Abstract
AbstractThe influence of the laser fluence on the quality of percussion-drilled holes was investigated both experimentally and by an analytical model. The study reveals that the edge quality of the drilled microholes depends on the laser fluence reaching the rear exit of the hole and changes with the number of pulses applied after breakthrough. The minimum fluence that must reach the hole’s exit in order to obtain high-quality microholes in stainless steel was experimentally found to be 2.8 times the ablation threshold.
Funder
Bundesministerium für Wirtschaft und Energie
Deutsche Forschungsgemeinschaft
Universität Stuttgart
Publisher
Springer Science and Business Media LLC
Subject
General Materials Science,General Chemistry
Cited by
4 articles.
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