By Bernard Delmon (auth.), Dr P. Grange, Prof. B. Delmon (eds.)
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Extra info for Interfaces in New Materials
This expression contains various meanings, especially in terms of scale. As clear as the signifiance is in nonreactive systems with only two components, a misunderstanding appears when the components react and form new interfaces (solid solutions, compounds). The metal-ceramic problems must be treated comprehensively and all the phenomena related to interface formation have to be considerated as a whole. To summarize, the term of 31 metal-ceramic interface includes the study of all the zones where the joining effects are felt.
E. Dray, in reference IS, p. M. G. Nicholas, Science of Ceramics, 14 (1983) p. C. Although coating techniques such as flame and plasma spraying are quite wide-spread in the industry, new needs to join bulky materials have emerged over the past couple of decades. In each case the problems stem mainly from the differences between the intrinsic properties of each material, such as: -atomic structure, -physical properties, -mechanical behaviour, -chemical properties. In order to produce reliable joinings, it is necessary to solve several problems due to new interface formations such as: -bad wetting of ceramics by molten metals, -achievement of good contact between the surfaces, -poor reactivity between materials at low temperature, -residual stress in the materials...
Conf. on Joining Ceramics, Glass & Metals. (1989) Ed. Informatonsgesellschaft. Verlag, p P. Batfalsky, J. Godzimba-Maliszewski, R. Lison. Proc. Inter. Conf. on Joining Ceramics, Glass & Metals. (1989) Ed. Informatonsgesellschaft. Verlag, p 325. C. Beraud, M. Courbiere, C. Esnouf, D. Juve, D. Treheux. J. Mater. Sci. 24, p4545. G. Heimke. Ber. Dt. Keram. Ges. Q.... 9, p103. M. Courbiere. These de doctorat, Ecole Centrale de Lyon (1986). J. T Klomp, A. J. T. Van de Ven. J. Mater. Sci. (1980)9, I I p2483.