Fabrication and Evaluation of B4C/Cu FGM as Plasma Facing Materials |
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| Journal | Materials Science Forum (Volumes 475 - 479) |
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| Volume | PRICM-5 |
| 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 | Zhang Jian Zhou et al., 2005, Materials Science Forum, 475-479, 1475 |
| Online since | January, 2005 |
| Authors | Zhang Jian Zhou, Chang Chun Ge |
| Keywords | B4C, Functionally Graded Material (FGM), Plasma Facing Material |
| 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. |
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