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Proceedings Paper

ZERODUR glass ceramics: design of structures with high mechanical stresses
Author(s): Kurt Nattermann; Peter Hartmann; Guenther Kling; Peter Gath; Stefano Lucarelli; Boris Messerschmidt
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Paper Abstract

Designing highly mechanically loaded structures made of the zero expansion glass ceramic material ZERODUR® means to analyze the stress for the whole loaded surface, considering changes of the stress state occurring over the total lifetime. Strength data are obtained from specimens with small size and relatively short loading duration, making them not directly applicable to the much larger areas that occur in practical cases. This publication gives guidelines for calculating a fracture probability for mirrors and structures on the basis of existing strength data.

Paper Details

Date Published: 23 July 2008
PDF: 11 pages
Proc. SPIE 7018, Advanced Optical and Mechanical Technologies in Telescopes and Instrumentation, 70180Q (23 July 2008); doi: 10.1117/12.788870
Show Author Affiliations
Kurt Nattermann, SCHOTT AG (Germany)
Peter Hartmann, SCHOTT AG (Germany)
Guenther Kling, EADS Astrium Satellites (Germany)
Peter Gath, EADS Astrium Satellites (Germany)
Stefano Lucarelli, EADS Astrium Satellites (Germany)
Boris Messerschmidt, EADS Astrium Satellites (Germany)

Published in SPIE Proceedings Vol. 7018:
Advanced Optical and Mechanical Technologies in Telescopes and Instrumentation
Eli Atad-Ettedgui; Dietrich Lemke, Editor(s)

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