Fabrication and Evaluation of B4C/Cu FGM as Plasma Facing Materials

Zhang Jian Zhou; Chang Chun Ge

doi:10.4028/www.scientific.net/MSF.475-479.1475

Paper Titles

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HomeMaterials Science ForumMaterials Science Forum Vols. 475-479Fabrication and Evaluation of B4C/Cu FGM as Plasma...

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.

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Periodical:

Materials Science Forum (Volumes 475-479)

Pages:

1475-1478

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.475-479.1475

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Online since:

January 2005

Authors:

Zhang Jian Zhou, Chang Chun Ge

Keywords:

B₄C, Functionally Graded Material (FGM), Plasma Facing Material

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References

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