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Enhanced Wear Resistance by Compressive Strengthening a Novel Combination of Laser and Ion Implantation Technology

  • H. De Beurs (a1) and J. Th. M. De Hosson (a1)

Abstract

Despite the advantages of laser processing for the production of wear resistant materials, laser surface melting results in tensile stresses because the melted layer shrinks during resolidification. These tensile stresses may lead to severe cracking of the material and to deleterious effects on the wear behaviour. Our basic idea presented in this paper is to convert the high tensile stresses in the laser melted surface into a compressive state after implantation. In general, neon implantation is not very effective in the reduction of wear rates. However, neon implantation into laser melted steel turns out to reduce the wear rate substantially.

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8. Beurs, H. de, Hosson, J. Th. M. De, submitted to Acta Metall.

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