Tribological properties tests and simulations of the nano-micro multilevel porous self-lubricating PEEK composites with ionic liquid lubrication

Porous self-lubricating PEEK composites (PSPC) with nano-micro multilevel pore structure (N-MPS) incorporated by ionic liquid were fabricated via molding–leaching and vacuum suction technologies. The tribological properties of PSPC with different porosities were investigated using a tribotester unde...

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Bibliographic Details
Published in:Journal of materials science 2016-04, Vol.51 (8), p.3917-3927
Main Authors: Wang, Huaiyuan, Li, Meiling, Liu, Dujuan, Zhao, Yiming, Zhu, Yanji
Format: Article
Language:English
Subjects:
Analysis
CAD
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Computer aided design
Computer simulation
computer software
Crystallography and Scattering Methods
Finite element method
heat stress
Ionic liquids
Ions
Leaching
Lubrication
Materials Science
Mechanical properties
Molding (process)
Multilevel
Nanostructure
Original Paper
Polymer matrix composites
Polymer Sciences
Porosity
Self lubrication
Solid Mechanics
Suction
temperature
Temperature distribution
Tribology
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Summary:Porous self-lubricating PEEK composites (PSPC) with nano-micro multilevel pore structure (N-MPS) incorporated by ionic liquid were fabricated via molding–leaching and vacuum suction technologies. The tribological properties of PSPC with different porosities were investigated using a tribotester under an applied load of 250 N and a sliding speed of 0.69 m s⁻¹. Moreover, a finite element (FE) model with N-MPS was firstly developed to reveal the nano-micron scale collaborative lubrication mechanism of the composites. The temperature field, von Mises stress, and displacement fields of the FE model under different porosity conditions were studied in heat-stress coupled field using ANSYS software. The accuracy of the simulation results was verified by comparing them with corresponding experimental results with the error values
ISSN:0022-2461
1573-4803
DOI:10.1007/s10853-015-9711-8