Enhancing surface hydrophobicity of AISI 304 stainless steel via laser texturing

The wettability performance of 304 stainless steel surfaces that were treated by multipulse laser processing under different parameters is studied in this paper. For modifying the surface of stainless steel, we used an x-y computer numerical control (CNC) fibre laser system with a 1064 nm wavelength...

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Main Authors: M. Isa, Rahim, Syarifah Nur Aqida, Syed Ahmad, Salwani, Mohd Salleh, Ahmad Syahrizan, Sulaiman
Format: Conference or Workshop Item
Language:English
Published: IOP Publishing 2025
Subjects:
Online Access:http://umpir.ump.edu.my/id/eprint/45033/
http://umpir.ump.edu.my/id/eprint/45033/1/Enhancing%20surface%20hydrophobicity%20of%20AISI%20304%20stainless%20steel%20via%20laser%20texturing.pdf
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author M. Isa, Rahim
Syarifah Nur Aqida, Syed Ahmad
Salwani, Mohd Salleh
Ahmad Syahrizan, Sulaiman
author_facet M. Isa, Rahim
Syarifah Nur Aqida, Syed Ahmad
Salwani, Mohd Salleh
Ahmad Syahrizan, Sulaiman
author_sort M. Isa, Rahim
building UMP Institutional Repository
collection Online Access
description The wettability performance of 304 stainless steel surfaces that were treated by multipulse laser processing under different parameters is studied in this paper. For modifying the surface of stainless steel, we used an x-y computer numerical control (CNC) fibre laser system with a 1064 nm wavelength. The hydrophobicity of all surfaces was evaluated through water contact angles (WCA) at different translational speeds (20–150 mm/s) and laser powers (4–20 W). Results show a spectrum of surface wettability ranging from hydrophilic (WCA<90°) to hydrophobic properties (90<WCA<150°). Hydrophobic surfaces were mainly associated with the samples processed at higher speeds and power settings while hydrophilic results were observed due to lower speeds and power settings. The highest hydrophobicity of WCA = 142.05° was obtained at a speed of 20 mm/s and laser power of 8 W. Meanwhile, the highest degree of hydrophilicity was observed at a speed of 20 mm/s and the lowest power level of 4 W, which possessed a WCA of 62.49°. Therefore, this study highlights the importance of laser parameters in the surface wettability modification process. These results are significant to applications requiring specific surface characteristics, such as anti-slip, anti-fog and self-cleaning. The findings provide a comprehensive review of the application of laser processing in preparing surface treatment with suitable properties for various industrial and biomedical applications.
first_indexed 2025-11-15T03:57:34Z
format Conference or Workshop Item
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institution Universiti Malaysia Pahang
institution_category Local University
language English
last_indexed 2025-11-15T03:57:34Z
publishDate 2025
publisher IOP Publishing
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spelling ump-450332025-07-10T07:44:52Z http://umpir.ump.edu.my/id/eprint/45033/ Enhancing surface hydrophobicity of AISI 304 stainless steel via laser texturing M. Isa, Rahim Syarifah Nur Aqida, Syed Ahmad Salwani, Mohd Salleh Ahmad Syahrizan, Sulaiman TJ Mechanical engineering and machinery The wettability performance of 304 stainless steel surfaces that were treated by multipulse laser processing under different parameters is studied in this paper. For modifying the surface of stainless steel, we used an x-y computer numerical control (CNC) fibre laser system with a 1064 nm wavelength. The hydrophobicity of all surfaces was evaluated through water contact angles (WCA) at different translational speeds (20–150 mm/s) and laser powers (4–20 W). Results show a spectrum of surface wettability ranging from hydrophilic (WCA<90°) to hydrophobic properties (90<WCA<150°). Hydrophobic surfaces were mainly associated with the samples processed at higher speeds and power settings while hydrophilic results were observed due to lower speeds and power settings. The highest hydrophobicity of WCA = 142.05° was obtained at a speed of 20 mm/s and laser power of 8 W. Meanwhile, the highest degree of hydrophilicity was observed at a speed of 20 mm/s and the lowest power level of 4 W, which possessed a WCA of 62.49°. Therefore, this study highlights the importance of laser parameters in the surface wettability modification process. These results are significant to applications requiring specific surface characteristics, such as anti-slip, anti-fog and self-cleaning. The findings provide a comprehensive review of the application of laser processing in preparing surface treatment with suitable properties for various industrial and biomedical applications. IOP Publishing 2025 Conference or Workshop Item PeerReviewed pdf en cc_by_4 http://umpir.ump.edu.my/id/eprint/45033/1/Enhancing%20surface%20hydrophobicity%20of%20AISI%20304%20stainless%20steel%20via%20laser%20texturing.pdf M. Isa, Rahim and Syarifah Nur Aqida, Syed Ahmad and Salwani, Mohd Salleh and Ahmad Syahrizan, Sulaiman (2025) Enhancing surface hydrophobicity of AISI 304 stainless steel via laser texturing. In: Journal of Physics: Conference Series. Journal of Physics: Conference; 3rd International Postgraduate Conference on Mechanical Engineering 2024 (IPCME 2024) , 3 October 2024 , Virtual, Online. pp. 1-13., 2933 (012006). ISSN 1742-6588 (print); 1742-6596 (online) (Published) https://doi.org/10.1088/1742-6596/2933/1/012006 https://iopscience.iop.org/article/10.1088/1742-6596/2933/1/012006
spellingShingle TJ Mechanical engineering and machinery
M. Isa, Rahim
Syarifah Nur Aqida, Syed Ahmad
Salwani, Mohd Salleh
Ahmad Syahrizan, Sulaiman
Enhancing surface hydrophobicity of AISI 304 stainless steel via laser texturing
title Enhancing surface hydrophobicity of AISI 304 stainless steel via laser texturing
title_full Enhancing surface hydrophobicity of AISI 304 stainless steel via laser texturing
title_fullStr Enhancing surface hydrophobicity of AISI 304 stainless steel via laser texturing
title_full_unstemmed Enhancing surface hydrophobicity of AISI 304 stainless steel via laser texturing
title_short Enhancing surface hydrophobicity of AISI 304 stainless steel via laser texturing
title_sort enhancing surface hydrophobicity of aisi 304 stainless steel via laser texturing
topic TJ Mechanical engineering and machinery
url http://umpir.ump.edu.my/id/eprint/45033/
http://umpir.ump.edu.my/id/eprint/45033/
http://umpir.ump.edu.my/id/eprint/45033/
http://umpir.ump.edu.my/id/eprint/45033/1/Enhancing%20surface%20hydrophobicity%20of%20AISI%20304%20stainless%20steel%20via%20laser%20texturing.pdf