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Dive into the research topics where Emile Gabbay is active.

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Featured researches published by Emile Gabbay.


Journal of The European Ceramic Society | 1995

Thermal expansion and adhesion of ceramic to metal sealings: Case of porcelain-kovar junctions

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

X-ray tube for producing a high-efficiency beam and especially a pencil beam

Andre Plessis; Emile Gabbay


Archive | 1986

X-ray examination apparatus

Andre Plessis; Emile Gabbay; Jacques Trotel


Archive | 1988

Compact type X-ray emitter

Emile Gabbay; Jacques Le Guen


Archive | 1987

Device for the cooling of an x-ray source

Emile Gabbay; Jacques Le Guen


Archive | 1990

Anode for x-ray tubes

Jean-Marie Penato; Emile Gabbay


Archive | 1988

X-ray tube with low extra-focal radiation

Jacques Leguen; Emile Gabbay


Archive | 1984

Rotating anode X-ray tube provided with a charge flow device

Emile Gabbay; Andre Plessis


Archive | 1983

Scanning X-ray tube

Andre Plessis; Emile Gabbay


Archive | 1981

X-ray tube containing a universal limiter for secondary radiation

Emile Gabbay; Jean-Marie Penato

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Armando Zanchetta

Centre national de la recherche scientifique

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Pierre Lefort

Centre national de la recherche scientifique

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