Mathematical and Physical Simulation of the Properties of Hot Rolled Products

Introduction

Steel Production.

Future Changes of Personnel.

Competition from Other Materials.

Current Concerns.

The Rolling Process.

Improvements of the Rolling Process.

The Contents of the Book.

Tribology of Flat Rolling and The Boundary Conditions

The Tribological System.

Interactions at the Surface of Contact.

The Dependence of Interfacial Phenomena on Process and Material Parameters.

Roll Wear.

Case Studies.

Boundary Conditions.

The Resistance of the Material to Deformation

Tension, Torsion and Compression Testing.

Potential Problems Encountered During Mechanical Testing.

Representation of True Stress-True Strain Curves.

Case Studies.

One-Dimensional Modeling of the Flat Rolling Process

Free-Body Diagram of the Roll-Strip System.

An Empirical Model.

The Traditional Models - Orowan, Sims, Bland and Ford

Refinements of Orowan Model.

A Model with no Friction Hill.

Sensitivity of the Roll Force and the Torque to Some of the Parameters.

The Predictive Ability of the One-Dimensional Models.

The Finite-Element Method in Metal Forming

Rigid-Plastic Finite-Element Method.

Elasto-Plastic Finite-Element Model.

Heat Transfer.

Case Studies.

Microstructure Evolution and Mechanical Properties of the Final Product

Conventional Microstructure Evolution Models.

Properties at Room Temperature.

Substantiation of Thermal-Mechanical-Microstructural Models.

The Internal Variable Method.

Case Studies - Industrial Applications.

Shape Rolling

Generalized Plane Strain Approach.

Case Studies.

Parameter Evaluation in Metal Forming

Parameter Evaluation - The Inverse Analysis.

Optimization Techniques.

Case Studies.

Knowledge Based Modelling

Knowledge in Hot Rolling.

Knowledge Acquisition.

Numerical Data for Decision-Making.

Data and Data Mining in Hot Rolling.

Numerical Data Covering the Gaps in Knowledge.

Case Studies.

Conclusions

References

Author Index

Subject Index