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effect of laser texturing on the surface characteristics

The effect of multi-scale laser textured surface on

Laser surface texturing (LST) is a surface engineering process used to improve tribological characteristics of materials by creating patterned microstructures on the mechanical contact surface.In LST technology,a pulsated laser beam is used to create arranged dimples on surface by a material ablation process,which can improve load capacity,wear resistances,lubrication lifetime,and reduce The effect of laser surface texturing to inhibit stick The bulge-textured surface shows excellent anti-stick-slip effect,and the critical stick-slip speed of bulge-textured surface is 95.9% lower than that of the smooth surface.Simultaneously,the anti-stick-slip effect of bulge-textured surface is superior to that of the dent-shaped texturing surface.Surface texturing with pulsed fiber lasers Industrial Laser surface texturing is a viable technology for surface engineering that can produce significant improvement of engineering components in aspects such as wear resistance,wetting characteristics (FIGURE 1),friction coefficients,load capacities,and part lubrication.

Surface Texture Manufacturing Techniques and Tribological

The tribological characteristics of sliding surfaces have been remarkably improved by surface texturing.Surface texturing can be beneficial in many ways; for example,it can reduce friction and wear,increase load carrying capacity,and increase fluid film stiffness.Surface Texture Manufacturing Techniques and Tribological ABSTRACT.The tribological characteristics of sliding surfaces have been remarkably improved by surface texturing.Surface texturing can be beneficial in many ways; for example,it can reduce friction and wear,increase load carrying capacity,and increase fluid film stiffness.The design process for surface texturing is highly correlated to the particular functions of any application for which texturing isPrevious123456NextLightmotif Laser surface texturingLaser Induced Periodic Surface Structures (LIPSS) Another interesting effect that is related to the use of ultrashort pulses are self-organizing / laser induced textures.These so-called Laser Induced Periodic Surface Structures (LIPSS) typically form ripple patterns with a pitch in the order of the laser wavelength,resulting in a texture with features that are much smaller than the laser spot.

Pico- and Femtosecond Laser Micromachining for Surface

Sep 10,2018 effect of laser texturing on the surface characteristics#0183;The geometric effect of surface geometry on the superhydrophobicity is discussed to optimize the laser surface profile control.7.1 LIPSS by femtosecond laser texturing With reduction of the pulse duration,the optical interaction with irradiated materials localizes in the wavelength range.Lightmotif Laser surface texturingAnother interesting effect that is related to the use of ultrashort pulses are self-organizing / laser induced textures.These so-called Laser Induced Periodic Surface Structures (LIPSS) typically form ripple patterns with a pitch in the order of the laser wavelength,resulting in a texture with features that are much smaller than the laser spot.Laser surface texturing of gray cast iron for improving diameter [1012].In this study,the application of laser surface texturing increased the life of the seal by three-fold.A good review of the evolution of laser texturing can be found in [3].The effect of laser surface texturing on the transition from boundary to the hydrodynamic lubri-cation regime was experimentally investigated by mea-

Laser surface texturing of gray cast iron for improving

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 coefficient.Laser surface texturing of SS316L for enhanced adhesion of This study investigates the effects of the structured surface on the adhesion,proliferation and alignment of endothelial cells (HUVECs).The chemical state of laser-structured surface was also investigated in comparison with the non-treated surface.Laser surface texturing of SS316L for enhanced adhesion of This study investigates the effects of the structured surface on the adhesion,proliferation and alignment of endothelial cells (HUVECs).The chemical state of laser-structured surface was also investigated in comparison with the non-treated surface.

Laser surface texturing and applications Request PDF

The pulsed laser texturing technique has been shown to be highly controllable with suitable reproducibility and surface characteristics in terms of roughness (Ra),peakLaser surface texturing - Appropedia The sustainability wikiSep 08,2011 effect of laser texturing on the surface characteristics#0183;Laser surface texturing (LST) is a surface engineering process used to improve tribological W characteristics of materials.Using a laser W to create patterned microstructures W on the surface of the materials can improve load capacity,wear rates,lubrication lifetime,and reduce friction coefficients.The use of surface irregularities to improve tribological properties was firstLaser surface texturing - Appropedia The sustainability wikiIntroductionBasic Underlying PrinciplesApplying The TechnologyBenefitsApplicationsCase Example - Energy BalanceAlternative Surface Texturing MethodsLaser surface texturing (LST) is a surface engineering process used to improve tribologicalW characteristics of materials.Using a laserW to create patterned microstructuresW on the surface of the materials can improve load capacity,wear rates,lubrication lifetime,and reduce friction coefficients.The use of surface irregularities to improve tribological properties was first discussed in the 1960s and is implemented in sSee more on appropediaThe effect of laser surface texturing on the tribological 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.

Laser structuring and texturing Lasea

Laser texturing will also enable a surface to be made functional by making it diffractive,hyperhydrophobic or absorbent (intense black).The applications of laser structuring or texturing are thus the lab on chip,microfluidics,integrated optics,information storage,micromechanics and microelectronics.Laser Texturing,Characterization and Related Effects Laser surface texturing (LST) is a surface engineering process that allows coverage of surfaces by regular arrays of ablated micro-dimples,the presence of which has been demonstrated to provide benefits on the tribological behavior of lubricated contacts in terms of reduction of friction and damping of wear,thanks to oil-holding and debris-trapping capabilities,and to the enhancement of hydrodynamicImproving precision in the prediction of laser texturing Aug 28,2019 effect of laser texturing on the surface characteristics#0183;Laser-based surface texturing provides highly controlled interference fit between two parts.In this work,artificial intelligence-based models were used to predict the surface properties of laser processed stainless steel 316 samples.

Frontiers Laser Surface Texturing of Polymers for

Several surface processing techniques have been explored to modulate these properties for biomedical applications.Despite their potentials,these methods have limitations that prevent their applicability.In this regard,laser-based methods,in particular laser surface texturingFrontiers Laser Surface Texturing of Polymers for Several surface processing techniques have been explored to modulate these properties for biomedical applications.Despite their potentials,these methods have limitations that prevent their applicability.In this regard,laser-based methods,in particular laser surface texturingEffects of surface texturing on the frictional behavior of Feb 01,2014 effect of laser texturing on the surface characteristics#0183;They found that surface texturing substantially increased the load- carrying capacity of bearing surfaces.It is also well known that surface texturing of solid surfaces modifies the frictional and wear properties.Dumitru et al.investigated the effect of surface textures using tribological tests on laser-structured substrates.They reported that the lifetimes of laser-processed samples increased

Effect of laser texturing on the surface characteristics

Nov 01,2019 effect of laser texturing on the surface characteristics#0183;The improvement of adhesive bonded joints after laser texturing was demonstrated following three aspects the expanded contact area and increased surface roughness facilitated the mechanical interlocking effect ,the better wettability promoted the penetration of adhesive into the substrate ,and the higher surface free energy generated the stronger adsorption .In our study,the surface roughness and contact area were both increased significantly after laser texturingEffect of laser textured surface with different patterns Translate this pageChrome steels are used in bearings since they possess high strength and wear resistance.However,when those parts are in service,failure happens due to sliding friction before the lifetime.To improve the durability of the American Iron and Steel Institute (AISI) 52100 chromium steel,in this work,the effect of laser surface texturing (LST) was analyzed.Effect of laser surface texturing on primary stability and Dec 01,2017 effect of laser texturing on the surface characteristics#0183;Finally,and regarding eventual surface topography changes,due to aging as a consequence of common sterilization processes,after laser surface treatments,there is also no information in the literature.Thus,in this study a preliminary analysis of the aging effect on surface properties,namely roughness,was performed.

Effect of laser surface texturing on friction behaviour in

Sep 01,2020 effect of laser texturing on the surface characteristics#0183;The Laser Surface Texturing (LST) technique has been largely investigated to improve the tribological performance of lubricated contacts.The present contribution is aimed at scrutinizing the influence of three texture configurations fabricated by LST on the tribological performance of elastohydrodynamic (EHD) point contacts under different slide-to-roll ratios (SRR),entrainment velocitiesEffect of environmental dust particles on laser textured Zirconium nitride is used as a selective surface for concentrated solar heating applications and one of the methods to form a zirconium nitride is texturing of zirconia surface by a high intensity laser beam under high pressure nitrogen gas environment.Laser texturing also provides hydrophobic surface characteristics via forming micro/nano pillars at the surface; however,environmental dust Effect of Surface Texture on the Adhesion Performance of The results showed that laser texturing provided up to eightfold and 30% higher shear strength compared to plain and sand blasted surfaces,respectively.Failure analysis showed that a margin of improvement is still possible by adapting the surface texture for better cavity filling and reducing surface damage caused by the laser treatment.

Effect of Q-switched Laser Surface Texturing of Titanium

The potential use of a 100W Q-switched YAG laser miller (DMG Lasertec 60 HSC) for texturing titanium is investigated.A series of regular features with dimensions of the order of tens of micrometers are generated in the surface of titanium samples and the cell response to these features is determined.ELUCIDATING THE WEAR MECHANISMS OF LASERThe objective of this project is to study the effects of different surface textures and patterns on the wear mechanisms involved,and the cumulative damage on these surfaces.Laser surface texturing (LST) is used to ablate metallic surfaces to impart a pattern or texture in order to improve surface tribological characteristics.Cited by 4Publish Year 2019Author Ziwei Feng,Hongyun Zhao,Caiwang Tan,Baohua Zhu,Fengbin Xia,Qiang Wang,Bo Chen,Xiaoguo SongEffect of laser texturing on the surface characteristics The results indicated that surface roughness and wettability were both enhanced after laser texturing.The grid patterned substrate was improved pronouncedly,where Ra increased by 400% and Rz was 13 times higher than as-received specimens,and the contact angle was decreased from 65 effect of laser texturing on the surface characteristics#176; to 24 effect of laser texturing on the surface characteristics#176;.

Cited by 4Publish Year 2019Author Ziwei Feng,Hongyun Zhao,Caiwang Tan,Baohua Zhu,Fengbin Xia,Qiang Wang,Bo Chen,Xiaoguo SongEffect of laser texturing on the surface characteristics

Effect of laser texturing on the surface characteristics and bonding property of 30CrMnSiA steel adhesive joints Article in Journal of Manufacturing Processes 47:219-228 October 2019 with 76 ReadsCited by 27Publish Year 2017Author C.G.Moura,R.Pereira,R.Pereira,M.Buciumeanu,O.Carvalho,F.Bartolomeu,R.Nascimento,F.S.SThe effect of laser surface texturing to inhibit stick Sep 08,2019 effect of laser texturing on the surface characteristics#0183;Laser surface texturing (LST) technology,as a newly developed advanced surface texture technology,has attracted more and more attention from experts and scholars because of its advantages of high processing accuracy,fast processing speed,non-contact processing without damage to the surface,and environmental protection.Author Hao Wang,Xuan Xie,Xijun Hua,Bifeng Yin,Hang Du,Sheng Xu,Bai Jing QiuPublish Year 2019Effect of laser textured surface with different patterns Translate this pageChrome steels are used in bearings since they possess high strength and wear resistance.However,when those parts are in service,failure happens due to sliding friction before the lifetime.To improve the durability of the American Iron and Steel Institute (AISI) 52100 chromium steel,in this work,the effect of laser surface texturing (LST) was analyzed.

12345NextA Study on the Effect of Laser Surface Texturing on

Dimples with various pitches and densities were produced using laser surface texturing (LST) to improve the friction and wear behavior of graphite cast iron.The objective of this study is to investigate the effectiveness of dimples on the friction and wear behavior of(PDF) Surface texturing for tribological applications A This study investigates the effect of laser surface texturing on the friction behavior of grey cast iron reciprocating under boundary,mixed lubrication conditions and cyclic loading.(PDF) Surface texturing for tribological applications A This study investigates the effect of laser surface texturing on the friction behavior of grey cast iron reciprocating under boundary,mixed lubrication conditions and cyclic loading.

(PDF) Research on surface texturing in Malaysia for

Surface textures also improve machining and extrusion performance by enhancing lubricant availability at the contact points,thereby reducing friction,wear,temperature,machining forces and

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