Research on Friction and Wear Characteristics of FDM 3D Printed Polyetheretherketone Parts
In order to study the effect of 3D printing anisotropy on frictional properties,polyether ether ketone(PEEK)specimens with three printing angles of 0°,45°,and 90° were prepared by fused deposition molding(FDM),and the effects of three different printing angles and load variations on the tribological properties and wear mechanisms of PEEK specimens were investigated.The MFT-5000 friction and wear tester was used to perform a reciprocal sliding friction test on PEEK material with water lubrication at room temperature,and the surface morphology after wear was observed with an ultra-deep field microscope.The results show that the friction coefficients of the three printing angle specimens under dif-ferent loads are in descending order:0°specimen,90°specimen,and 45° specimen,and the wear rate is in descending or-der:90°specimen,45°specimen,and 0°specimen.As the load increases,the friction coefficients of the specimen with three different printing angles show a decreasing trend,and the wear rate shows an increasing trend.The wear mechanism of PEEK is surface layer peeling caused by adhesive wear and fatigue wear.
3D printingprinting anglePEEKfriction wearcomposite
NETL
NSTL
万方数据
维普
