Journal
SCRIPTA MATERIALIA
Volume 50, Issue 5, Pages 593-596Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2003.11.031
Keywords
compression test; nanoindentation; microballons; toughness; non-metallic glasses (silicates)
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Glass microballoons (GMBs), which are hollow microspheres, were tested to obtain uniaxial compressive properties. Individual GMBs with diameters between approximately 5 and 90 mum were tested in compression using a nanoindentation instrument equipped with a flat ended sapphire tip. GMBs failed at loads ranging from 2.4 to 49.7 mN, and showed a direct relation between diameter and load to failure and between diameter and fracture energy. (C) 2003 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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