Flat Rolling Fundamentals
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Summary
This volume compiles information from physics, metallurgy, and mechanical and electrical engineering to epitomize the fundamental characteristics of flat rolling steel. Flat Rolling Fundamentals is drawn from in-depth analyses of metal properties and behaviors to technologies in application. The book provides a full characterization of steel, including structure, chemical composition, classifications, physical properties, deformation, and plasticity. The authors present different types of rolling mills and the defining physical analytical parameters.They also discuss the effects of hot rolling on steel and the role of lubrication and thermomechanical treatments to minimize these effects. This book presents qualitative and quantitative advances in cost-effective steel production.
Table of Contents
Principle characteristics of steel: structure of metals; metallurgical characteristics of steel; chemical compositions of steel; classification of steel; physical properties of steel products; metallurgical factors controlling the properties of steels. Deformation of steel: microscopic and macroscopic plasticity; analysis of workpiece deformation; resistance to deformation in hot rolling; roll force and torque in flat rolling; friction and lubrication in rolling. Metallurgical aspects of hot rolling process: heat transfer in hot rolling; structural changes in steel during hot rolling; thermomechanical treatment combined with rolling; metallurgical defects in cast slabs and hot rolled products. Rolling mills for flat products: types of rolling mills; optimisation and modernisation of hot strip mills. Geometry of flat rolled products: definition of geometrical parameters of rolled products; standard dimensional tolerance; statistical and analytical dimensional tolerance. Gauge control: principles of measurement of rolling parameters; causes of gauge variation; gauge control sensors an actuators; automatic gauge control systems. Width control: basic principles of width change; width change by rolling and pressing; optimisation and control of width change process. Profile and flatness control: strip profile and flatness analysis; roll thermal expansion and wear; backup rolls with specific profiles; roll deformation and displacement systems; strip profile and flatness control systems.
