Helium as good as vacuum: The poor man's approach for accurate material damping measurements

Applied Acoustics

Volumn 60, Issue 3, 2000, Pages 385-392

  Nijman, E J M ^a   Bellussi, G N M ^a  

^a CENTRO RICERCHE FIAT   (Italy)

Author keywords

Acoustic radiation; Beams; Damping; Internal losses

Indexed keywords

EID: 9444246454     PISSN: 0003682X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0003-682X(99)00051-1     Document Type: Article

References (6)

1. Lazan BJ. Damping of materials and members in structural mechanics. Oxford: Pergamon Press, 1968.
2. Johnston RA, Barr ADS. Acoustic and internal damping in uniform beams. Journal of Mechanical Engineering Science 1969;11:117-27.
3. Junger MC, Feit D. Sound, structures and their interaction. Massachusetts Institute of Technology Press, 1972.
4. Bailey JR, Fahy FJ. Radiation and response of cylindrical beams excited by sound. Transactions of the American Society of Mechanical Engineers, Journal of Engineering for Industry 1972; 94, Series B, No. 1:139-147.
5. Yoursi SN, Fahy FJ. Sound radiation from transversely vibrating unbaffled beams. Journal of Sound and Vibration 1973;26(4):437-9.
6. Blake WK. The radiation from free-free beams in air and in water. Journal of Sound and Vibration 1974;33(4):427-50.