STP691

    Precision of Rate-Process Method for Predicting Durability of Adhesive Bonds

    Published: Jan 1980


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    Abstract

    The influence of such experimental variables as time, temperature, adhesive type, specimen heterogeneity, and moisture conditions on life-expectancy forecasts was explored under two environmental moisture extremes—dry and water-soaked. The data indicated that there could be a rather broad error band associated with these projections. Use of the lower 95 percent confidence limits, however, provides a positive means for estimating minimum bondline durabilities. With proper attention to experiment design, the rate-process method can provide durability forecasts well within the needs of most applications. Maximum sensitivity is attained under wet aging conditions.

    Keywords:

    wood-adhesive systems, laminated wood, adhesive bonds, durability, life-expectancy, rate-process, thermal deterioration, kinetics of deterioration, shear strength, precision, building materials, durability


    Author Information:

    Millett, MA
    Formerly chemist, project leader, and chemical engineer, Forest Products LaboratoryUniversity of Wisconsin, Madison, Wis.

    Gillespie, RH
    Formerly chemist, project leader, and chemical engineer, Forest Products LaboratoryUniversity of Wisconsin, Madison, Wis.

    Baker, AJ
    Formerly chemist, project leader, and chemical engineer, Forest Products LaboratoryUniversity of Wisconsin, Madison, Wis.


    Paper ID: STP36119S

    Committee/Subcommittee: G03.08

    DOI: 10.1520/STP36119S


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