Showing 11 - 13 of 13 UKAEA Paper Results
2015
A. Xu C. Beck D. E. J. Armstrong K. Rajan G. D.W. Smith P. A. J. Bagot S. G. Roberts
This study examines clustering and hardening in W–2 at.% Re and W–1 at.% Re–1 at.% Os alloys induced by 2 MeV W + ion irradiation at 573 and 773 K. Such clusters are known precursors to the formation of embrittling precipitates, a potentially life-limiting phenomenon in the oper- ation of fusion reactor components. Increases in hardness were …
Published2015
J. S. K. L. Gibson S. G. Roberts D. E. J. Armstrong
Nanoindentation has been performed on tungsten, unimplanted and helium-implanted to $ 600 appm, at temperatures up to 750 1 C. The hardening effect of the damage was 0.90 GPa at 50 1 C, but is negligible above 450 1 C. The hardness value at a given temperature did not change on re-testing after heating to 750 1 C. This suggests that the helium is t…
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