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Residual stresses in ceramic metal assembly after brazing process

Cazajus, Vincent and Lorrain, Bernard and Welemane, Hélène and Karama, Moussa Residual stresses in ceramic metal assembly after brazing process. (2006) Advances in Science and Technology, vol. 45 . pp. 1543-1550. ISSN 1662-8969

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Official URL: http://dx.doi.org/10.4028/www.scientific.net/AST.45.1543

Abstract

The framework of this study is the thermo-mechanical analysis of the brazing process of ceramic metal assemblies. The thermal expansion gradient between ceramic and metallic materials leads to the development of residual stresses during the cooling phase of the brazing process which induce consequently an important reduction of the strength of these composite structures. In the present work, numerical simulations are performed in order first to predict the residual stresses distribution after the brazing process and in a second step, to study their influence on the tensile strength of metallized ceramic seals. Results obtained are compared with experimental tests.

Item Type:Article
Additional Information:Thanks to Trans Tech Publications editor. The definitive version is available at http://www.scientific.net The original PDF of the article can be found at Advances in Science and Technology website : http://dx.doi.org/10.4028/www.scientific.net/AST.45.1543
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution: Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Laboratory name:
Laboratoire Génie de Production - LGP (Tarbes, France) - Mécanique des Matériaux des Structures et Procédés
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Deposited By:Helene Welemane

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