Accession Number : AD0696629
Title : LOCATING LUMBER DEFECTS BY ULTRASONICS.
Descriptive Note : Forest Service research paper,
Corporate Author : FOREST PRODUCTS LAB MADISON WIS
Personal Author(s) : McDonald,Kent A. ; Cox,Roger G. ; Bulgrin,Erwin H.
Report Date : OCT 1969
Pagination or Media Count : 14
Abstract : An ultrasonic scanning technique showed promise in locating lumber defects so they can be recorded precisely, as a step toward automated processing of lumber. As applied, the technique worked especially well with knots and steep grain. (Author)
Descriptors : (*WOOD, *NONDESTRUCTIVE TESTING), DEFECTS(MATERIALS), ULTRASONIC PROPERTIES, DEGRADATION, PROCESSING, EFFICIENCY, AUTOMATION, TRANSDUCERS, COMPUTER PROGRAMMING, CONTROL, STANDARDS, ULTRASONIC RADIATION, DETECTORS, ATTENUATION
Subject Categories : Wood, Paper and Related Forestry Products
Test Facilities, Equipment and Methods
Distribution Statement : APPROVED FOR PUBLIC RELEASE