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| Mechano-chemical molecular chains model of fatigue damage for fibre-reinforced polymeric matrix composites |
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| 西安交通大学 |
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Cite this article:
. Mechano-chemical molecular chains model of fatigue damage for fibre-reinforced polymeric matrix composites. Chin J Mater Res, 2004, 18(1): 25-25.
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Abstract Under the cyclic loading, the important damage characteristic of fibre-reinforced polymeric matrix composites is the damage behaviour depending on both the material microstructure and the chemical effect. Focus on this characteristic, mechano-chemical molecular chains mode for studying fatigue damage was established. The fractions of broken molecular chains in matrix and on interface were introduced respectively to describe the matrix-dominated damage or interface-dominated damage mechamism. The mechano-chemical effect was included in molecular scale and the influence of microstructure on fatigue process was considered. The relations between residual strength and mechanical properties, microstructure parameters, physical chemistry parameters were analyzed as well. Load-constant fatigue tests for composite material(SMC) were carried out, and the experimental results appears good agreement with predicted values based on the proposed model.
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Received: 20 January 2003
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