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Filtering by: Subject Optical scanners Committee Member Rochefort, Willie Non-Academic Affiliation Oregon State University. Graduate School

Non-destructive evaluation of veneer using optical scanning and ultrasonic stress wave analysis systems

Creator:

DeVallance, David B.

Abstract:

Non-destructive commercial ultrasonic grading provides laminated veneer lumber (LVL) manufacturers a means for sorting veneer based on average ultrasonic propagation time (UPT) and/or average dynamic modulus of elasticity (MOEd). While this may provide reliable estimations of modulus of elasticity (MOE), little is known about the influence of veneer defects on...

Resource Type:

Dissertation

Full Text:

Using Optical Scanning and Ultrasonic Stress Wave Analysis Systems Abstract approved