Laser fusion cutting: The missing link between gas dynamics and cut edge topography
Madlen Borkmann,
Achim Mahrle,
Andreas Wetzig
Abstract:In laser cutting, the fundamental role of the gas flow for melt removal and kerf formation is generally accepted. Beyond this vague understanding, however, the underlying physical mechanisms are not yet fully understood. In particular, detailed data concerning the momentum and heat transfer between the gas and melt have seldom been reported. This study addresses the local interactions between the cutting gas and kerf surface (melt film surface) in a fundamental way based on a combined experimental, theoretical… Show more
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