Lifetime and strength tests of tantalum and tungsten under thermal shock for a Neutrino Factory target

Bennett, J.R.J., Škoro, G.P., Back, John, Brooks, S.J., Edgecock, R., Gray, S.A., McFarland, A.J., Rodgers, K.J. and Booth, C.N. (2011) Lifetime and strength tests of tantalum and tungsten under thermal shock for a Neutrino Factory target. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 646 (1). pp. 1-6. ISSN 0168-9002

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Abstract

A description is given of tests on tantalum and tungsten wires to evaluate their lifetime and strength under the thermal shock that will be experienced when a solid target is bombarded with short pulses of high energy protons in a Neutrino Factory. The results of lifetime tests and measurements of dynamic strength characteristics at high temperatures, stresses and strain rates using a laser Doppler vibrometer are given. The tests show that a solid tungsten target will have a life of at least 3 years, which, with other beneficial characteristics, make it an excellent candidate for the Neutrino Factory.

Item Type:	Article
Uncontrolled Keywords:	Tantalum; Tungsten; Thermal shock; Material strength; Target lifetime; Neutrino Factory
Subjects:	Q Science > Q Science (General) Q Science > QC Physics
Schools:	School of Applied Sciences
Depositing User:	Sharon Beastall
Date Deposited:	03 Oct 2012 08:21
Last Modified:	03 Oct 2012 08:21
URI:	http://eprints.hud.ac.uk/id/eprint/15269

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