefficients of thermal expansion of both the a and c axes increase linearly with chromium content.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1016/S0925-8388(96)02442-5DOIArticle
http://www.sciencedirect.com/science/article/pii/S0925838896024425PublisherArticle
Alternate Title:High temperature stability and thermal expansion behavior of molybdenum-chromium M2C carbides
Additional Information:Copyright © 1997 Elsevier. Received 7 June 1996. This work was supported by the Army Research Office through Grant #DAAH-04-93-0471 with supplemental support from the Ford Motor Company. K.T.F. was supported by the National Science Foundation through Grant #DMR-9023629.
Funders:
Funding AgencyGrant Number
Army Research Office (ARO)DAAH-04-93-0471
Ford Motor CompanyUNSPECIFIED
NSFDMR-9023629
Subject Keywords:M_2C carbides; Thermal expansion; Non-stoichiometry; High-temperature X-ray diffraction
Record Number:CaltechAUTHORS:20140908-181325896
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20140908-181325896
Official Citation:C.A. Knepfler, K.T. Faber, J. Weertman, G.B. Olson, C.R. Hubbard, O.B. Cavin, N. Packen, High temperature stability and thermal expansion behavior of molybdenum-chromium M2C carbides, Journal of Alloys and Compounds, Volume 248, Issues 1–2, 15 February 1997, Pages 139-142, ISSN 0925-8388, http://dx.doi.org/10.1016/S0925-8388(96)02442-5. (http://www.sciencedirect.com/science/article/pii/S0925838896024425)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:49414
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:09 Sep 2014 20:48
Last Modified:09 Sep 2014 20:48

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