Fabrication and Plasmas-Relevant Properties of B4C/Cu Coating FGM

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Abstract:

in this work, two kinds of boron carbide coating based on copper substrates, which are non-FGM B4C/Cu coating and FGM B4C/Cu coating, have been fabricated successfully. It is found that the chemical sputtering yield of B4C measures by LAS2000 apparatus is much lower than that of SMF800 graphite under the conditions of 3keV, 4.6E 15D+ /s/cm2 irradiation, and that FGM-B4C coating has much better performance than non-FGM-B4C coating in thermal shock tests. Thermal desorption performance and physical sputtering damage after plasma irradiation are also evaluated.

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257-260

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November 2013

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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