Volume 1, Issue 7 (July 2004)

    Issues Related to the Mechanical Property Characterization of Sealants

    (Received 10 December 2002; accepted 27 September 2003)

    Published Online: 2004

    CODEN: JAIOAD

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    Abstract

    Quantification of the mechanical properties of cured sealant is complicated by the presence of the Mullins effect. This paper examines the Mullins effect using five different sealants encompassing the range of properties and formulations found in commercial sealants. Three main observations include: the Mullins effect was observed in all sealant formulations studied, the Mullins effect was observed in both tension and compression strains, and there was a recovery of the Mullins effect after sufficient periods of time between repeated loading cycles. Simple rules were formulated to describe the Mullins effect. Moreover, the tests show that understanding the Mullins effect is crucial in characterizing the mechanical properties of a sealant.


    Author Information:

    White, CC
    Research Scientist and Guest Scientist, Building and Fire Research Laboratory, National Institute of Standards and Technology, Gaithersburg, MD

    Hunston, DL
    Research Scientist and Guest Scientist, Building and Fire Research Laboratory, National Institute of Standards and Technology, Gaithersburg, MD


    Stock #: JAI11607

    ISSN: 1546-962X

    DOI: 10.1520/JAI11607

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    Author
    Title Issues Related to the Mechanical Property Characterization of Sealants
    Symposium Durability of Building and Construction Sealants and Adhesives, 2003-01-30
    Committee C24