Laser-treated steel surfaces gliding on snow at different temperatures

0571933 - FZÚ 2024 RIV CH eng J - Článek v odborném periodiku
Maggiore, E. - Corsaro, C. - Fazio, E. - Mirza, M. Inam - Ripamonti, F. - Tommasini, M. - Ossi, P.M.
Laser-treated steel surfaces gliding on snow at different temperatures.
Materials. Roč. 16, č. 8 (2023), č. článku 3100. E-ISSN 1996-1944
Grant CEP: GA MŠMT EF15_003/0000445
Grant ostatní: OP VVV - BIATRI(XE) CZ.02.1.01/0.0/0.0/15_003/0000445
Institucionální podpora: RVO:68378271
Klíčová slova: AISI 301H * laser engraving * LIPSS * snow * friction
Obor OECD: Optics (including laser optics and quantum optics)
Impakt faktor: 3.4, rok: 2022
Způsob publikování: Open access

With the goal of substituting a hard metallic material for the soft Ultra High Molecular Weight Polyethylene (UHMWPE) presently used to make the bases of skis for alpine skiing, we used two non-thermodynamic equilibrium surface treatments with ultra-short (7–8 ps) laser pulses to modify the surface of square plates (50 × 50 mm2) made of austenitic stainless steel AISI 301H. By irradiating with linearly polarized pulses, we obtained Laser Induced Periodic Surface Structures (LIPSS). By laser machining, we produced a laser engraving on the surface. Both treatments produce a surface pattern parallel to one side of the sample. For both treatments, we measured with a dedicated snow tribometer the friction coefficient µ on compacted snow at different temperatures (−10 °C, −5 °C, −3 °C) for a gliding speed range between 1 and 6.1 ms−1. We compared the obtained µ values with those of untreated AISI 301H plates and of stone grinded, waxed UHMWPE plates.
Trvalý link: https://hdl.handle.net/11104/0342817