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Filtering by: Subject Veneers and veneering -- Fracture Remove constraint Subject: Veneers and veneering -- Fracture Degree Name Doctor of Philosophy (Ph.D.) Remove constraint Degree Name: Doctor of Philosophy (Ph.D.)

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  • Durability Assessment of Wood Composites Using Fracture Mechanics

    Creator:
    Mirzaei, Babak
    Abstract:
    The advent of synthetic adhesives has transformed the structural applications of wood. However, a persistent issue in adhesively-bonded wood products has been moisture durability. When designing wood based composites, moisture durability will depend on both the wood phase and the adhesive phase. A key question, therefore, is how does one...
    Resource Type:
    Dissertation
    Full Text:
    methodologies for durability assessment of wood composites and adhesives. Fracture resistance curves (R

  • Image segmentation for defect detection on veneer surfaces

    Creator:
    Zhong, Yuan, 1956-
    Abstract:
    Machine vision is widely used in scientific areas and non-wood using industries, but the extreme variability of wood has limited its adoption by forest products industries. However, it is now becoming a key factor in further automation of the forest products industry. As a very important part of machine vision,...
    Resource Type:
    Dissertation
    Full Text:
    Segmentation for Defect Detection on Veneer Surfaces. Machine vision is widely used in scientific areas and

  • 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:
    properties of veneer and LVL. It was hypothesized that inclusion of veneer defect and growth ring pattern