Material inspection and flaw detection by vibro-acoustography

Citation
M. Fatemi et Jf. Greenleaf, Material inspection and flaw detection by vibro-acoustography, PROG NAT SC, 11, 2001, pp. S137-S139
Citations number
3
Categorie Soggetti
Multidisciplinary
Journal title
PROGRESS IN NATURAL SCIENCE
ISSN journal
10020071 → ACNP
Volume
11
Year of publication
2001
Supplement
S
Pages
S137 - S139
Database
ISI
SICI code
1002-0071(200105)11:<S137:MIAFDB>2.0.ZU;2-S
Abstract
High-resolution imaging systems for part inspection are of great demand in many industries. In some applications the part to be tested does not lend i tself to conventional imaging methods such as radiography or ultrasound tec hniques. Here we present a novel imaging method that displays the dynamic p roperties of the object. This method is based on conversion of ultrasound e nergy to low frequency elastic waves in the object. Such waves carry import ant information about the object structure and integrity. This method can b e used to produce "see-through" images of different materials such as compo sites and metals.