effects of femtosecond laser texture on the tribological

effects of femtosecond laser texture on the tribological suppliers, distributors, production and supply of effects of femtosecond laser texture on the tribological, are committed to providing high-quality products, as well as excellent cutting, forming, drilling and other processing services. If you have any needs, please feel free to contact:

[email protected]


Femtosecond Laser Texturing of Surfaces for Tribological

Laser texturing is an emerging technology for generating surface functionalities on basis of optical, mechanical, or chemical properties. Taking benefit of laser sources with ultrashort (fs) pulse durations features outstanding precision of machining and negligible rims or burrs surrounding the laser-irradiation zone. Tribological behavior of femtosecond laser textured Sep 14, 2015 · This paper aims to carry out tribological experiments to explore the applications of femtosecond laser surface texturing technology on rock bit sliding bearing to enhance the lifetime and working performance of rock bit sliding bearing under high temperature and heavy load conditions. , Surface textures on beryllium bronze specimen were fabricated by Tribological behavior of femtosecond laser-textured leaded Oct 01, 2021 · The tribological behavior of femtosecond laser-textured leaded brass samples under five surface roughness and four lubrication conditions were studied. The results have shown that under a variety of lubrication conditions, the coefficient of friction of laser-textured leaded brass exhibited consistent changes. Tribological behavior of femtosecond laser textured laser surface texturing on mating components of rock bit sliding bearings, by focusing on the effects of fs laser power and pulse numbers on geometrical characteristics of the surface textures, and comparing the tribological behavior of textured surface and un-textured surfaces in high temperature, heavy load and non-Newtonian lubrication Femtosecond Laser Texturing of Surfaces for Tribological May 15, 2018 · The following parts provide relevant definitions of tribological terms (Section 2.1) and test methods (Section 2.2), the specific ideas behind laser surface texturing for tribological applications (Section 2.3) and the particular benefits of using femtosecond lasers (Section 2.4). In all cases, the basic principles and methods are discussed Tribological behavior of femtosecond laser-textured leaded The tribological behavior of laser textured Ti-20Zr-10Nb-4Ta (TZNT) alloy lubricated with simulated body fluid (SBF) was evaluated. The laser texturing was carried out using a femtosecond laser Femtosecond laser surface texturing of diamond-like Mar 01, 2019 · Femtosecond lasers have advantages in microprocessing of thin DLC films due to reduced thermal effects [, , ], however research works to show beneficial effects of fs-laser surface texturing on tribological properties of DLC coatings are still very limited (see [27,28] and ), especially for sliding under liquid lubrication. Effect of Femtosecond Laser ParametersApr 17, 2018 · The effects of femtosecond laser parameters such as fluence, scanning speed and ablation medium on texture performance characteristics of metals (Metals Section) and non-metals (Ceramics, Polymers and Semiconductors, Modulation of dry tribological property of stainless steel Mar 04, 2015 · We reported on the modification of tribological properties of stainless steel by femtosecond laser surface microstructuring. Regular arranged micro-grooved textures with different spacing were produced on the AISI 304L steel surfaces by an 800-nm femtosecond laser. The tribological properties of smooth surface and textured surface were investigated Effect of scanning speed and tin content on the Dec 01, 2018 · This paper examines the effect of scanning speed on femtosecond laser texture characteristics of tin bronze alloy containing 8% and 12% tin. The friction and wear behavior of microgrooves produced on tin bronze alloy were reported under lubricated conditions. Higher tin content and lower scanning speed led to higher depth and width of the grooves. Effect of Femtosecond Laser Power and Overlap Ratio on Effect of Femtosecond Laser Power and Overlap Ratio on Surface Roughness Parameters, Contact Angle, and Tribological Properties of the Textured SKD 61 Tool Steel with Oil Lubrication Chang Chang-Shuo Professor Hou Kung-Hsu Professor 0000-0003-4068-5713 Chung Chen-Kuei Professor Tsai Zong-Wen Dr 0000-0003-1235-2591 Lin Jen-Fin Professor jflin Femtosecond Laser Texturing of Surfaces for Tribological May 15, 2018 · common tribological test methods, and the basic ideas behind the (femtosecond) laser surface texturing mentioned in the previous paragraph. Section 3 summarizes original results obtained for a set of The effect of laser surface texturing on the tribological Jun 27, 2012 · The effect of laser texturing of SiC surface on the critical load for the transition of water lubrication mode from hydrodynamic to mixed. Effects of femtosecond laser texture on the tribological properties of 20CrNiMo/beryllium bronz Show details . Articles Citing this One:37 View all > Tribological response of laser-textured Ti6Al4V Angle-dependent lubricated tribological properties of Jul 01, 2016 · The effects of textures on the tribological properties were investigated by reciprocating ball-on-flat tests against Al 2 O 3 ceramic balls under starved oil lubrication. In comparison of other laser-textured surface, there is very minimal resolidified and spatter particles on the femtosecond laser-textured surface due to its ablation mechanism. 10-1108_ILT-03-2015-0042.pdf - Tribological behavior of The textured specimens prepared are shown in Figure 1(a), and Figure 1(b) is the partial enlarged view, in which L Tribological behavior of femtosecond laser textured surfaces Xia He, Lin Zhong, Guorong Wang, Yang Liao and Qingyou Liu Industrial Lubrication and Tribology Volume 67 · Number 6 · 2015 · 630638 631 Effects of the array modes of laser-textured micro-dimples A mixed lubrication model of textured cylinder linerpiston ring was built to investigate the effects of four array modes namely, square array, stagger array, stretching, and shortening along liner axis array of micro-dimples on the tribological properties of cylinder linerpiston ring pair. Effect of femtosecond laser power and overlap ratio on Dec 01, 2020 · Abstract. This study prepared samples with femtosecond(fs)-laser-induced periodic surface structures (LIPSSs) controlled by laser power (or peak fluence, F 0) and overlap ratio (OR) to improve the friction and wear behavior of the SKD 61 tool steel sliding against a hard Si 3 N 4 ceramic counterface in oil lubrications. Pin-on-plate (pin:Si 3 N 4; plate:SKD 61 Tribological behavior of femtosecond laser textured Sep 14, 2015 · Purpose This paper aims to carry out tribological experiments to explore the applications of femtosecond laser surface texturing technology on rock bit sliding bearing to enhance the lifetime and working performance of rock bit sliding bearing under high temperature and heavy load conditions. Design/methodology/approach Surface textures on beryllium Tribological Properties of High-Speed Uniform Femtosecond The sub-surface portion of the texture appeared uniform and compact, with no presence of void or crack, indicating that the laser effect was localized in the very outermost part of the material. In Figure 5 , the results of the tribological investigation were reported, for the patterned surface and the unpatterned flat one, used as a reference. Effect of scanning speed and tin content on the Dec 01, 2018 · Femtosecond laser surface texturing of soft bearing materials such as tin bronze is of great interest to manufacturing community since it aims at protecting valuable steel components by reducing wear and friction. This paper examines the effect of scanning speed on femtosecond laser texture characteristics of tin bronze alloy containing 8% and 12% tin. Non-Uniform Micro-Texturing of Tribological Steel Lasers in Manufacturing Conference 2015 Non-Uniform Micro-Texturing of Tribological Steel Surfaces by Femtosecond Laser Ablation Antonio Anconaa,*, Giuseppe Carboneb, Michele Scaraggic, Annalisa Volpea,d, Michele De Filippisb, and Pietro Mario Lugaràa,d aCNR Institute for Photonics and Nanotechnologies U.O.S. Bari, Physics Department M. Merlin, via Study of the effect of surface laser texture on Jan 30, 2020 · Three kinds of micro-textures, namely, line, sinusoidal and rhombic grooves, with different area occupancy rates were produced by a laser on the cemented carbide surface. Experiments and finite element simulation of ABAQUS were used to investigate the tribological characteristics of micro-textured cemented carbide. Fractal parameters developed to evaluate the effects of Apr 27, 2021 · The femtosecond laser system was supported by the Additive Manufacturing and Laser Application Center, Industrial Technology Research Institute (ITRI). The tribological tester was served from Tribol Lab hosted by Professor Kung-Hsu Hou, Chung Cheng Institute of Technology (CCIT). All assistance and enhancements are deeply appreciated. Wear rate control of PEEK surfaces modified by femtosecond This paper presents the effect of laser texturing on the tribological properties of PEEK surfaces under a ball-on-flat contact configuration. Thus, surfaces with circular dimples of various The Influence of Surface Texture on Abrasive WearThe tribological behavior of femtosecond laser-textured leaded brass samples under five surface roughness and four lubrication conditions were Coatings Free Full-Text Tribological Performance of Recently, femtosecond (fs) laser processing of DLN films has been demonstrated as an effective technique to control the friction properties at the nano, micro, and macroscale [16,20,25,26,27] and to improve tribological properties of laser-textured DLN films in lubricated sliding [16,26]. Most of the important findings for fs-laser-textured DLN Effect of Laser Surface Texturing on Coating Adherence and Oct 04, 2021 · The effect of grit blasting surface and laser textured surface on tribological Tan, C., Feng, Z., Zhang, H., Wu, L., Chen, B. and Song, X., Effect of laser texturing on mechanical Improving dry machining performance of TiAlN hard-coated tools through combined technology of femtosecond laser-textures and WS2 soft-coatings Coatings Free Full-Text Improving Tribological A possibility of improving tribological properties by femtosecond laser irradiation on an example of a steel surface by creating regularly arranged micro-grooved textures that contain self-organized microstructures and nano laser-induced periodic surface structures (LIPSS) was determined. The friction coefficient of the treated surface of a sample of cold-rolled 1.4301 Fast laser surface texturing of spherical samples to texture configurations could wear out during operation and consequently lose their beneficial tribological effects. Additional manufacturing steps and costs also preclude the application of surface textures in some real applications. Laser texturing is the most successful texturing technique to create surface cavities [21]. It is commonly On Design and Tribological Behaviour of Laser Textured nanosecond (ns) and femtosecond (fs) lasers. In particular, the tribological performance of the textured WC blocks against stainless steel (SS316L) counterbody was evaluated in terms of friction and wear under dry condition compared to an untextured specimen. Manipulation of Tribological Properties of Metals by Oct 26, 2016 · Laser textured surface. (a) Laser-textured stationary specimen of the seal. (b) Laser-textured thrust bearing [9, 11]. As early as 2004, Dumitru et al. studied the effect of femtosecond laser ablation on tribological properties of coated WC-Co surfaces under dry condition. Surface textures with various shapes were found to occur after a given Laser surface texturing of gray cast iron for improving Feb 16, 2014 · Laser surface texturing process involves creation of microfeatures, e.g., tiny dimples, usually distributed in a certain pattern, covering only a fraction of the surface of the material that is being treated. The process offers several advantages for tribological applications, including improved load capacity, wear resistance, lubrication lifetime, and reduced friction

Contact us