Rocktrib presentation 2014
January 11, 2018 | Author: Anonymous | Category: N/A
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RockTrib Nordic Hard Rock Tribology Network The network is formed to support Nordic collaboration Norway, Sweden and Finland have now high focus on use of natural resources, thermal energy, gas and oil drilling The participating groups have a long experience in complementary tribology research This collaboration will strengthen the position of Nordic countries in the EU and globally within the area of mining, drilling and rock excavation with emphasize in hard rock tribology
Participating groups Dalarna
University Luleå University of Technology Norwegian University of Science and Technology SINTEF Tampere University of Technology Tampere Wear Center Uppsala University VTT Technical Research Centre of Finland
Research focus areas
Fundamental understanding of wear mechanisms • Modeling and simulation of wear processes • Development of wear characterization methods • Development and characterization of materials for hard rock applications • Properties of rocks and minerals • Abrasiveness, crushability, strength, … • Tribocorrosion in drilling and rock excavation
Development of wear testing methods • Industrial applications
Multiscale approach to laboratory tests and simulations
Activities Research
• Collaborative projects • Researcher exchange Basic
courses Seminars Planned researcher networks • Nordic Centre of Excellence • Marie Skłodowska-Curie Actions (MSCA) Initial Training Network (ITN)
Dalarna University
Has long experience in both fundamental and applied tribology research Has access to a wide range of: • Mechanical test equipment • Tribological test equipment • Equipment for microscopy and surface analysis
Current projects in the RockTrib area covers; • Wear of cemented carbide in rock drilling • Tribological performance of wear resistant steels in mining and earth moving equipment
Tribo test equipment Micro-
/ Nano-indenter
(CSM, Micro Combi Tester)
Scratch
tester
(CSM, Revetest)
Tribometer (CSM, HT-Tribometer)
Abrasion
tester
(Gatan, Dimple Grinder)
Impact
tester
(BYK-Gardner ISO Tester)
Rheometer (Anton Paar, Physica MCR 301)
Tribo testing and post test characterization for understanding the fundamental surface failure and wear mechanisms of cemented carbide in rock tribology
Microscopy and Surface analysis
Ion beam cutter for sample preparation (Leica EM TIC 3x) Optical surface profilometer (WYKO NT 9100) FEG-SEM (Zeiss Ultra 55) EDS-system (INCA Energy) EBSD-system (Ultrafast Nordlys F400) SEM testing stage (Gatan Microtest 5000W) SAM (PHI 700Xi Auger Nanoprobe) ToF-SIMS (PHI TRIFT II) FTIR (Perkin Elmer Spectrum I) LOM (Leica DMRME) Cross section of worn cemented carbide drill bit button
Tribology research at Luleå University of Technology The Machine Elements research group
5 Professors (Erik Höglund, Braham Prakash, Roland Larsson, Elisabet Kassfeldt, Ichior Minami) 4 Associate professors (Andreas Almqvist, Nazanin Emami, Pär Marklund, Jens Hardell) 1 Associate Senior Lecturer (Kim Berglund) 2 Researchers (Anders Pettersson, Marcus Björling) 2 Post-doctoral researchers 17 Doctoral students 1 Research Engineer (Tore Serrander)
Multi-national! Bangladesh, China, Ethiopia, Germany, India, Iran, Japan, Mexico, Spain, Sweden, USA
Research areas
Lubrication and lubricants • • • •
Boundary, mixed and full film lubrication Base fluid properties Lubricant rheology EALs
Modelling • Contact between real rough surfaces • Lubrication in all regimes • ….
Friction & wear of materials Metals, ceramics, polymers Unlubricated/lubricated High and low temperature
Tribomaterials Engine bearing materials Tool steels Nano-bainitic steels
Tribology of machine components • Gears, bearings, seals, clutches, wheels/rails, hydraulic motor components, and many more ….
Surface modification Self-lubricating coatings Wear resistant coatings
Tribotesting High temperature tribology
Hot forming
Biotribology
Tribolab – established in 2003 Equipment
Surface analysis (3D optical surface profiler and stylus instrument) Rolling/sliding twin-disc tribometer Rotary tribometer (rolling/sliding four ball, thrust washer configurations) Pin on disc tests Bearing tests (rolling and sliding, thrust and journal, oscillating) Reciprocating friction and wear tests (R.T. to 900°C) Viscometers, rheometers, ball-on-bar apparatus Rolling/sliding ball-on-disc tribometer incorporating optical interferometry (WAM) FZG gear test rig High temperature tribometer for hot sheet metal forming simulation High temperature nanoindenter
NTNU & SINTEF: TribologyLab
The TribologyLab is a collaboration between NTNU and SINTEF and integrally linked with the activities of the Gemini Centre "Tribology" The lab is well equipped to fulfill a wide range of research and industrial needs. • • • • • •
Pin on disk Multi-station friction and wear test machine Rubber Wheel Erosion-corrosion Tribocorrosion Surface characterization - Confocal microscopy, SEM, optical microscopy, profilometry, FIB, XRD, XPS, EPMA • Microhardness and nanoindentation
The goals of the TribologyLab
Research on tribocorrosion: sliding-corrosion and erosioncorrosion Research on tribological problems related with dry and lubricated systems Research on modelling tribology Research on in-situ tribology To support the industries in finding solutions related to wear, lubrication, friction, and maintenance To function as a meeting point between the industries and European research centres and universities To educate engineers and scientists in tribological aspects
Tampere Wear Center
Tampere Wear Center (TWC) concentrates on both basic and applied aspects of wear and tribology • Bridges the gap between scientific basic research and applied industrial research and product development • Provides in-depth insight into the mechanisms of wear and thereby facilitate the development of new wear resistant materials and to find solutions to the practical wear problems constantly faced by the industry • Wear and tribology research is conducted in close collaboration with several internationally recognized partners
Recent projects in the RockTrib focus area: • FIMECC BSA, Design beyond present codes: Materials in Mining Industry • Optimization, prediction and design guidelines for improved wear life of novel steels and metallic multimaterials
• FIMECC HYBRIDS, Multifunctional thick coatings and composites • FIMECC DEMAPP, Wear resistant materials and solutions (2009-2014) • Characterization and development of the microstructure, properties and performance of wear resistant materials for selected environments • Modeling and simulation of wear processes
Tampere Wear Center has excellent infrastructure for wear research
Wear testing: Pin-on-disk/Ball-on-disk, Crushing pin-on-disk, Uniaxial crusher, Dual pivoted jaw crusher, Impeller-tumbler, Erosion tester, Highspeed slurry-pot type erosion tester, Cavitation erosion tester, High velocity particle impactor, Ballon-block, Hammer mill, High-speed sliding test rig, Single disc refiner, crusher, Block-on-ring, Rubber wheel abrasion testers, etc. Tribology and machine elements test rigs: Test rigs for journal, thrust, and rolling bearings, FZG, Twindisc test rig, Fretting wear and fatigue test rigs, Vibration Testing, etc. Electron microscopes (UHR FEG-SEM, TEM) Hopkinson Split Bar & mechanical testing Digital image correlation system Thermal spraying Other equipment: http://www.tut.fi/twc/en
Ångström Tribomaterials Group at Uppsala University 40
years of experience in Tribology Applied and fundamental research 56 PhD theses, > 420 journal publications Wide range of tribotest equipment (> 20 rigs) Very well equipped for electron microscopy, surface composition and microstructure analysis, surface topography, etc. More information: www.angstrom.uu.se/tribomaterials/
Ångström Tribomaterials Group
VTT Technical Research Centre of Finland VTT provides applied research of friction, wear and lubrication - design and processing of tribomaterials - characterization properties - evaluation - computer modeling structure processing
performance
PSPP methodology for tribological solutions
VTT Technical Research Centre of Finland VTT provides research and solutions for wear and friction applications: § Internationally top level technical experts with more than 30 years experience in the field of tribology and materials science § The VTT Tribology Laboratory has a broad range of advanced wear and friction simulating devices and test beds. § Wear and friction control and tribomaterial design with computer based modelling and simulation software tools combined with experimental research provides understanding and solution – also tailored directly for customer needs and applications.
VTT Tribology laboratory and facilities The VTT Tribology Laboratory with a broad range of advanced wear and friction simulating devices and test beds for basic and application oriented research and for analyses and characterisation: Model wear and contact simulating tests: Rotational sliding contact (pin-ondisc), Reciprocating linear sliding contact (rec-tester, Piston ring tribometer), Static Friction Tribometer, Twin-disc tribometer • Dry and lubricated tests, elevated temperature tests, controlled laboratory conditions (relative humidity, temperature) Abrasive and erosion wear tests: Rubber wheel test, Micro abrasion, Scratch test, Slurry erosion test Component tests: Journal bearing, Rolling element bearing, Piston ring tribometer Characterization: Nanoindentation, Micro-scratch test, Profilometry (3D and 2D), hardness, Microscopy (SEM/EDS, AFM), Coating thickness (ball cratering test), chemical analyses.
www.tut.fi/rocktrib
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