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Acoustic impedance matching with porous aluminium

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4 Author(s)
Dawson, A. ; Sch. of Chem. & Phys. Sci., Victoria Univ. of Wellington, Wellington, New Zealand ; Gouws, G. ; Harris, P. ; Young, R.

Highly regular microstructured porous aluminium samples show excellent properties for use in transducers. Three dimensional modeling reveals by varying sample porosity from 0 to 75 %, acoustic impedance in the range 3-15 MRayl can be realized, which can be used to improve impedance matching between the transducer and sample material.

Published in:

Sensors, 2009 IEEE

Date of Conference:

25-28 Oct. 2009

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