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Optimization of NbTi alloy forging process
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Affiliation:

Western Superconducting Technologies Co,Ltd,Xi’an;China,Western Superconducting Technologies Co,Ltd,Xi’an;China,Western Superconducting Technologies Co,Ltd,Xi’an;China,Western Superconducting Technologies Co,Ltd,Xi’an;China,Western Superconducting Technologies Co,Ltd,Xi’an;China,Western Superconducting Technologies Co,Ltd,Xi’an;China

Fund Project:

National Basic Research Program of China (50874056)

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    Abstract:

    The superconducting materials have been widely used in the high-tech fields, e.g. high-energy physics, controlled thermonuclear fusion, energy storage device and maglev etc. The NbTi alloy as a typical low-temperature superconducting material occupies a very important place. By simulated calculation with DEFORM, the dynamic behavior of the forging process has been studied. Further, combined with practical process, the evolution of the microstructure has been obtained, and the preparation technology of the NbTi alloy bars has been acquired. According to the results of simulated calculation, it indicates that the NbTi alloy is deformed homogeneously under a small deformation range, the 1/3 length press and the reversal stretch, which eliminates effectively the deformation dead zone. This optimized technology used to produce NbTi alloy bars, which is well satisfied with the related requirement, has been perfomed in industrial production.

    Reference
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[Du Yuxuan, Fu Baoquan, Hao Fang, Zhang Yi, Feng Yong, Liu Xianghong. Optimization of NbTi alloy forging process[J]. Rare Metal Materials and Engineering,2016,45(10):2752~2756.]
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History
  • Received:May 09,2015
  • Revised:July 14,2015
  • Adopted:September 07,2015
  • Online: November 10,2016