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Phase Analysis of Nano-sized Particles in an As-forged W-1%La2O3 Alloy
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Shanghai Jiao Tong University,Shanghai Jiao Tong University

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TG146.4 11

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    Abstract:

    W–1% La2O3 alloy is considered as one of the candidate material for plasma-facing components of future fusion reactors. The phases of as-forged W–1% La2O3 alloy, especially the nano-sized particle phases, have been investigated using transmission electron microscopes.Eight kinds of particle phases have been found in the alloy. They are: three kinds of La2O3 phases; two kinds of WO3 phases; W3O8 phase; La0.14WO3 phase and (La2O3)5WO3 phase. La2O3, WO3 and W3O8 are dominant nano-sized phases in the alloy. These particles have sizes ranging from about 20 nm to about 100 nm. The possible formation processes of these particle phases are also discussed.

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[Xu Zhiqiang, Shen Yinzhong. Phase Analysis of Nano-sized Particles in an As-forged W-1%La2O3 Alloy[J]. Rare Metal Materials and Engineering,2016,45(10):2573~2577.]
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History
  • Received:August 04,2014
  • Revised:November 07,2014
  • Adopted:November 20,2014
  • Online: November 10,2016
  • Published: