Journal ArticleDOI
The fracture toughness of composites reinforced with weakened fibres
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TLDR
In this paper, the authors discussed the factors which determine the mean length of fiber pull-out during fracture in composites reinforced with continuous fibres having variously spaced points of weakness.Abstract:
Fibre fractures which occur near, but not at, the plane of matrix failure in a composite, lead to fibre pull-out during fracture. Energy absorbed in this process contributes directly to the work of fracture and hence to the toughness of the composite. Factors which determine the mean length of fibre pulled out during fracture are discussed for the case of composites reinforced with continuous fibres having variously spaced points of weakness. The presence of such weak points also affects the strength of the composite, but not all composites of the same strength have the same toughness. The greatest toughness for a given strength is always found in composites reinforced with discontinuous fibres.read more
Citations
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Journal ArticleDOI
Toughening Behavior in Whisker-Reinforced Ceramic Matrix Composites
TL;DR: In this article, the authors analyzed the toughening behavior of a bridging zone immediately behind the crack tip of a SiC-whisker-reinforced ceramics.
Journal ArticleDOI
High strength, high fracture toughness fibre composites with interface control—A review
Jang Kyo Kim,Yiu-Wing Mai +1 more
TL;DR: A review of fracture toughness of fiber composites can be found in this article, where various methods for improving the fracture toughness by means of interface control are discussed. But, the focus is on the failure mechanisms leading to eventual fracture.
Journal ArticleDOI
The influence of fibre length and concentration on the properties of glass fibre reinforced polypropylene: 2. Thermal properties
James Thomason,W.M. Groenewoud +1 more
TL;DR: In this article, the influence of fiber length and concentration on the properties of glass reinforced polypropylene laminates was investigated and an approach based on the in-plane compression of the matrix was proposed to give good agreement with the experimental data.
Journal ArticleDOI
Weibull statistics applied to fiber failure in ceramic composites and work of fracture
TL;DR: In this paper, the average fiber pullout lengths after complete and partial fiber failure are given for both single and multiple matrix cracking in ceramic composites by defining a pointwise failure probability in terms of the Weibull strength theory, assuming that all matrix cracks behave in a similar manner throughout the composite volume.
Journal ArticleDOI
Analysis of the effect of embedded fibre length on fibre debonding and pull-out from an elastic matrix
TL;DR: In this paper, several theories developed to explain debonding process and enable estimation of the parameters representing the debonding resistance through an analysis of pull-out test results are reviewed in this first part of a two-part paper.
References
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Journal ArticleDOI
The Work of Fracture and its Measurement in Metals, Ceramics and other Materials
H. G. Tattersall,G. Tappin +1 more
TL;DR: In this paper, a method of measuring the work of fracture is described and assessed and typical values for a number of materials are given and various mechanisms for the energy-absorption associated with fracture are considered.
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