The result of a fruitful, on-going collaboration between academia and industry, this book reviews recent advances in research on oxide scale behavior in high-temperature forming processes. Presenting novel, previously neglected approaches, the authors emphasize the pivotal role of reproducible experiments to elucidate the oxide scale properties and develop quantitative models with predictive accuracy. Each chapter consists of a detailed, systematic examination of different aspects of oxide scale formation with immediate impact for researchers and developers in industry.
The clear and stringent style of presentation makes this monograph both coherent and easily readable.
İçerik tablosu
Preface
INTRODUCTION
A PIVOTAL ROLE OF SECONDARY OXIDE SCALE DURING HOT ROLLING AND FOR SUBSEQUENT PRODUCT QUALITY
Friction
Heat Transfer
Thermal Evolution in Hot Rolling
Secondary Scale-Related Defects
SCALE GROWTH AND FORMATION OF SUBSURFACE LAYERS
High-Temperature Oxidation of Steel
Short-Time Oxidation of Steel
Scale Growth at Continuous Cooling
Plastic Deformation of Oxide Scales
Formation and Structure of the Subsurface Layer in Aluminum Rolling
METHODOLOGY APPLIED FOR NUMERICAL CHARACTERIZATION OF OXDIE SCALE IN THERMOMECHANICAL PROCESSING
Combination of Experiments and Computer Modeling: A Key for Scale Charaterization
Prediction of Mild Steel Oxide Failure at Entry Into the Roll Gap as an Example of the Numerical Characterization of the Secondary Scale Behavior
MAKING MEASUREMENTS OF OXIDE SCALE BEHAVIOR UNDER HOT WORKING CONDITIONS
Laboratory Rolling Experiments
Multipass Laboratory Rolling Testing
Hot Tensile Testing
Hot Plane Strain Compression Testing
Hot Four-Point Bend Testing
Hot Tension Compression Testing
Bend Testing at the Room Temperature
NUMERICAL INTERPRETATION OF TEST RESULTS: A WAY TOWARD DETERMINING THE MOST CRITICAL PARAMETERS OF OXIDE SCALE BEHAVIOR
Numerical Interpretation of Modified Hot Tensile Testing
Numerical Interpretation of Plain Strain Compression Testing
Numerical Interpretation of Hot Four-Point Bend Testing
Numerical Interpretation of Hot Tension-Compression Testing
Numerical Interpretation of Bend Testing at Room Temperature
PHYSICALLY BASED FINITE ELEMENT MODEL OF THE OXIDE SCALE: ASSUMPTIONS, NUMERICAL TECHNIQUES, EXAMPLES OF PREDICTION
Multilevel Analysis
Fracture, Ductile Behavior, and Sliding
Delamination, Multilayer Scale, Scale on Roll, and Multipass Rolling
Combined Discrete/Finite Element Approach
UNDERSTANDING AND PREDICTING MICROEVENTS RELATED TO SCALE BEHAVIOR AND FORMATION OF SUBSURFACE LAYERS
Surface Scale Evolution in the Hot Rolling of Steel
Crack Development in Steel Oxide Scale Under Hot Compression
Oxide Scale Behavior and Composition Effects
Surface Finish in the Hot Rolling of Low-Carbon Steel
Analysis of Mechanical Descaling: Low-Carbon and Stainless Steel
Evaluation of Interfacial Heat Transfer During Hot Steel Rolling Assuming Scale Failure Effects
Scale Surface Roughness in Hot Rolling
Formation of Stock Surface and Subsurface Layers in Breakdown Rolling of Aluminum Alloys
OXIDE SCALE AND THROUGH-PROCESS CHARACTERIZATION OF FRICTIONAL CONDITIONS FOR THE HOT ROLLING OF STEEL: INDUSTRIAL INPUT
Background
Brief Summary of the Main Friction Laws Used in Industry
Industrial Conditions Including Descaling
Recent Developments in Friction Models
Application of Hot Lubrication
Laboratory and Industrial Measurements and Validation
Industrial Validation and Measurements
Conclusions and Way Forward
Yazar hakkında
Michal Krzyzanowski is currently research fellow at the University of Sheffield, UK, in the Department of Engineering Materials. Graduated as physicist he obtained his Ph D and DSc degrees in materials science. He was appointed Associate Professor in 1997 at the University of Science and Technology in Krakow, Poland. In 1998, he accepted the invitation of the University of Sheffield to work in the newly founded, multidisciplinary Institute for Microstructural and Mechanical Process Engineering (IMMPETUS). At IMMPETUS, Michal Krzyzanowski conducts his research on thermomechanical metal processing with a focus on characterization and multiscale modelling, application of principles of physics into the detailed numerical analysis.
John H. Beynon is Dean of the Faculty of Engineering and Industrial Sciences at Swinburne University of Technology, Melbourne, Australia. He was awarded his Ph D in Metallurgy from the University of Sheffield in 1980. Professor Beynon is a fellow of the Institute of Materials, Minerals and Mining, the Institution of Engineers Australia and the Royal Academy of Engineering. His main area of research is the study of the interaction of materials science and applied mechanics to solve engineering problems, particularly in thermomechanical processing and structural integrity, by using computer-based modeling, experiment and industrial input.
Didier C. J. Farrugia is currently scientific fellow at Corus Swinden Technology Centre in Rotherham, UK, and a fellow of the Institute of Materials, Minerals and Mining (IOM3). After graduating with a Ph D at the CEMEF, Mines-Paris Tech in 1990, he has worked for more than 19 years in the steel R&D industry where his research activities include metal forming, material science, modeling, numerical techniques and tribology. Didier Farrugia has set up and managed major collaborative programs, and has been involved in technology transfer, implementation and exploitation within both industry and academia for many years. In recognition of his achievements, he was awarded the 2008 Dowding Medal and Prize.
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