Erosive wear properties of unidirectional carbon fiber reinforced PEEK composites

The erosive wear properties of unidirectional carbon fiber (CF) reinforced polyetheretherketone (PEEK) composites were studied. A semi-ductile erosive wear manner was found regardless of the CF orientation. Wear mechanism analysis revealed that both cutting and deformation mechanisms existed in the...

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Bibliographic Details
Published in:Tribology international 2012-11, Vol.55, p.135-140
Main Authors: Pei, Xianqiang, Friedrich, Klaus
Format: Article
Language:English
Subjects:
Applied sciences
CF/PEEK composite
Cross-sectional analysis
Cutting
Cutting wear
Deformation
Erosion mechanisms
Erosive wear
Exact sciences and technology
Fracture mechanics (crack, fatigue, damage...)
Friction, wear, lubrication
Fundamental areas of phenomenology (including applications)
Impingement
Machine components
Mechanical engineering. Machine design
Orientation
Physics
Polyetheretherketones
Solid mechanics
Structural and continuum mechanics
Surface temperature
Wear
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Summary:The erosive wear properties of unidirectional carbon fiber (CF) reinforced polyetheretherketone (PEEK) composites were studied. A semi-ductile erosive wear manner was found regardless of the CF orientation. Wear mechanism analysis revealed that both cutting and deformation mechanisms existed in the erosion of the composites, although different damaging forms were involved depending on the impingement angles and CF orientation. To give further support on the erosion mechanisms, a special procedure was designed to observe the cross-sectional surface of the eroded composites, and the surface temperature variation was registered. It increased with increasing impingement angle, indicating higher energy dissipation by deformation, which is consistent with the revealed shift of the main erosive wear mechanism from cutting to deformation and “wholesale” fiber fracture. ► A special procedure is designed to observe the cross-sectional surface of the eroded composites. ► Both cutting and deformation mechanisms existed in the erosion of CF/PEEK composites.► Different damaging forms were involved depending on the impingement angles and the CF orientation. ► Increased eroded surface temperature was registered with increasing impingement angle.
ISSN:0301-679X
1879-2464
DOI:10.1016/j.triboint.2012.05.020