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Effect of Short Fibre Reinforcement on the Friction and Wear Behaviour of Nylon 66

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Abstract

Use of thermoplastic composite material for load bearing components is increasing due to economical processing of complicated shapes in large quantities. Addition of fibre improves the strength and modulus of composites. Although the tribo-behaviour of thermoplastic composites were investigated, the friction and wear mechanisms are not yet fully understood. Friction and wear behaviour of injection unfilled Nylon 66, glass fibre reinforced Nylon 66 and carbon fibre reinforced Nylon 66 is investigated under dry sliding conditions. Tests were conducted at different normal loads and sliding velocities at room temperature. Coefficient of friction, wear loss and heat generation during the wear tests were quantified. Presence of fibre affects coefficient of friction and wear resistance of Nylon 66 matrix composites. The formation and stability of the transfer films affects the wear resistance. The rise in temperature during sliding was also calculated and also measured. The contact temperature rise is influenced by the composition which in turn influences the fibre adhesion and thereby the wear resistance. Glass fibre reinforced Nylon exhibited the lowest wear rate among the materials investigated. Both adhesive and abrasive wear mechanisms were observed in polymer matrix composites.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai, 600 036, India

    G. Srinath & R. Gnanamoorthy

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  1. G. Srinath
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  2. R. Gnanamoorthy
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Correspondence to R. Gnanamoorthy.

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Srinath, G., Gnanamoorthy, R. Effect of Short Fibre Reinforcement on the Friction and Wear Behaviour of Nylon 66. Appl Compos Mater 12, 369–383 (2005). https://doi.org/10.1007/s10443-005-5824-6

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  • DOI: https://doi.org/10.1007/s10443-005-5824-6

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