Publication: Characterization of novel W alloys produced by HIP
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2007-12
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Elsevier
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Abstract
W and W alloys containing 0.5 wt% Y₂O₃, x wt% Ti and (x wt% Ti + 0.5 wt% Y₂O₃) have been prepared, x 2 or 4. Elemental powders were blended or ball milled, canned, degassed and finally consolidated by a two stage HIP process under a pressure of 195 MPa. It is found that Ti addition favours the densification attaining a fully dense material. XRD, SEM and EDX analyses of the material with Ti addition reveal the formation of a microstructure consisting of tungsten particles embedded in a W Ti matrix. The microhardness of these materials increased noticeably with the titanium content.
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Proceedings of: The Thirteenth International Conference on Fusion Reactor, Nice (France), 10–14 December 2007.
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Journal of Nuclear Materials 386–388 (2009), pp. 613–617