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Dynamic Young’s moduli of tungsten and tantalum at high temperature and stress
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Škoro, G .P., Bennett, J .R. J., Edgecock, T. R., Gray, S. A., McFarland, A. J., Booth, C. N., Rodgers, K. J. and Back, J. J. (2011) Dynamic Young’s moduli of tungsten and tantalum at high temperature and stress. Journal of Nuclear Material, Vol.409 (No.1). pp. 40-46. doi:10.1016/j.jnucmat.2010.12.222 ISSN 0022-3115.
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Official URL: http://dx.doi.org/10.1016/j.jnucmat.2010.12.222
Abstract
Recently reported results of the long lifetime of the tungsten samples under high temperature and high stress conditions expected in the Neutrino Factory target have strengthened the case for a solid target option for the Neutrino Factory. In order to study in more detail the behaviour of the material properties of tungsten, a dynamic method has been used for measurement of Young's modulus at high stress, high-strain-rates (>1000 s(-1)) and very high temperatures (up to 2650 degrees C). The method is based on measurements of the surface vibration of thin wires, stressed by a pulsed current, using a Laser Doppler Vibrometer. The measured characteristic frequencies under the thermal excitation have been used to obtain Young's modulus as a function of applied stress and temperature. The same procedure has been used to measure Young's modulus of tantalum up to 2500 degrees C. (C) 2010 Elsevier B.V. All rights reserved.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Journal or Publication Title: | Journal of Nuclear Material | ||||
Publisher: | Elsevier Science BV | ||||
ISSN: | 0022-3115 | ||||
Official Date: | 2011 | ||||
Dates: |
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Volume: | Vol.409 | ||||
Number: | No.1 | ||||
Page Range: | pp. 40-46 | ||||
DOI: | 10.1016/j.jnucmat.2010.12.222 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Funder: | Science and Technology Facilities Council (UK) |
Data sourced from Thomson Reuters' Web of Knowledge
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