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Proceedings Paper

Granular-filled composite struts for increased damping in hexapod applications
Author(s): Kari M. Cowden; David Bishop; David E. Walrath; John E. McInroy
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Paper Abstract

A hexapod strut at the University of Wyoming currently exhibits high resonant modes at 3 kHz and above. To reduce these resonant peaks, the current aluminum rod of one of the struts was redesigned. A graphite/epoxy granularly filled composite tube was designed and incorporated into the strut. Reduction in the resonant peaks of up to 32 dB’s was achieved. Six of the above mentioned composite tubes were fabricated and incorporated into the hexapod. Testing showed considerable improvement in overall damping for the hexapod.

Paper Details

Date Published: 31 July 2003
PDF: 9 pages
Proc. SPIE 5052, Smart Structures and Materials 2003: Damping and Isolation, (31 July 2003); doi: 10.1117/12.484753
Show Author Affiliations
Kari M. Cowden, Univ. of Wyoming (United States)
David Bishop, Univ. of Wyoming (United States)
David E. Walrath, Univ. of Wyoming (United States)
John E. McInroy, Univ. of Wyoming (United States)

Published in SPIE Proceedings Vol. 5052:
Smart Structures and Materials 2003: Damping and Isolation
Gregory S. Agnes; Kon-Well Wang, Editor(s)

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