Finite element simulation of the wear of polyoxymethylene in pin-on-disc configuration

Benabdallah, H. S.; Olender, D.

doi:10.1016/j.wear.2006.03.040

Cited by 45 publications

(29 citation statements)

References 20 publications

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“…The cyclic behavior of wear loss profiles might be attributed to several factors, some of which include non-homogenous material properties of POM composites, variation of sample roughness during the reciprocating motion of the stainless-steel ball, and inherent system vibration. [12,14].…”

Section: Resultsmentioning

confidence: 99%

“…The cyclic behavior of wear loss is assumed to be an unstable transfer film thickness dependent on PTFE amount in composites. The non-homogenous material properties of POM composites, variation of sample roughness during the reciprocating motion, inherent system vibration, etc., might be some of the contributing factors [12,14].…”

Section: Discussionmentioning

confidence: 99%

“…However, use of pure POM is limited to conditions of low sliding speed and low load. By depending on its own inherent properties, pure POM may not be appropriate in applications requiring superior mechanical and tribological properties [12,13,14]. Therefore, these properties must be improved to extend its range of applications.…”

Section: Introductionmentioning

confidence: 99%

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Effects of PTFE Micro-Particles on the Fiber-Matrix Interface of Polyoxymethylene/Glass Fiber/Polytetrafluoroethylene Composites

et al. 2018

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Reinforcing polyoxymethylene (POM) with glass fibers (GF) enhances its mechanical properties, but at the expense of tribological performance. Formation of a transfer film to facilitate tribo-contact is compromised due to the abrasiveness of GF. As a solid lubricant, for example, polytetrafluoroethylene (PTFE) significantly improves friction and wear resistance. The effects of chemically etched PTFE micro-particles on the fiber-matrix interface of POM/GF/PTFE composites have not been systematically characterized. The aim of this study is to investigate their tribological performance as a function of micro-PTFE blended by weight percentage. Samples were prepared by different compositions of PTFE (0, 1.7, 4.0, 9.5, 15.0 and 17.3 wt.%). The surface energy of PTFE micro-particles was increased by etching for 10 min using sodium naphthalene salt in tetrahydrofuran. Tribological performance was characterized through simultaneous acquisition of the coefficient of friction and wear loss on a reciprocating test rig in accordance to Procedure A of ASTM G133-95. Friction and wear resistance improved as the micro-PTFE weight ratio was increased. Morphology analysis of worn surfaces showed transfer film formation, encapsulating the abrasive GF. Energy dispersive X-ray spectroscopy (EDS) revealed increasing PTFE concentration from the GF surface interface region (0.5, 1.0, 1.5, 2.0, 2.5 µm).

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Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Effects of PTFE Micro-Particles on the Fiber-Matrix Interface of Polyoxymethylene/Glass Fiber/Polytetrafluoroethylene Composites

et al. 2018

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“…With the cost reducing unceasingly, high-grade engineering plastics have gradually replaced metals in many applications. As one of the five important engineering plastics [6][7][8], polyoxymethylene (POM) is relatively close to the metal in the respects of specific strength and stiffness among all kinds of plastics. Therefore, POM has been used widely in modern industry field, such as the manufacture of all kinds of sliding and rotating mechanical parts.…”

Section: Introductionmentioning

confidence: 99%

Design of Special Plastic Bearings and Their Application in Renewable Energy Conversion System

Dong¹,

Zhu²,

Zhang³

et al. 2015

TOMSJ

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Abstract:To improve the operational reliability of renewable energy conversion system, high-performance polymers and engineering plastics are used to make some parts and components of the energy conversion device, especially in the marine renewable energy generation field. In this article, special plastic bearings based on the material of polyoxymethylene (POM) were designed and applied in the power generation device of both tidal current energy and island wind energy. The properties of POM were analyzed, and the load of a POM ball was tested. Special structures of the plastic bearings were designed to meet the requirements of pressure resistance and to reduce the friction. These plastic bearings had been used in the prototypes of 20 kW tidal current turbine generation device and 15 kW island wind turbine generation device. According to the prototypes' operation, the results indicate that these plastic bearings work well and are very suitable for the application in renewable energy conversion system. By optimizing the structure, such plastic bearings would be generalized and applied in the renewable energy generation device with a higher power level.

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“…Benabdallh et al 8) have performed a numerical simulation using the wear equation that updates the geometry of a pin made of POM, and analyzed the pressure profile at the contact region for predicting the wear rate. However, this numerical study of wear may be considered as preliminary since the necessary effects such as heat and material transfer associated with the change of contact geometry were not considered.…”

Section: Introductionmentioning

confidence: 99%

A Numerical Simulation for the Sliding Surface Temperature of Polyoxymethylene

et al. 2010

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An unsteady numerical simulation was carried out to evaluate the sliding surface temperature of polyoxymethylene (POM) for wear test. The numerical model consists of two-dimensional hollow circular cylindrical POM, metallic shaft, and ambient air. The effect of conductive and convective heat transfer on the sliding surface temperature was investigated. Simulation results are in a good agreement with experiments. The influence of sliding conditions on the sliding surface temperature and limiting PV value was also discussed. Moreover, ON-OFF operation was performed in order to consider actual sliding conditions.

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Finite element simulation of the wear of polyoxymethylene in pin-on-disc configuration

Cited by 45 publications

References 20 publications

Effects of PTFE Micro-Particles on the Fiber-Matrix Interface of Polyoxymethylene/Glass Fiber/Polytetrafluoroethylene Composites

Effects of PTFE Micro-Particles on the Fiber-Matrix Interface of Polyoxymethylene/Glass Fiber/Polytetrafluoroethylene Composites

Design of Special Plastic Bearings and Their Application in Renewable Energy Conversion System

A Numerical Simulation for the Sliding Surface Temperature of Polyoxymethylene

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