The Metallurgy of Vanadium

Rostoker, W.; Kolodney, M.

doi:10.1149/1.2428903

Cited by 43 publications

(6 citation statements)

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“…However, according to the V-H phase diagram [14], VH 2 (␥) phase should decompose to VH 0.8 (␤ 2 ) and V 2 H (␣) phase at atmospheric pressure and room temperature. One possible explanation is that when the samples are exposed to air at low temperature a thin oxide layer may form, retarding or stopping the decomposition [48][49][50]. Reilly and Wiswall [19] have reported very slow decomposition of such hydrides in air, but we did not observe any change in the X-ray powder diffraction patterns even after 2 months, which gave us adequate time to conduct the XRD experiments.…”

Section: Methodsmentioning

confidence: 62%

Hydriding and structural characteristics of thermally cycled and cold-worked V–0.5at.%C alloy

Chandra

Sharma

Chellappa

et al. 2008

Journal of Alloys and Compounds

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Section: Methodsmentioning

confidence: 62%

Hydriding and structural characteristics of thermally cycled and cold-worked V–0.5at.%C alloy

Chandra

Sharma

Chellappa

et al. 2008

Journal of Alloys and Compounds

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“…How many man-hours of contact with the radioactive materials will be required for vanadium alloy recycle, and what will the average worker dose be (pSv/tonne of alloy recycled)? 6. How much will the remote handling,storage, vacuumrefming, refabrication, and reinstallation processescost pertonne of alloy recycled?…”

Section: Discussionmentioning

confidence: 99%

Vanadium recycling for fusion reactors

Dolan¹,

Butterworth²

1994

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Very stringent purity specifications must bc applied to low activation vanadium alloys, hi orderto meet recycling goals requiring low residual dose rates after 50-100 years. Methods of vanadium q. production and purification which might meet these limits are described. Following a suitable cooling period after their use, the vanadium alloy components can bc melted in a controlled atmosphere to remove volatile radioisotopes. The aim of the melting and decontamination process will be the achievement of dose ratcs low enough for "hands-on" refabrication of new reactor components from the reclaimed metal. The processes rexluiredto permit hands-on recycling appear to bc technically feasible, and demonstration experiments arc recommended. Background information relevant to the use of vanadium alloys in fusion reactors, including health hazards, resources, and economics, is provided.

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“…The aqueous corrosion and oxidation resistance as well as the high-temperature strength that can be imparted to vanadium by columbium additions present an appreciable improvement over other vanadium base systems (3,4). Relatively simple alloys such as the 50% V-50% Cb or 60% V-40% Cb compositions exhibit degrees of corrosion resistance and elevated temperature strength that compare favorably with the best materials in present day commercial use.…”

Section: Summary and Discussionmentioning

confidence: 99%