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Effect of Mo on Microstructure and properties of NbCr2/Nb Alloy
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1.Nanchang Hongkong University;2.Nanchang University

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    Abstract:

    NbCr2/Nb-XMo (X=0, 2.5, 5.0, 7.5, 10at.%) alloys have been prepared by mechanical alloying and hot pressing. The effects of Mo on microstructures and properties of the NbCr2/Nb alloy have been studied. The results show that the additions of Mo element do not change the phase components of the NbCr2/Nb alloy, which are composed of Nb solid solution and NbCr2. Adding alloying element Mo can increase the stress at the NbCr2 / Nb phase interfaces, which promotes the increase of stacking fault /twinning in the NbCr2 particles and the movement of dislocations in the Nb matrix. The NbCr2 / Nb alloy adding with appropriate amount of alloying element Mo can maintain good plasticity and toughness as well as higher strength.

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[Deng Li-ping, Lu Shi-qiang, Tang Bin-bing, Lei Zhi-li, Gao Jun. Effect of Mo on Microstructure and properties of NbCr2/Nb Alloy[J]. Rare Metal Materials and Engineering,2019,48(5):1476~1480.]
DOI:10.12442/j. issn.1002-185X.20180042

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History
  • Received:January 11,2018
  • Revised:February 26,2018
  • Adopted:March 12,2018
  • Online: June 04,2019
  • Published: