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Metals 2015, 5(4), 2340-2350; doi:10.3390/met5042340

Forge-Hardened TiZr Null-Matrix Alloy for Neutron Scattering under Extreme Conditions

1
Institute for Study of the Earth’s Interior, Okayama University, 827 Yamada, Misasa, Tottori 682-0193, Japan
2
Frontier Research Center for Applied Atomic Sciences, Ibaraki University, 162-1 Shirakata, Tokai, Naka, Ibaraki 319-1106, Japan
*
Author to whom correspondence should be addressed.
Academic Editor: Klaus-Dieter Liss
Received: 8 October 2015 / Revised: 2 December 2015 / Accepted: 7 December 2015 / Published: 9 December 2015
(This article belongs to the Special Issue Metals Challenged by Neutron and Synchrotron Radiation)
View Full-Text   |   Download PDF [902 KB, uploaded 9 December 2015]   |  

Abstract

For neutron scattering research that is performed under extreme conditions, such as high static pressures, high-strength metals that are transparent to the neutron beam are required. The diffraction of the neutron beam by the metal, which follows Bragg’s law, can be completely removed by alloying two metallic elements that have coherent scattering lengths with opposite signs. An alloy of Ti and Zr, which is known as a TiZr null-matrix alloy, is an ideal combination for such purposes. In this study, we increased the hardness of a TiZr null-matrix alloy via extensive mechanical deformation at high temperatures. We successfully used the resulting product in a high-pressure cell designed for high-static-pressure neutron scattering. This hardened TiZr null-matrix alloy may play a complementary role to normal TiZr alloy in future neutron scattering research under extreme conditions. View Full-Text
Keywords: neutron scattering; null-matrix alloy; high pressure; TiZr neutron scattering; null-matrix alloy; high pressure; TiZr
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Okuchi, T.; Hoshikawa, A.; Ishigaki, T. Forge-Hardened TiZr Null-Matrix Alloy for Neutron Scattering under Extreme Conditions. Metals 2015, 5, 2340-2350.

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