Modelling Hot Deformation Of Steels

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Modelling Hot Deformation of Steels

Author : John G. Lenard
Publisher : Springer Science & Business Media
Page : 154 pages
File Size : 51,8 Mb
Release : 2013-04-17
Category : Technology & Engineering
ISBN : 9783642525155

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Modelling Hot Deformation of Steels by John G. Lenard Pdf

Computer Aided Engineering may be defined as an approach to solving tech nological problems in which most or all of the steps involved are automated through the use of computers, data bases and mathematical models. The success of this ap proach, considering hot forming, is tied very directly to an understanding of material behaviour when subjected to deformation at high temperatures. There is general agreement among engineers that not enough is known about that topic -and this gave the initial impetus for the project described in the present study. The authors secured a research grant from NATO (Special Research Grant #390/83) with a mandate to study the "State-of-the-Art of Controlled Rolling". What follows is the result of that study. There are five chapters in this Monograph. The first one, entitled "State-of-the Art of Controlled Rolling" discusses industrial and laboratory practices and research designed to aid in the development of microalloyed steels of superior quality. Follow ing this is the chapter "Methods of Determining Stress-Strain Curves at Elevated Temperatures". The central concern here is the material's resistance to deformation or in other words, its flow strength, the knowledge of which is absolutely essential for the efficient and economical utilization of the computers controlling the rolling process.

Modeling Steel Deformation in the Semi-Solid State

Author : Marcin Hojny
Publisher : Springer
Page : 302 pages
File Size : 53,7 Mb
Release : 2017-09-07
Category : Technology & Engineering
ISBN : 9783319679761

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Modeling Steel Deformation in the Semi-Solid State by Marcin Hojny Pdf

This book offers a unique approach to integrated high-temperature process modelling, intended to serve as a design aid for new metal processing technologies. The second edition has been substantially expanded to include new content such as: a new algorithm and test results of 3D stereoscopic visualization; new programming procedures for modelling; the validation of computer simulation using experimental results; a multiscale model of grain growth; a conceptual methodology developing “high-temperature” CCT (continuous cooling transformation) diagrams, and many more examples validating the numerical simulations. The models presented are applied in comprehensive tests in order to solve problems related to the high-temperature deformation of steel. The testing methods include both physical tests using specialist laboratory instruments, and advanced mathematical modelling: the Finite Element method (FE), Smoothed Particle Hydrodynamics method (SPH) and Mo nte Carlo method (MC).This approach, which integrates the fields of physical and computer-based simulations, forms the basis for the described concept of integrated high-temperature process modelling, presented in detail in this book.

Handbook of Thermal Process Modeling Steels

Author : Cemil Hakan Gur,Jiansheng Pan
Publisher : CRC Press
Page : 754 pages
File Size : 42,6 Mb
Release : 2008-12-22
Category : Technology & Engineering
ISBN : 9781420003581

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Handbook of Thermal Process Modeling Steels by Cemil Hakan Gur,Jiansheng Pan Pdf

An Emerging Tool for Pioneering Engineers Co-published by the International Federation of Heat Treatment and Surface Engineering.Thermal processing is a highly precise science that does not easily lend itself to improvements through modeling, as the computations required to attain an accurate prediction of the microstructure and properties of work

Hot Working Guide

Author : Y. V. R. K. Prasad,S. Sasidhara
Publisher : ASM International
Page : 566 pages
File Size : 48,7 Mb
Release : 1997-01-01
Category : Technology & Engineering
ISBN : 1615032029

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Hot Working Guide by Y. V. R. K. Prasad,S. Sasidhara Pdf

A unique source book with flow stress data for hot working, processing maps with metallurgical interpretation and optimum processing conditions for metals, alloys, intermetallics, and metal matrix composites. The use of this book replaces the expensive and time consuming trial and error methods in process design and product development.

Advances in Plastic Forming of Metals

Author : Myoung-Gyu Lee,Yannis P. Korkolis
Publisher : MDPI
Page : 283 pages
File Size : 54,7 Mb
Release : 2018-10-18
Category : Electronic books
ISBN : 9783038972600

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Advances in Plastic Forming of Metals by Myoung-Gyu Lee,Yannis P. Korkolis Pdf

This book is a printed edition of the Special Issue "Advances in Plastic Forming of Metals" that was published in Metals

Hot Deformation and Processing of Aluminum Alloys

Author : Hugh J. McQueen,Stefano Spigarelli,Michael E. Kassner,Enrico Evangelista
Publisher : CRC Press
Page : 596 pages
File Size : 43,8 Mb
Release : 2016-04-19
Category : Technology & Engineering
ISBN : 9781420017687

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Hot Deformation and Processing of Aluminum Alloys by Hugh J. McQueen,Stefano Spigarelli,Michael E. Kassner,Enrico Evangelista Pdf

A comprehensive treatise on the hot working of aluminum and its alloys, Hot Deformation and Processing of Aluminum Alloys details the possible microstructural developments that can occur with hot deformation of various alloys, as well as the kind of mechanical properties that can be anticipated. The authors take great care to explain and differenti

Thermo-Mechanical Simulation and Processing of Steels

Author : B. K. Jha,S. Srikanth,Anjana Deva,D. Karmakar,S. Mitra Mazumdar,S. Varadarajan
Publisher : MV Learning
Page : 0 pages
File Size : 54,8 Mb
Release : 2016-03-30
Category : Science
ISBN : 9385919911

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Thermo-Mechanical Simulation and Processing of Steels by B. K. Jha,S. Srikanth,Anjana Deva,D. Karmakar,S. Mitra Mazumdar,S. Varadarajan Pdf

Thermo-mechanical simulation is a very effective tool to understand the combined effect of heat and deformation on resulting microstructure and properties of steel and other material. Leading experts worldwide engaged in this important area of research have generated a plethora of valuable information. This compendium showcases some of the recent advancements made in this vibrant field of materials' research. Wide ranging themes covered in this compendium include inter alia recrystallization, precipitation & grain growth; simulation of hot deformation processes; Niobium microalloyed steels; thermo-mechanical controlled processing; hot deformation behaviour of stainless steels; mathematical modelling of metallurgical processes; process optimization & quality improvement; structure-property correlation; emerging steel products; welding process & simulation; and materials processing & characterization. The wealth of information contained in this book will definitely help in steering the future course of research in this highly exciting field, leading to new material development, process optimisation and quality & yield improvement.

A Modeling and Experimental Study of Deformation and Hot Tearing in Steel

Author : Charles Andrew Monroe
Publisher : ProQuest
Page : 382 pages
File Size : 48,6 Mb
Release : 2008
Category : Steel
ISBN : 1109023820

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A Modeling and Experimental Study of Deformation and Hot Tearing in Steel by Charles Andrew Monroe Pdf

A three-phase model is presented that predicts solid deformation and damage as well as melt pressure, feeding flow, and shrinkage porosity. A viscoplastic constitutive theory with damage is used to model the solid deformation. Damage is a scalar quantity based on ductile fracture theory which is calculated from the inelastic volume deformation. This associative model smoothly transitions from rate-dependent behaviour at high temperatures to rate-independent behaviour at lower temperatures. The damage created by mechanically induced voiding is proposed as a new hot tear criterion. Hot tears are believed to initiate from locations with significant damage. The liquid feeding and shrinkage porosity is coupled to the solid deformation which enables the final damage prediction to be more accurate than previous hot tear criteria. This model has been successfully implemented in a general-purpose casting simulation code. Novel steel casting experiments have been designed and performed which measure the deformation and force from solidification to shakeout. Under certain experimental conditions, hot tears form in the test castings and the deformation and force during hot tear formation is also measured. The measured and predicted deformations and forces show good agreement with the simulation results. Furthermore, the damage predictions show good correspondence with hot tear indications on radiographs of the test castings.

Sensors, Mechatronics and Automation

Author : Seung Bok Choi,Prasad Yarlagadda,Mohammad Abdullah-Al-Wadud
Publisher : Trans Tech Publications Ltd
Page : 1318 pages
File Size : 41,8 Mb
Release : 2014-02-06
Category : Technology & Engineering
ISBN : 9783038263982

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Sensors, Mechatronics and Automation by Seung Bok Choi,Prasad Yarlagadda,Mohammad Abdullah-Al-Wadud Pdf

Collection of selected, peer reviewed papers from the 2013 International Conference on Sensors, Mechatronics and Automation (ICSMA 2013), December 17-18, 2013, Kunming, China. Volume is indexed by Thomson Reuters CPCI-S (WoS). The 244 are grouped as follows: Chapter 1: Applied Materials Science and Processing Technology Chapter 2: Sensors and Applications Chapter 3: Measurement Theory and Its Application Chapter 4: Measurement Technology and Instruments Chapter 5: Signal and Information Processing Technology Chapter 6: Image and Video Processing Chapter 7: Structural Engineering Analysis, CAD Optimized Design and Intelligent Control Chapter 8: Design and Control in Modern Engineering System Chapter 9: Modern Circuits and Embedded Systems Chapter 10: Industrial Engineering Chapter 11: Robotics Chapter 12: Optimization and Control Algorithms Chapter 13: Control System Modeling and Simulation Technology Chapter 14: Electric Automation, Control, Design and Analysis Chapter 15: Software, Computer Applications and Numerical Methods

Mathematical and Physical Simulation of the Properties of Hot Rolled Products

Author : Maciej Pietrzyk,L. Cser,J.G. Lenard
Publisher : Elsevier
Page : 377 pages
File Size : 47,5 Mb
Release : 1999-07-05
Category : Computers
ISBN : 9780080525686

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Mathematical and Physical Simulation of the Properties of Hot Rolled Products by Maciej Pietrzyk,L. Cser,J.G. Lenard Pdf

The objective of this publication is to comprehensively discuss the possibilities of producing steels with pre-determined attributes, demanded by the customer to fit exacting specifications. The information presented in the book has been designed to indicate the reasons for the expenses and to aid in the process of overcoming the difficulties and reducing the costs. In nine detailed chapters, the authors cover topics including: • steel as a major contributor to the economic wealth of a country in terms of its capabilities and production • current concerns of major steel producers • phenomena contributing to the quality of the product • information concerning the boundary conditions of the rolling process and initial conditions, put to use by mathematical models • the solid state incremental approach and flow formulation • parameters and variables - most of which make use of the exponential nature of phenomena that are activated by thermal energy • the application of three dimensional analysis to shape rolling • the evaluation of parameters by a form of inverse analysis to the flat rolling process • knowledge based modeling, using artificial intelligence, expert systems and neural networks They conclude that when either mathematical or physical modeling of the rolling process is considered and the aim is to satisfy the demands for customers, it is possible to produce what the customer wants, exactly.

Advances in Materials and Processing Technologies II

Author : M.S.J. Hashmi,S. Mridha,S. Naher
Publisher : Trans Tech Publications Ltd
Page : 2000 pages
File Size : 49,9 Mb
Release : 2011-06-30
Category : Technology & Engineering
ISBN : 9783038135845

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Advances in Materials and Processing Technologies II by M.S.J. Hashmi,S. Mridha,S. Naher Pdf

Volume is indexed by Thomson Reuters CPCI-S (WoS). Advanced Materials and Processing are important areas of research in Engineering Science and Technology, which have to focus on bridging the critical gap between researchers and engineers in order to shape the new world. Advanced Materials and Processing play an increasingly important role in the global economy and in daily life. Researchers and engineers strive to develop new devices and processes, using mathematical and analytical tools, in order to create technologies for a rapidly expanding range of materials and manufacturing processes. A large proportion of the present papers addressed current scientific research and provided solutions to industrial problems; thereby creating an environment of mutual interest to industry and academia. The papers are grouped into 10 chapters: 1. Forming Processes, 2. Casting, Joining and Related Processes, 3. Materials, 4. Materials Removal Processes, 5. High Energy Beam Removal Process, 6. Precision Engineering and Nano-Technology, 7. Surface Engineering, 8. Computer-Aided Engineering, 9. Green Manufacturing and Management, 10. Others. This comprehensive coverage will be much appreciated by readers.