Journal
CERAMICS INTERNATIONAL
Volume 34, Issue 7, Pages 1595-1602Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2007.05.002
Keywords
sintering; grain growth; Al2O3; gas pressure sintering
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This paper investigates densification and grain growth evolutions during gas pressure sintering of alumina. Isothermal sintering runs are performed under different nitrogen pressures: atmospheric pressure and 2 MPa. Experimental data are fitted thanks to constitutive laws in order to understand nitrogen pressure effect on densification and grain growth mechanisms of a fine-grained alumina. An optimal run of densification is proposed as an application of these results. (C) 2007 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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