Solid particle erosion of unidirectional carbon fibre reinforced polyetheretherketone composites

The solid particle erosion behaviour of unidirectional carbon fibre (CF) reinforced polyetheretherketone (PEEK) composites has been characterised. The erosion rates of these composites have been evaluated at different impingement angles (15–90°) and at three different fibre orientations (0, 45, and...

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Bibliographic Details
Published in:Wear 2002, Vol.252 (11), p.992-1000
Main Authors: Tewari, U.S, Harsha, A.P, Häger, A.M, Friedrich, K
Format: Article
Language:English
Subjects:
Applied sciences
Carbon fibres
Composites
Exact sciences and technology
Fibre orientations
Forms of application and semi-finished materials
Friction, wear, lubrication
Machine components
Mechanical engineering. Machine design
Polyetheretherketone (PEEK)
Polymer industry, paints, wood
Solid particle erosion
Technology of polymers
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Summary:The solid particle erosion behaviour of unidirectional carbon fibre (CF) reinforced polyetheretherketone (PEEK) composites has been characterised. The erosion rates of these composites have been evaluated at different impingement angles (15–90°) and at three different fibre orientations (0, 45, and 90°). The particles used for the erosion measurements were steel balls with diameter of 300–500 μm and impact velocities of 45 and 85 m/s. The unidirectional CF reinforced PEEK composites showed semi-ductile erosion behaviour, with maximum erosion rate at 60° impingement angle. The fibre orientations had a significant influence on erosion rate. The morphology of eroded surfaces was examined by using scanning electron microscopy (SEM). Possible erosion mechanisms are discussed.
ISSN:0043-1648
1873-2577
DOI:10.1016/S0043-1648(02)00063-7