scholarly journals Combined friction and wear reduction in a reciprocating contact through laser surface texturing

Wear ◽  
2016 ◽  
Vol 358-359 ◽  
pp. 51-61 ◽  
Author(s):  
Sorin-Cristian Vlădescu ◽  
Andrew V. Olver ◽  
Ian G. Pegg ◽  
Tom Reddyhoff
Keyword(s):  
Friction And Wear ◽  
Surface Texturing ◽  
Laser Surface ◽  
Laser Surface Texturing ◽  
Wear Reduction

Tribological effects of laser surface texturing and residual stress

2018 ◽  
Vol 70 (1) ◽  
pp. 126-132 ◽  
Author(s):  
Shuwen Wang ◽  
Feiyan Yan ◽  
Ao Chen
Keyword(s):  
Residual Stress ◽  
Wear Resistance ◽  
Friction And Wear ◽  
Surface Texturing ◽  
Laser Surface ◽  
Friction Reduction ◽  
Laser Surface Texturing ◽  
Wear Testing ◽  
Content Type ◽  
Surface Textures

Purpose The purpose of this paper is to investigate the tribological effects of laser surface texturing (LST) and residual stress on functional surfaces. Design/methodology/approach Three different surface textures (circular dimple, elliptical dimple and groove) with two different textured area ratios (10 and 20 per cent) are designed and fabricated by a Picosecond Nd YAG Laser machine. The friction and wear performance of textured specimens is tested using a UMT-2 friction and wear testing machine in mixed lubrication. Findings Test results show that elliptical dimples exhibit the best performance in wear resistance, circular dimples in friction reduction and grooves in stabilization of friction. The surfaces with larger textured area density exhibit better performance in both friction reduction and wear resistance. The improved performance of LST is the coupled effect of surface texture and residual stress. Originality/value The findings of this study may provide guidance for optimal design of functional surface textures in reciprocating sliding contacts under mixed or hydrodynamic lubrication, which can be used in automotive and other industrial applications.

scholarly journals Effect of laser surface texturing (LST) on tribochemical films dynamics and friction and wear performance

Wear ◽  
2015 ◽  
Vol 332-333 ◽  
pp. 1225-1230 ◽  
Author(s):  
Bolutife Olofinjana ◽  
Cinta Lorenzo-Martin ◽  
Oyelayo O. Ajayi ◽  
Ezekiel O. Ajayi
Keyword(s):  
Friction And Wear ◽  
Surface Texturing ◽  
Laser Surface ◽  
Laser Surface Texturing ◽  
Wear Performance ◽  
Tribochemical Films

Laser surface texturing and its contribution to friction and wear reduction: a brief review

2016 ◽  
Vol 68 (1) ◽  
pp. 57-66 ◽  
Author(s):  
Ahmad Firdaus Shamsul Baharin ◽  
Mariyam Jameelah Ghazali ◽  
Juyana A Wahab
Keyword(s):  
Friction And Wear ◽  
Laser System ◽  
Surface Texturing ◽  
Laser Surface Texturing ◽  
Textured Surface ◽  
Laser Beam Machining ◽  
Content Type ◽  
Excellent Method ◽  
Coated Surface ◽  
Wear Reduction

Purpose – The purpose of this paper is to make people aware of the increase usage of laser system in surface texturing process. Design/methodology/approach – As it is a brief review paper, no particular method was used. Findings – It has been found that most of the surface texturing methods used mas laser beam machining using Nd:YAG laser. It shows that the realization of the textured surface helps to reduce friction and wear which can increase the life span of a material. Research limitations/implications – Most of the texturing is done on the substrates directly, and few research were conducted on coated surface of the material, which coating is also known as an excellent method to improve tribological properties. Originality/value – The paper shows details on the recent development of surface texturing and its contribution to friction and wear reduction.

Friction and Wear of MoS2 Films on Laser Textured Steel Surfaces

2008 ◽  
Author(s):  
Lev Rapoport ◽  
Alexey Moshkovich ◽  
Vladislav Perfilyev ◽  
Igor Lapsker ◽  
Gregory Halperin ◽  
...  
Keyword(s):  
Friction And Wear ◽  
Solid Lubricant ◽  
Surface Texturing ◽  
Laser Surface ◽  
Laser Surface Texturing ◽  
Wear Life ◽  
Lubricant Films ◽  
Mos2 Film ◽  
Steel Surfaces ◽  
Solid Lubricant Films

Incorporation of solid lubricant into micro-reservoirs produced by Laser Surface Texturing (LST) and its effect on the tribological properties of surfaces under dry friction is studied. The density of the dimple reservoirs and the height of the bulges around them are investigated in terms of the longevity of solid lubricant films burnished on LST steel surfaces. Friction tests were performed using a ball-on-flat device. Optimum density (40–50%) of the dimples is revealed. It is shown that the adhesion of solid lubricant in the space between the dimples is provided by mechanical engagement of particles in the rough surface and by smearing the solid lubricant around the dimples. Best results are obtained with the surfaces that were lapped to half of the height of bulges. Long wear life of burnished film on LST steel surfaces is apparently provided by preservation of thin MoS2 film around the bulges and by supply of solid lubricant from the dimples to the surface. The effect of repeated burnishing on wear life of solid lubricant films was studied. Repeating burnishing leading to increasing the density of solid lubricant films increases the wear life.

Surface Textures Fabricated by Laser Surface Texturing and Diamond Cutting - Influence of Texture Depth on Friction and Wear

2018 ◽  
Vol 20 (4) ◽  
pp. 1700995 ◽  
Author(s):  
Jun-Jie Zhang ◽  
Jian-Guo Zhang ◽  
Andreas Rosenkranz ◽  
Xiao-Li Zhao ◽  
Ye-Lin Song
Keyword(s):  
Friction And Wear ◽  
Surface Texturing ◽  
Laser Surface ◽  
Laser Surface Texturing ◽  
Diamond Cutting ◽  
Surface Textures
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