Laser structuring of metal surfaces: Micro-mechanical interlocking

Efficient micro-mechanical interlocking may be achieved on appropriately laser-structured surfaces. In this paper, we discuss the issues relevant for the laser-machining process, including the precision and the material removal rate. We investigate the surface morphology of stainless steel after irr...

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Bibliographic Details
Published in:Applied surface science 2009-03, Vol.255 (10), p.5591-5594
Main Authors: Byskov-Nielsen, J., Balling, P.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Laser ablation
Micro-mechanical interlocking
Physics
Surface structuring
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Summary:Efficient micro-mechanical interlocking may be achieved on appropriately laser-structured surfaces. In this paper, we discuss the issues relevant for the laser-machining process, including the precision and the material removal rate. We investigate the surface morphology of stainless steel after irradiation by nanosecond laser pulses at different pulse energies and irradiation strategies. At the optimum operation parameters, we demonstrate that a high-average-power nanosecond laser provides a reasonable compromise between precision and production time.
ISSN:0169-4332
1873-5584
DOI:10.1016/j.apsusc.2008.07.118