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Surface structures produced in 1C–1.5Cr and 0.38C-Ni-Cr-Mo steels by high-power CO2 laser processing

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Abstract

The effects of surface high-power laser processing were studied for 1C-1.5Cr and 0.38C-Ni-Cr-Mo steels by changing the incident power density and laser-material interaction time. Both melted and solid-state transformed regions were produced, and studied by means of depth-selective surface Mössbauer measurements, X-ray diffraction analyses, metallogmphy and microhardness measurements. The results are compared with those previously obtained by laser surface-melting of OAC carbon steel, and are discussed with reference to the carbon content in the base alloys as well as the conditions of laser processing.

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Authors and Affiliations

  1. Department of Physics, University of Parma, Parma, Italy

    M. Carbucicchio

  2. Institute of Metallurgy, University of Bologna, Bologna, Italy

    G. Palonibarini

Authors
  1. M. Carbucicchio
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  2. G. Palonibarini
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Carbucicchio, M., Palonibarini, G. Surface structures produced in 1C–1.5Cr and 0.38C-Ni-Cr-Mo steels by high-power CO2 laser processing. J Mater Sci 21, 75–82 (1986). https://doi.org/10.1007/BF01144702

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  • DOI: https://doi.org/10.1007/BF01144702

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