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Edge Fracture Prediction Of Dual Phase Steels With Consideration Of Microstructures
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Book Synopsis Edge Fracture Prediction of Dual Phase Steels with Consideration of Microstructures by : Ming Wen
Download or read book Edge Fracture Prediction of Dual Phase Steels with Consideration of Microstructures written by Ming Wen and published by . This book was released on 2015 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, Advanced High Strength Steels (AHSS) have been used for the lightweight structural design and manufacturing in automotive industry. This class of sheet metals are prone to edge fracture during stamping production, and the fracture often occurs at much lower strain than that predicted based on the forming limit curves. The uncertainty in predicting edge fracture represents a great challenge in the application of AHSS. This dissertation is focused on the better understanding of edge fracture phenomenon through experimental observation and computer modeling with the consideration of microstructure effect. In this dissertation, Hole Expansion (HE) test was used to investigate the mechanisms of edge fracture of two AHSS, Dual Phase DP780 and DP980. The HE test includes two processing steps: hole punching and hole expanding. The punching process creates holes of various sheared edge morphologies, which are the input to the hole expanding process, along with the intrinsic property of material, produce a joint effect on the crack initiation and propagation on the sheared edges during HE test. The hole punching process was first investigated. The sheared edges were analyzed with image processing, and the relative heights of sheared four edge zones were measured, which were used to determine the strain distributions of sheared edges. The punching process was further simulated with FEA, and referenced with the experimental observations. Fracture mechanism of hole punching process was deduced. The process of crack initiation and propagation in hole expanding process was studied the next. Scanning Electron Microscope (SEM) was used to observe cracks on the sheared edges. FEA simulation was applied to investigate the effect of sheared edge geometry on the stress evolution in the hole expanding process. The interaction of two neighboring parallel cracks in the crack propagation process was analyzed to explain the effect of crack population on the main crack propagation. To investigate the microstructure effect on the edge fracture, the dual phase grain structure and its effect on mechanical properties and fracture behavior of DP steels were analyzed. Based on HE test results and observed DP steel grain structures, a criterion to predict edge fracture was proposed. This criterion includes mesoscale grain structure features of DP steels, and it can be applied to predict the HE test results of DP steels. The heterogeneous microstructures of DP steels were built into the Representative Volume Element (RVE) models to study the effects of microstructure parameters and fracture mechanisms on macroscale mechanical properties of DP steels, with damage based failure criteria applied to constituent ferritic and martensitic phases.
Book Synopsis Modelling of the Mechanical Properties of Dual Phase Steels Based on Microstructure by : Corinna Thomser
Download or read book Modelling of the Mechanical Properties of Dual Phase Steels Based on Microstructure written by Corinna Thomser and published by . This book was released on 2009 with total page 139 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Microstructure and Texture in Steels by : Arunansu Haldar
Download or read book Microstructure and Texture in Steels written by Arunansu Haldar and published by Springer Science & Business Media. This book was released on 2009-09-03 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microstructure and Texture in Steels and Other Materials comprises a collection of articles pertaining to experimental and theoretical aspects of the evolution of crystallographic texture and microstructure during processing of steels and some other materials. Among the topics covered is the processing-microstructure-texture-property relationship in various kinds of steels, including the latest grade. Special emphasis has been given to introduce recent advances in the characterization of texture and microstructure, as well as modeling. The papers included are written by well-known experts from academia and industrial R and D, which will provide the reader with state-of-the-art, in-depth knowledge of the subject. With these attributes, Microstructure and Texture in Steels and Other Materials is expected to serve the cause of creating awareness of current developments in microstructural science and materials engineering among academic and R and D personnel working in the field.
Download or read book Duplex Stainless Steels written by R Gunn and published by Woodhead Publishing. This book was released on 1997-10-21 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two very successful conferences - in Glasgow and Beaune - were held on duplex stainless steels during the first half of the '90s. This book takes keynote papers from each, and develops and expands them to bring the topics right up to date. There is new material to cover grades, specifications and standards, and the book is fully cross-references and indexed. The first reference book to be published on the increasingly popular duplex stainless steels, it will be widely welcomed by metallurgists, design and materials engineers, oil and gas engineers and anyone involved in materials development and properties. The first reference book on this relatively new engineering material Based on keynote papers from major international contributors Covers grades, standards and specifications
Book Synopsis Engineering Materials 2 by : Michael F. Ashby
Download or read book Engineering Materials 2 written by Michael F. Ashby and published by Elsevier. This book was released on 2014-06-28 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a thorough explanation of the basic properties of materials; of how these can be controlled by processing; of how materials are formed, joined and finished; and of the chain of reasoning that leads to a successful choice of material for a particular application. The materials covered are grouped into four classes: metals, ceramics, polymers and composites. Each class is studied in turn, identifying the families of materials in the class, the microstructural features, the processes or treatments used to obtain a particular structure and their design applications. The text is supplemented by practical case studies and example problems with answers, and a valuable programmed learning course on phase diagrams.
Download or read book Maraging Steels written by W Sha and published by Elsevier. This book was released on 2009-10-26 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: Maraging steels are high-strength steels combined with good toughness. They are used particularly in aerospace and tooling applications. Maraging refers to the ageing of martensite, a hard microstructure commonly found in steels.Maraging steels: modelling of microstructure, properties and applications covers the following topics: Introduction to maraging steels; Microstructure of maraging steels; Mechanical properties of maraging steels; Thermodynamic calculations for quantifying the phase fraction and element partition in maraging systems and precipitation hardening steels; Quantification of phase transformation kinetics in maraging steels; Quantification of age hardening in maraging steels; Maraging steels and overageing; Precipitation hardening stainless steel; Applications of artificial neural network on modelling maraging steel properties.With its distinguished authors, Maraging steels: modelling of microstructure, properties and applications is a standard reference for industry and researchers concerned with maraging steels and modelling as well as users of maraging steels in the aerospace and tooling sectors. The book includes both conventional maraging steels and precipitation hardened (PH) stainless steels. Provides an overview of maraging steels including microstructure and mechanical properties Reviews thermodynamic calculations for quantifying the phase fraction and element partition in maraging steels Includes chapters on the quantification of phase transformation kinetics and age hardening in maraging steels
Book Synopsis ASM Handbook by : ASM International. Handbook Committee
Download or read book ASM Handbook written by ASM International. Handbook Committee and published by ASM International(OH). This book was released on 2000 with total page 1242 pages. Available in PDF, EPUB and Kindle. Book excerpt: This index eliminates that need to search through multiple back-of-the-book indexes to find where a subject is addressed. The A-to-Z listing will help users find important handbook content in volumes where they may not have thought to look.
Author :Lauralice de Campos Franceschini Canale Publisher :ASM International ISBN 13 :1615030980 Total Pages :651 pages Book Rating :4.6/5 (15 download)
Book Synopsis Failure Analysis of Heat Treated Steel Components by : Lauralice de Campos Franceschini Canale
Download or read book Failure Analysis of Heat Treated Steel Components written by Lauralice de Campos Franceschini Canale and published by ASM International. This book was released on 2008 with total page 651 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Heat Treatment and Properties of Iron and Steel by : Samuel Jacob Rosenberg
Download or read book Heat Treatment and Properties of Iron and Steel written by Samuel Jacob Rosenberg and published by . This book was released on 1966 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Crystal Plasticity Finite Element Methods by : Franz Roters
Download or read book Crystal Plasticity Finite Element Methods written by Franz Roters and published by John Wiley & Sons. This book was released on 2011-08-04 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by the leading experts in computational materials science, this handy reference concisely reviews the most important aspects of plasticity modeling: constitutive laws, phase transformations, texture methods, continuum approaches and damage mechanisms. As a result, it provides the knowledge needed to avoid failures in critical systems udner mechanical load. With its various application examples to micro- and macrostructure mechanics, this is an invaluable resource for mechanical engineers as well as for researchers wanting to improve on this method and extend its outreach.
Book Synopsis Physical Metallurgy of High Manganese Steels by : Wolfgang Bleck
Download or read book Physical Metallurgy of High Manganese Steels written by Wolfgang Bleck and published by MDPI. This book was released on 2019-12-06 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Special Issue ‘Physical Metallurgy of High Manganese Steels’ addresses the highly fascinating class of manganese-alloyed steels with manganese contents well above 3 mass%. The book gathers manuscripts from internationally recognized researchers with stimulating new ideas and original results. It consists of fifteen original research papers. Seven contributions focus on steels with manganese contents above 12 mass%. These contributions cover fundamental aspects of process-microstrcuture-properties relationships with processes ranging from cold and warm rolling over deep rolling to heat treatment. Novel findings regarding the fatigue and fracture behavior, deformation mechanisms, and computer-aided design are presented. Additionally, the Special Issue also reflects the current trend of reduced Mn content (3-12 mass%) in advanced high strength steels (AHSS). Eight contributions were dedicated to these alloys, which are often referred to as 3rd generation AHSS, medium manganese steels or quenching and partitioning (Q&P/Q+P) steels. The interplay between advanced processing, mainly novel annealing variants, and microstructure evolution has been addressed using computational and experimental approaches. A deeper understanding of strain-rate sensitivity, hydrogen embrittlement, phase transformations, and the consequences for the materials’ properties has been developed. Hence, the topics included are manifold, fundamental-science oriented and, at the same time, relevant to industrial application.
Book Synopsis Bainite in Steels by : Harshad Kumar Dharamshi Hansraj Bhadeshia
Download or read book Bainite in Steels written by Harshad Kumar Dharamshi Hansraj Bhadeshia and published by Maney Publishing. This book was released on 2001 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: The second edition of this modern classic encompasses the latest research, which sees bainitic alloys at the forefront of a new wave of "designed" steels. Contents include: Nomenclature; Introduction; Bainitic Ferrite; Carbide Precipitation; Tempering of Bainite; Thermodynamics; Kinetics; Upper and Lower Bainite; Stress and Strain Effects; Reverse Transformation from Bainite to Austenite; Acicular Ferrite; Other Morphologies of Bainite; Mechanical Properties; Modern Bainitic Alloys;Other Aspects; The Transformation of Steel.
Book Synopsis Metal Forming by : William F. Hosford
Download or read book Metal Forming written by William F. Hosford and published by Cambridge University Press. This book was released on 2011-02-07 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book helps the engineer understand the principles of metal forming and analyze forming problems - both the mechanics of forming processes and how the properties of metals interact with the processes. In this fourth edition, an entire chapter has been devoted to forming limit diagrams and various aspects of stamping and another on other sheet forming operations. Sheet testing is covered in a separate chapter. Coverage of sheet metal properties has been expanded. Interesting end-of-chapter notes have been added throughout, as well as references. More than 200 end-of-chapter problems are also included.
Book Synopsis Computational Mesomechanics of Composites by : Leon L. Mishnaevsky, Jr
Download or read book Computational Mesomechanics of Composites written by Leon L. Mishnaevsky, Jr and published by John Wiley & Sons. This book was released on 2007-08-20 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mechanical properties of composite materials can be improved by tailoring their microstructures. Optimal microstructures of composites, which ensure desired properties of composite materials, can be determined in computational experiments. The subject of this book is the computational analysis of interrelations between mechanical properties (e.g., strength, damage resistance stiffness) and microstructures of composites. The methods of mesomechanics of composites are reviewed, and applied to the modelling of the mechanical behaviour of different groups of composites. Individual chapters are devoted to the computational analysis of the microstructure- mechanical properties relationships of particle reinforced composites, functionally graded and particle clusters reinforced composites, interpenetrating phase and unidirectional fiber reinforced composites, and machining tools materials.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Computational Welding Mechanics by : John A. Goldak
Download or read book Computational Welding Mechanics written by John A. Goldak and published by Springer Science & Business Media. This book was released on 2006-07-04 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computational Welding Mechanics (CWM) provides readers with a complete introduction to the principles and applications of computational welding including coverage of the methods engineers and designers are using in computational welding mechanics to predict distortion and residual stress in welded structures, thereby creating safer, more reliable and lower cost structures. Drawing upon years of practical experience and the study of computational welding mechanics the authors instruct the reader how to: - understand and interpret computer simulation and virtual welding techniques including an in depth analysis of heat flow during welding, microstructure evolution and distortion analysis and fracture of welded structures, - relate CWM to the processes of design, build, inspect, regulate, operate and maintain welded structures, - apply computational welding mechanics to industries such as ship building, natural gas and automobile manufacturing. Ideally suited for practicing engineers and engineering students, Computational Welding Mechanics is a must-have book for understanding welded structures and recent technological advances in welding, and it provides a unified summary of recent research results contributed by other researchers.
Book Synopsis Extrusion of Aluminium Alloys by : T. Sheppard
Download or read book Extrusion of Aluminium Alloys written by T. Sheppard and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years the importance of extruded alloys has increased due to the decline in copper extrusion, increased use in structural applications, environmental impact and reduced energy consumption. There have also been huge technical advances. This text provides comprehensive coverage of the metallurgical, mathematical and practical features of the process.
