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Sharp, MC, Rosowski, A and French, PW (2015) Nanosecond laser texturing of aluminium for control of wettability. In: Proceedings of the SPIE, Industrial Laser Applications Symposium (ILAS 2015) , 9657. (4th Industrial Laser Applications Symposium (ILAS), 17 March 2015 - 18 March 2015, Kenilworth, ENGLAND).
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Abstract
There is increasing interest in the use of lasers to modify the wettability of surfaces. Here we report on the use of a 20W nS pulsed IR fibre laser to create strong ydrophobicity on the surface of aluminium sheets. This is unexpected, hydrophobicity is usually associated solely with femto- or pico- second laser processing. At a 20W average power level the area coverage rate is too small for many industrial applications. Further trials using a 800W DPSS laser are described and the ability of this system to change surface wettability at a much higher production rate are indicated. There is little reported literature on surface texturing at higher average power levels. Indications of the productivity, or surface coverage rate, are given.
Keywords: Fibre lasers, DPSS lasers, Surface Engineering, texturing, wettability, aluminium
| Item Type: | Conference or Workshop Item (Paper) |
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| Uncontrolled Keywords: | Science & Technology; Technology; Physical Sciences; Engineering, Electrical & Electronic; Optics; Physics, Applied; Engineering; Physics; Fibre lasers; DPSS lasers; Surface Engineering; texturing; wettability; aluminium; FEMTOSECOND LASER; SURFACES |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TK Electrical engineering. Electronics. Nuclear engineering |
| Divisions: | Engineering |
| Publisher: | Society of Photo-Optical Instrumentation Engineers |
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| Date Deposited: | 11 Aug 2015 09:56 |
| Last Modified: | 13 Apr 2022 15:13 |
| DOI or ID number: | 10.1117/12.2179929 |
| Editors: | Green, M |
| URI: | https://researchonline.ljmu.ac.uk/id/eprint/1819 |
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