Preprint Article Version 1 This version not peer reviewed

Effects of Potassium Titanate Whisker or Glass Fiber on Tribological and Mechanical Properties of PTFE/PEEK Blend

Version 1 : Received: 25 January 2017 / Approved: 25 January 2017 / Online: 25 January 2017 (10:03:49 CET)

How to cite: Teng, X.; Wen, L.; Lv, Y.; Tang, W.; Zhao, X.; Chen, C. Effects of Potassium Titanate Whisker or Glass Fiber on Tribological and Mechanical Properties of PTFE/PEEK Blend. Preprints 2017, 2017010112 (doi: 10.20944/preprints201701.0112.v1). Teng, X.; Wen, L.; Lv, Y.; Tang, W.; Zhao, X.; Chen, C. Effects of Potassium Titanate Whisker or Glass Fiber on Tribological and Mechanical Properties of PTFE/PEEK Blend. Preprints 2017, 2017010112 (doi: 10.20944/preprints201701.0112.v1).

Abstract

In this study, 10%PTFE/PEEK blend were modified by potassium titanate whisker (PTW) and chopped glass fiber (GF), respectively. The blends were prepared by three-screw extruder. Through the investigation of thermal stability, tribological properties, mechanical properties and rheological behavior, the effects of reinforcing agents were determined. The results illustrated that the mechanical properties of 10%PTFE/PEEK blend can be dramatically improved by adding reinforcing agent of PTW or GF, and the reinforcing effect of GF was especially obvious. As for tribological properties, 1% addition was the best proportion. The friction coefficient and wear rate of the blend with 1% PTW were 0.283 and 4.97 × 10-6 mm3/N · m, which decreased by 7.2% and 21% compared with those of the blend without reinforcing agent.

Subject Areas

PEEK; blends; thermal stability; tribological properties; mechanical properties

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