Journal ArticleDOI
Gas tungsten arc welding of vanadium alloys with impurity control
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In this article, a combination of atmosphere control, alloy purity control, and grain size control was used to obtain a DBTT of −145 °C for vanadium alloys in high-purity argon atmosphere.About:
This article is published in Journal of Nuclear Materials.The article was published on 2002-12-01. It has received 20 citations till now. The article focuses on the topics: Shielding gas & Gas tungsten arc welding.read more
Citations
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Materials to deliver the promise of fusion power – progress and challenges
TL;DR: The International Fusion Materials Irradiation Facility (IFMIF) as mentioned in this paper has been proposed to fill a critical need for fusion materials development, which can provide safe, economical, and environmentally acceptable energy.
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Overview of the vanadium alloy researches for fusion reactors
TL;DR: In this article, the authors highlight the recent activities of these vanadium alloy researches, discuss the critical issues and summarizes the remaining issues to be addressed, and some efforts are oriented to issues related to DEMO blanket manufacturing technology, such as W coating for first wall protection and the welding technologies to fabricate large vanadium component.
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The research on the constitutive modeling and hot working characteristics of as-cast V–5Cr–5Ti alloy during hot deformation
TL;DR: In this article, a constitutive equation by which the flow stress was expressed as a function of strain rate and deformation temperature was established and the apparent activation energy of deformation was calculated to be 428.480kJ/mol.
Journal ArticleDOI
Austenite Grain Growth in Heat Affected Zone of Zr-Ti Bearing Microalloyed Steel
TL;DR: In this article, an analytical model for predicting the austenite grain size in the heat affected zone was derived based on the experimental measurements, and the grain growth depends mainly on heat input and peak temperature as well as growth activation energy and exponent.
Journal ArticleDOI
Initial characterization of V–4Cr–4Ti and MHD coatings exposed to flowing Li
Bruce A. Pint,Steven J Pawel,Michael Howell,Jeremy L Moser,George Walter Garner,Michael L. Santella,Peter F. Tortorelli,F.W. Wiffen,J.R. DiStefano +8 more
TL;DR: In this article, the compatibility of V-4Cr-4Ti and a multi-layer electrically-insulating coating needed to reduce the magneto hydrodynamic (MHD) force in the first wall of a lithium cooled blanket was evaluated.
References
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Journal ArticleDOI
Effect of grain size and temperature on slip, twinning and fracture in 3% silicon iron
TL;DR: The importance of twinning in brittle fracture has been studied in a 3 per cent silicon iron as mentioned in this paper, and it is concluded that twins nucleate cracks as they do in single crystals.
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Microstructure control to improve mechanical properties of vanadium alloys for fusion applications
TL;DR: In this article, a process for microstructure control to solve the issue is proposed and applied to fabricate a vanadium alloy and the microstructures and mechanical properties of the fabricated alloy are also presented.
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Development of techniques for welding V-Cr-Ti alloys
TL;DR: In this article, a gas tungsten arc (GTA) welding was performed in a glove box environment to reduce interstitial impurity introduction and redistribution at elevated temperatures, and the welds were evaluated by Charpy testing.
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Effects of oxygen, nitrogen and carbon additions on the mechanical properties of vanadium and V/Mo alloys
TL;DR: In this paper, the effects of oxygen, nitrogen and carbon additions on the mechanical properties at room temperature of vanadium and V-Mo alloys containing up to 25 at% molybdenum were studied.