Issues Related to the Mechanical Property Characterization of Sealants

CC White; DL Hunston

doi:10.1520/STP12572S

SYMPOSIA PAPER Published: 01 January 2004

STP12572S

Issues Related to the Mechanical Property Characterization of Sealants

Source

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

Building and Fire Research Laboratory, National Institute of Standards and Technology, Gaithersburg, MD

Hunston, DL

Building and Fire Research Laboratory, National Institute of Standards and Technology, Gaithersburg, MD

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Details

Developed by Committee: C24

Pages: 325–334

DOI: 10.1520/STP12572S

ISBN-EB: 978-0-8031-5498-8

ISBN-13: 978-0-8031-3480-5