Results 221 to 230 of about 3,618 (265)

Vanadium Alloys in Aerospace

JOM, 1963
The potential of V alloys for applications above 2000 deg F is described. Mechanical properties are tabulated and reviewed, with major emphasis on the V-Nb alloys. Evaluations of fabricability are considered, and investigations of several oxidation-protection systems, particularly packsiliconizing treatment are detailed. (auth) nium dioxide. (auth)
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Thermotransport and diffusion of carbon in vanadium and vanadium-titanium alloys

Journal of the Less Common Metals, 1986
Abstract Studies concerning the thermotransport and diffusion of carbon in vanadium and V-Ti alloys were made using a radioactive tracer technique. Thermotransport of carbon is towards the hotter region for all compositions, which corresponds to a negative heat of transport. Its magnitude decreases monotonically with increasing titanium content from −
Mehmet Uz, O.N. Carlson
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Calorimetric Studies of the Behavior of Hydrogen in Vanadium and Vanadium Alloys

Journal of the Physical Society of Japan, 1985
Calorimetric measurements have been made on vanadium hydride (and deute-ride) to investigate the origin of excess specific heat due to H(D) atoms and the mechanism of phase transitions. The specific heat in the α phase was found to increase linearly with H(D) concentration at the rate of 2.0±0.1 k B /H atom and 2.4±0.1 k B /D atom at 240°C, nearly ...
Kenji Watanabe, Yuh Fukai
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Alloys with Vanadium

1991
The phase diagram shown in Fig. 100 is due to [1]. A diagram covering the whole composition range was produced at about the same time by [2]. Although there is good agreement in some respects, there are also considerable differences, especially with regard to melting points, and in view of the authors’ own comments on the small number of samples ...
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Application of vanadium and vanadium alloys to a fusion reactor blanket

Journal of Nuclear Materials, 1984
Abstract Vanadium and vanadium alloys are of interest in fusion reactor blanket applications due to their low induced radioactivity and outstanding elevated temperature mechanical properties during neutron irradiation. The major limitation to the use of vanadium is its sensitivity to oxygen impurities in the blanket environment, leading to oxygen ...
J. Bethin, A. Tobin
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Alloying and impurity effects in vanadium-base alloys

Journal of Nuclear Materials, 1986
Abstract Vanadium-base alloys offer a number of significant advantages over other alloy systems for fusion reactor structural applications. However, the properties and performance of vanadium are strongly influenced by the choice of alloying additions and the presence of impurity elements, and these effects are reviewed in this paper.
D.R. Diercks, B.A. Loomis
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In-Reactor Sodium Corrosion of Vanadium and Vanadium-Titanium Alloys

Nuclear Applications, 1968
Vanadium-titanium alloys, exposed to flowing sodium in the EBR-II core suffered small weight losses.
S. Greenberg, C. F. Cheng, W. E. Ruther
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Investigation on mechanical alloying process for vanadium alloys

Journal of Nuclear Materials, 2013
Abstract Mechanical alloying (MA) is an efficient approach for fabricating particle-dispersion alloys, and has recently been introduced to strengthen structural materials including vanadium alloys for fusion application. Dissolution behavior of the alloying elements is a key issue for optimizing MA in fabricating particle-dispersion vanadium alloys ...
P.F. Zheng, T. Nagasaka, T. Muroga, J.M. Chen   +3 more
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Recovery and recrystallization of vanadium alloys

Journal of Nuclear Materials, 1996
Abstract A vanadium alloy containing 4 wt% Cr and 4 wt% Ti has been identified as a promising candidate structural alloy for liquid metal-cooled blankets in fusion power reactors. Studies of recovery, recrystallization and precipitation kinetics are in progress to provide the metallurgical basis for the development of improved properties.
A.N. Gubbi, A.F. Rowcliffe
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Interdiffusion in niobium-vanadium alloys

Journal of the Less Common Metals, 1965
Abstract A determination of the variation of interdiffusion coefficient with composition for Nb-V alloys has been made for diffusion temperatures of 1404°, 1505°, 1630° and 1750°C. Three types of doubly infinite couples were employed: Nb/V, Nb/alloy and V/alloy, where the alloy was 50 at.% Nb.
R.C. Geiss, C.S. Hartley, J.E. Steedly
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