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Microstructure refinement of alumina Optimisation by gas pressure sintering process

Abstract : 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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https://hal-emse.ccsd.cnrs.fr/emse-00498521
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Submitted on : Wednesday, July 7, 2010 - 4:29:16 PM
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Cécile Nivot, François Valdivieso. Microstructure refinement of alumina Optimisation by gas pressure sintering process. Ceramics International, Elsevier, 2008, 34 (7), pp.1595-1602. ⟨10.1016/j.ceramint.2007.05.002⟩. ⟨emse-00498521⟩

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