693.932 PEOPLE
| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Behrens, Bernd-Arno
Leibniz University Hannover
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (119/119 displayed)
- 2024Erweiterung von Verschleißmodellen für moderne Warmumformprozesse
- 2024Prevention of scaling by means of recycled process waste gases
- 2023Contact Temperature Measurements on Hybrid Aluminum–Steel Workpieces in a Cross-Wedge Rolling Process
- 2023Extension of the modified Mohr-Coulomb fracture model by a strain rate and temperature dependence
- 2023Automated design of multi-stage forging sequences for die forging
- 2023Fracture Characterisation and Modelling of AHSS Using Acoustic Emission Analysis for Deep Drawing †
- 2023KNN-Entwicklung in der Halbwarmumformung/ANN development in semi-hot forming
- 2023Investigation of the joining zone formation of impact extruded hybrid components by varied forming sequence and partial cooling
- 2023Design of a forging process to individually examine thermal, mechanical and tribological stress in the tool surface zone
- 2023Development of polygon forming processes for aerospace engineering
- 2023Pressing and Sintering of Titanium Aluminide Powder after Ball Milling in Silane-Doped Atmosphere
- 2023Numerical analyses of the influence of a counter punch during deep drawing
- 2023Failure Modelling of CP800 Using Acoustic Emission Analysis
- 2023Simulation of Hot-Forging Processes with a Temperature−Dependent Viscoplasticity Model
- 2023Improved failure characterisation of high-strength steel using a butterfly test rig with rotation control
- 2023Hot die forging with nitrided and thermally stabilized DLC coated tools
- 2023Modelling failure of joining zones during forming of hybrid parts
- 2022Comparison of the Joining Zone Development of Hybrid Semi-Finished Products after Different Extrusion Processes
- 2022Investigations on Additively Manufactured Stainless Bearingscitations
- 2022Material Characterization and Modeling for Finite Element Simulation of Press Hardening with AISI 420C
- 2022Tailored Forming of hybrid bulk metal components
- 2022Investigation of the material combination 20MnCr5 and X45CrSi9-3 in the Tailored Forming of shafts with bearing seatscitations
- 2022Hardness Assessment Considering Nitrided Layers Based on Tempering Tests for Numerical Wear Prediction for Forging Processes
- 2022Clinching of inductively heated aluminum die casting
- 2022Design, Characterisation and Numerical Investigations of Additively Manufactured H10 Hybrid-Forging Dies with Conformal Cooling Channelscitations
- 2022Non-destructive Evaluation of Workpiece Properties along the Hybrid Bearing Bushing Process Chaincitations
- 2022Characterization of the Interface between Aluminum and Iron in Co-Extruded Semi-Finished Productscitations
- 2022Process-Integrated Lubrication in Sheet Metal Forming
- 2022Functionalisation of the Boundary Layer by Deformation-Induced Martensite on Bearing Rings by means of Bulk Metal Forming Processes
- 2022Functionality Investigations of Dry-Lubricated Molybdenum Trioxide Cylindrical Roller Thrust Bearings
- 2022Functionality Investigations of Dry-Lubricated Molybdenum Trioxide Cylindrical Roller Thrust Bearingscitations
- 2022Investigations on the consolidation of TNM powder by admixing different elemental powders
- 2022Influence of the connection between forming die and heatpipe on the heat transfer
- 2022Material dependent surface and subsurface properties of hybrid componentscitations
- 2022Influence of the Microstructure on Flow Stress and Deformability of Iron-Aluminium Alloys
- 2021Temperature measurement with thin film sensors during warm forging of steelcitations
- 2021Joining zone evaluation of hybrid semi-finished products after backward can extrusion
- 2021Investigation of pressing and ejection performance of friction-reducing powder-compaction tool coatings
- 2021Further development of wear calculation and wear reduction in cold forging processes
- 2021Investigation on the microstructure of ecap-processed iron-aluminium alloys
- 2021Fringe Projection Profilometry in Production Metrology: A Multi-Scale Comparison in Sheet-Bulk Metal Formingcitations
- 2021Numerical evaluation of forging process designs of a hybrid co-extruded demonstrator consisting of steel and aluminium.
- 2021Influence of degree of deformation on welding pore reduction in high-carbon steelscitations
- 2021Process chain for the manufacture of hybrid bearing bushingscitations
- 2021Simulation-based digital twin for the manufacturing of thermoplastic composites
- 2021Challenges in the Forging of Steel-Aluminum Bearing Bushings
- 2021Numerical Modelling of Bond Strength in Overmoulded Thermoplastic Composites
- 2021Sheet bulk metal formingcitations
- 2021Contact Geometry Modification of Friction-Welded Semi-Finished Products to Improve the Bonding of Hybrid Componentscitations
- 2021Finite Element and Finite Volume Modelling of Friction Drilling HSLA Steel under Experimental Comparison
- 2021Investigation on temperature control in the SPS process with titanium aluminides
- 2021Numerical process design for targeted residual stress adjustment in hot bulk formed components taking into account macro- and microscale ; Numerische Prozessauslegung zur gezielten Eigenspannungseinstellung in warmmassivumgeformten Bauteilen unter Berücksichtigung von Makro- und Mikroskala
- 2021Investigations on Residual Stresses within Hot-Bulk-Formed Components Using Process Simulation and the Contour Method
- 2021Transfer of ausforming parameters to scaled forging tools
- 2021Adjusting Mechanical Properties of Forging Dies Produced by Ausforming
- 2020Production, Bonding and Application of Metal Matrix Composite Hot Forging Tool Components
- 2020Numerical and experimental investigation of GMT compression molding and fiber displacement of UD-tape inserts
- 2020Extension of the Conventional Press Hardening Process by Local Material Influence to Improve Joining Ability
- 2020Casting manufacturing of cylindrical preforms made of low alloy steelscitations
- 2020Characterization and modeling of intermetallic phase formation during the joining of aluminum and steel in analogy to co-extrusion
- 2020Characterization and modeling of intermetallic phase formation during the joining of aluminum and steel in analogy to co-extrusioncitations
- 2020Enhancement of the interface of friction welded steel-aluminium joints
- 2020Microstructural evolution and mechanical properties of hybrid bevel gears manufactured by tailored formingcitations
- 2020Selective thermally oxidised tool surfaces for dry deep drawing
- 2020Numerical investigations regarding a novel process chain for the production of a hybrid bearing bushingcitations
- 2020Experimental investigations on the interactions between the process parameters of hot forming and the resulting residual stresses in the component
- 2020Fracture modelling of magnesium sheet alloy AZ31 for deep drawing processes at elevated temperatures
- 2020Lateral angular co-extrusioncitations
- 2020Integrated computational product and production engineering for multi-material lightweight structurescitations
- 2020Tailoring Soft Local Zones in Quenched Blanks of the Steel 22MnB5 by Partial Pre-cooling with Compressed Aircitations
- 2020Ultrasonic Evaluation of Tailored Forming Componentscitations
- 2020Investigation of the influence of an oscillation superposition on the wear behaviour in an industrial-like process
- 2020Investigations of the influence of a superimposed oscillation on the fatigue strength
- 2020Investigations on tailored forming of aisi 52100 as rolling bearing racewaycitations
- 2020Lateral angular co-extrusion: Geometrical and mechanical properties of compound profiles
- 2020Tailored forming of hybrid bevel gears with integrated heat treatmentcitations
- 2020Characterization of molybdenum based coatings on 100Cr6 bearing steel surfacescitations
- 2019Numerical and Experimental Investigation of Thermoplastics in Multi-Axis Forming Processes
- 2019Investigation of the prediction accuracy of a finite element analysis model for the coating thickness in cross-wedge rolled coaxial hybrid parts
- 2019Micro- and nanotribological characterization of molybdenum oxide based coatings on 100CR6 bearing steel surfacescitations
- 2019Computational Manufacturing for Multi-Material Lightweight Parts
- 2019Manufacturing and evaluation of multi-material axial-bearing washers by tailored forming
- 2019Numerical modeling of the development of intermetallic layers between aluminium and steel during co-extrusioncitations
- 2019Experimental and numerical characterization method for forming behavior of thermoplastics reinforced with woven fabrics
- 2019Approach for modelling the Taylor-Quinney coefficient of high strength steels
- 2019Stress-state dependent fracture characterisation and modelling of an AZ31 magnesium sheet alloy at elevated temperatures
- 20194. Workshop Blechmassivumformung
- 2019Heated gripper concept to optimize heat transfer of fiber-reinforced-thermoplastics in automated thermoforming processes
- 2019Experimental and numerical investigations of the development of residual stresses in thermo-mechanically processed Cr-alloyed steel 1.3505
- 2018Wear investigation of selective α-Fe2O3 oxide layers generated on surfaces for dry sheet metal forming
- 2018Formability of 7000 aluminum alloys in warm and hot forming condition
- 2018Influence of process parameters on the hot stamping of carbon-martensitic chromium steel sheets
- 2018Experimental-numerical approach to efficient TTT-generation for simulation of phase transformations in thermomechanical forming processes
- 2018Investigation of the composite strength of hybrid steel-steel semi-finished products manufactured by laser beam welding and friction welding
- 2018Selective oxidation of tool steel surfaces under a protective gas atmosphere using inductive heat treatment
- 2018Manufacturing of high-performance Bi-metal bevel gears by combined deposition welding and forgingcitations
- 2018Sensitivity analysis of oxide scale influence on general carbon steels during hot forging
- 2018Tribological study on tailored-formed axial bearing washerscitations
- 2018Forming and oxidation behavior during forging with consideration of carbon content of steel
- 2017Experimental Characterization and Material Modelling of an AZ31 Magnesium Sheet Alloy at Elevated Temperatures under Consideration of the Tension-Compression Asymmetry
- 2017Mechanical properties of co-extruded aluminium-steel compounds
- 2017Numerical Investigation of the Oxide Scale Deformation Behaviour with Consideration of Carbon Content during Hot Forging
- 2017Influences on the formability and mechanical properties of 7000-aluminum alloys in hot and warm formingcitations
- 2017Finite element analysis regarding the forming behaviour of symmetric hybrid structures consisting of two sheet metal outer layers and a thermoplastic core
- 2017Numerical and experimental investigations of the anisotropic transformation strains during martensitic transformation in a low alloy Cr-Mo steel 42CrMo4
- 2017Numerical analysis of a deep drawing process with additional force transmission for an extension of the process limits
- 2017Forming and Joining of Carbon-Fiber-Reinforced Thermoplastics and Sheet Metal in One Step
- 2017On modelling of shear fracture in deep drawing of a high-strength dual-phase sheet steel
- 2017Wear Behavior of MoS2 Lubricant Layers during Sheet Metal Forming
- 2016Evaluation of common tests for fracture characterisation of advanced high-strength sheet steels with the help of the FEA
- 2016Advanced Wear Simulation for Bulk Metal Forming Processes
- 2016Experimental-numerical evaluation of a new butterfly specimen for fracture characterisation of AHSS in a wide range of stress states
- 2016Numerical Investigation for the Design of a Hot Forging Die with Integrated Cooling Channels
- 2015FEA-based optimisation of a clinching process with an open multiple-part die aimed at damage minimisation in CR240BH-AlSi10MnMg joints
- 2014Material Modelling of Short Fiber Reinforced Thermoplastic for the FEA of a Clinching Test
- 2014Numerical and experimental determination of cut-edge after blanking of thin steel sheet of DP1000 within use of stress based damage model
- 2014Development of a Powder Metallurgical Self Cooling Forging Die with Inner Cavities
- 2014Forming sheets of metal and fibre-reinforced plastics to hybrid parts in one deep drawing process
- 2014Properties and application of high-manganese TWIP-steels in sheet metal forming
Places of action
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article
Tribological study on tailored-formed axial bearing washers
Abstract
To enhance tribological contacts under cyclic load, high performance materials are required. Utilizing the same high-strength material for the whole machine element is not resource-efficient. In order to manufacture machine elements with extended functionality and specific properties, a combination of different materials can be used in a single component for a more efficient material utilization. By combining different joining techniques with subsequent forming, multi-material or tailored components can be manufactured. To reduce material costs and energy consumption during the component service life, a less expensive lightweight material should be used for regions remote from the highly stressed zones. The scope is not only to obtain the desired shape and dimensions for the finishing process, but also to improve properties like the bond strength between different materials and the microscopic structure of the material. The multi-material approach can be applied to all components requiring different properties in separate component regions such as shafts, bearings or bushes. The current study exemplarily presents the process route for the production of an axial bearing washer by means of tailored forming technology. The bearing washers were chosen to fit axial roller bearings (type 81212). The manufacturing process starts with the laser wire cladding of a hard facing made of martensitic chromium silicon steel (1.4718) on a base substrate of S235 (1.0038) steel. Subsequently, the bearing washers are forged. After finishing, the surfaces of the bearing washers were tested in thrust bearings on an FE-8 test rig. The operational test of the bearings consists in a run-in phase at 250 rpm. A bearing failure is determined by a condition monitoring system. Before and after this, the bearings were inspected by optical and ultrasonic microscopy in order to examine whether the bond of the coat is resistant against rolling contact fatigue. The feasibility of the approach could be proven by endurance test. The joining zone ...