Material Forming ESAFORM 2012

Friction Based Solid State Welding ProcessesDetermination of Forming Limit Strains Using Marciniak-Kuczynski Tests and Automated Digital Image Correlation ProceduresAnalysis of the Anisotropic Behavior and of the Formability Aptitude for an AA2024 Alloy Using the Channel Die Compression Test and the Simple Tension TestOn the Improvement of Formability and the Prediction of Forming Limit Diagrams at Fracture by Means of Constitutive ModellingPlastic Instability Based on Bifurcation Analysis: Effect of Hardening and Gurson Damage Parameters on Strain LocalizationModelling of Strain Hardening Behaviour of Sheet Metals for Stochastic SimulationsIdentification of Process-Based Limit Stress States Applying a Stretch-Bending-TestDetermination of Flow Curves under Equibiaxial Stress ConditionsBiaxial Tensile Test of High Strength Steel Sheet for Large Plastic Strain RangeUsing Cross Stamping to Test Zinc Sheets FormabilityInfluence of Different Pre-Stretching Modes on the Forming Limit Diagram of AA6014Effect of the Constitutive Law on the Accuracy of Prediction of the Forming Limit CurvesEvolution of Roughness on Straining of Interstitial Free ? IF Steel SheetAnisotropic Plastic Behavior of TRIP 780 Steel Sheet in Hole Expansion TestStudy of True Stress-Strain Curve after Necking for Application in Ductile Fracture Criteria in Tube Hydroforming of Aerospace MaterialFailure Prediction in Sheet Metal Forming Depending in Pre-Straining and Bending SuperpositionA Procedure for the Evaluation of Flow Stress of Sheet Metal by Hydraulic Bulge Test Using Elliptical DiesMethodology to Produce Locally Heat-Treated EN AW-5182 Aluminum Alloy Sheet Metal PartsLaser Beam Structured Sheets ? A New Potential for Sheet Metal FormingElasto-Plastic Models with Continuously Distributed Dislocations and DisclinationsFailure Evaluation of Spot Welds for Advanced High Strength Steel SheetsProcessing of New Solar Absorbers in Steel Design Based on Partially Cold Roll Bonded Hybrid Semi-Finished PartsIncrease the Deformability of NiCo Single Crystals Using of Electrical Pulse-Like CurrentsEcoForge: Resource-Efficient Process Chains for High Performance PartsComputer Aided Design of Manufacturing of Fasteners - Selection of the Best Production ChainNumerical and Experimental Investigations on the Service Life Estimation for Hot-Forging DiesMicrostructural Behaviour in Rotary Forging of Inconel 718Compound Forging of Hybrid Powder-Solid-Parts Made of Steel and AluminumHydroforging of Thick-Walled Hollow Aluminum ProfilesEvolution of Microstructure during the Shape Rolling Modeled by Cellular AutomataCoupled Thermo-Mechanical Analysis of Process-Integrated Powder Coating by Means of Hot RollingScale Behaviour and Deformation Properties of Oxide Scale during Hot Rolling of SteelCross Wedge Rolling of Preforms for CrankshaftsA Simple Discrete Method for the Simulation of the Preforming of Woven Fabric ReinforcementAnalysis of Non-Crimp Fabric Composite Reinforcements FormingCharacterization and Finite Element Modeling of Unidirectional Non-Crimp Fabric for Composite ManufacturingComplex Shape Forming of Flax Based Woven Fabrics - Analysis of the Yarn Tensile Strain during the ProcessForming of Thermoplastic CompositesIntraply Shearing Characterization of Thermoplastic Composite Materials in Thermoforming ProcessesSimulating the Manufacturing Process and Subsequent Structural Stiffness of Composite Wind Turbine Blades with and without DefectsTow-Scale Mechanics for Composite Forming Simulations3D Interlock Composite Preforming Simulation3D Hyperelastic Constitutive Model for Yarn Behaviour DescriptionCompression Behaviour of Steel Fibre Knitted FabricsExperimental Characterization and Modeling of Bending Properties of Woven Fibrous PreformsFirst Steps on the Modeling and Simulation of Thermoplastic/Thermoset Phase SeparationFlow Monitoring and Permeability Measurements in LCM Processes by the Means of a Dielectric SensorManufacturing Processes for Combined Forming of Multi-Material Structures Consisting of Sheet Metal and Local CFRP ReinforcementsForming Simulation Sensitivity Study of the Double-Dome Benchmark GeometryA Friction-Test Benchmark with Twintex PPAnalyze of the Contact Behaviour between Two Layers of Dry Glass Plain Weave FabricFriction Measurement on Dry Fabric for Forming Simulation of Composite ReinforcementTow Mechanics: A Contact Mechanics Approach of Friction in Fibrous Tows during FormingThe Influence of Particle Size on Viscosity in Thixo MaterialProduction of Aluminium Matrix Nanocomposite Feedstock for Thixoforming by an Ultrasonic MethodEffect of Experimental Conditions on 7075 Aluminium Response during ThixoextrusionThermal Simulation of Laser Surface Modification of H13 Die SteelThixo Lateral Forging of a Commercial Automotive Spindle from LTT45 Steel GradeConsiderations on the Reliability of Advanced Squeeze Casting ProcessLightweight Construction by Means of ProfilesTailored Heat Treated Profiles - Enhancement of the Forming Limit of Aluminum Profiles under Bending LoadCold Backward Extrusion of Titanium Billet with Pulsating Lubricant Supply on Servo PressInfluence of Processing Parameters on Bonding Conditions in Backward Extrusion Forged BondingAnalytic Prediction of the Process Parameters for Form-Fit Joining by Die-Less HydroformingAnalytical and Numerical Approaches to Predict the Flow Characteristics of a Magnetorheological Fluid in Rotational Symmetric Cross SectionsObservation of Welded Interface of SPCC/A1100-O Tailored Blanks Made by Butt Laser Welding2D Meshless Solution of Elastoplastic with Damage ProblemAnalysis of Plastic Flow during Friction Stir Spot Welding Using Finite Element ModellingExplicit Simulation of Forming Processes Using a Novel Solid-Shell Concept Based on Reduced IntegrationFree Surface Modeling of Contacting Solid Metal Flows Employing the ALE FormulationImprovement on CAE Model for Accurate Torsional Springback Prediction in High Strength Steel Part FormingModeling Induced Flow Anisotropy and Phase Transformations in Air Hardening SteelsNumerical Modelling and Experimental Study of Sandwich Shells with Metal Foam CoresRemapping Method for Transferring Data between Two Meshes Using a Modified Iterative SPR Approach for Parallel ResolutionA First Approach Toward a Proper Generalized Decomposition Based Time ParallelizationReal Time Simulation of Non-Linear Solids by PGD TechniquesAn Investigation of the Material Flow in a Screw Extruder of Aluminium Using Contrast MaterialManufacturing of Steel-Reinforced Aluminum Products by Combining Hot Extrusion and Closed-Die ForgingEffect of Process Parameters on Seam Weld Quality of ZM21 TubesMetal Flow in Two-Hole Extrusion of Al-Alloys Studied by FEA with ExperimentsConstitutive Equations for Finite Element SimulationThe Model for Coupled Simulation of Thin Profile ExtrusionComparison between FEM Simulations and Analytical Calculations of Required Force for Al ExtrusionNumerical Approach for the Evaluation of Seam Welding Criteria in Extrusion ProcessesEffect of Porthole Design and Welding Chamber Dimensions on Material Flow and Weld Deformability of Extruded Aluminium ProfilesOn the Fundamental Mechanism of Seam Welding in Extrusion of Aluminum AlloysFrictional Behaviour of Environmentally Friendly Lubricants for Sheet Metal Forming ProcessesTribological Behaviour of PVD Coatings for Sheet Metal Forming Tools: Laboratory and Industrial EvaluationVelocity Gradients and the Evolution of Material Properties in a Narrow Layer near Surfaces of High Friction in Metal Forming ProcessesSliding Wear Behaviour of Al-7075 Based Metal Matrix Composite: Effect of Processing ParametersTribological Performances of Two White Lubricants in Hot Steel ForgingNew SPD Process of Incremental Angular SplittingFormability of Ultrafine-Grained AA6016 Sheets Processed by Accumulative Roll BondingBenchmarking of Direct and Indirect Friction Tests in Micro FormingExperimental Study of a Full Forward Extrusion Process from Metal StripInfluence of Punch Velocity on Spring Back in Micro FormingDynamic Characteristics of a Micro-Sheet-Forming Machine SystemA Comparison between Three Meta-Modeling Optimization Approaches to Design a Tube Hydroforming ProcessOptimization of Forging Preforms by Using Pseudo Inverse ApproachTowards Inverse Form Finding Methods for a Deep Drawing Steel DC04Optimization of Pre-Stressed Press FramesStatistical Analysis of Forming Processes as a First Step in a Process-Chain Analysis: Novel PRO-CHAIN ComponentsCazacu and Barlat Criterion Identification Using the Cylindrical Cup Deep Drawing Test and the Coupled Artificial Neural Networks ? Genetic Algorithm MethodAZ31 Magnesium Alloy Parameters Identification through Inverse Analysis at 713 KPrediction of Texture Evolution in Rolled Sheet Metals by Using Homogenization SchemesTexture Based Finite Element Simulation of a Two-Step Can Forming ProcessEvaluation of Associated and Non-Associated Flow Metal Plasticity; Application for DC06 Deep Drawing SteelUnconditionally Convex Yield Functions for Sheet Metal Forming Based on Linear Stress Deviator TransformationCompartmentalized Model for the Mechanical Behavior of TitaniumOn the Modeling of Evolving Elastic and Plastic Anisotropy in the Finite Strain Regime ? Application to Deep Drawing ProcessesAssessment of Distinct Algorithmic Strategies in the Implementation of Complex Anisotropic Yield CriteriaImplementation and Validation of a Gurson Damage Model Modified for Shear Loading: Effect of Void Growth Rate and Mesh Size on the Predicted BehaviorConstitutive Equation for Description of Metallic Materials Behavior during Static and Dynamic Loadings Taking into Account Important Gradients of Plastic DeformationIdentification of the Plastic Behaviour in the Post-Necking Regime Using a Three Dimensional Reconstruction TechniqueLaser Heat Treatment Effects on Roller Hemming in Aluminum AlloysSuperplastic Forming/Diffusion Bonding of a Titanium Alloy for the Realization of an Aircraft Structural Component in Multi-Sheets ConfigurationSmart Components through Rotary SwagingStudy of Wavy Interface in Electromagnetic WeldsProcess Mechanics in Friction Stir Welding of Magnesium Alloys: Experimental and Numerical AnalysisInvestigation of Vibration Assisted Friction Stir WeldingExperimental and Numerical Analysis on FSWed Magnesium Alloy Thin Sheets Obtained Using ?Pin? and ?Pinless? ToolExperimental Analysis of the Influence of Process Parameters on Residual Stress in AA2024-T3 Friction Stir WeldsQuality Analysis of Friction Stir Welded Butt Joints by Means of Experiments and SimulationsExtension of a Failure Criterion for Hemming Applications in the FEM SimulationNumerical and Experimental Studies on the Clinch-Bonding and Riv-Bonding ProcessSimulation of Hybrid Joining Technologies Using the Example of Clinch-BondingA New Clinching Process Especially for Thin Metal Sheets and FoilsInvestigation of Thick Sheet AHSS Springback in Combined Bending under TensionComparison of Bending of Automotive Steels in Roll Forming and in a V-DieBending Testing Rig Development through CAE Tools ApplicationAn Analytical Method for Prediction of Cross-Sectional Deformations in Stretch BendingWarm Incremental Forming of Magnesium Alloys Using Hot Fluid as Heating MediaTowards Energy Efficiency in Incremental Forming of TitaniumIn-Process Hardening in Laser Supported Incremental Sheet Metal FormingAn Upper-Bound Prediction of Tangential Force in Single Point Incremental FormingFlexible Tooling System Using Reconfigurable Multi-Point Thermoforming Technology for Manufacturing Freeform PanelsViscoplastic Regularization of Local Damage Models: A Latent SolutionAny Effect of Processing History on Precipitation Hardening of Metastable Austenitic Stainless SteelsOptimizing Roll Forming Processes with the Aid of a New Numerical AlgorithmPreliminary Studies on the Determination of FLD for Single Point Incremental Sheet Metal FormingAn Integrated Approach to Accurate Part Manufacture in Single Point Incremental Forming Using Feature Based Graph TopologyIntegrated Process Design for Two Robots Based Incremental Sheet Metal FormingFlexDie: A Flexible Tooling-Concept for Incremental Sheet FormingLudwik?s Model Parameter Identification for V-Bending Simulations with Ti64 and MS1200Methodology for the Analysis of the Process Behaviour of Advanced High Strength Steels in Bending and Shearing OperationsInfluence of Predetermined Surface Defect to the Bendability of Ultra-High-Strength SteelA Self-Correcting Approach for the Bending of Metal PartsEvaluation of the Enhanced Assumed Strain and Assumed Natural Strain in the SSH3D and RESS3 Solid Shell Elements for Single Point Incremental Forming SimulationInfluence of Material Properties on Accuracy Response Surfaces in Single Point Incremental FormingA New Tool Concept for Rotary Peen Forming with Defined Impact PositionsIncremental Forming of Sandwich MaterialsPunch Radius Influence on ?Large Size? Hydroformed ComponentsExperimental and Numerical Investigation on the Formability of Clad Sheets Copper/Stainless Steel 304L in Spinning ProcessDevelopment of Boss Forming Simulation Technologies with a Rotary ToolWarm Deep Drawability of Peak-Aged 7075 Aluminium Sheet AlloyAcquisition of Heuristic Knowledge for the Prediction of the Frictional Behavior of Surface Structures Created by Self-Excited Tool VibrationsAmorphous Carbon Coatings for Locally Adjusted Tribological Properties in Sheet Bulk Metal FormingImproved Tool Surfaces for Incremental Bulk Forming Processes of Sheet MetalsThe Load-Scanning Test ? Evaluation of a Universal Tribological Model Test in View of Sheet Bulk Metal FormingGoal Oriented Error Control for Frictional Contact Problems in Metal FormingMaterial Model Identification for DC04 Based on the Numerical Modelling of the Polycrystalline Microstructure and Experimental DataProcess-Machine Interaction in Sheet-Bulk Metal FormingHolistic Measurement in the Sheet-Bulk Metal Forming Process with Fringe ProjectionMaturity Model for the Development of New Forming Processes Applied to the Sheet-Bulk Metal FormingTemperature Control during the APN-Process on the Steel 1.3343Manufacturing of Sheet Metal Components with Variants Using Process Adapted Semi-Finished ProductsMaterial Characterization for Sheet-Bulk Metal FormingMaterial Flow in Sheet-Bulk Metal FormingAnalysis of Roll Gap Heat Transfers in Hot Steel Strip Rolling through Roll Temperature Sensors and Heat Transfer ModelsCooling of a Rotating Cylinder by a Subcooled Planar Jet - Influence of the Surface Velocity on Boiling RegimeImplementation of the Axially Symmetrical and Three Dimensional Finite Element Models to the Determination of the Heat Transfer Coefficient Distribution on the Hot Plate Surface Cooled by the Water Spray NozzleDetermination of Heat Repartition Parameters on High Speed Pin-on-Disc Tribometer by Inverse Heat Conduction MethodComparisons of Numerical Modelling of the Selective Laser MeltingNew Technique to Model the Effect of Intermediate Induction Heat Treatment (IIHT) in Pre-Strained Aluminium SheetsMetallurgical Model Fitted to Experimental Data Using a Genetic AlgorithmOptimization of the Incident IR Heat Flux upon a 3D Geometry Composite Part (Carbon/Epoxy)Experimental Determination and Modeling of Thermal Conductivity Tensor of Carbon/Epoxy CompositeStretch Blow Moulding of Mineral Filled PETMeasurement & Modelling of Slip during Plug-Assisted ThermoformingMechanical Analysis and Simulation of the Thermoforming Process of Thin Polymer SheetsThe Effect of Temperature, Strain Rate and Strain on the Induced Mechanical Properties of Biaxially Stretched PETMechanical Behavior of Highly-Flexible Elastomeric Composites with Knitted-Fabric ReinforcementMeasurement and Modelling of Chemical Shrinkage of Thermoset CompositesThe Effect of Thermoforming of PLA-PHBV Films on the Morphology and Gas Barrier PropertiesNumerical Simulation of the Viscohyperelastic Behaviour of PET near the Glass Transition TemperatureShape Evolution of Carbon Epoxy Laminated Composite during CuringStructure of Polymer ? Multiwall Carbon Nanotube CompositesDevelopment of a Process Evaluation System for Wire-EDM Applications Using an Intelligent Process Monitoring ToolWire-EDM of ZTA-TiC Composites with Variable Content of Electrically Conductive PhaseAnalysis of Surface Reaction Mechanisms on Electrically Non-Conductive Zirconia, Occurring within the Spark Erosion Process ChainDevelopments in Wire-EDM for the Manufacturing of Fir Tree Slots in Turbine Discs Made of Inconel 718Study on Single-Pulse Discharges under Special Flushing ConditionsElectrode Tool Wear at Electrical Discharge MachiningApplications of the Electro-Contact-Discharge Machining (ECoDM) and the Analysis of Different Process PartsFully Coupled Numerical Simulation of Electromagnetic FormingEffects of the Laser Beam Interaction with the Workpiece MaterialMicrostructural Modification of Laser-Bent Open-Cell Aluminum FoamsNumerical Simulation of Open-Cell Aluminum Foams under CompressionResearch on Unconventional Methods of Cylindrical Micro-Parts ShapingCharacterization of Friction Modified Processing ? A Novel Tool for Enhancing Surface Properties in Cast Aluminium AlloysTechnological and Economical Capabilities of Manufacturing Titanium- and Nickel-Based Alloys via Electrochemical Machining (ECM)Single Roll Caster Equipped with a ScraperRoll Forming Set-Up Influence in the Forming Forces and Profile QualityForming Limits for Shrink Flanges of Rubber Formed PartsDisplacement Behavior of Wood in Boss Forming Using Open-Die Wood ForgingDynamic Simulation of the Micro-Milling Process Including Minimum Chip Thickness and Size EffectExperimental and Numerical Determination of Cutting Forces and Temperatures in Gear HobbingMaterial Parameter Identification from Machining Simulations Using Inverse TechniquesHardness-Based Flow Stress for Numerical Simulation of Machining Inconel 718 AlloyCrack Investigation of the Multilayer TiN/Ti Coatings during the Nanoindentation TestNumerical-Experimental Correlation of Distortions Induced by Machining Process on Thin-Walled Nickel Super Alloy Forged ComponentsTool Engage Investigation in Nickel Superalloy Turning OperationsCutting Speed-Feed Based Parametric Model for Macro-Geometrical Deviations in the Dry Turning of UNS A92024 Al-Cu AlloysMachinability Study Using Chip Thickness Ratio on Difficult to Cut Metals by CBN Cutting ToolPerformance Evaluation of Cryogenically Treated Worn CBN Insert by Turning ProcessUsing Image Analysis Techniques for Single Evaluation of the Chip Shrinkage Factor in Orthogonal Cutting ProcessWhite and Dark Layer Analysis Using Response Surface MethodologyDevelopment of a Calorimeter to Determine the Chip Heat in Drilling of C45ENInvestigation on Surface Integrity of STAVAX ESR AISI 420 Martensitic Stainless Steel by Cryogenically Treated Steel Balls with Low Plastic Burnishing ToolInfluence of Grinding on the Surface Properties of Cemented CarbidesEffect of Convex Sheared Punch Geometry on Cutting Force of Ultra-High-Strength SteelCutting Force Prediction in Drilling of Anisotropic MaterialsLaser Assisted Cutting of Abrasion Resistant SteelDesign an Apparatus for Obtaining to High Precision Surface of Miniature Parts Based on Magnetized Abrasive Grains Finishing ProcessApplication of Mechanical Vibration in the Machine Building TechnologyDesign of Lightweight Composite Structures: A Parameter Free Structural Optimization ApproachA Reliability Study on the Structural Performance Prediction of Reinforced Aluminium Panels with Respect to Variations in Input Parameters of Numerical SimulationsNumerical Simulations of Clay Tiles Compression