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Friction welding of plastics

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Abstract

Using a specially constructed and instrumented machine, the friction welding characteristics of four thermoplastics: nylon 66, acetal, polymethylmethacrylate and polyvinyl chloride (PVC) were investigated. It was found that during the frictioning stage the inter-facial torque and burn-off rate are both constant, but dependent on the axial pressure and rubbing velocity. The rate of heat generation was found to be greatest in nylon 66 and least in PVC and this is discussed in terms of the thermal properties and coefficients of friction of each material. It was found that the conditions required to produce good welds in each of the four thermoplastics are quite critical.

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Authors and Affiliations

  1. Department of Mechanical and Industrial Engineering, The Queen's University of Belfast, Ashby Institute, Stranmillis Road, Belfast, N. Ireland

    R. J. Crawford & Y. Tam

Authors
  1. R. J. Crawford
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  2. Y. Tam
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Crawford, R.J., Tam, Y. Friction welding of plastics. J Mater Sci 16, 3275–3282 (1981). https://doi.org/10.1007/BF00586287

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  • DOI: https://doi.org/10.1007/BF00586287

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