By processing samples of silicon nitride under high pressure and heat, researchers at the Deutsches Elektronen-Synchrotron have converted an originally opaque hexagonal crystal structure into optically transparent cubic silicon nitride.
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By further understanding the dependence between densification and grain growth, a University of California Davis team of researchers has devised a new process to fabricate fully dense ceramic parts with virtually no grain growth.
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Dilatometry moves beyond thermal expansion, X-rays reveal secrets, and other materials stories that may be of interest for June 23, 2015.
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U.S. Naval Research Lab scientists have perfected a sintering technique that can not only produce harder spinel, but also larger pieces and those with challenging shapes—all thanks to a deconstruction of the science behind the process.
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Research from the University of Illinois at Chicago shows that magnesium ions—with two positive charges—can replace single-charge lithium ions in future batteries.
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The US Naval Research Laboratory has developed a superior see-through ceramic nanocrystalline spinel, both highly transparent and strong, with ambitions to improve armor windows for military vehicles.
Read MoreFiber-Reinforced Alumina-Based Composites Using Nonwoven Cellulose FabricsFibrous alumina has been fabricated using vacuum infiltration of aqueous alumina slurry into two-dimensional nonwoven cellulose fabric.M. Awaad, S.M. Naga, T. Khalifa, P. Greil,…
Read More“Extrudability of Cement-Based Materials”A penetration resistance test was used to assess the extrudability of cementitious materials.Y. Chen, L. J. Struble and G. H. Paulino “Zirconia-Magnesium Aluminate Spinel Composite”Improved ZrO2-MgAl2O4 composite…
Read MorePretty tough stuff! This clear armor is made by South Carolina-based ArmorLine Corp, which describes this as a spinel transparent ceramic. The ArmorLine rep in the video says the plates…
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