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Properties of POB reinforced PTFE-based friction material for ultrasonic motors

  • Qingjun Ding , Yudan Zhang , Gai Zhao EMAIL logo und Feng Wang
Veröffentlicht/Copyright: 9. Dezember 2016
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Journal of Polymer Engineering
Aus der Zeitschrift Journal of Polymer Engineering Band 37 Heft 7

Abstract

Polytetrafluoroethylene (PTFE) and its composite coating with various poly-p-oxybenzoyl (POB) proportions was prepared by spray suspensions. The friction and wear behavior were evaluated against a GCr15 steel ball on a ball-on-disc tribometer under dry sliding. The effect of the content of POB on the hydrophobic, mechanical and tribological properties of the PTFE-based coatings and the performances of the corresponding ultrasonic motors (USMs) were studied. Experimental results showed that the optimal content of POB not only increased the hardness, adhesion force and contact angle (CA), but also increased the coefficient of friction and wear resistance of the PTFE coatings. Especially, the wear rate of PTFE coating filled with 15 wt.% POB (3.42×10−4 mm3/N·m) was only a quarter of pure PTFE. The morphologies of the worn surfaces of the PTFE coatings were observed by scanning electron microscopy to discuss the wear mechanism. The mechanical output properties of USMs were the best with filling of 10 wt.% POB into PTFE matrix.

Keywords: mechanical properties; POB; PTFE; tribological properties; USMs

Funding source: National Natural Science Foundation of China

Award Identifier / Grant number: 51275242

Award Identifier / Grant number: 51403101

Funding statement: The authors thank the National Natural Science Foundation of China (nos. 51275242 and 51403101) and the Fundamental Research Funds for the Central Universities (no. NJ20150004) for financial support. The National Basic Research Program of China (973 Program, grant no. 2015CB057501) is also gratefully appreciated for supporting this study.

Acknowledgments

The authors thank the National Natural Science Foundation of China (nos. 51275242 and 51403101) and the Fundamental Research Funds for the Central Universities (no. NJ20150004) for financial support. The National Basic Research Program of China (973 Program, grant no. 2015CB057501) is also gratefully appreciated for supporting this study.

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Received: 2016-5-22
Accepted: 2016-11-3
Published Online: 2016-12-9
Published in Print: 2017-8-28

©2017 Walter de Gruyter GmbH, Berlin/Boston

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https://doi.org/10.1515/polyeng-2016-0183
Schlagwörter für diesen Artikel
mechanical properties; POB; PTFE; tribological properties; USMs

Artikel in diesem Heft

  1. Frontmatter
  2. Original articles
  3. Stem cell culture on polyvinyl alcohol hydrogels having different elasticity and immobilized with ECM-derived oligopeptides
  4. Graphene oxide as a compatibilizer for polyvinyl chloride/rice straw composites
  5. Effect of hybrid-SiO2 particles on characterization of EPDM and silicone rubber composites for outdoor high-voltage insulations
  6. Properties of POB reinforced PTFE-based friction material for ultrasonic motors
  7. Fabrication, characterization, and application of polyester/wood flour composites
  8. Anisotropic mechanical properties of fused deposition modeled parts fabricated by using acrylonitrile butadiene styrene polymer
  9. Development of partial miscibility in polycarbonate/polypropylene blends via annealing
  10. Study on low temperature toughness and crystallization behavior of polypropylene random copolymer
  11. Steady flow and heat transfer analysis of MHD flow of Phan-Thien-Tanner fluid in double-layer optical fiber coating analysis with slip conditions
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