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Durch Druckspannungen hervorgerufene makro- und mikro-mechanische Phänomene in planar beaufschlagtem TiB2

Pressure induced macro- and micromechanical phenomena in planar impacted TiB2
: Stilp, A.J.; Winkler, W.-D.
: Fraunhofer-Institut für Kurzzeitdynamik, Ernst-Mach-Institut -EMI-, Freiburg/Brsg.

Freiburg/Brsg., 1991, 6 pp. : Abb.,Tab.,Lit.
EMI-Berichte, 5/91
Topical Conference on Shock Compression of Condensed Matter <7, 1991, Williamsburg/Va.>
Conference Proceedings
Fraunhofer EMI ()
Auffangexperiment; Aufschlag; ceramic; Dehnrate; dislocation; Druck; dynamische Fließgrenze; flyer plate experiment; Geschwindigkeits-Interferometer; impact planar impact; Keramik; microcrack; Mikroriß; Planaraufschlag; recovery experiment; Spannung; stress; TEM-investigation; TEM-Untersuchung; Versetzung; VISAR

The dynamic behavior of TiBsub2 was investigated as a function of loading stress up to 14 GPa. Respective experiments have been performed at a planar impact facility equipped with a VISAR velocity interferometer. Softly recovered sample fragments were examined by means of electron microscopy. Thereby, it was possible to find out the microscopic causes for the formation of two Hugoniot elastic limits HEL1 and HEL2 for TiBsub2.