Durability of glass polymer composites subject to stress corrosion

Article


Khennane, Amar and Melchers, Robert E.. 2003. "Durability of glass polymer composites subject to stress corrosion." Journal of Composites for Construction. 7 (2), pp. 109-117. https://doi.org/10.1061/(ASCE)1090-0268(2003)7:2(109)
Article Title

Durability of glass polymer composites subject to stress corrosion

ERA Journal ID4221
Article CategoryArticle
AuthorsKhennane, Amar (Author) and Melchers, Robert E. (Author)
Journal TitleJournal of Composites for Construction
Journal Citation7 (2), pp. 109-117
Number of Pages9
Year2003
PublisherAmerican Society of Civil Engineers
Place of PublicationReston, VA, United States
ISSN1090-0268
1943-5614
Digital Object Identifier (DOI)https://doi.org/10.1061/(ASCE)1090-0268(2003)7:2(109)
Web Address (URL)http://ascelibrary.org/doi/pdf/10.1061/%28ASCE%291090-0268%282003%297%3A2%28109%29
Abstract

Although it is well known that moisture ingress in glass fiber reinforced polymers (GFRP) enhances the phenomenon of stress corrosion cracking in the fibers, and that this reaction is likely to proceed more rapidly at the weakest sites in the glass fiber surface, a fundamental law that would permit the valid extrapolation of stress rupture curves to long service lives is yet to be developed. As a result, design guidelines for glass fiber reinforced polymers components have been developed mainly on a prescriptive rather than of a performance basis. Based on the well established knowledge on the chemical behavior of glass and, in particular, that of glass flaws, a model that combines fracture mechanics, shear lag theory, and a probability model for flaw size is developed to describe the behavior of GFRP composites. The predicted results, although limited to rather idealized situations, are very encouraging. They suggest that, with only modest assumptions about material properties, it is possible to obtain mechanisms of GFRP breakdown, which correspond with observed experimental behavior.

Keywordscorrosion; cracking; durability; fiber reinforced polymers; fiberglass
ANZSRC Field of Research 2020401001. Engineering design
400505. Construction materials
401609. Polymers and plastics
Byline AffiliationsDepartment of Agricultural, Civil and Environmental Engineering
University of Newcastle
Institution of OriginUniversity of Southern Queensland
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