Mathematical Modelling of Weld Phenomena Series, Volume 3

CONTENTS......Page 6
Introduction......Page 12
Section I WELD POOL PHENOMENA......Page 14
Nitrogen Dissolution in the Weld Metal - Current Status and Research
Opportunities......Page 16
Numerical and Experimental Investigation of Conduction-Mode Laser
Weld Pools......Page 54
Quantitative Prediction of Nitrogen Absorption by Steel During Gas
Tungsten Arc Welding......Page 77
Section II SOLIDIFICATION......Page 96
Numerical Simulation of Dendritic Solidification with Modified
Cellular Automata......Page 98
A modified Cellular Automata Model for Grain Growth Simulation......Page 119
On the Thermomechanical Conditions for Weld Metal Solidification
Cracking......Page 127
Section III MICROSTRUCTURAL MODELLING......Page 162
Microstructure Modelling in Weld Metal......Page 164
Modelling of Allotriomorphic Ferrite in Steel Welds......Page 194
Modelling Phase Transformation Behaviour during Thermal
Cycling in the Heat-Affected Zone of Stainless Steel Welds......Page 212
Modelling of LBZ (Local Brittle Zone) in Heavy Steel Plate
Weldments......Page 231
Section IV MICROSTRUCTURE AND MECHANICAL PROPERTIES......Page 240
Models for the Elementary Mechanical Properties of Steel Welds......Page 242
Prediction of the Influence of Boron on the HAZ Microstructure
and Toughness......Page 298
Regression Modelling of the Hardenability of Low Alloyed Steels......Page 308
Section V 
MODELLING DEDICATED TO DIFFERENT MATERIALS......Page 324
Metallurgical Modelling of Welding of Aluminium Alloys......Page 326
Section VI MODELLING TOOLS......Page 370
Bayesian Non-Linear Modelling with Neural Networks......Page 372
Classification of Weld Bead Geometry in GMA-Welding with
Neural Networks......Page 403
Modelling the Mechanical Properties in the HAZ of Power Plant
Steels I: Bayesian Neural Network Analysis of Proof Strength......Page 416
A New Tool for Modelling of Weldability......Page 456
Influence of Material Properties at High Temperatures on the
Modelling of Welding Residual Stress and Deformation State......Page 469
A Software Package for Analysis of Weldability and Welding
Technology of Alloyed Steels......Page 477
Weldability Analysis Based on Probabilistic Approach to Reliability
and Weakening of Welded Joints......Page 485
Section VII MODELLING IN VARIOUS COUNTRIES......Page 500
Modelling Activities in Japan......Page 502
Development of Numerical Analysis on Welding in China......Page 544
Section VIII RESIDUAL STRESSES AND DISTORTION......Page 554
Thermal Stress Analysis in Solids Near the Liquid Region in Welds......Page 556
Modelling of Residual Stresses and Distortion Development......Page 584
FEM Analysis on Welding Residual Stresses in T-Type Fillet Welds......Page 603
Calculations of Restraint Intensities by Finite Element Analysis
for the Assessment of Weldability......Page 619
Calculation of Restraint Intensities at Large Offshore Steel
Structures by Finite Element Analysis......Page 637
Modelling Residual Stresses in Weldments of Work-hardened
Aluminium Alloys with Microstructural Effects......Page 665
Analysis of Repair Weld Residual Stresses in Vessel-Type Structures......Page 679
Residual Stresses after Repairing Components of a Nuclear Power Plant......Page 692
Simulation of Out-of-Plane Deformation in Butt Welding of
Large Size Steel Plate......Page 702
Section IX BEHAVIOUR OF HYDROGEN IN WELDMENTS......Page 726
Numerical Simulation of the Hydrogen Accumulation at the
Microscopic Scale in a Low-Alloy Steel Weldment......Page 728
Finite Element Calculations of Pre- and Post-heating Procedures for Sufficient Hydrogen Removal in Butt Joints......Page 739
Hydrogen Effusion under Isothermal and Non-Isothermal
Conditions from Mild Steel Welds......Page 770
Problems and a Possibility of Cold Cracking
Sensitivity Prediction......Page 788
Section X MODELLING OF WELDING PROCESSES......Page 802
Modelling of the MAG Process for Pre-Welding Planning......Page 804
Numerical Simulation for Transient Behaviour of Fluid Flow
and Heat Transfer in Stationary Pulsed Current TIG Weld Pool......Page 830
Weld Bead Geometry Prediction for Low Frequency Pulsed SA
Welding......Page 848
TIG and Plasma Arc Modelling: A Survey......Page 861
Numerical Simulation of Three-Dimensional Heat and Momentum
Transfer in GMA Welding......Page 911
Modelling of Laser Welding of Carbon Manganese Steels......Page 930
Three-Dimensional Finite Element Analysis of Deformation
Produced by Synchronous Rolling During Welding......Page 945
Weldability Analysis of Spot Welding on Aluminium Using FEM......Page 957
Author Index......Page 980
Subject Index......Page 982