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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Surface Interactions in Materials
Presentation Title Effect of Trace Addition of Graphene in Tribological Properties of Ultrasonic Vibration-assisted Laser Surface Textured Stainless Steel
Author(s) Sourabh Biswas, Linqi Zhang, Seyyed Habib Alavi, Ali Kaan Kalkan, Sandip P. Harimkar
On-Site Speaker (Planned) Sourabh Biswas
Abstract Scope Graphene has attracted significant interest in the past few decades due to its unique properties. In particular, graphene reduces friction and wear loss in structural materials. The present investigation reports the effect of graphene addition in the tribological properties of sliding steel surfaces, with the substrates processed with a novel processing technique involving laser texturing with simultaneous application of ultrasonic vibrations. The increase in vibration amplitude increased the surface roughness that was observed to further decrease coefficient of friction. It was established that just trace addition of graphene monolayer flakes (average thickness of 0.35 nm) resulted in significant decrease in the coefficient of friction. The Raman spectroscopy analysis of the wear scars revealed the presence of graphene validating even trace addition of graphene results in formation of a highly lubricated tribolayer. Raman spectra also indicate defect formation in the graphene during wear due to the severe shear stresses.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

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Analysis of the Interaction of Serum Albumin with Titanium Dioxide Films Using the Extended Derjaguin-Landau-Verwey-Overbeek (X-DLVO) Theory
Deformation of Erythrocytes Adhered to a Solid Surface by a Laminar Flow
Effect of Trace Addition of Graphene in Tribological Properties of Ultrasonic Vibration-assisted Laser Surface Textured Stainless Steel
Effects of Surface Layer Oxides on Spark Plasma Sintering of an Al-Mg Alloy Powder
Formation Behavior of Fe2Al5 Phase in Fe/Molten Al Diffusion Couples
Influence of the Electrolyte on the Surface Free Energy of Anodic TiO2 Coatings
M-27: Effect of Ultrasonic Vibration Assisted Laser Surface Texturing and Melting of Ti-6Al-4V ELI (Biomedical) Alloys on their Microstructural Evolution and Tribological Properties
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Melt Expulsion during Ultrasonic Vibration-assisted Continuous Wave Laser Surface Melting
Multiscale Evaluation of Surface Behavior of Hydroformed AISI 304 Stainless Steel Using ANSYS Multiphysics
Pt Decorating Effect on CNT Surface towards Adsorption of SF6 Decomposed Components
Role of Amorphous Alumina Interlayer over Deposition of ZrN Thin Film on U-Mo Fuel for Nuclear Application
Silane Compound Modification on SiO2 for the Efficient Copper Diffusion Barrier Layer and Adhesion Enhancer of Electroless Copper Plating
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Surface Energies, Work Functions and Wulff Shapes of Elemental Crystals from High-throughput Density Functional Theory
Surface Mediated Diffusive Deformation in Nanometer-sized Metallic Crystals
Surface Roughening by Plastic Deformation in Amorphous and Crystalline Solids
Ultra-fast Boronizing of Low Carbon Steel Compared with Aluminum, and Zinc Coating
Understanding the Effects of Lubricants/Coatings on Friction and Wear during Reciprocatory Sliding Motion at High Contact Pressures
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