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Proceedings Paper

Properties of Fe-Al-Si high-damping steel
Author(s): Ilkka Aaltio; Kari Ullakko; Hannu Hanninen
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Paper Abstract

Several high-damping materials have been developed in recent years to decrease vibration and noise levels of machines and structures. The most important damping steels have been Fe- 12Cr-based alloys. These steels exhibit high damping capacity combined with rather good mechanical and corrosion properties. A new vibration damping Fe-2.5Al-0.5Si steel has been developed by NKK-Corporation in Japan, and it is produced under a trade name of NKK- SERENA. This steel is a potential multi-purpose damping steel, because it is more economical than the previous steels. Damping capacity of NKK-SERENA is very high in wide temperature and frequency ranges, and its mechanical properties are similar to those of common structural steels. In this study, mechanical, welding and corrosion properties, and the results of the microstructural characterization are presented.

Paper Details

Date Published: 1 May 1996
PDF: 10 pages
Proc. SPIE 2720, Smart Structures and Materials 1996: Passive Damping and Isolation, (1 May 1996); doi: 10.1117/12.239105
Show Author Affiliations
Ilkka Aaltio, Helsinki Univ. of Technology (Finland)
Kari Ullakko, Massachusetts Institute of Technology (United States)
Hannu Hanninen, Helsinki Univ. of Technology (Finland)

Published in SPIE Proceedings Vol. 2720:
Smart Structures and Materials 1996: Passive Damping and Isolation
Conor D. Johnson, Editor(s)

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