Volume 95, Number 4, August 2011
|Number of page(s)||4|
|Section||Interdisciplinary Physics and Related Areas of Science and Technology|
|Published online||05 August 2011|
A multitask neutron beam line for spallation neutron sources
Centro NAST Università degli Studi di Roma Tor Vergata - Roma Italy, EU
2 Università degli Studi di Roma Tor Vergata - Roma Italy, EU
3 CNR-ISC - Firenze, Italy, EU
4 STFC-ISIS Facility - Chilton-Didcot, UK, EU
5 Museo Stibbert - Firenze, Italy, EU
Accepted: 5 July 2011
Here we present a new concept for a time-of-flight neutron scattering instrument allowing for simultaneous application of three different techniques: time-of-flight neutron diffraction, neutron resonance capture analysis and Bragg edge transmission analysis. The instrument can provide average resolution neutron radiography too. The potential of the proposed concept was explored by implementing the necessary equipment on INES (Italian Neutron Experimental Station) at the ISIS spallation neutron source (UK). The results obtained show the effectiveness of the proposed instrument to acquire relevant quantitative information in a non-invasive way on a historical metallurgical sample, namely a Japanese hand guard (tsuba). The aforementioned neutron techniques simultaneously exploited the extended neutron energy range available from 10 meV to 1 keV. This allowed a fully satisfactory characterization of the sample in terms of metal components and their combination in different phases, and forging and assembling methods.
PACS: 81.70.-q – Methods of materials testing and analysis / 89.90.+n – Other topics in areas of applied and interdisciplinary physics (restricted to new topics in section 89) / 29.30.Hs – Neutron spectroscopy
© EPLA, 2011
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