CONFERENCE PROGRAMME

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1 TURKEYTRIB 18 2 nd INTERNATIONAL CONFERENCE ON TRIBOLOGY April 2018 Elite World Prestige Hotel TAKSIM ISTANBUL TURKEY CONFERENCE PROGRAMME April 18-20, 2018 Istanbul TURKEY TURKEYTRIB'18 is organized by Ecovario Technology Company, Istanbul TURKEY

2 SPONSORS:

3 Programme 08:00-09:20 Registration (Plenary and Keynote speakers have 25 minutes, 5mns for questions. Technical presentations will take 10 mns of speech time and 5 mns of questions ). WEDNESDAY, 18 April 2018, 09:30-10:30, Plenary Speaker Session (PLE) : Conference Chairman: Prof. Dr. Hakan Kaleli 09: OPENING: Conference Chairman: Prof. Dr. Hakan Kaleli 09:30-10:00 Prof. Dr. Dae-Eun Kim-The Concept of Surface Compliance Control for Wear Reduction 10:00-10:30 Prof. Dr. Valentin Popov-Adhesive Wear and Particle Emission: Old Concepts and New Advancements WEDNESDAY, 18 April 2018, 10:30-12:30, Keynote Speaker Session (PLE) Conference Chairman: Prof. Dr. Hakan Kaleli 10:30-11:00 Prof. Dr. Adrian Rienacker-Tribology in Automotive Applications 11:00-11:30 Prof. Jeng-Haur Horng-Stribeck Curve In Three-Body Contact Condition 11:30-12:00 Dipl.-Ing. Rudolf Zechel-Kluber Lubrication 12:00-12:30 Matthias Pfadt, M. Sc.-Kluber Lubrication 12:30-12:35 GROUP PHOTO 12:35-13:30 LUNCH WEDNESDAY, 18 April 2018, 13:30-16:00 Lubrication and Lubricants, Session Chairman: Prof. Dr. Lorena DELENAU 13:30-13:45 Lorena Delenau-Texture Investigation of Scars Resulted from Lubrication with Soybean Oil Additivated with Nanographite 13:45-14:00 Oday I. Abdullah-The Elastohydrodynamic lubrication of Cam and Chamfered Flat Faced Follower 14:00-14:15 Ilya Kudish-Stressed State of Functionally Graded Elastic Solids Involved in Heavily Loaded Lubricated Contacts 14:15-14:30 Nurin Wahidah Mohd Zulkifli-Dispersion of Graphene in Various Bio-Based Lubricant and Its Effect on Tribological Properties 14:30-14:45 Lorena Delenau-Tribological Behavior of Soybean Oil with Nano Carbon as Additive 14:45-15:00 Tuğrul Soyusinmez-Tribological Properties and Machining Performance of Cutting Fluids with Additives Effects 15:00-15:15 Boucherit Hamid-A study of the concentration effects of solid pollution of lubricating oils on the stability of compliant Journal Bearings 15:15-15:30 Shuhaib Mushtaq-Friction and Wear Behaviour of Fe-Cu-Sn / MoS2 Self-Lubricating Composite 15:30-15:45 Binnur Sağbaş-Tribological Performance of PEEK with Green Lubricant Enhanced by Nano Hexagonal Boron Nitride Powder 15:45-16:00 Ali Usman-Numerical Investigation of Adiabatic Thermo-Tribological Performance of Piston Skirt Liner Lubrication at High Engine Speeds 16:00-16:30 Coffee Break / Poster Session 1

4 WEDNESDAY, 18 April 2018, 16:30-19:00 Coating Tribology; Session Chairman Prof. Dr. Bahattin İŞCAN ) 16:30-16:45 Bahattin İşcan-Thermal Stress Analysis and Mathematical Applications in Engine Piston with Ceramic Coating 16:45-17:00 Bahattin İşcan-Engine operation and thermal stress in a ceramic coated LHR diesel engine 17:00-17:15 Mustafa Safa Yılmaz-Effect of Electrical Parameters on Tribology of Micro Arc Oxidation (MAO) Coatings Formed on Aluminium 17:15-17:30 Radoslav Valov-Tribological Behavior of Chromium Coating, Modified with Diamond Nanoparticles, on Aluminum Substrate 17:30-17:45 Eray Abakay-Friction and Wear Properties of Nb-V-C-N Coatings Realized by Thermo-Reactive Deposition Technique 17:45-18:00 Sepideh Pourhashem-Investigating the New Aspects of Graphene Quantum Dots Derived from Carbon Black as Anti-Corrosion Nanofiller in Epoxy Coatings 18:00-18:15 Zeynep Burcu Acunaş Karagöz-Review of Tribological Behavior of Graphene Coatings on Piston Rings in Engines 18:15-18:30 Salih Akbar Zadeh-Numerical and experimental study of the wear behavior of nano TiN coating on steel substrate 18:30-18:45 Binnur Sağbaş-Metrological Characterisation of Metallic Implant Surfaces Coated by Electron Beam Deposition of Bioglass 18:45-19:00 Mun Hee Lee-Experimental Study of Y-jet Nozzle in Oil Burner Development WEDNESDAY, 18 April 2018, 13:30-16:00 Nanotribology; Session Chairman Asst. Prof. Dr. Amir MOTALLEBZADEH (Room B-Nilüfer, -3rd floor) 13:30-13:45 Amir Motallebzadeh-Nanotribological Characteristics of Laser Surface Melted Stellite 12+Mo Deposits 13:45-14:00 Ramazan Karslıoğlu-Tribological Behaviour of Ni-Co/Al2O3 Nanocomposite Produced by Different Current Type 14:00-14:15 Tanveer Iqbal-Nanoindentation Response of Fiber Reinforced PEEK Composites 14:15-14:30 Fellah Mamoun-Tribological behaviour of Nanostructured β-ti alloys as a function of Mo at.% content 14:30-14:45 Lotfi Faghi-Synthesis and Characterization of Nanocristalline FE53%SI28%B19% Alloy Prepared by High Energy Ball Mill 14:45-15:00 Mahsan AfzaliTabar-Comparsion of Nanoporous graphene/silica with Activated carbon/silica nanohybrids Pickering emulsions for Chemical Enhanced Oil Recovery (C-EOR) 15:00-15:15 Barış Engin-A Comparative Study on Tribological Properties of The Natural Rubber/Multi-Walled Carbon Nanotube /Graphite and Natural Rubber/Carbon Black Nanocomposites 15:15-15:30 Zeynep Burcu Acunaş Karagöz-Study of Tribological behavior of BN and DLC nano coatings on Piston Rings 15:30-15:45 Muharrem Pul-Effect of reinforcement ratios on mechanical properties and wear behavior of B4C + SiC reinforced AA 7075 composites 15:45-16:00 Azma Putra-Wear Performance of Diamond-like Carbon Coated Helical Gear Without Interlayer Under Dynamic Loading 16:00-16:30 Coffee Break / Poster Session 2

5 WEDNESDAY, 18 April 2018, 16:30-19:00 Friction and Wear; Session Chairman Prof. Dr. Gençağa PÜRÇEK (Room B-Nilüfer, -3rd floor) 16:30-16:45 Gençağa Pürçek-Effect of Resin Content on Friction and Wear Behaviour of Non-Asbestos Composite Friction Material Used in Brake Pad 16:45-17:00 Oday I. Abdullah-Thermal Stresses Analysis of a Dry Friction Clutches 17:00-17:15 Oday I. Abdullah-Analytical Simulation of Frictional Heat Generated in the Friction Clutches Using MATLAB GUI 17:15-17:30 H. Tarik Baytekin-How electrostatic tribocharging does effect friction coefficient? 17:30-17:45 Muhammad Khafidh-Friction and Wear Mechanism of Short-cut Aramid Fiber Reinforced Elastomers 17:45-18:00 Salih Akbar Zadeh- Experimental and Numerical Prediction of Friction Coefficient in Line and Point Contact in the Presence of Lubricant 18:00-18:15 Kareem Abd Rbo-Effect of Surface Texturing on the Friction of Rubber in Lubricated Sliding Contact. Application in Medical Syringes 18:15-18:30 Harun Yanar-A New Multi-Functional Tribometer: Application of Block-on-Ring Test Module 18:30-18:45 Reza Tikani-Vibration Analysis of a Flexible Rotor Supported by Squeeze Film Dampers Using Finite Element Method 18:45-19:00 Abdullah Sert-Tribological And Finite Element Study on The Elastic Behaviour of A Steel Sphere Against A Deformable Flat Material THURSDAY, 19 April 2018, 09:00-09:30 Conference Chairman Prof. Dr. Hakan KALELİ Keynote Speaker Session 09:00-09:30 MSc, Mech. Eng. Ahmet GÜVEN-Shell Co-TURKEY-Mobile Hydraulics THURSDAY, 19 April 2018, 09:30-11:00 TriboCorrosion, Roughness and Wear; Session Chairman Prof. Dr. Beliardouh NASSEREDDINE 09:30-09:45 Ali Ghanbarzadeh-A Parametric Study of the Newly-Proposed Asperity-Scale Tribocorrosion Model 09:45-10:00 Zulfiqar Ahmad Khan-Design and Development of Tribo-corrosion Condition Monitoring Technique 10:00-10:15 Mayank Tiwari-Effect of Sampling Interval, Correlation Length and Surface Roughness On Topography and Contact Parameters 10:15-10:30 Ali Çulha-Effect of Shot Peening Parameters on Surface Roughness of Inconel :30-10:45 Ali Çulha-Erosive Wear Behaviour of Shot Peened Inconel :45-11:00 Qiang Li-Wear Analysis of Multiphasic Heterogeneous Composites 11:00-11:30 Coffee Break / Poster Session 3

6 THURSDAY, 19 April 2018, 11:30-13:30 Composites, Material, Bearings; Session Chairman Asst. Prof. Dr. Zeynep PARLAR 11:30-11:45 İsmail Kaya-The Investigation of Tribological Behavior of Carbon-Fiber Reinforced Composite Materials 11:45-12:00 Khelifa Noureddine-Fatigue behavior and damage of composite laminates (3-point bending) 12:00-12:15 Ömer Özdemir-Thermo-Elastohydrodynamic Simulation of the Piston-Cylinder Contact in High-Pressure Pumps at 3000 bar 12:15-12:30 Atae Jafari-Tabrizi-Interferometric Measurements of Shaft Position in a Dynamically Loaded Journal Bearing 12:30-12:45 Ali Usman-Numerical Study of Surface Modification-based Improved Tribological Performance of Plain Bearing 12:45-13:00 Mohamed Ahmed Abdelkawy Hammad-K-M reactor, new technology for core shell materials 13:00-13:15 Ömer Barışkan Yasan-Investigation of Mechanical Properties and Tribological Performance of Unique Material Produced by Sequencing Copper wires and Combining with Hot Diffusion 13:15-13:30 Ömer Barışkan Yasan-Investigation of Micro Mechanical and Microstructural Behavior of Copper / Graphite Composite Wires During Rolling Process 13:30-14:30 LUNCH THURSDAY, 19 April 2018, 09:30-11:00 Fundamentals of Friction and Wear-Contact Mechanics-Tribotesting; Session Chairman Prof. Dr. Christian Busch, (Room B-Nilüfer, -3rd floor) 09:30-09:45 Prof. Dr. Christian Busch-Mobile into old age 09:45-10:00 Aid Abdelkrim-Fatigue life prediction under blocks loading based on a new damage model for spheroïdal graphite cast-iron loaded by torsion and plane bending 10:00-10:15 Ali Abdul Munim Alhattab-Effect of Electron Beam Surface Melting on Microstructure and Wear Behaviour of PTA Deposited Stellite 12 Hardfacing 10:15-10:30 Onur Tazegül-Influence of Thermal Oxidation Time on Tribology Behaviour of Ti6Al4V Alloy 10:30-10:45 Abdullah Göçer-The Effects Of B4c Ceramic Sizes On Wear Behavior Of Al 6063metal Matrix Composites 10:45-11:00 Maruti Patil-Two-stage Helical Gearbox Multi-Objective Optimization with Inclusion of Tribological Constraints 11:00-11:30 Coffee Break THURSDAY, 19 April 2018, 11:30-13:30 Fundamentals of Friction and Wear- Contact Mechanics- Tribotesting Session Chairman Prof. Dr. BOUZIDI NEDJIMA, (Room B-Nilüfer, -3rd floor) 11:30-11:45 Bouzidi Nedjima-Porous ceramics at high temperatures as filters: microstructure and mechanical properties 11:45-12:00 Gülşah Akıncıoğlu-Investigation of friction wear performance of boron oxide added brake pads sample 12:00-12:15 Gülşah Akıncıoğlu-Evaluation of tribological properties of eco-friendly brake pad added hazelnut shell dust 12:15-12:30 Okan Gül-Effects of Basalt Fiber and Boron Oxide Hybrid Addition on Adhesive Wear and Thermomechanical Properties of TPE Matrix Composites 12:30-12:45 Okan Gül-Zeolite and Carbon Fiber Reinforced PPS Matrix Hybrid Composites: Tribological and Thermomechanical Properties 12:45-13:00 Okan Gül-Investigation the Tribological and Thermomechanical Properties of Bentonite and Basalt Fiber Reinforced PPS Matrix Composites 13:00-13:15 Demchi Farouk-Polyvinyl alcohol, a new way for efficient redox coating process from saponification of polyvinyl acetate 13:15-13:30 Ahmet Yavuz-Importance Of Solid Particle Erosion In Industrial Areas 13:30-14:30 LUNCH

7 THURSDAY, 19 April 2018, 14:30-16:15 Lubricants, Session Chairman Assoc. Prof. Dr. Mohd Fadzli Bin Abdollah (Room B-Nilüfer, -3rd floor) 14:30-14:45 Mohd Fadzli Bin Abdollah-Physical properties of biodiesel from vegetable oil 14:45-15:00 Noreffendy Tamaldin-Growth of graphene from solid waste products 15:00-15:15 Sergey V. Fedorov-Energy and Entropy Triboanalysis of Natural Machine 15:15-15:30 Gökçe Mehmet AY-A Treatise On Using Hexagonal Boron Nitride For Space Lubrication Applications 15:30-15:45 Gökçe Mehmet AY-Ultrasonic Assisted Machining Methods: A Review From :45-16:00 Gökçe Mehmet AY-Investigation The Effects Of Ultrasonic Assisted Turning On Surface Properties Of Ti6al4v Alloy 16:00-16:15 Salih Akbar Zadeh-Two-body and Three-body Wear of Nickel-Titanium Shape Memory Alloy 16:15-16:45 Coffee Break/ Poster Session 4 THURSDAY, 19 April 2018, 16: 45-18:30 Surface, Coating, Wear, Tools; Session Chairman Assist. Prof. Senai YALÇINKAYA (Room B-Nilüfer, -3rd floor) 16:45-17:00 Senai Yalçınkaya-Plane Surface Grinding Implementation of Experimental Design and Optimal Solutions with the Taguchi Method 17:00-17:15 Senai Yalçınkaya-A research for Wear Behaviours of Coated Cutting Tools: A Mini Review 17:15-17:30 Faiz Muhaffel-Structure and Tribological Properties of Fluidized Bed Nitrided Surfaces on H13 Hot Work Tool SteelSTAMPING DIE WEAR INVESTIGATION WITH DIFFERENT HARD-COATINGS 17:30-17:45 Faiz Muhaffel-Synthesis of an Antibacterial and Wear-resistant Multilayer Coating on Biomedical Titanium-based alloys 17:45-18:00 Hua Su-Performance and Parameter Sensitivity Analysis of Finger Seal with Radial Clearance: Based on Computational Fluid Dynamics Approach 18:00-18:15 Badr Azzam-Performance Evaluation Of Wind Turbine Blades Coated With Composite Materials 18:15-18:30 Abdullah Sert-Investigation on Tribological Behavior of Laser Surface Treated Ti6Al4V Alloy April 19, 2018 Thursday-Elite World Hotel Prestige 19:30-23:30 GALA DINNER April 20, 2018 Friday, :00 Fundamentals of Friction and Wear- Contact Mechanics- Tribotesting Session Chairman- Prof. Dr. Harun MİNDİVAN, (Room B-Nilüfer, -3rd floor) 09:30-09:45 Harun Mindivan-Tribocorrosion Behavior of Electroless Ni-P/Ni-B Duplex Coating on AA7075 Aluminum Alloy 09:45-10:00 Selman Demirtaş-Characterization of the Friction and Wear Effects of Graphene Nanoparticles in Oil on the Ring/Cylinder Liner of Internal Combustion Engine 10:00-10:15 Murat Kıyak-Applications of Cutting Fluids on Machining 10:15-10:30 Hani Abdallah AL-Rawashdeh-Comparison between Selection Methods of Genetic Algorithm used in Scheduling Problems (FSP) 10:30-10:45 Faiz Redza Ramli-Warping deformation by starch adhesion in open source 3D printer 10:45-11:15 Coffee Break 11:15-11:30 Kebabsa Tarek-Experimental study of a turbo-alternator in industrial environment using cyclostationarity analyses 11:30-11:45 Nae Ion-The Reduction Factor Of Axial Forces At The Assemblies Through Elastic Tightening With Intermediate Elements 11:45-12:00 Amrut Shrikant Mulay-A decision making framework for overall performance of SPIF using combined Multi-attribute decision making method 12:00-12:15 Selman Demirtaş-Tribotest of Engine Piston Ring/Cylinder Liner Pairs With Different Nanoparticles Added into Engine Oil END OF CONFERENCE

8 POSTER SESSIONS April 18, 2018 Elite World Prestige Hotel, Taksim-Istanbul-TURKEY Poster Session 1 16:00 16:30 Benaissa Sihem - The Effect of Thermomechanical Treatments on the Relaxation in the Poly (vinylidene fluoride) Brahim Bourouga - Numerical Study of the Behavior of the Contact Parameters at a Solid-Solid Planar Interface under Increasing Loading Haddour Lillia - Wear and Dielectric Behavior Of Polycristalline Alumina Keraghel Fatiha - Study Of The Wear Of A Sintered Bronze Keraghel Fatiha - Wear Resistance Of a Bronze Cu10% Sn Keraghel Fatiha - Tribological Study Of Sintered Cu-Sn Powders Mamoun Fellah - Friction and Wear Behaviour Of Milled Titanium Alloys Ti-6Al-7Nb as Function of Milling Time Mamoun Fellah - Structural and Tribological Proprieties of Calcined Nano-Ceramic α Alumina (α-al2o3) for Biomedical Applications Amine Hadj Taieb - Atomic Force Microscopy of Polyester and Polypropylene Fibers: Study of Friction and Roughness Hammadi Fouzia - Mechanical and Tribological Properties of Ti -6Al-xFe Alloy Linda Aissani - Effect of Zr on the Properties Of Chromium Nitride Thin Films Produced by R.F Magnetron Sputtering System Hezil Nawel - Effect of Al Content on Tribological Behavior of Cr-Al-N Coating System M. Bendoukha - Anisotropic Response of Holzapfel Constitutive Model for the Lumbar Spine Considering Degeneration-Related changes Constantin Georgescu - Influence of the Additive Nature in Soybean Oil on Rheological Behavior Anfal Kaddour - Microstructural and Structural Study of The Ball-milled Ni80Cr20 Alloy April 18, 2018 Elite World Prestige Hotel, Taksim-Istanbul-TURKEY Poster Session 2 16:00 16:30 Fatiha Benghanem - Protection of XC48 Steel Corrosion with New Schiff Base in 0.5 M H2SO4 Solution Fatiha Benghanem - Investigation on the Inhibition Behavior of a 2,3-bis(3-hydroxy benzylidène-amine) Pyridine for Steel in Solution Simulating Water of Pores in Absence Khennafi-Benghalem Nafissa - Friction and Transfer Matter Between HSS Steel and Polystyrene Crystal S. Marouani - Electrochemical and Quantum Chemical Studies of Synthesized Benzimidazole Derivative as Eco-friendly Corrosion Inhibitor for XC52 Steel S. Marouani - Electrochemical and DFT Study of the Inhibition of the Corrosion of Concrete Reinforcement with a New Schiff Base in Presence of 0.5 M NaCl Rıdvan Gecü - Tribological Characterization of 304 Stainless Steel Reinforced AA7075 Aluminium Matrix Composite Produced by Melt Infiltration Casting Nassereddine BELIARDOUH - Tribological Performances of 13Cr5Ni2Mo Super-Martensitic Stainless Steel Fatiha Siahmed - Elaboration, Characterization of Biocomposite Material: Luffa Cylindrica/Epoxy Ould Chikh El Bahri - The Weldability Study of the Polymeric Materials by Friction Stir Welding Meddah Hadj Miloud - Experiments and Numerical Analysis Study of the Polymeric Materials Weldability by Friction Stir Spot Welding (FSSW) Septi Boucherit - Statistical Analysis of Flank Wears in Hard Turning Using RSM, ANN and Desirability Function Ahmed Belbah - Friction and Wear Behaviour of WC-Co Iulia Graur - Effect of Composition on Friction Coefficient of Tryptophan Composites Yong-Suk Kim - Tribo-Characteristics of DLC Coated H13 Tool Steel Sliding Against AZ31 Mg Alloy with Mg(OH)2 Layer Fatima Zohra Benlahreche - Effect of Thermochemical Treatment En Corrosion Behaviour of C22 Carbon Steel

9 April 19, 2018 Elite World Prestige Hotel, Taksim-Istanbul-TURKEY Poster Session 3 11:00 11:30 Uğur Günay - Erodent Size Effect on the Erosion of Basalt Base Glass-Ceramics Nouicer El Amine - Comparative Study of Nitriding Treatment on the Physico-Chemicals Properties of Two Materials Khalissa Ariane - Crystallization Study of LMAS Glass-Ceramic by Differential Thermal Analysis Abdelaziz Gahmousse - Elaboration and Characterization of Glass Emissivity with Different Iron (III) Oxide Concentrations Doğuhan Ufuk Işık - On the Evaluation of Friction Coefficients Using Grids of Ring Compression Test Specimen Belbali Assia - Effect of Temperature and Time of Sintering on the Microstructural Characteristics of Chamot - Carbon Mixtures Uğur Barut - Effect of Current Type on Tribological Properties of Nickel Boron Coatings Produced by Electrodeposition Uğur Barut - Effect of Nano SiC Amounts on Tribological Properties of Ni-B-Co Based Nano Composite Coatings Produced by Electrodeposition Uğur Barut - Effect of Different Current Type on Tribological Properties of Ni-B-Co/SiC Nano Composite Coatings Produced by Electrodeposition Ramazan Karskıoğlu - Effect of Current Density on Tribological Properties of Ni-B-Co/SiC Nano Composite Coatings Produced by Electrodepositions Ayadi Abdelwahhab - Repairing of Eroded Glass Surface by Thermochemicals Treatments, and Sol Gel Organic and Hybrid Silica Coatings Sehab Nadjette - Effect of Mechanical Activation on the Synthesis of Ti2AlC MAX Phase by ETE Hossem Taallah - Preparation and Characterization of Low-Emissivity WO3 Glass-Ceramic Glazing Sehab Fahima - Numerical and Experimental Study of Crack Propagation in a Stainless Steel Pipe Saida Bouyegh - Mechanical and Corrosion Studies on Magnesium alloy as Biomaterials April 19, 2018 Elite World Prestige Hotel, Taksim-Istanbul-TURKEY Poster Session 4 16:15 16:45 Eray Abakay - Tribological Properties of Molybdenum Silicide Coatings Deposited by Pack Method Eray Abakay - Wear Characteristics of Fe-Nb-V-B Based Hard Faced Steel Yalçın Erdoğan - Damage Evaluation of CFRP/CFRP Adhesive Joints Under Different Laser Fluences with CO2 and UV Laser Bülent Aktaş - Influence of Er2O3 Addition on Tribological Properties of Zirconia Norelhouda Lameche - Laser Damage of ZnO Thin Films A. Chandrashekhar - Prediction of Flash Temperature by Considering Roughness of the Worn Surface Under Dry Sliding Wear Nazlı Acar - Tribological and Rheological Characterization of New Completely Biogenic Lubricating Greases Melia Hamici - Effect of the Synthesis Method and Substrate on Optical and Structural Properties of Electrochemically Deposited ZnO Thin Films Lakhdar Boulanouar - Experimental Investigation on the Machinability of Hardened and Unhardened C18 Steel in Drilling M. Benghersallah - Statitical Analysis of Surface Roughness and Tool Life Using (RSM) in Face Milling of AISI Bearing Steel with Multilayer Coating Cutting Tool Louafi Snani - Study of The Nozzle Plugging Phenomenon Nuray Beköz Üllen - Investigation of Cutting Techniques of Hardox Steels Nuray Beköz Üllen - Investigation of The Wear Resistance of Hardox Steel Plates Khadoudj Guessoum - Micro-arc Oxidation of Zinc in KOH Media at High Voltage Djalila Boudemagh - Synthesis and Physicochemical Characterization of Hydroxyapatite Nanoparticles H. Tarik Baytekin - Dependence of Tribocharging on Degradation of Lubricants END OF CONFERENCE