A lightweight shape-memory magnesium alloy

descriptionPublicationkeyboard_double_arrow_right Article 22 Jul 2016 English Publisher:American Association for the Advancement of Science (AAAS)Journal:Science, volume 353, pages 368-370 (issn: 0036-8075, eissn: 1095-9203,

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Authors: Yukiko, Ogawa; Daisuke, Ando; Yuji, Sutou; Junichi, Koike;

doi: 10.1126/science.aaf6524

pmid: 27463668

A lightweight shape-memory magnesium alloy

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Abstract

Lightweight shapeshifting alloys Shape memory alloys (SMAs) spring back into shape after they are deformed, a useful property for a variety of applications. Transition metal alloys, which are robust but dense, dominate the SMA landscape. Ogawa et al. report a new type of lightweight SMA made from magnesium and scandium, which has comparable properties to known SMAs but at significantly lower density. Although this magnesium-scandium alloy is limited to low-temperature applications, development of a new lightweight class of SMAs could be on the horizon. Science , this issue p. 368

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