Deformation Response and Formability Limit Diagram Estimates of Dual-Phase Steels PDF Download
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Author: Esteban Espinosa
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
New Dual-Phase (DP) steel sheet with desirable mechanical properties are developed using trialand-error methods that are time-consuming and expensive. Using only micro-structural information, methods to predict stress-strain under tension, reverse yield under compression following tensile loading, and a lower-bound formability limit diagram (FLD) are developed. Mean-field models were used to obtain the flow behavior of the composite under uni-axial loading and reverse yielding, and also serve as descriptors of stress-strain behavior of the ferrite and martensite phases in the finite element models. Representative Volume Elements (RVEs) of the steel were used for the creation of a morphologically realistic Finite Element Model, which in turn allows prediction of flow behavior under uni-axial and plane strain loading. The latter allows estimation of the FLD using the Marciniak-Kuczynski (M-K) and Modified Maximum Force Criterion (MMFC) approaches. Computations with the RVE models afford insights into the relationship between the microstructure and mechanical properties.
Author: Esteban Espinosa
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
New Dual-Phase (DP) steel sheet with desirable mechanical properties are developed using trialand-error methods that are time-consuming and expensive. Using only micro-structural information, methods to predict stress-strain under tension, reverse yield under compression following tensile loading, and a lower-bound formability limit diagram (FLD) are developed. Mean-field models were used to obtain the flow behavior of the composite under uni-axial loading and reverse yielding, and also serve as descriptors of stress-strain behavior of the ferrite and martensite phases in the finite element models. Representative Volume Elements (RVEs) of the steel were used for the creation of a morphologically realistic Finite Element Model, which in turn allows prediction of flow behavior under uni-axial and plane strain loading. The latter allows estimation of the FLD using the Marciniak-Kuczynski (M-K) and Modified Maximum Force Criterion (MMFC) approaches. Computations with the RVE models afford insights into the relationship between the microstructure and mechanical properties.
Author: Z. Marciniak
Publisher: Butterworth-Heinemann
ISBN: 9780750653008
Category : Business & Economics
Languages : en
Pages : 236
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Book Description
Material properties -- Sheet deformation processes -- Deformation of sheet in plane stress -- Simplified stamping analysis -- Load instability and tearing -- Bending of sheet -- Simplified analysis of circular shells -- Cylindrical deep drawing -- Stretching circular shells -- Combined bending and tension of sheet -- Hydroforming.
Author: Arshdeepsingh Sardar
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Owing to the complexity of the mechanical response of Dual Phase (DP) steels, steel makers rely largely on experiments and trial-and-error approaches to develop new lines with higher strength and ductility in order to enable light weighting of automotive parts. Crucially, the flow and failure behaviors are intimately linked to the morphology of the microstructure. This thesis focuses on developing two approaches that use morphological features to predict the flow and failure behavior of DP Steels. In the local field approach, realistic microstructures are obtained through electron microscopy and used to construct a composite phase finite element model which is then subjected to uni-axial deformation. The second approach exploits phenomenological models to connect the deformation and failure at the microscopic level to the average mechanical response. Using basic microstructural features and flow behavior of the ferrite and martensite phases, the flow and failure behavior of DP Steels is estimated.
Author: Yean-Liang Su
Publisher:
ISBN:
Category :
Languages : en
Pages : 400
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Book Description
Author: Wilko C. Emmens
Publisher: Springer Science & Business Media
ISBN: 3642219047
Category : Technology & Engineering
Languages : en
Pages : 110
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Book Description
- Overview of materials and treatment aspects of manufacturability of sheet metal - Written by an industrial expert turned scientist - Concentrates on the formability of sheet metal, one of the fundamental form material is used in metalworking
Author: George A. Pantazopoulos
Publisher: MDPI
ISBN: 303928276X
Category : Technology & Engineering
Languages : en
Pages : 476
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Book Description
The era of lean production and excellence in manufacturing, advancing with sustainable development, demands the rational utilization of raw materials and energy resources, adopting cleaner and environmentally-friendly industrial processes. In view of the new industrial revolution, through digital transformation, the exploitation of smart and sophisticated materials systems, the need of minimizing scrap and increasing efficiency, reliability and lifetime and, on the other hand, the pursuit of fuel economy and limitation of carbon footprint, are necessary conditions for the imminent growth in a highly competitive economy. Failure analysis is an interdisciplinary scientific topic, reflecting the opinions and interpretations coming from a systematic evidence-gathering procedure, embracing various important sectors, imparting knowledge, and substantiating improvement practices. The deep understanding of material/component role (e.g., rotating shaft, extrusion die, gas pipeline) and properties will be of central importance for fitness for purpose in certain industrial processes and applications. Finally, it is hoped and strongly believed that the accumulation of additional knowledge in the field of failure mechanisms and the adoption of the principles, philosophy, and deep understanding of failure analysis process approach will strongly promote the learning concept, as a continuously evolving process leading to personal and social progress and prosperity.
Author: Franz Roters
Publisher: John Wiley & Sons
ISBN: 3527642099
Category : Technology & Engineering
Languages : en
Pages : 188
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Book Description
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.
Author: Lucas F. M. da Silva
Publisher: Springer
ISBN: 3030022579
Category : Technology & Engineering
Languages : en
Pages : 502
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Book Description
This book highlights fundamental research on the design and application of engineering materials, and predominantly mechanical engineering applications. This area includes a wide range of technologies and materials, including metals, polymers, composites, and ceramics. Advanced applications include manufacturing cutting-edge materials, testing methods, and multi-scale experimental and computational aspects. The book introduces readers to a wealth of engineering applications in transport, civil, packaging and power generation.
Author: William F. Hosford
Publisher: Cambridge University Press
ISBN: 113949743X
Category : Technology & Engineering
Languages : en
Pages : 345
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Book Description
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.
Author: Hans-Joachim Bungartz
Publisher: Springer Nature
ISBN: 3030479560
Category : Computers
Languages : en
Pages : 624
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Book Description
This open access book summarizes the research done and results obtained in the second funding phase of the Priority Program 1648 "Software for Exascale Computing" (SPPEXA) of the German Research Foundation (DFG) presented at the SPPEXA Symposium in Dresden during October 21-23, 2019. In that respect, it both represents a continuation of Vol. 113 in Springer’s series Lecture Notes in Computational Science and Engineering, the corresponding report of SPPEXA’s first funding phase, and provides an overview of SPPEXA’s contributions towards exascale computing in today's sumpercomputer technology. The individual chapters address one or more of the research directions (1) computational algorithms, (2) system software, (3) application software, (4) data management and exploration, (5) programming, and (6) software tools. The book has an interdisciplinary appeal: scholars from computational sub-fields in computer science, mathematics, physics, or engineering will find it of particular interest.
