Emile Gabbay
General Electric
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Publication
Featured researches published by Emile Gabbay.
Journal of The European Ceramic Society | 1995
Armando Zanchetta; Pierre Lefort; Emile Gabbay
Abstract Glass to metal sealings necessitate a pre-oxidation of the metal, producing a thin superficial oxide layer. In the case of porcelain-kovar junctions a glassy interphase is necessary, which reacts and dissolves the oxide layer during the bonding thermal treatment. In the interfacial zone this leads to a good fitting of the thermal expansion coefficients of the phases present: in the alloy the superficial part is impoverished in iron and its thermal expansion coefficient is close to that of the FeO-rich glass which has dissolved the oxide layer. The resulting buffer zone limits the effect of strains appearing during cooling at the end of the bonding thermal treatment. Moreover, the FeO-rich glass penetrates the open porosity of the superficial alloy layer (due to its pre-oxidation) providing a good physical adherence of glass to kovar. At the porcelain-glass interface there is no problem because of the similarity of dilatometric behaviour of the two materials.
Archive | 1983
Andre Plessis; Emile Gabbay
Archive | 1986
Andre Plessis; Emile Gabbay; Jacques Trotel
Archive | 1988
Emile Gabbay; Jacques Le Guen
Archive | 1987
Emile Gabbay; Jacques Le Guen
Archive | 1990
Jean-Marie Penato; Emile Gabbay
Archive | 1988
Jacques Leguen; Emile Gabbay
Archive | 1984
Emile Gabbay; Andre Plessis
Archive | 1983
Andre Plessis; Emile Gabbay
Archive | 1981
Emile Gabbay; Jean-Marie Penato