Technical papers

Renault employs ESI QuikCAST to Define Standards for Quality Castings
THE CHALLENGE To define design rules for filling & feeding systems across different product lines to enhance competitiveness and achieve quality casting production. THE STORY Traditional methods in the past had…
Casting

Added Value of Process Modelling in Development of Automotive Die Casting Parts
Porosity in high performance castings can reduce mechanical properties and consequently degrade both component life and durability. Automotive Market increasingly requests High Performance Castings with high structural…
Casting Die Casting, HPDC, part design, die design, casting development loop, digital tuning, die cycling, simulation, Porosity, Workflow, Macros, Automatization, Renault, ESI

The Practical and Effective Deployment of Virtual Casting
It can be an interesting journey when a foundry moves from quite conventional process design methods to one based on virtual prototyping technology, i.e. computational or virtual casting. Specific examples are discussed…
Casting

Electric Steelmaking Coupled Multiphysics Simulation by Finite Elements
State of the art computer aided coupled multiphysics simulation tools can be advantageous in the understanding and design of industrial processes. This paper presents such a tool for electric steelmaking, metallurgical…
Casting, CFD STEELMAKING, CASTING, METALLURGY, INDUCTION HEATING, MAGNETIC STIRRING, SURFACE HARDENING, FINITE ELEMENTS, EDGE ELEMENTS, COUPLED MULTIPHYSICS, COMPUTER SIMULATION

Verification Of Continuous Casting Process Of Steel Round Billets Using Numerical Modelling
Continuous casting technology is currently the primary method in production of steel billets and slabs. The primary and secondary cooling must ensure the continuous casting of steel without strand breakouts and other…
Casting Steel, continuous casting, numerical modelling, metallurgical length, hot tears

Hydrogen Tracking In Production Of A Special Forging: From Ingot Casting To Heat Treatment Using Simulation
Hydrogen has been and always will be a source of various problems within steel production because of its generally detrimental effects on processing characteristics and service performance of steel products.…
Casting Hydrogen Flakes, Microstructure, Casting Simulation, Forging Simulation, Heat Treatment Simulation

Virtualization Of High Vacuum And High Performance HPDC Machine For Top Quality Casting
OEM and automotive market is driven foundry suppliers to high performance castings: high structural integrity, high mechanical properties, welding and heat treatment. These requirements are typically obtain with gravity…
Casting HPDC, CASTING SIMULATION SOFTWARE, VACUUM DIE CASTING, DCM, MACHINE

Low Transformation Temperature Welding Consumables for Residual Stress Management: A Numerical Model for the Prediction of Phase TransformationInduced Compressive Residual Stresses
Harmful tensile residual stresses are observed in structural steel weld joints as a result of the thermal strains between the solidified weld metal and surrounding base material. These harmful stresses, superimposed on …
Welding & Assembly Low Transformation Temperature Welding Consumables,Martensitic Transformation, PhaseInduced Volumetric Expansion, Residual Stress Management, Compressive Residual Stress, Numerical Analysis, Residual Stress Evolution with Time

Microporosity Prediction and Validation for Ni-based Superalloy Castings
Microporosity in high performance aerospace castings can reduce mechanical properties and consequently degrade both component life and durability. Therefore, casting engineers must be able to both predict and reduce…
Casting

Low Transformation Temperature Welding Consumables For Residual Stress Management: Consumables Development And Testing Qualification
Residual stresses induced during joining are major contributors to the overall stresses in the vicinity of structural weld joints. Undesirable tensile residual stress is observed in low-carbon structural steel weld…
Welding & Assembly Low-Transformation-Temperature Welding Consumables, Martensitic Transformation, Phase-Induced Volumetric Expansion, Residual Stress Management, Compressive Residual Stress, Fatigue Strength, Microstructures, Microhardness