Structural and mechanical properties of a refractory concrete for superplastic forming tools

Abstract : Mineral polymer cements are new synthetic refractory materials similar to natural tecto-alumino-silicates. They can be used as binder phase in refractory concretes. Such concretes present some attractive properties such as low shrinkage and low thermal expansion coefficient which make them good candidates for high temperature applications The aim of this study is to characterise a new refractory material made of a mineral polymer cement reinforced with cordierite aggregates for applications as ceramic moulds for titanium superplastic forming at 925 degrees C. In a first part, the structural transformations of the concrete during the first heating have been characterised. A set of optimal conditions has been determined taking into account the stabilisation heat treatment in order to decrease the binder shrinkage influence and to minimise crack formation. In a second part, the mechanical properties have been measured by three point bending tests and compressive tests from room temperature up to 925 degrees C.
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Article dans une revue
Industrial Ceramics, Ceramurgica, 1999, 19 (2), pp.100-102
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https://hal.archives-ouvertes.fr/hal-01714947
Contributeur : Mines Albi Ecole Nationale Supérieure Des Mines d'Albi-Carmaux <>
Soumis le : jeudi 22 février 2018 - 09:08:58
Dernière modification le : mardi 31 juillet 2018 - 14:58:01

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  • HAL Id : hal-01714947, version 1

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Thierry Cutard, Emmanuel Cailleux, Philippe Lours, Gérard Bernhart. Structural and mechanical properties of a refractory concrete for superplastic forming tools. Industrial Ceramics, Ceramurgica, 1999, 19 (2), pp.100-102. 〈hal-01714947〉

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