Carbon steel wettability characteristics enhancement for improved enamelling using a 1.2 kW high power diode laser

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26 Citations (Scopus)

Abstract

High-power diode laser (HPDL) surface treatment of a common engineering carbon steel (EN8) was found to effect significant changes to the wettability characteristics of the metal. These modifications have been investigated in terms of the changes in the surface roughness of the steel, the presence of any surface melting, the polar component of the steel surface energy and the relative surface oxygen content of the steel. The morphological and wetting character-istics of the mild steel and the enamel were determined using optical microscopy, scanning electron microscopy (SEM), X-ray photoemission spectroscopy (XPS), energy-dispersive X-ray (EDX) analysis and wetting experiments by the sessile drop technique. This work has shown that HPDL radiation can be used to alter the wetting characteristics of carbon steel so as to facilitate improved enamelling.

Original languageEnglish
Pages (from-to)353-365
Number of pages13
JournalOptics and Lasers in Engineering
Volume32
Issue number4
DOIs
Publication statusPublished - 10 Apr 2000
Externally publishedYes

Keywords

  • Enamel
  • Laser
  • Steel
  • Surface
  • Wettability

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Mechanical Engineering
  • Electrical and Electronic Engineering

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