Discontinuous-Fibre Reinforced Composites: Fundamentals of by Kheng Lim Goh

By Kheng Lim Goh

This ebook presents an easy and unified method of the mechanics of discontinuous-fibre bolstered composites, and introduces readers as regularly as attainable to the foremost suggestions concerning the mechanics of elastic pressure move, intermediate modes of tension move, plastic rigidity move, fibre pull-out, fibre fragmentation and matrix rupture. those strategies are as a consequence utilized to revolutionary phases of the loading method, via to the composite fractures.

The publication bargains a invaluable advisor for complicated undergraduate and graduate scholars attending lecture classes on fibre composites. it's also meant for starting researchers who desire to improve deeper insights into how discontinuous fibre presents reinforcement to composites, and for engineers, rather those that desire to follow the strategies provided right here to layout and enhance discontinuous-fibre strengthened composites.

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Additional info for Discontinuous-Fibre Reinforced Composites: Fundamentals of Stress Transfer and Fracture Mechanics

Example text

Thus, the fibres in part a are shown for one-half the length circular discs [61]. For further discussion of the effects of fibre shape on the stress uptake in a fibre, see Chaps. 3 and 5; for a discussion of the effects of fibre shape on the fracture of the DFRC, see Chap. 6. In general, the mechanical properties of DFRCs are less attractive than CFRCs, particularly from the perspective of designing the material for strength, stiffness and toughness [36]. From a commercial perspective, DFRCs are cheaper to make as compared to CFRCs [36].

Hierarchical mechanics of connective tissues: integrating insights from nano to macroscopic studies. J Biomed Nanotechnol. 2014;1(10):2464–507. 54. Goh KL, Aspden RM, Mathias KJ, Hukins DWL. Effect of fibre shape on the stresses within fibres in fibre-reinforced composite materials. Proc R Soc Lond A. 1999;455:3351–61. 55. Goh KL, Aspden RM, Mathias KJ, Hukins DWL. Finite-element analysis of the effect of material properties and fibre shape on stresses in an elastic fibre embedded in an elastic matrix in a fibre-composite material.

At the atomic level, the restraining force per unit area between two adjacent atomic planes (perpendicular to the fibre axis) within the fibre must vary with the interatomic plane separation distance. 5 shows a sketch of the stress generated in the fibre versus the displacement of two adjacent atomic planes. At equilibrium, the interatomic plane separation distance is denoted by b0; the net force is zero (and so is the corresponding stress). Of note, b0 has been identified with the length of a simple cubic closed-pack unit cell (Sect.

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