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| Author | : John G. Lenard |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 154 |
| Release | : 2013-04-17 |
| Genre | : Technology & Engineering |
| ISBN | : 3642525156 |
Download Modelling Hot Deformation of Steels Book in PDF, ePub and Kindle
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.
| Author | : Y. V. R. K. Prasad |
| Publisher | : ASM International |
| Total Pages | : 566 |
| Release | : 1997-01-01 |
| Genre | : Technology & Engineering |
| ISBN | : 9781615032020 |
Download Hot Working Guide Book in PDF, ePub and Kindle
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.
| Author | : |
| Publisher | : |
| Total Pages | : |
| Release | : 1997 |
| Genre | : |
| ISBN | : |
Download Computer Assisted Modelling of Metallurgical Aspects of Hot Deformation and Transformation of Steels Book in PDF, ePub and Kindle
| Author | : Marcin Hojny |
| Publisher | : Springer |
| Total Pages | : 304 |
| Release | : 2017-09-07 |
| Genre | : Technology & Engineering |
| ISBN | : 3319679767 |
Download Modeling Steel Deformation in the Semi-Solid State Book in PDF, ePub and Kindle
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.
| Author | : Alistair David Foster |
| Publisher | : |
| Total Pages | : |
| Release | : 2007 |
| Genre | : |
| ISBN | : |
Download Modelling Damage Evolution During the Hot Deformation of Free Machining Steels Book in PDF, ePub and Kindle
| Author | : Cemil Hakan Gur |
| Publisher | : CRC Press |
| Total Pages | : 754 |
| Release | : 2008-12-22 |
| Genre | : Technology & Engineering |
| ISBN | : 1420003585 |
Download Handbook of Thermal Process Modeling Steels Book in PDF, ePub and Kindle
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
| Author | : Charles Andrew Monroe |
| Publisher | : ProQuest |
| Total Pages | : 382 |
| Release | : 2008 |
| Genre | : Steel |
| ISBN | : 9781109023824 |
Download A Modeling and Experimental Study of Deformation and Hot Tearing in Steel Book in PDF, ePub and Kindle
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.
| Author | : Christof Sommitsch |
| Publisher | : MDPI |
| Total Pages | : 374 |
| Release | : 2021-08-16 |
| Genre | : Technology & Engineering |
| ISBN | : 303651080X |
Download Numerical Modelling and Simulation of Metal Processing Book in PDF, ePub and Kindle
This book deals with metal processing and its numerical modelling and simulation. In total, 21 papers from different distinguished authors have been compiled in this area. Various processes are addressed, including solidification, TIG welding, additive manufacturing, hot and cold rolling, deep drawing, pipe deformation, and galvanizing. Material models are developed at different length scales from atomistic simulation to finite element analysis in order to describe the evolution and behavior of materials during thermal and thermomechanical treatment. Materials under consideration are carbon, Q&T, DP, and stainless steels; ductile iron; and aluminum, nickel-based, and titanium alloys. The developed models and simulations shall help to predict structure evolution, damage, and service behavior of advanced materials.
| Author | : Vimal Saxena |
| Publisher | : Elsevier |
| Total Pages | : 484 |
| Release | : 2018-04-28 |
| Genre | : Science |
| ISBN | : 012812332X |
Download Handbook of Borehole Acoustics and Rock Physics for Reservoir Characterization Book in PDF, ePub and Kindle
The Handbook of Borehole Acoustics and Rock Physics for Reservoir Characterization combines in a single useful handbook the multidisciplinary domains of the petroleum industry, including the fundamental concepts of rock physics, acoustic logging, waveform processing, and geophysical application modeling through graphical examples derived from field data. It includes results from core studies, together with graphics that validate and support the modeling process, and explores all possible facets of acoustic applications in reservoir evaluation for hydrocarbon exploration, development, and drilling support. The Handbook of Borehole Acoustics and Rock Physics for Reservoir Characterization serves as a technical guide and research reference for oil and gas professionals, scientists, and students in the multidisciplinary field of reservoir characterization through the use of petrosonics. It overviews the fundamentals of borehole acoustics and rock physics, with a focus on reservoir evaluation applications, explores current advancements through updated research, and identifies areas of future growth. Presents theory, application, and limitations of borehole acoustics and rock physics through field examples and case studies Features "Petrosonic Workflows" for various acoustic applications and evaluations, which can be easily adapted for practical reservoir modeling and interpretation Covers the potential advantages of acoustic-based techniques and summarizes key results for easy geophysical application
| Author | : Myoung-Gyu Lee |
| Publisher | : MDPI |
| Total Pages | : 283 |
| Release | : 2018-10-18 |
| Genre | : Electronic books |
| ISBN | : 3038972606 |
Download Advances in Plastic Forming of Metals Book in PDF, ePub and Kindle
This book is a printed edition of the Special Issue "Advances in Plastic Forming of Metals" that was published in Metals
