Hot-Pressed versus Sintered LiTi2(PO4)3

Report No. ARL-TR-4716
Authors: Jeff Wolfenstine, Jan L. Allen, and James Sumner
Date/Pages: February 2009; 28 pages
Abstract: The electrical and mechanical properties of hot-pressed versus sintered LiTi2(PO4)3 were investigated. The hot-pressed LiTi2(PO4)3 had a higher density and larger average grain size than the sintered material. As a result of these microstructural differences, the hot-pressed material exhibited a higher total ionic conductivity and lower hardness. The electronic conductivity of both materials was the same, and increased by a factor of about 107 when the hot-pressed and sintered materials were heated under a reducing atmosphere.
Distribution: Approved for public release
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Last Update / Reviewed: February 1, 2009