Abstract
The mechanical properties of FRP are mainly dominated by the fiber-reinforcement and therefore practically influenced by the strength degradation of the glass fiber. In this paper, the strength degradation of embedded E-glass fiber in the single fiber composite (SFC) has been investigated under constant strain in water environment to represent the SCC of GFRP. The strength degradation of the embedded glass fiber was ascertained by fragmentation test after the constant strain test. It was clarified that the fiber strength degradation was to accelerate dramatically at elevated water temperature. Additionally, the degradation of the glass fiber strength has been quantified on the basis of microscopic SCC of the initial defects on the fiber surface using the sub-critical crack growth model. The proposed model showed good agreement with the fiber strength distribution from various experimental results.
| Original language | English |
|---|---|
| Title of host publication | Advanced Composites for Efficiency and Environment - The US-Japan Conference on Composite Materials 2008, US-Japan 2008 |
| Publication status | Published - 2008 |
| Event | US-Japan Conference on Composite Materials 2008, US-Japan 2008 - Tokyo Duration: 2008 Jun 6 → 2008 Jun 7 |
Other
| Other | US-Japan Conference on Composite Materials 2008, US-Japan 2008 |
|---|---|
| City | Tokyo |
| Period | 08/6/6 → 08/6/7 |
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Keywords
- Fiber strength
- GFRP
- SCC
- Water environment
ASJC Scopus subject areas
- Ceramics and Composites
Cite this
Prediction of strength degradation of glass fiber under water environment using sub-critical crack growth model. / Kotani, Masahiro; Kawada, Hiroyuki.
Advanced Composites for Efficiency and Environment - The US-Japan Conference on Composite Materials 2008, US-Japan 2008. 2008.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
}
TY - GEN
T1 - Prediction of strength degradation of glass fiber under water environment using sub-critical crack growth model
AU - Kotani, Masahiro
AU - Kawada, Hiroyuki
PY - 2008
Y1 - 2008
N2 - The mechanical properties of FRP are mainly dominated by the fiber-reinforcement and therefore practically influenced by the strength degradation of the glass fiber. In this paper, the strength degradation of embedded E-glass fiber in the single fiber composite (SFC) has been investigated under constant strain in water environment to represent the SCC of GFRP. The strength degradation of the embedded glass fiber was ascertained by fragmentation test after the constant strain test. It was clarified that the fiber strength degradation was to accelerate dramatically at elevated water temperature. Additionally, the degradation of the glass fiber strength has been quantified on the basis of microscopic SCC of the initial defects on the fiber surface using the sub-critical crack growth model. The proposed model showed good agreement with the fiber strength distribution from various experimental results.
AB - The mechanical properties of FRP are mainly dominated by the fiber-reinforcement and therefore practically influenced by the strength degradation of the glass fiber. In this paper, the strength degradation of embedded E-glass fiber in the single fiber composite (SFC) has been investigated under constant strain in water environment to represent the SCC of GFRP. The strength degradation of the embedded glass fiber was ascertained by fragmentation test after the constant strain test. It was clarified that the fiber strength degradation was to accelerate dramatically at elevated water temperature. Additionally, the degradation of the glass fiber strength has been quantified on the basis of microscopic SCC of the initial defects on the fiber surface using the sub-critical crack growth model. The proposed model showed good agreement with the fiber strength distribution from various experimental results.
KW - Fiber strength
KW - GFRP
KW - SCC
KW - Water environment
UR - http://www.scopus.com/inward/record.url?scp=84876764069&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84876764069&partnerID=8YFLogxK
M3 - Conference contribution
BT - Advanced Composites for Efficiency and Environment - The US-Japan Conference on Composite Materials 2008, US-Japan 2008
ER -