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In this paper, a feasibility study of manufacturing anti-bacteria surface on stainless steel 7C27Mo2 used for surgical tools by using nanosecond pulse laser is presented. The effect of laser power on the depth of groove was studied through laser cutting experiment. Micro-pillar arrays of different dimensions and spacing were generated by laser cutting. The wetting characteristics of micro-structured surfaces were assessed by using the static contact angle measurement approach. The measurement results show that the original hydrophilic stainless steel surface can be converted into a hydrophobic surface by using laser structuring as the contact angle can be doubled. This research shows that it is feasible to manufacture hydrophobic microstructures with a laser cutting process.
|Publication status||Published - 5 Sep 2017|
|Event||15th International Conference on Manufacturing Research - University of Greenwich, London, United Kingdom|
Duration: 5 Sep 2017 → 7 Sep 2017
|Conference||15th International Conference on Manufacturing Research|
|Period||5/09/17 → 7/09/17|
- laser cutting
- contact angle
- nanosecond pulse laser
- stainless steel
- advanced manufacturing
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- 2 Finished
1/07/13 → 31/12/17