<abstract xmlns="http://www.w3.org/1999/xhtml"><p>In the building industry, polymeric matrix composites filled with glass, carbon, graphite, polypropylene, or Kevlar filaments are commonly used. However, it is notable that the wider use of composites is limited by a lack of sound knowledge regarding their properties their responses to exposure to various environments. In this respect, the alkaline and acid environments may have a significant influence on the response of epoxy-glass composites which are most commonly in use. They may undergo stress corrosion and the resulting cracks reduce the strength of the composite. Within this work, a method based on acoustic emission measurement is devised which allows the determination of the beginning of cracking and of the intensity of the corrosive cracking of filaments in a loaded composite. This is substantial in terms of the diagnosing of the functioning structures.</p></abstract>

In the building industry, polymeric matrix composites filled with glass, carbon, graphite, polypropylene, or Kevlar filaments are commonly used. However, it is notable that the wider use of composites is limited by a lack of sound knowledge regarding their properties their responses to exposure to various environments. In this respect, the alkaline and acid environments may have a significant influence on the response of epoxy-glass composites which are most commonly in use. They may undergo stress corrosion and the resulting cracks reduce the strength of the composite. Within this work, a method based on acoustic emission measurement is devised which allows the determination of the beginning of cracking and of the intensity of the corrosive cracking of filaments in a loaded composite. This is substantial in terms of the diagnosing of the functioning structures.

Stress corrosion of epoxy-glass composites monitored using acoustic emission

Department of Strenght of Materials and Concrete and Bridge Structures, Faculty of Civil Engineering and Architecture

Technical Transactions

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 Public License.

{"article-title":"Stress corrosion of epoxy-glass composites monitored using acoustic emission"}

In the building industry, polymeric matrix composites filled with glass, carbon, graphite, polypropylene, or Kevlar filaments are commonly used. However, it is...

Stress corrosion of epoxy-glass composites monitored using acoustic emission

Publié en ligne: 23 mai 2020

Pages: 101 - 114

DOI: https://doi.org/10.4467/2353737XCT.17.035.6346

Mots clés
monitoring, acoustic emission, stress corrosion, epoxy-glass composites, destructive processes

© 2017 Grzegorz Świt et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 Public License.

Stress corrosion of epoxy-glass composites monitored using acoustic emission

Publié en ligne: 23 mai 2020

Pages: 101 - 114

DOI: https://doi.org/10.4467/2353737XCT.17.035.6346

Mots clésmonitoring, acoustic emission, stress corrosion, epoxy-glass composites, destructive processes

© 2017 Grzegorz Świt et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 Public License.

Mots clés
monitoring, acoustic emission, stress corrosion, epoxy-glass composites, destructive processes