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The present invention is directed a molybdenum alloy consisting essentially of a) molybdenum present in a major amount, b) tantalum and tungsten as major metal alloy additions and c) a minor amount of an element selected from the group consisting of boron, hafnium, carbon and mixtures thereof. The invention is also directed to an X-ray tube anode composed of a molybdenum alloy body having a focal track thereon, with the body consisting essentially of the above-described molybdenum alloy. 

 

Claims

 

1. A molybdenum alloy consisting essentially of a) molybdenum present in a major amount, b) tantalum and tungsten as major metal alloy additions and c) a minor amount of an element selected from the group consisting of boron, hafnium, carbon and mixtures thereof. 

 

2. The molybdenum alloy of claim 1, wherein a) said molybdenum is present in an amount of from about 91 to about 98% by weight, b) said tantalum is present in an amount of from about 0.5 to about 5% by weight and said tungsten is present in an amount of from about 0.5 to about 5% by weight, and c) said boron is present in an amount of from 0 to 0.09% by weight, said hafnium is present in an amount of from 0 to 0.09% by weight, said carbon is present in an amount of from 0 to 0.09% by weight, with the proviso thati) said component b) is present in an amount of 1.73% by weight to 8.995% by weight andii) component c) is present in an amount of from about 0.005 to 0.27% by weight. 

 

3. An X-ray tube anode composed of a molybdenum alloy body having a focal track thereon, said body consisting essentially of the alloy of claim 1. 

 

4. An X-ray tube anode composed of a molybdenum alloy body having a focal track thereon, said body consisting essentially of the alloy of claim 2. 

 

 

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