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Effects of macroscopic bulk defects on the damping behaviors of materials

โœ Scribed by Zhonghua Ma; Fusheng Han; Jianning Wei; Junchang Gao

Publisher
SP Science China Press
Year
2001
Tongue
English
Weight
484 KB
Volume
44
Category
Article
ISSN
1674-7283

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๐Ÿ“œ SIMILAR VOLUMES

Effect of structural defects on the stre
Effect of structural defects on the strength and damping properties of a solid material
โœ D. Ouis ๐Ÿ“‚ Article ๐Ÿ“… 2003 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 165 KB

In material sciences solid materials are known to be more or less dispersive, i.e., the Modulus of Elasticity, MOE, and the loss factor ฮท are frequency dependent. Furthermore, these two parameters are not totally independent of each other as their frequency variations exhibit some interrelationship.

ON THE BEHAVIOR OF MATERIAL DAMPING DUE
ON THE BEHAVIOR OF MATERIAL DAMPING DUE TO MULTI-FREQUENCY EXCITATION
โœ H.L. Wettergren ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 190 KB

The paper is concerned with the dissipative behavior due to multi-frequency excitation. It is shown both theoretically and experimentally that it is possible to treat the frequencies separately. Practically, this leads for instance to the conclusion that the material damping in a rotor with anisotro