site stats

Surface texturing by pulsed nd:yag laser

WebIntroducing specific textures on a tribological surface can contribute to friction reduction in sliding contacts. In the present paper, a pulsed … WebJul 17, 2024 · The grid-like surface texture (sample c) was produced by a different laser technique, which is called Direct Laser Interference Patterning (DLIP). Here, a nanosecond-pulsed solid state Nd:YAG laser is used with a pulse duration of …

Surface texturing by pulsed Nd:YAG laser Request PDF

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. 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 … 3d 可视化 开源 https://adl-uk.com

Surface texturing by pulsed Nd:YAG laser - sciencegate.app

http://www.jlps.gr.jp/jlmn/assets/1a81bd69e316b2eb04be95cf02a60fa5.pdf WebSurface Texturing Pulsed Nd:Yag Laser Download Full-text RSM Based Experimental Investigation and Analysis into Laser Surface Texturing on Titanium using Pulsed … 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. 3d 口罩 推薦

Luis Vilhena - Instituto Superior Técnico - Coimbra

Category:Nd:YAG Laser Texturization on Silicon Surface Scientific.Net

Tags:Surface texturing by pulsed nd:yag laser

Surface texturing by pulsed nd:yag laser

Laser surface texturing (LST) treatment before thermal …

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. WebJun 15, 2024 · The new texturing technique proposed in this paper is pulsed Nd:YAG laser. By using pulsed Nd:YAG laser, it can texture silicon solar cells surfaces and reduce the reflectance. Pulsed Nd:YAG laser also can working independently on …

Surface texturing by pulsed nd:yag laser

Did you know?

WebThe processing of a magnesium-alumino-silicate matrix, SiC fibre glass-ceramic matrix composite using a pulsed Nd-YAG laser . × Close Log In. Log in with Facebook Log in with … WebJun 11, 2024 · A Nd:YAG pulsed laser with a maximum mean laser power of 500 W, a wavelength of 1.06μm, pulse repetition rates from 1 to 100 Hz, pulse duration from 0.5 to 9 ms and degree of stability within ±5% is employed in the experiments. ... It can be considered as an important milestone in the evolution of the steel sheet surface texturing [7–9 ...

WebNd:YAG (neodymium-doped yttrium aluminum garnet; Nd:Y 3 Al 5 O 12) is a crystal that is used as a lasing medium for solid-state lasers.The dopant, triply ionized neodymium, Nd(III), typically replaces a small fraction (1%) … WebEtsion 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

WebA thermo Kinetic Study of Titanium Oxidation assi sted by a Nd YAG Pulsed Laser L. Lavisse 1, C. Langlade 2, P.Berger 3, D. Grevey 1 and A.B. Vannes 2 1 LTm Lab., IUT du Creusot, 71200 Le Creusot, France 2 IFoS Lab., STMS Dpt., Ecole Centrale de Lyon, BP 136 , 69131 Ecully, France 3 LPS, CEA/CNRS UMR 9956, Saclay, 91191 Gif-sur-Yvette, France … WebApr 19, 2024 · In laser surface texturing process, the controllable process variables such as laser beam power, pulse frequency or pulse repetition rate, scanning speed, etc., have …

WebApr 1, 2024 · Surface texturing by pulsed Nd:YAG laser. Article. Jan 2010; TRIBOL INT; Luís Miguel Vilhena; ... Nd:YAG pulsed laser irradiance with 1.3 × 10⁹ W/cm² operated at 266 nm wavelength, 6 ns pulse ...

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. … 3d 吸血鬼WebTexturization 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 ... 3d 后端渲染WebApr 5, 2024 · Surface texturing has been found to be an important technique for tribological improvement under the state of starved ... Z. Microstructure evolution on the surface of stainless steel by Nd:YAG pulsed laser irradiation. Appl. Surf. Sci. 2008, 254, 3442–3448. [Google Scholar] Akgun, O.V.; Inal, O.T. Desensitization of sensitized 304 stainless ... 3d 吸塑月曆WebJun 19, 2014 · Gao YB, et al. A two-step nanosecond laser surface texturing process with smooth surface finish. Appl Surf Sci 2011; 257: 9960–9967. Crossref. ISI. Google Scholar. 29. ... Vilhena LM, et al. Surface texturing by pulsed Nd:YAG laser. Tribol Int 2009; 42: 1496–1504. Crossref. ISI. Google Scholar. Cite article Cite article. Cite article 3d 合成 写真WebJun 27, 2012 · This article reports the surface modification of Ti-6Al-4V, which is widely used for mechanical engineering applications by laser texturing in order to enhance its tribological properties. Surface patterns with three different diametered dimples were prepared for Ti-6Al-4V. 3d 商用素材WebJan 1, 2003 · Abstract To reduce friction and improve clarity of steel surfaces. laser texturing was used to produce known surface roughness profile on rolled surfaces using a Nd:YAG laser. Laser... 3d 四元数WebLaser technology can be used to tailor Mg surfaces aiming to modify exposed area/roughness and thus control the biocorrosion process. This work presents a detailed … 3d 回路成型