Characteristics of cathode spot motion on nanocrystalline CuCr25 alloy

  • Qingfeng Wang
  • , Shumao Cui
  • , Ruili Zhang
  • , Shengchun Yang
  • , Zhimao Yang
  • , Bingjun Ding

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

The motion of cathode spots on coarse-grained and nanocrystalline CuCr25 under ultra-high vacuum condition were observed by a digital high speed video camera. The results show that the motion of spots on coarse-grained CuCr25 are restricted on Cr particle right opposed to the anode, while on nanocrystalline CuCr25, spots could reach places far from the position right opposed to the anode. The novel difference of the motion of spots is due to the diminished particle size of Cr and the increase of the number of boundary.

Original languageEnglish
Pages (from-to)641-643
Number of pages3
JournalXiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering
Volume37
Issue number4
StatePublished - Apr 2008

Keywords

  • Cathode spot
  • CuCr alloy
  • High-speed video

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