Fracture behaviour of hybrid glass matrix composites: thermal ageing effects

The thermal aging of a glass matrix composite reinforced by short carbon fibres as well as by ZrO 2 particles (hybrid composite) was investigated at temperatures in the range 500–700 °C for exposure durations of 24 h in air. The mechanical properties of as-received and aged samples were evaluated at...

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Bibliographic Details
Published in:Composites. Part A, Applied science and manufacturing Applied science and manufacturing, 2003-01, Vol.34 (12), p.1177-1185
Main Authors: Dlouhy, I., Chlup, Z., Boccaccini, D.N., Atiq, S., Boccaccini, A.R.
Format: Article
Language:English
Subjects:
A. Ceramic-matrix composites (CMCs)
A. Discontinuous reinforcement
Applied sciences
B. Environmental degradation
B. Fracture toughness
Building materials. Ceramics. Glasses
Chemical industry and chemicals
Exact sciences and technology
Glasses
Structure, analysis, properties
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Summary:The thermal aging of a glass matrix composite reinforced by short carbon fibres as well as by ZrO 2 particles (hybrid composite) was investigated at temperatures in the range 500–700 °C for exposure durations of 24 h in air. The mechanical properties of as-received and aged samples were evaluated at room temperature by using the three-point flexure chevron notch technique. The fracture toughness values of as-received specimens were in the range 2.6–6.4 MPa m 1/2. Fracture toughness was affected by the thermal aging conditions. For thermal aging at temperatures
ISSN:1359-835X
1878-5840
DOI:10.1016/j.compositesa.2003.08.004