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| Research of transition layer materials and its constitution used for medical X-ray tube rotating-anode target |
| XIAO Li-peng,Lü Jian-gang |
| （Institute of Machinery Manufacturing Technology, China Academy of Engineering Physics, Mianyang 621900, China） |
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Abstract The conventional X-ray tube rotating-anode target is usually produced by CVD technology, in which the utilization rate of raw materials is less and the product performance is poor. Although the product performance can be greatly improved by powder metallurgy method, the great difference in compaction properties between tungsten powder and molybdenum powder results in a bad bonding strength, and leads subsequently to separate layers between tungsten and molybdenum during pressing, sintering and even X-ray working. A transition layer was used to increase the bonding strength between tungsten and molybdenum, thus improve the working performance of X-ray tube.
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Received: 16 January 2015
Published: 08 December 2015
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2015, Vol. 25 
