Status Report on SPS TiB2/TiB/Ti Functionally Graded Materials (FGMs) for Armor

Report No. ARL-SR-143
Authors: James W. McCauley; G. D?Andrea; Kyu Cho; Matthew S. Burkins; Robert J. Dowding; William A. Gooch, Jr.
Date/Pages: September 2006; 26 pages
Abstract: The pioneering research by Wilkins and colleagues in the 1960s led many investigators to conclude that ceramic armor performance could be significantly enhanced with materials macrostructurally designed to grade from a pure ceramic to a stiff, more ductile material at the back surface. Several configurations of TiB2/TiB/Ti functionally graded materials were fabricated using a spark plasma sintering process. Detailed microstructural characterization of the as-processed material is presented as well as x-ray flash radiographs of penetrating projectiles in a reverse ballistic configuration using a 1-MeV x-ray system in a 100-mm gas gun apparatus. This report is a collection of the charts used for an oral presentation at the 28th International Cocoa Beach Conference and Exposition on Advanced Ceramics and Composites.
Distribution: Approved for public release
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Last Update / Reviewed: September 1, 2006