Proceedings of the 14th International Conference on the Technology of Plasticity - Current Trends in the Technology of Plasticity: ICTP 2023 - Volume 4 (Lecture Notes in Mechanical Engineering)

Contents
IA/Data Science
Machine Learning-Based Feature Evaluation for Scrap Float Detection with Accelerometers in Stamping
	1 Introduction
	2 Experiment
		2.1 Setup and Conditions
		2.2 Features Observed in the Signal of Accelerometers
	3 Employed Machine Learning Technique
		3.1 Mahalanobis Taguchi System
		3.2 Signal-to-Noise Ratio Analysis
	4 Results and Discussion
		4.1 Learning and Detection with all Six Features
		4.2 S/N Ratio Analysis
		4.3 Learning and Detection with the Selected Influential Features
	5 Conclusion
	References
Prediction and Control of Microstructure Evolution of a Novel P/M Nickel-Based Superalloy During Near-Isothermal Forging
	1 Introduction
	2 Research Methodology
		2.1 Mathematic Models for Predicting the Microstructure Evolution
		2.2 Finite Element Model of the Near-Isothermal Forging Process
	3 Results and Discussions
	4 Conclusion
	References
Simulation-Based Data Augmentation for an Inline Wear State Detection During Blanking
	1 Introduction
	2 Methods and Material
		2.1 Generation of Experimental Data Set
		2.2 Generation of Synthetic Force Curves
		2.3 Training of Machine Learning Models for Wear Prediction
	3 Results and Discussion
	4 Conclusions and Future Work
	References
Data-Based Global Control of the Part’s Geometry During Free-Form Bending
	1 Introduction
	2 Materials and Methods
		2.1 Bending Kinematic
		2.2 Process Models
		2.3 Global Geometry Control Scheme
		2.4 Geometries
	3 Results and Discussion
		3.1 Validation of the Surrogate Process Model
		3.2 Accuracy of the Feedforward Network
		3.3 Influence of the Material Properties on the Components Geometry
		3.4 Results of Global Control
	4 Conclusion
	References
Deep Learning Enabled Tool Compensation for Addressing Shape Distortion in Sheet Metal Stamping
	1 Introduction
	2 Methodology
		2.1 Overview of the Deep Learning-Based Platform for Tool Compensation
		2.2 Case Study Definition and FE Simulations for Dataset Generation
		2.3 Development of the Geometry Generator Model
		2.4 Development of the Manufacturability Surrogate Model
	3 Optimisation Case Study
		3.1 Problem Formulation
		3.2 Optimisation Results
	4 Benefits of the Optimisation Platform for Tool Compensation
	5 Conclusion
	References
A Coupled Approach Based on Statistical Methods and Machine Learning Techniques to Improve Porthole Die Design
	1 Introduction
	2 Methodology
		2.1 Correlation Analysis
		2.2 Machine Learning Techniques
	3 Case Study – Porthole Die Extrusion
	4 Discussion and Results
	5 Conclusion
	References
Deep Convolutional Neural Network to Assist Die Design for Flow Balance of Aluminum Hollow Extrusion
	1 Introduction
	2 Extrusion Die Design Based on Deep Convolutional Neural Network (DCNN) and Computer-Aided Simulation
		2.1 DCNN-Based Porthole Geometry Selection for Upper Die
		2.2 DCNN-Based Bearing Design for Mandrel of Upper Die and Orifice of Lower Die
		2.3 Computer-Aided Simulation of Extrusion Process
	3 Results and Discussion
	4 Conclusion
	References
Blanking/Shearing
Galling-Free Fine Blanking of Titanium Gears Using Carbon-Supersaturated YXR7 Punch
	1 Introduction
	2 Experimental Procedure
		2.1 Punch Material Selection and Design
		2.2 Carbon Supersaturation Treatment
		2.3 Fine Blanking Experiment
		2.4 Work Materials
	3 Experimental Results and Discussion
		3.1 Anti-Galling Behavior by CS-YXR7 Punch
		3.2 Fine Blanking of Pure Titanium Gears by CS-YXR7 Punch
		3.3 Engineering Endurance of CS-YXR7 Punch
	4 Conclusion
	References
Fine Piercing of Amorphous Electrical Steel Sheet Stack Using Micro-/Nano-Textured Punch
	1 Introduction
	2 Material and Methods
		2.1 Stamping Procedure
		2.2 Tooling Conditions
		2.3 Characterization of the Pierced Works
	3 Experimental Results
		3.1 Sem Analysis on the Sheared Surfaces and Process Affected Zones
		3.2 Diameter of Pierced Hole
		3.3 Maximum Piercing Load
		3.4 Tool Damage After Experiment in Punch
	4 Discussion
	5 Conclusion
	References
The Influence of the Stamping Parameters on the Warpage of Leadframe
	1 Introduction
	2 Method
	3 Results and Discussion
	4 Conclusion
	References
New Modeling and Numerical Approach of the Temperature Evolution in a Carbide Insert in Milling Machining
	1 Introduction
	2 Numerical Modeling of Tool Temperature Evolution
		2.1 Heat Generation in the Secondary Shear Zone
		2.2 Heat Generation in the Tertiary Shear Zone
		2.3 Thermal Convection with Ambient Air
		2.4 Numerical Parameters of the Model
	3 Experimental Procedure
	4 Results and Discussion
	5 Conclusion
	References
Numerical Simulation and Experimental Verification of the Blanking Process of Medium-Thick Aluminum Alloy Plate
	1 Introduction
	2 Finite Element Simulation
		2.1 Finite Element Model
		2.2 Fracture Criterion
		2.3 Frictional Contact
	3 Simulation Results and Discussion
		3.1 Blanking Deformation Process
		3.2 Blanking Speed Analysis
		3.3 Blanking Clearance Analysis
	4 Conclusion
	References
Investigation of the Influence of Cutting Speed on Component Quality for Ductile and High-Strength Materials Using a Novel Test Bench for High-Speed Impact Cutting
	1 Introduction
	2 Concept of the High-Speed Impact Cutting Process with Linear Motors
	3 Materials and Methods
		3.1 Materials
		3.2 Methods
	4 Results and Discussion
		4.1 Cut Surface Characteristics
		4.2 Hardness Measuring
		4.3 Microstructure
		4.4 Statistical Test Evaluation
	5 Summary and Outlook
	References
Damage and Fracture
A Rate-Dependent Damage Mechanics Model on Plasticity and Ductile Fracture Prediction of Automotive Steel Sheets
	1 Introduction
	2 Materials and Experiments
		2.1 Materials
		2.2 Specimen Geometries and Experimental Setup
	3 Extended Rate-Dependent Damage Mechanics Model
		3.1 Plasticity Model Parameter Identification
		3.2 Ductile Fracture Parameter Identification
	4 Model Application to Three-Point Bending Test
		4.1 Experiment of Three-Point Bending
		4.2 FE Modelling of Three-Point Bending
	5 Conclusion and Outlook
	References
An Extended Ductile Fracture Prediction Model Considering Strain Rate Effects
	1 Introduction
	2 Material and Experimental Procedure
	3 Material Model and Finite Element Simulation
		3.1 Material Model
		3.2 Finite Element Simulation
	4 Results and Discussion
	5 Rate-Dependent Ductile Fracture Model
	6 Conclusion
	References
Investigation of the Damage Behavior of Steel/CF Hybrid by Pure Bending Test
	1 Introduction
	2 Materials and Methodology
		2.1 Material Characterization
		2.2 Pure Bending Test
		2.3 Damage Analysis
	3 The Numerical Model
		3.1 Discretization of the CFRMH Test Piece
		3.2 Material Model
	4 Results and Discussion
		4.1 Moment-Curvature Material Response
		4.2 Damage Analysis
	5 Conclusion
	References
A Methodology Using Cycle Jump Algorithm for Prediction of the Low Cycle Fatigue Life Concerning Mechanical Structures
	1 Introduction
	2 Theoretical Formulation
	3 Numerical Implementation
	4 Numerical Simulation of DP600 Steel Mechanical Structure
		4.1 Identification of Model Parameters
		4.2 Numerical Simulation of the Plate Structure with a Residual State
	5 Conclusions
	References
Evaluation of Crack Propagation During Cyclic Bending of Wire Strip
	1 Introduction
	2 Material and Experimental Setup
	3 Experimental Results
	4 Discussion
	5 Summary and Outlook
	References
On the Characterization of Fracture Forming Limits for Highly Ductile Metals Through Radial Extrusion
	1 Introduction
	2 Material and Methods
		2.1 Material Deposition and Mechanical Characterization
		2.2 Formability Testing and Fractography
		2.3 Numerical Modelling
	3 Results and Discussion
		3.1 Strains and Loading Path Angles at Cracking
		3.2 Experimental and Numerical Strain Loading Paths
		3.3 Fractography of the Cracked Surfaces
	4 Conclusions
	References
Thermal Control and Uncertainty Evaluation for Characterising Aluminium Formability Under Hot Stamping Conditions
	1 Introduction
	2 Methodology
		2.1 Phosphor Thermometry Calibration
		2.2 Phosphor Thermometry
		2.3 Formability Tests
	3 Results and Discussion
		3.1 Intensity Ratio and Uncertainties for Phosphor Thermometry
		3.2 Temperature Distribution on the Gauge Area
		3.3 Uncertainty Analysis of Determined Forming Limits
		3.4 Main Phosphor Thermometry Uncertainties Sources
	4 Conclusions
	References
Damage Evolution in Axial Forming of External Splines and Quenching Operation of the Tubular Gear Shafts
	1 Introduction
	2 Material and Experimental Methods
		2.1 Material
		2.2 Experimental Methods
	3 Results and Discussion
		3.1 Damage Characterization of Pre and Post Heat Treatment of the Monobloc Tubular Shafts (MTS)
		3.2 Simulation of Axial Forming
		3.3 Microstructural Investigation
	4 Summary and Conclusion
	References
The Effect of Hardening Model on the Fracture of a Penetrator Impacting an Inclined Concrete Target
	1 Introduction
	2 Properties of Penetrator Material
		2.1 Constitutive Equation of Penetrator Material
		2.2 Fracture Model of Penetrator Material
		2.3 Application to Numerical Analysis
	3 Target Properties
		3.1 Smoothbore Gun Test
		3.2 Numerical Analysis of Smoothbore Gun Test
	4 Survivability Assessment of Penetrator
		4.1 Numerical Analysis of the Oblique Impact Test
		4.2 Effect of Hardening Model on the Fracture
	5 Conclusion
	References
Investigation of Damage-Controlling Process-Parameters During Cold Rolling on the Impact Toughness of DP800 Steel Under Crash Loading Stress States
	1 Introduction
	2 Experimental Procedure
		2.1 Specimen Geometry Design to Mimic the Component Stress State
		2.2 Rolling Parameter Set-Up and Damage Quantification
	3 Results
		3.1 Damage After Cold Rolling Process
		3.2 Impact Toughness of DP800 Under Crash-Loading Stress States
	4 Discussion
	5 Conclusions
	References
Forming Analysis on the Effect of Ultra-Thinning of Sheet Metals Based on a Stress Rate Direction-Dependent Constitutive Model
	1 Introduction
	2 Theoretical Models
		2.1 Stress Rate Direction-Dependent Plastic Constitutive Equation
		2.2 Forming Limit Prediction Based on the 3-Dimensional Bifurcation Theory
	3 Simulation Results
		3.1 Finite Element Model for Cylindrical Drawing Simulation
		3.2 Appropriate Load for the Binder
		3.3 Results of Varying Corner-Cut Values
	4 Conclusions
	References
Simulative and Empirical Investigation of Test Specimen Geometries for the Determination of Forming Limit States in the Tensile-Compression Range for Austenitic Stainless Steel Foil Material
	1 Introduction
	2 Numerical Investigation
		2.1 Set-Up for Nakazima Tests
		2.2 Numerical Process Set-Up
		2.3 Variation of the Specimen Geometry
		2.4 Simulation Results
		2.5 Numerical Conclusion
	3 Experimental Investigation
		3.1 Specimen Fabrication
		3.2 Nakazima Test Setup
		3.3 Results
	4 Discussion and Outlook
	References
Controlling the Damage Evolution in Roll Forming of a V-Section by Elastomer Rollers
	1 Introduction
	2 Materials and Methods
		2.1 Experimental Roll Forming Setup
		2.2 Numerical Setup
		2.3 Determination of Void Area Fraction
		2.4 Product Performance Tests
	3 Results and Discussion
		3.1 Load Paths from Numerical Model
		3.2 Product Geometry
		3.3 Damage Evolution
		3.4 Product Performance
	4 Conclusions
	References
Advancements in the Simulation of 3D Ductile Damage Transition to Fracture with FORGE®
	1 Introduction
	2 Unified Framework for Continuous Damage Modeling
	3 Crack Surface Intersection with Mesh
		3.1 Normal Tensor Filter
	4 Self-described Characteristic Length
	5 Automatic Mesh Adaptation on Fields Gradients
	6 Conclusions
	References
Efficient Thermo-Mechanical Modelling of Cyclic Loading with Chaboche Type Constitutive Law Coupled with Damage
	1 Introduction
	2 Description of the Numerical Model
		2.1 Chaboche Constitutive Law
		2.2 Damage Model
		2.3 Studied Application
	3 Cycle Jump Approach
	4 Results
		4.1 Influence of Nj
		4.2 Influence of Ni
		4.3 Influence of the Extrapolation Technique
		4.4 Optimal Values of the Cycle Jump Parameters
	5 Conclusions
	References
On the Assessment of the Forming Limit Diagram at Necking and Fracture for Polymer Sheets
	1 Introduction
	2 Experimentation and Methodology
		2.1 Necking and Fracture Assessment
	3 Results and Discussion
		3.1 Necking Results
		3.2 Formability Limits in Principal Strain Space
	4 Conclusions
	References
IV Bending
Effect of Initial Cross-Sectional Shape on Bent Shape in “Bending and Compression Method” for Forming In-Plane Bent Sheet Metal
	1 Introduction
	2 Compression Process of Straight Material in the Analysis
		2.1 Analysis Condition
		2.2 Investigation of Forming Condition
		2.3 Comparison with Experimental Results
	3 Compression Process of Bent Material in the Analysis
		3.1 Analysis Condition
		3.2 Effect of Compression Step on Forming Shape in Bend Material
	4 Conclusion
	References
Towards Control of Springback Variability in Novel Flexible Stretch Forming of Aluminium Extrusions
	1 Introduction
	2 Advanced Flexible Rotary Stretch Bending
	3 Experiments and FE Modelling
		3.1 Experiments
		3.2 FE Modelling
	4 Results and Discussion
		4.1 Experimental Results
		4.2 Comparison Between Experiments and FE Simulations
		4.3 Analysis of Property and Friction Variation-Induced Springback Variability
	5 Conclusions and Outlook
	References
Cryogenic Forming Potential of Large Diameter and Thin-Walled Aluminum Alloy Tubular Materials
	1 Introduction
	2 Anisotropy Characterization at Cryogenic Temperature
	3 Modeling of Cryogenic Bending
	4 Bending Experiment and Model Validation
	5 Forming Potential of the 6061-O Aluminum Alloy Tube by Cryogenic Bending
	6 Conclusions
	References
Investigation of Warping and Springback in Kinematic U-Profile Bending with Partial Heating
	1 Introduction
	2 Methodology
		2.1 Experimental Procedure
		2.2 Simulation Setup
	3 Results and Discussion
		3.1 Evaluation of the Unloaded State
		3.2 Evaluation of the Loaded State
	4 Summary
	References
Stress Relief for Crack Prevention by Adding Holes to V-Bending Die
	1 Introduction
	2 Shape Optimization by Topology Optimization
		2.1 Topology Optimization
		2.2 Load Addition for Topology Optimization
		2.3 Analysis Conditions
		2.4 Analysis Results
	3 Parametric Analysis on the Effect of Hole Position Using the Iterative s-FEM
		3.1 Analysis Conditions
		3.2 Analysis Results
	4 Parametric Study of the Effect of Hole Shape
		4.1 Analysis Conditions
		4.2 Analysis Results
	5 Experimental Verification of the Effect of Optimum Hole-Shape
		5.1 Experimental Conditions
		5.2 Experimental Results and Discussion
	6 Effects of Holes on Bending Precision a Hole
		6.1 Analysis Conditions
		6.2 Analysis Result
	7 Conclusion
	References
Refinement of Process Parameters in Rotary Draw Bending Processes
	1 Introduction
	2 Objective
	3 Method and Materials
		3.1 FE-Simulation of the RDB Process
		3.2 Experimental Setup
		3.3 Material Selection
		3.4 Quality Measurement
	4 Results and Discussions
		4.1 FE-Simulation Case 1
		4.2 FE-Simulation Case 2
		4.3 Discussion on FE-Simulations
		4.4 Measurement of Ovality
	5 Conclusion
	References
Mechanical Reaction of Granular Filler and Its Interaction Mechanism with Tube During Push-Bending Process
	1 Introduction
	2 Process Principle and DEM Simulation
		2.1 Process Principle
		2.2 DEM Simulation
	3 Equivalent Contact Pressure of Granular Filler and the Influencing Factors
		3.1 Equivalent Contact Pressure of Granular Filler
		3.2 Influencing Factors
	4 Interaction Mechanism Between Granular Filler and Tube
	5 Summary
	References
Influence of Bending Radius and Heat-Affected Zones on the Bending Performance of High-Strength Thin-Walled Structures Formed by Laser-Assisted Robotic Roller Forming
	1 Introduction
	2 Experimental Details
	3 Results and Discussion
		3.1 Experimental Results
		3.2 Finite Element Analysis
	4 Conclusions
	References
Review and Analysis of Manufacturing Curved Extrusion Components
	1 Introduction
	2 Overview of Major Cold Bending Processes
		2.1 Major Categories of Cold Bending Processes in Manufacturing Curved Extrusion Components
		2.2 Typical Defects in Stretch, 3-Point and 2-Point Roll Bending Operations
	3 Stress and Strain Analysis for Cold Stretch-Bending and Pure Bending Processes
		3.1 Stress-Strain Distribution Through the Cross-Section of a Profile
		3.2 Stress-Strain Analysis at Top and Bottom Surfaces of a Profile
		3.3 Superimposed Strain and Stress for Curved Extrusion Profile
	4 Conclusions
	References
Effect of Diameter of Fulcrum Roller on Shape of Rebar in Bending
	1 Introduction
	2 Experimental Conditions
		2.1 Bending Conditions
		2.2 Observation Method
	3 Experimental Results and Discussion
		3.1 Effect of Diameter of Fulcrum Roller DF on the Shape of Bent Rebar
		3.2 Bent Shape of Rebar at Maximum Rotation Angle θF = 186
		3.3 Relationship Between the Rotation Angle θF and the Interior Angle θi
		3.4 Effect of Diameter DF of Fulcrum Roller on Interior Angle Variation Δθi Caused by Spring Back
	4 Conclusion
	References
Scalable Tool Design for 3D Swivel Bending
	1 Introduction
	2 State of the Art
		2.1 3D Swivel Bending
		2.2 Shape Flexible Tools
	3 Development of a Scalable Tool Concept for 3D Swivel Bending
		3.1 Investigation of the Deformation Behavior During Swing Bending with Segmented Tools
		3.2 Concept Development of Scalable Tools for 3D Swivel Bending
	4 Conclusion
	References
Assessing the Bendability of Ultra-High Strength Steel in Plane Strain Conditions
	1 Introduction
	2 Experimental Setup
		2.1 Tested Material
		2.2 Tensile Testing
		2.3 Bending Tests and Digital Image Analysis
	3 Results
		3.1 Tensile Testing
		3.2 Bending Tests and Digital Image Analysis
	4 Discussion and Future Work
	5 Conclusion
	References
Warm V-Bending and Hydrogen Embrittlement Properties of Ultrahigh-Strength TRIP-Aided Bainitic Ferrite Steel Sheets
	1 Introduction
	2 Experimental Procedure
	3 Results and Discussion
		3.1 Microstructure and Mechanical Properties
		3.2 V-bending Properties of Steels Without and with Diffusible Hydrogen
	4 Conclusions
	References
Constitutive Modeling
Model-Based Evaluation of Methods for the Determination of the Onset of Yielding by Temperature Measurement
	1 Introduction
	2 Approach
	3 Data Generation
		3.1 Thermo-Mechanical Model
		3.2 Material Data
		3.3 Sampling
	4 Evaluation Methods
		4.1 Temperature Minimum
		4.2 Line-Fit on First-Order Finite Differences
		4.3 Second-Order Finite Differences
		4.4 Second-Order Regularization
		4.5 Inverse Analysis
	5 Results and Discussion
	6 Conclusion
	References
Study on the Micro-Scale Deformation Behavior of Al-B4C Composite by Using CPFE-CZ Model
	1 Introduction
	2 CPFE-CZ Model
		2.1 Constitutive Modeling of the Al Matrix
		2.2 Modeling of the Particle-Matrix Interface
	3 Discussion on the Deformation Behavior of Al-B4C Composite
		3.1 The Effect of Al Matrix Grain Size
		3.2 The Effect of B4C Volume Fraction and Particle Size
		3.3 The Effect of B4C Particle Location
	4 Conclusions
	References
Molecular Dynamics Simulation on the Initiation of Plastic Deformation by Nanoindentation
	1 Introduction
	2 Simulation Method
		2.1 Nanoindention MD Simulation
		2.2 Prediction of the Temperature Dependency for the First Pop-In Load for HCP Mg
	3 Results and Discussion
		3.1 Dislocation Nucleation at the Initiation of Plastic Deformation
		3.2 The Temperature Dependency of the First Pop-In Load for HCP Mg
	4 Conclusion
	References
A Microstructural Based Unified Model for Creep-Ageing Behaviour of Aluminium Alloy Under Various Thermal Conditions
	1 Introduction
	2 Microstructure-Based Model
		2.1 Microstructural Model
		2.2 Creep-Ageing Model
	3 Results and Discussion
		3.1 Model Calibration and Validation
		3.2 Application of the Model for Different Creep-Ageing Histories
	4 Conclusions
	References
Method for Determining the Flow Curve of Steel Considering Work Hardening Behavior
	1 Introduction
	2 Exploring the Effect of Work Hardening on Calibration Curves
	3 Proposal of a Novel Determination Method of Flow Curve
	4 Application to Medium-Carbon Steels
		4.1 Determination of Flow Curve
		4.2 Verification of Load Prediction Accuracy
	5 Conclusion
	References
Consistent Modeling of Thermo-Viscoplasticity for High-Speed Processes
	1 Introduction
	2 Experimental Procedure and Results
		2.1 Stress-Strain Measurement Using Strain Gauges Mounted on SHPB
		2.2 Temperature Measurement Using IR Thermography
		2.3 Experimental Results
	3 Constitutive Modeling
		3.1 Principle of the Modeling
		3.2 Determination of the Variables
		3.3 Application to the Material Under Consideration
		3.4 Extension to Temperature Dependence
	4 Concluding Remarks
	References
Physics-Based Constitutive Model of Bi-metallic Ring Blank by Centrifugal Casting Under Hot Deformation
	1 Introduction
	2 Materials and Experimental Procedure
	3 Results and Discussion
		3.1 Flow Stress Analysis
		3.2 Constitutive Model of WH-DRV Phase
		3.3 Dynamic Recrystallization Modeling
		3.4 Zener–Hollomon Parameter
		3.5 Characteristic Stress and Strain of Hot Deformation
		3.6 Model Validation
	4 Conclusion
	References
User-Defined Material Modelling of Woven Fabric Composites for Strain Rate Dependency and Nonlinear Shear Behaviors
	1 Introduction
	2 Material Testing
		2.1 Testing Setup
		2.2 Tensile Testing
		2.3 Cyclic Tensile - Shear Testing
	3 Continuum Damage Mechanics Model
		3.1 Plasticity and Damage
	4 Validation
		4.1 Coupon Level Validation
		4.2 Three-Point Bending Validation
	5 Conclusion and Summary
	References
A Physical Constitutive Equation for Partial Remelting of AISI D2 Tool Steel in Consideration of Geometrical Morphology and Volume Fraction of Solid Particles in Semisolid Slurry
	1 Introduction
	2 Experiments
		2.1 Material
		2.2 Reheating Experiments
	3 Result
		3.1 Microstructural Observation
		3.2 Analysis and Modeling of Semisolid Tissue Changes During Reheating
	4 Conclusions
	References
Rate-Dependent Hardening Behavior and TRIP Effect in Quenching and Partitioning Steels for Application in Crash Energy-Absorbing Structures
	1 Introduction
	2 Experimental Programme
		2.1 Tested Materials
		2.2 Low-Speed and Dynamic Tensile Test Setup
		2.3 Microstructure Investigation
	3 Results and Discussion
		3.1 Results from Tensile Testing
		3.2 Influence of Strain Rate on Microstructure
		3.3 Discussion of Results
	4 Summary and Conclusion
	References
3-D FE Forming Simulations Accounting for Texture Induced Anisotropy
	1 Introduction
	2 Polycrystalline Model Based on Cazacu et al. [2] Single-Crystal Law
	3 Influence of the Initial Texture of the Material on the Earing Profile for Aluminum Alloy
		3.1 Cube Recrystallized Texture
		3.2 Rolling Texture
	4 Optimization of the Initial Texture
	5 Conclusions
	References
Stress-Free Determination of Yield Locus and Flow Curve Parameters by Partial Full-Field Measurements
	1 Introduction
	2 Method
		2.1 Similitude
		2.2 One-Dimensional Stress-Strain Relations
		2.3 General Stress-Strain Relations
	3 Application
	4 Validation Case-Study
	5 Discussion and Conclusion
	References
Parameter Identification Applying Full-Field Calibration (FFC) Techniques
	1 Introduction
	2 Methodology
		2.1 Optimization of the Specimen Geometry
		2.2 Material Model – Barlat YLD 2000
		2.3 Full-Field Calibration
	3 Optimization Results
	4 Conclusion
	References
Recovering and Hot Deformation Processing of Recycled Spray Formed 7055 Aluminum Alloy Powders
	1 Introduction
	2 Experimental
		2.1 Materials
		2.2 Cold Isostatic Pressing and Hot Extrusion
		2.3 Heat Treatment
		2.4 Thermomechanical Test
	3 Thermal Deformation Behaviour of Spray Formed AA7055
	4 Conclusions
	References
Dynamic Fracture Forming Limit Curve and Modelling of AA5182-O Aluminum Alloy Sheet
	1 Introduction
	2 Dynamic Fracture Forming Limit Curve
		2.1 Experimental Procedure and Results
		2.2 Numerical Results
	3 Fracture Modelling
	4 Conclusion
	References
Mechanical Property Enhancement Due to Plastic Deformation Prior to Peak-Age Hardening in an Al-Mg-Si Aluminium Alloy
	1 Introduction
	2 Experimental Details
	3 Results
		3.1 Ageing Kinetics
		3.2 Mechanical Performance
		3.3 Deformation Structure
	4 Discussion
	5 Conclusions
	References
A More General Orthotropic Strain-Rate Potential Based on the Linear Transformation Method
	1 Introduction
		1.1 The Linear Transformation Method and Duality of Orthotropic Potentials
		1.2 Statement of the Problem
	2 Exact Duality Using a General Orthotropic Transformation
		2.1 von Mises Potentials
		2.2 Proposed Orthotropic Potentials
		2.3 Application Example
	3 Summary
	Appendix
	References
Effects of Tensile and Compressive Stresses on Stress Relaxation Behavior and Mechanical Properties in an Al-Cu Alloy
	1 Introduction
	2 Experimental
		2.1 Materials
		2.2 Experimental Procedure
	3 Results Discussion
		3.1 Stress Relaxation Behavior
		3.2 Yield Strength Variation
		3.3 Microstructural Characterization
	4 Conclusions
	References
A Phenomenological Constitutive Model for the Tension–compression Asymmetry in Magnesium Alloys
	1 Introduction
	2 Proposed Constitutive Model
	3 Results and Discussions
		3.1 Parametric Study: Influence of New Parameters
		3.2 Validation
	4 Conclusions
	References
A Full-Field Calibration Based on DIC for Parameter Identification of 3rd Gen AHSS
	1 Introduction
	2 Mechanical Testing of QP980
	3 Material Models
		3.1 Material Hardening Model
		3.2 Barlat89 Yield Criterion
	4 Material Model Parameter Identification
		4.1 CMC (Based on Force-Displacement Curve)
		4.2 FFC (Based on DIC Full Field Strain)
	5 Results and Discussion
	6 Conclusion
	References
An Improved Physically-Based Constitutive Model for the Hot Deformation Behavior of GH4698 Superalloy by Considering Dynamic Softening Mechanism
	1 Introduction
	2 Materials and Experiments
	3 Results and Discussion
		3.1 Hot Deformation Behaviors
		3.2 Constitutive Modeling of Flow Stress
		3.3 Verification of the Developed Constitutive Model
	4 Conclusions
	References
The Role of the Yield Criterion on Stress and Strain Paths Under Non-proportional Loadings
	1 Introduction
	2 Numerical Model
		2.1 Loading Conditions
		2.2 Constitutive Models: 6K21-T4 Aluminum Alloy
	3 Results and Discussion
	4 Conclusions
	References
Unraveling the Effect of Microstructure on Edge Ductility of Dual-Phase Steels: A Computational Modelling Study
	1 Introduction
	2 Modeling
	3 Results and Discussion
	4 Conclusion
	References
Experimental Characterisation
Inverse Identification of a 3D Anisotropic Yield Function Through an Information-Rich Tensile Test and Multi-sDIC
	1 Introduction
	2 Digital Virtual Twin of the Information-Rich Tensile Test
	3 Multi-sDIC and FEMU
		3.1 Material Model
		3.2 Results and Discussion
	4 Experimental Validation
		4.1 Results and Discussion
	5 Conclusions
	Appendix
	References
Deformation Behavior of X70 Pipeline Steel Under Hot Straightening Condition
	1 Introduction
	2 Material and Experimental Procedure
		2.1 Materials
		2.2 High-Temperature Cyclic Tensile Test
		2.3 High-Temperature Cyclic Tensile Test Parameters and Scheme
		2.4 Microstructure Experiments
	3 Results and Discussion
		3.1 Stress-Strain Response of X70 Pipeline Steel Under High-Temperature Cyclic Tensile Loading Conditions
		3.2 Microstructure After High Temperature Cyclic Tensile Test
	4 Conclusions
	References
Increasing the Occurring Normal Stresses in Conical Tube-Upsetting Test Using Adapted Specimen Geometries
	1 Introduction and State of the Art
	2 Methods
	3 Results and Discussion
	4 Conclusion
	References
Improvement of a Testing Method of Cold Forging Performance of Steel Wires
	1 Introduction
	2 Principle of Testing Method
	3 Elimination of Effect of Elastic Deformation of Tools
		3.1 Simulation Conditions
		3.2 Elastic Deformation of Punch
		3.3 Elastic Deformation of Die
	4 Modification Method of the Parameters of the Flow Curve
		4.1 Modification Method
		4.2 Numerical Experiments
	5 Change of Friction Coefficient by Temperature Increase
		5.1 Variation of Calculated Friction Coefficient with Increasing Punch Stroke
		5.2 Change of Friction Coefficient During Testing
	6 Conclusions
	References
Rapid Heating Process of High Strength Steel Zinc-Iron Coated Plate and Its Effect on Deformation Characteristic
	1 Introduction
	2 Experimental Materials and Methods
	3 Experimental Results and Analysis
		3.1 Analysis of High Temperature Deformation under Different Alloying Degrees
		3.2 Analysis of High Temperature Deformation at Different Deformation Temperatures
	4 Conclusion
	References
Comparison of Several Methods for Measuring Elasticity Coefficients
	1 Introduction
	2  Different Measurement Methods
		2.1 Method of Measurement by Tensile Test with Extensometer
		2.2 Method of Measurement by Tensile Test with Strain Gauge
		2.3 Method by Bending Vibration Frequency Measurement at Resonance
		2.4 Method by Vibration Frequency Measurement in Transient Wave (Damping)
		2.5 Method by Ultrasound
		2.6 Method by Magnetostriction
	3 Results and Discussion
	References
Effect of ECAP Process on the Activation of Deformation Mechanisms During Subsequent Uniaxial Tension of Mg-ZEWK2000 Sheets
	1 Introduction
	2 Experimental Procedure
	3 Results
		3.1 Microstructure
		3.2 Mechanical Behavior
	4 Discussion
	5 Conclusions
	References
In-plane Torsion Tests, Toward Large Strains Under Monotonic and Cyclic Loading of Sheet Metals
	1 Introduction
	2 Theory
	3 Non-associated Anisotropic Plasticity Model
		3.1 Application to Uniaxial Tension
		3.2 Application to In-plane Torsion
	4 Experimental Evidence
	5 Conclusion
	References
Interface Evolution and Mechanical Properties of the Solid State Recycled Mg-Gd-Y-Zn-Zr Alloy During Rotary Extrusion
	1 Introduction
	2 Materials and Experimental Methods
	3 Results and Discussion
	4 Conclusion
	References
High-Temperature Tensile Testing of Metal Tubes with Small Diameters by Resistance Heating Method
	1 Introduction
	2 Experiments
		2.1 Experimental Setup and Measurement Principle
		2.2 Material and Experimental Procedure
	3 Results and Discussions
		3.1 Temperature of the Tube
		3.2 Stress-Strain Curves
		3.3 Full-Field Strain
	4 Conclusions
	References
Author Index