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Testing particle boards

WKI-Mitteilung 557/1992.
 
: Greubel, D.

Woodworking review (1991), Nr.4, S.14-18
ISSN: 0178-5044
Englisch
Zeitschriftenaufsatz
Fraunhofer WKI ()
nondestructive testing; particle board; ultrasound

Abstract
As part of its wood research activities, the Wilhelm-Klauditz-Institut (WKI) in Braunschweig, Germany, has investigated and developed a variety of approaches - radiation, vibration and ultrasound - for the nondestructive testing of particle board. Methods of radiometric density measurement will be familiar to many readers already. Interesting options exist, however, in the form of vibration-based processes for determining the modulus of elasticity, and the use of ultrasound to obtain more and better information online about middle layer properties, e.g. internal bond.

: http://publica.fraunhofer.de/dokumente/PX-36238.html