Nonlinear laser lithography to control surface properties of stainless steel
Date
2015
Authors
Orazi, L.
Gnilitskyi, I.
Pavlov, I.
Serro, A. P.
Ilday, S.
Ilday, F. O.
Editor(s)
Advisor
Supervisor
Co-Advisor
Co-Supervisor
Instructor
Source Title
CIRP Annals
Print ISSN
0007-8506
Electronic ISSN
Publisher
Elsevier BV
Volume
64
Issue
1
Pages
193 - 196
Language
English
Type
Journal Title
Journal ISSN
Volume Title
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2
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24
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Abstract
In the present work a novel method to improve the surface properties of stainless steel is presented and discussed. The method, based on the use of a high repetition rate femtosecond Yb fibre laser, permits generation of highly reproducible, robust, uniform and periodic nanoscale structures over a large surface area. The technique is characterized by high productivity, which, in its most simple form, does not require special environmental conditioning. Surface morphology is scrutinized through SEM and AFM analyses and wettability behaviour is investigated by means of the sessile drop method using distilled-deionized water. It is shown that optimization of process parameters promotes anisotropic wetting behaviour of the material surface.
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Book Title
Keywords
Laser micro machining, Surface modification, Deionized water, Micromachining, Nanostructures, Surface properties, Surface treatment, Wetting, Anisotropic wetting, Environmental conditioning, High repetition rate, Large surface area, Laser micro-machining, Nanoscale structure, Optimization of process parameters, Sessile drop method, Stainless steel