Brazed X-ray tube anode
AssigneeGeneral Electric Company
InventorWayne F. Block
Life of this patent
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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.
Claims10
A method of bonding a metallic target layer containing molybdenum and a graphite disk to provide a composite rotating X-ray tube target comprising:
- placing a braze metal layer of vanadium or titanium or alloys thereof between said metallic target layer and said graphite disk to provide an assembly;
- heating said assembly in a rapid manner through a temperature range as defined by a carbon-braze metal eutectic temperature and a braze metal temperature;
- continue heating said assembly to an elevated temperature in the range of 50.degree.-100.degree. C. above a melt temperature of said braze metal;
- maintaining said elevated temperature until a complete melting of said braze metal and an intermixing with the molybdenum is effected;
- and
- cooling said heated assembly through said temperature range in a rapid manner.
Dependencies are inferred from the claim text.