npj Microgravity Review Article: Microgravity metal processing: from undercooled liquids to bulk metallic glasses

This article by Douglas C Hofmann and Scott N Roberts (California Institute of Technology, Pasadena, CA, USA) was published online by npj Microgravity on May 27, 2015.
Published in Physics
npj Microgravity Review Article: Microgravity metal processing: from undercooled liquids to bulk metallic glasses
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Abstract

Bulk metallic glasses (BMGs) are a novel class of metal alloys that are poised for widespread commercialization. Over 30 years of NASA and ESA (as well as other space agency) funding for both ground-based and microgravity experiments has resulted in fundamental science data that have enabled commercial production. This review focuses on the history of microgravity BMG research, which includes experiments on the space shuttle, the ISS, ground-based experiments, commercial fabrication and currently funded efforts.

Image: SEM micrographs of cracks propagating through a Zr-Ti-Nb-based BMG matrix composite showing extensive damage accumulation

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