Overview

The steelmaking industry and its customers have benefited enormously from the many significant technological advances of the last thirty years. As their customers become ever more quality conscious, however, steelmakers must continue their efforts to minimize harmful impurities, minimize as well as modify harmful nonmetallic inclusions and achieve the optimum casting temperature, content of alloying elements, and homogeneity. These improvements can come only through the diverse refinement processes that together comprise ""secondary steelmaking."" Secondary Steelmaking: Principles and Applications reviews the scientific fundamentals and explores the various unit processes associated with secondary steelmaking. Synthesizing the science and its technology, the author examines the relevant reactions and phenomena, presents an integrated picture of ""clean steel"" manufacture, and provides an overview of the mathematical modeling important to process research. Solved examples, ample references, and summaries of recent technological advances mean that the steelmaking industry finally has a comprehensive reference, in English, for the all-important secondary steelmaking processes. Students and instructors, steelmakers and R & D engineers will welcome the author's readable style, his knowledge, and his expertise, all gleaned from decades of experience in research, academic, and industrial settings.

Full Product Details

Author:   Ahindra Ghosh (Indian Institute of Technology, Kanpur, India)
Publisher:   Taylor & Francis Inc
Imprint:   CRC Press Inc
Dimensions:   Width: 17.80cm , Height: 2.00cm , Length: 25.40cm
Weight:   0.794kg
ISBN:  

9780849302640

ISBN 10:   0849302641
Pages:   344
Publication Date:   01 December 2000
Audience:   College/higher education ,  General/trade ,  Professional and scholarly ,  Undergraduate ,  General
Format:   Hardback
Publisher's Status:   Out of Print
Availability:   Out of print, replaced by POD  
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Table of Contents

INTRODUCTION History of Steelmaking Trends in Steel Quality Demands Scientific Fundamentals Process Control METALLURGICAL THERMODYNAMICS introduction First and Second Law of Thermodynamics Chemical Equilibrium DG o for Oxide Systems Activity- Composition Relationships: Concentrated Solutions Activity - Composition Relationships : Dilute Solutions Chemical Potential And Equilibrium Slag Basicity and Capacities FLUID FLOW Basics of Fluid Flow Fluid Flow in Steel Melts in Gas- Stirred Ladles MIXING, MASS TRANSFER AND KINETICS Introduction Mixing in Steel Melts in Gas-Stirred Ladles Kinetics of Reactions amongst Phases Mass Transfer in Gas -Stirred Ladle Mixing vs. Mass Transfer Control DEOXIDATION OF LIQUID STEEL Thermodynamics of Deoxidation of Molten Steel Kinetics of Deoxidation of Molten Steel Deoxidation in Industry DEGASSING AND DECARBURIZATION OF LIQUID STEEL Introduction Thermodynamics of Reactions in Vacuum Degassing Fluid Flow and Mixing in Vacuum Degassing Rates of Vacuum Degassing and Decarburization Decarburization for Ultra - Low Carbon and Stainless Steel DESULFURIZATION IN SECONDARY STEELMAKING Introduction Thermodynamic Aspects Desulfurization with only Top Slag Injection Metallurgy for Desulfurization MISCELLANEOUS TOPICS Introduction Gas Absorption During Tapping and Teeming from Surrounding Atmosphere Changes of Temperature of Molten Steel during Secondary Steelmaking Phosphorous Control in Secondary Steelmaking Nitrogen Control in Steelmaking INCLUSIONS AND INCLUSION MODIFICATION Introduction Influence of Inclusions on Mechanical Properties of Steel Inclusion Identification and Cleanliness Assessment Origin of Non - Metallic Inclusions Formation of Inclusions During Solidification Inclusion Modification CLEAN STEEL TECHNOLOGY Introduction Summary of Earlier Chapters Refractories for Secondary Steelmaking Tundish Metallurgy for Clean Steel MODELING OF SECONDARY STEELMAKING PROCESSES ( Contributed by Dr. D. Mazumdar) Introduction Modeling Techniques Modeling of Turbulent Fluid Flow Phenomena Modeling of Material And Thermal Mixing Phenomena Modeling of Heat and Mass Transfer Between Solid Additions and Liquid Steel Concluding Remarks

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