Refine your search�ソスF     
Report No.
 - 

Deuterium retention in porous vacuum plasma-sprayed tungsten coating exposed to low-energy, high-flux pure and helium-seeded D plasma

Alimov, V.; Tyburska, B.*; Ogorodnikova, O. V.*; Roth, J.*; Isobe, Kanetsugu; Yamanishi, Toshihiko

Deuterium retention in porous vacuum plasma spraying tungsten coating exposed at various temperatures to a low-energy, high flux (10$$^{22}$$ D/m$$^{2}$$s) pure D and helium-seeded D plasmas was examined by thermal desorption spectroscopy and the nuclear reaction. Under exposure to pure D plasma (76 eV D$$_{2}$$$$^{+}$$) at 340-560 K, the D concentration reaches 1$$sim$$2 at.% at depths of several micrometers, while at temperatures above 700 K the D concentration is below 10$$^{-2}$$ at.% and deuterium is retained over the whole thickness of the coating. Seeding of 76 eV He$$^{+}$$ into the D plasma reduces the D retention at temperatures of 400-600 K. However, at temperature above 700 K, the D retention becomes comparable to that for pure D plasma exposure.

Accesses

:

- Accesses

InCites™

:

Percentile:74.1

Category:Materials Science, Multidisciplinary

Altmetrics

:

[CLARIVATE ANALYTICS], [WEB OF SCIENCE], [HIGHLY CITED PAPER & CUP LOGO] and [HOT PAPER & FIRE LOGO] are trademarks of Clarivate Analytics, and/or its affiliated company or companies, and used herein by permission and/or license.