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. 2017 Jun 12;8:15719. doi: 10.1038/ncomms15719

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Copyright © 2017, The Author(s)

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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Room- and cryogenic-temperature engineering stress–strain curves of the H750 and H900 alloys. At cryogenic temperatures, the strengths and elongation are improved over the room-temperature values. Higher yield and tensile strengths and lower elongation are shown in the H750 alloy. (The data points shown are the mean±s.d. from 3 repeated measurements).