Surface texturing by pulsed nd:yag laser
WebThe present work aims to explore the tribological behavior of the laser texturing process with different patterns on a Co based alloy using a pulsed Nd: YAG laser. Different parameters such as peak power, speed and spot diameter of the laser were explored for the experimental setting. WebMay 10, 2024 · All surfaces were direct laser textured (DLT) using a nanosecond Nd:YAG laser (wavelength of 1064 nm) with a pulse duration of 95 ns (full width at half maximum) in a similar way as in ref. 11.
Surface texturing by pulsed nd:yag laser
Did you know?
WebOct 1, 2009 · Laser surface texturing Before performing tribological tests with well-defined micro-geometries, the first step was to establish a precise correlation between the … WebSep 21, 2024 · Femtosecond laser-assisted surface texturing of compression piston rings is proposed and demonstrated. A femtosecond pulsed Ti 3+ :sapphire laser is used to generate dimples of the same size but with different area density on a moly-chrome ceramic deposited cast iron piston ring.
WebApr 30, 2005 · The roll surface is textured to the pattern shown in Fig. 5 by a pulsed Nd:YAG laser. The diameter and height of the bumps are determined according to the power, pulse width and defocusing of the laser. The interval between bumps is 500 μm and diameter of the bumps is about 250 μm. The bumps height is from 3 to 5 μm. WebApr 11, 2024 · The influence of the Nd:YAG laser's oscillation energy on creating textured surfaces on silicon wafers is investigated in this study. The silicon wafer surfaces were directly ablated by a pulsed Nd:YAG laser beam to create the texturing, which was then examined using UV-Vis spectroscopy, AFM and FESEM to determine its …
WebThe technique of laser treatment on material surface so as to i mprove mechanical properties of the surface layer has been rapidly developed during the previous decades. The surface texturing method used pulsed Nd:YAG laser has been successfully created for the tr eatment of the cold-roll used in steel sheet forming [1,2]. WebJan 6, 2024 · Surface modification of metals is performed using pulsed Nd: YAG laser (Trumpf, Germany) with pulse duration ranged from microsecond to millisecond time scale. The applied laser energy is variable and can be adjusted from 0.5 to 10 joule for different pulse duration (0.8, 0.9, 1, 2, 3, 4, 5, 6) ms.
WebA pulsed Nd:YAG laser (1.064 μm radiation, 120 ns) with repetitive scans has been used to texture aluminium AL 2024 substrates. During the process, several laser parameters as scanning rate, distance between the laser impacts, frequency of the impulses and incident power have been studied to achieve NiAl coatings.
Web2 days ago · Laser microstructuring has been studied extensively in the last decades due to its versatile, contactless processing and outstanding precision and structure quality on a … garms theessen barsinghausenWebTexturization of monocrystalline silicon surface by using Pulsed Laser Nd:YAG was found to be promising method in terms to avoid chemical texturing etched method. Compared to the conventional texturing method, laser texturization is much more independent on grains crystallographic orientation. ... E. Rodriguez, R. Leon and M.A. Montaigne ... garmston street lincolnWebJan 1, 2010 · In the present paper, a pulsed Nd:YAG laser emitting at 1064 nm, was used against 100Cr6 steel samples in order to produce well-defined surface micro-pores, which … black rootedWebSurface Texturing Pulsed Nd:Yag Laser Download Full-text RSM Based Experimental Investigation and Analysis into Laser Surface Texturing on Titanium using Pulsed … garmston shrewsburyWebThe technique of laser treatment on material surface so as to i mprove mechanical properties of the surface layer has been rapidly developed during the previous decades. … garmston professionalWebEtsion et al. [ 2] [performed laser surface texturing on piston rings using . 3+:YAG laser Nd with a power of 11 kW, pulse duration of 30 ns, pulse repetition rate of 5 kHz and energy of 4 mJ/pulse. aser L surface texturing of piston rings increasethe lubricant d thickness and thereby reducing friction [2]. The dimples garmteach epastsWebObtaining sharp and sometimes special patterns on hard materials surfaces (texturing) is rather difficult by conventional procedures, which made the laser an attractive choice in … garmston and wellman