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Linear and nonlinear characterization of surfaces from a laser beam melt ablation process

Kevin Bube1, Camilo Rodrigues Neto1,2, Reik Donner3, Udo Schwarz3 and Ulrike Feudel1

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We apply linear and nonlinear methods to study the properties of surfaces generated by a laser beam melt ablation process. As a result we present a characterization and ordering of the surfaces depending on the adjusted process parameters. Our findings give some insight into the performance of two widely applied multifractal analysis methods—the detrended fluctuation analysis and the wavelet transform modulus maxima method—on short real world data.


PACS

42.62.Cf Industrial applications

81.20.Wk Machining, milling

02.30.Uu Integral transforms

05.45.Df Fractals

Subjects

Mathematical physics

Optics, quantum optics and lasers

Condensed matter: structural, mechanical & thermal

Statistical physics and nonlinear systems

Dates

Issue 7 (7 April 2006)

Received 12 September 2005, in final form 22 December 2005

Published 17 March 2006



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