Paper Title:
Fabrication and Evaluation of B4C/Cu FGM as Plasma Facing Materials
  Abstract

B4C is a promising candidate for using as plasma-facing material in fusion devices. In this paper, both B4C/Cu coating FGM (Funetionally graded material) and B4C/Cu bulk FGM containing a spectrum of 0-100% compositional distributions of B4C were fabricated by atmosphere plasma spray and ultra-high pressure consolidation respectively. The microstructure of B4C/Cu FGM showed good graded composition distribution. Water quenching and high heat loading experiments using an electron beam were carried out to evaluate the high heat load resistance of B4C/Cu FGMs. The in situ plasma irradiation in a Tokamak facility showed that the B4C/Cu bulk FGM has higher physical sputtering performance than that of B4C/Cu coating FGM.

  Info
Periodical
Materials Science Forum (Volumes 475-479)
Main Theme
Edited by
Z.Y. Zhong, H. Saka, T.H. Kim, E.A. Holm, Y.F. Han and X.S. Xie
Pages
1475-1478
DOI
10.4028/www.scientific.net/MSF.475-479.1475
Citation
Z. J. Zhou, C. C. Ge, "Fabrication and Evaluation of B4C/Cu FGM as Plasma Facing Materials", Materials Science Forum, Vols. 475-479, pp. 1475-1478, 2005
Online since
January 2005
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$32.00
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