Surface texturing by pulsed nd:yag laser

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August undefined, 2024

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. 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...

Nd:YAG laser surface texturing - NASA/ADS

WebJan 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 … 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. he gauri shankar ardhangini mantra in hindi

Nd-YAG Laser Texturing of Zirconia Implant Surfaces

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 … 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. 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. hegau karte

Effect of the surface texturing treatment with Nd: YAG laser on the ...

Nd:YAG laser - Wikipedia

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 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 európai egészségbiztosítási kártya online igénylésWebAbsorption of Nd:YAG's 1.06 micrometers radiation in most steels and ceramics, which are the common materials for textured surfaces, is good such that average power lasers can be used. európai egészségbiztosítási kártya oep

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Surface texturing by pulsed nd:yag laser

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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. … WebIntroducing specific textures on a tribological surface can contribute to friction reduction in sliding contacts. In the present paper, a pulsed …

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WebSep 16, 2024 · The 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 … WebMar 27, 2024 · The subject of the testing was surface textures made using laser technology on surfaces of samples in the form of SiC rings. The rings’ surface texturing was …

WebObtaining sharp and sometimes special patterns on hard materials surfaces (texturing) is rather difficult by conventional procedures, which made the laser an attractive choice in … 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 …

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 ... 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 ...

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WebApr 8, 2024 · Laser Surface Texturing on Titanium using Pulsed Nd:YAG Laser G. Kibria1, S. Chatterjee2, I. Shivakoti2, B. Doloi3, B. Bhattacharyya3 1Department of Mechanical Engineering, Aliah University, Kolkata-700156, India 2Department of Mechanical Engineering, Sikkim Manipal Institute of Technology, Sikkim Majitar, Rangpo, Sikkim 737132, India európai egészségbiztosítási kártya meghosszabbításaWebJun 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 … hegau massivbau singenWebJul 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 … he gauri shankar ardhangini mantraWebOct 1, 2009 · Surface texturing as a means for controlling tribological properties of mechanical components is well known for many years. Various technologies have been … hegau malerWebA 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. európai egészségbiztosítási kártya megújításWebA 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 … hegau restaurantWebDec 9, 2024 · For the present example, the Si/SiC was textured with the following laser parameters: 1.064 um Nd:YAG (thermal laser) 100 W max average power; 50-300 um pulse rate; Direct beam; 300 mm × 300 mm stage; 1 um repeat stage precision; The results of this laser texturing are illustrated in the two photomicrographs of FIGS. 10A and 10B. The … európai egészségbiztosítási kártya megújítása