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Mechanical property and machinability study on polyetheretherketone

SHIJUN JI1, HUIJUAN YU1, JI ZHAO1,* , FUSHENG LIANG1

Affiliation

  1. School of Mechanical Science and Engineering, Jilin University, Changchun 130025, China

Abstract

Polyetheretherketone (PEEK) is a high performan ce composite with distinctive properties and characteristics. It has greater strength and rigidity than many other traditional engineering composites. The PEEK has been integrated into the special applications in various fields of structural components, so it is necessary to study the mechanical property and machinability to further enhance the application range, especially in ultra precision manufacturing. This paper aims to investigate the mechanical property and machinability of the unfilled PEEK. The na no indentation experiment is adopted to study the microscope mechanical property and the nano indentation hardness and elastic modulus of PEEK are analyzed. The single point diamond turning (SPDT) is used to machine the PEEK. Form accuracy and surface rou ghness of the machined surface reach submicron degree in PV and nanometer order in Ra respectively. The results show that the PEEK has good mechanical property and machinability..

Keywords

Polyether etherketone (PEEK), Mechanical property, Nano indentation, Machinability, Single point diamond turning (SPDT).

Citation

SHIJUN JI, HUIJUAN YU, JI ZHAO, FUSHENG LIANG, Mechanical property and machinability study on polyetheretherketone, Optoelectronics and Advanced Materials - Rapid Communications, 9, 1-2, January-February 2015, pp.152-157 (2015).

Submitted at: Dec. 18, 2014

Accepted at: Jan. 21, 2015