Brazed X-ray tube anode

Details Brazed X-ray tube anode Brazed X-ray tube anode

1992-02-07

1993-01-12

Heinrich, Samuel M.

Metal fusion bonding

Process

Metal to nonmetal with separate metallic filler

228239, 22826312, H01J 3510, B23K 119

Patent

active

051783169

ABSTRACT:
A method of bonding a metallic target layer and a graphite disk to provide a composite rotating X-ray tube target wherein a layer of vanadium, titanium, or their alloys is placed between the target layer and the graphite disk. The assembly is heated in a rapid manner through a temperature range as provided by a carbon-braze metal eutectic temperature and a braze metal melt temperature with continued heating to a temperature of 75.degree. C. above the melt temperature. The elevated temperature is maintained for about 5 minutes and then the assembly is cooled in a rapid manner through the temperature range. A composite X-ray tube target is produced having a high remelt temperature and bond strength.

REFERENCES:
patent: H547 (1988-11-01), Lux et al.
patent: Re31369 (1983-09-01), Devine, Jr.
patent: 4132917 (1979-01-01), Bildstein et al.
patent: 4145632 (1979-03-01), Devine, Jr.
patent: 4276493 (1981-06-01), Srinivasa et al.
patent: 4380471 (1983-04-01), Lee et al.
patent: 4978051 (1990-12-01), Tiearney, Jr. et al.
Metals Handbook Ninth Edition, vol. 6, "Brazing of Carbon and Graphite", pp. 1061-1063, copyright 1983.

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