Assessment Of Grain Refinement By Microtexture Analysis In Thermomechanically Processed Al 2519 Alloy

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Assessment of Grain Refinement by Microtexture Analysis in Thermomechanically Processed Al 2519 Alloy

Author : Steven L. Stancy
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (64 download)

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Book Synopsis Assessment of Grain Refinement by Microtexture Analysis in Thermomechanically Processed Al 2519 Alloy by : Steven L. Stancy

Download or read book Assessment of Grain Refinement by Microtexture Analysis in Thermomechanically Processed Al 2519 Alloy written by Steven L. Stancy and published by . This book was released on 1995 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first part of this study involved determining the mechanism by which elevated-temperature deformation occurred for selected tensile specimens from previous research on thermomechanically processed Al2519 alloy. Microtexture information in the form of discrete pole figures indicated that the most highly superplastic material had completely recrystallized and deformed via grain boundary sliding, whereas material that did not display superplastic behavior deformed via slip. The second part of the study was designed to achieve further refinement of the microstructure of Al2519 using the particle stimulated nucleation (PSN) model as a guide. Using the overaging parameters of the thermomechanical process (TMP) that had yielded the greatest elongation in previous work, additional material was processed but with varying final total processing strain. The resulting material was analyzed using backscatter electron (BSE) microscopy methods to evaluate the effect of total processing strain on the average grain size. The smallest true volume grain size was associated with the material with the highest total processing strain. jg p3.

Assessment of Grain Refinement by Microtexture Analysis in Thermomechanically Processed Al 2519 Alloy

Author : Steven L. Stancy
Publisher :
ISBN 13 :
Total Pages : 53 pages
Book Rating : 4.:/5 (64 download)

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Book Synopsis Assessment of Grain Refinement by Microtexture Analysis in Thermomechanically Processed Al 2519 Alloy by : Steven L. Stancy

Download or read book Assessment of Grain Refinement by Microtexture Analysis in Thermomechanically Processed Al 2519 Alloy written by Steven L. Stancy and published by . This book was released on 1995 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first part of this study involved determining the mechanism by which elevated-temperature deformation occurred for selected tensile specimens from previous research on thermomechanically processed Al2519 alloy. Microtexture information in the form of discrete pole figures indicated that the most highly superplastic material had completely recrystallized and deformed via grain boundary sliding, whereas material that did not display superplastic behavior deformed via slip. The second part of the study was designed to achieve further refinement of the microstructure of Al2519 using the particle stimulated nucleation (PSN) model as a guide. Using the overaging parameters of the thermomechanical process (TMP) that had yielded the greatest elongation in previous work, additional material was processed but with varying final total processing strain. The resulting material was analyzed using backscatter electron (BSE) microscopy methods to evaluate the effect of total processing strain on the average grain size. The smallest true volume grain size was associated with the material with the highest total processing strain. jg p3.

Thermomechanical Processing of Aluminum Alloy 2519 for Grain Refinement and Superplasticity

Author : Scott D. Bohman
Publisher :
ISBN 13 :
Total Pages : 78 pages
Book Rating : 4.:/5 (64 download)

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Book Synopsis Thermomechanical Processing of Aluminum Alloy 2519 for Grain Refinement and Superplasticity by : Scott D. Bohman

Download or read book Thermomechanical Processing of Aluminum Alloy 2519 for Grain Refinement and Superplasticity written by Scott D. Bohman and published by . This book was released on 1992 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Summary of Research 1995

Author : United States. Naval Postgraduate School, Monterey, CA.
Publisher :
ISBN 13 :
Total Pages : 588 pages
Book Rating : 4.:/5 (321 download)

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Book Synopsis A Summary of Research 1995 by : United States. Naval Postgraduate School, Monterey, CA.

Download or read book A Summary of Research 1995 written by United States. Naval Postgraduate School, Monterey, CA. and published by . This book was released on 1995 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Study of Grain Refinement in Al Alloy 2519 Using Backscattering Orientation-Contrast Mode in the Scanning Electron Microscope

Author :
Publisher :
ISBN 13 :
Total Pages : 57 pages
Book Rating : 4.:/5 (227 download)

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Book Synopsis Study of Grain Refinement in Al Alloy 2519 Using Backscattering Orientation-Contrast Mode in the Scanning Electron Microscope by :

Download or read book Study of Grain Refinement in Al Alloy 2519 Using Backscattering Orientation-Contrast Mode in the Scanning Electron Microscope written by and published by . This book was released on 1992 with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects of variations in thermomechanical processing (TMP) parameters on grain refinement in 2519 A1-Cu alloy were studied. Refined grains enhance tensile ductility and are a prerequisite for superplastic response. The TMP variables were adjusted based on panicle stimulated nucleation (PSN) theory. Process modifications included increased initial overaging time and decreased subsequent warm rolling temperatures. Backscatter orientation-contrast (BSOC) techniques for the scanning electron microscope (SEM) were developed to achieve grain-orientation contrast An accelerating voltage of 5KV resulted in increased intensities for atomic number and orientation contrast. Both grains and theta- phase (A12Cu) precipitates were revealed on the same micrograph at higher resolutions than attainable in the optical microscope. Quantitative data from micrographs were obtained using image analysis methods. A method based on statistical considerations was developed to determine an approximate critical theta-phase particle diameter (d sub crit) for PSN. The theta-phase particle distribution was shown to be an important factor for grain refinement via PSN.

Government Reports Announcements & Index

Author :
Publisher :
ISBN 13 :
Total Pages : 652 pages
Book Rating : 4.:/5 (3 download)

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Book Synopsis Government Reports Announcements & Index by :

Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1996-09 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Study of Precipitation and Recrystallization in A1 Alloy 2519 by Backscattered Electron Imaging Methods

Author : Peter Joseph Zohorsky
Publisher :
ISBN 13 :
Total Pages : 59 pages
Book Rating : 4.:/5 (64 download)

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Book Synopsis Study of Precipitation and Recrystallization in A1 Alloy 2519 by Backscattered Electron Imaging Methods by : Peter Joseph Zohorsky

Download or read book Study of Precipitation and Recrystallization in A1 Alloy 2519 by Backscattered Electron Imaging Methods written by Peter Joseph Zohorsky and published by . This book was released on 1993 with total page 59 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study examines the effects of pre-strain deformation temperature, overaging temperature, and other variations in thermomechanical processing (TMP) on the mean size and size distribution of q-phase precipitate particles in Al alloy 2519. Examination was performed using the scanning electron microscope in the backscattered imaging mode and quantitative image analysis methods were employed. The goal was to find a combination of TMP parameters which produces q-phase particles exceeding a critical diameter for particle stimulated nucleation (PSN) of recrystallization. A necessary prerequisite for superplasticity is a uniformly fine, equiaxed grain size and PSN is theorized to be capable of such grain refinement. Such a microstructure has been developed in Aluminum alloys containing large second phase particles when the alloys are subjected to cold work and recrystallization treatments.

Study of Precipitation and Recrystallization in A1 Alloy 2519 by Backscattered Electron Imaging Methods

Author : Peter Joseph Zohorsky
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (64 download)

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Book Synopsis Study of Precipitation and Recrystallization in A1 Alloy 2519 by Backscattered Electron Imaging Methods by : Peter Joseph Zohorsky

Download or read book Study of Precipitation and Recrystallization in A1 Alloy 2519 by Backscattered Electron Imaging Methods written by Peter Joseph Zohorsky and published by . This book was released on 1993 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study examines the effects of pre-strain deformation temperature, overaging temperature, and other variations in thermomechanical processing (TMP) on the mean size and size distribution of q-phase precipitate particles in Al alloy 2519. Examination was performed using the scanning electron microscope in the backscattered imaging mode and quantitative image analysis methods were employed. The goal was to find a combination of TMP parameters which produces q-phase particles exceeding a critical diameter for particle stimulated nucleation (PSN) of recrystallization. A necessary prerequisite for superplasticity is a uniformly fine, equiaxed grain size and PSN is theorized to be capable of such grain refinement. Such a microstructure has been developed in Aluminum alloys containing large second phase particles when the alloys are subjected to cold work and recrystallization treatments.

Study of Grain Refinement in Al Alloy 2519 Using Backscatter Orientation-contrast Mode in the Scanning Electron Microscope

Author : Jeffrey Robert Dunlap
Publisher :
ISBN 13 :
Total Pages : 51 pages
Book Rating : 4.:/5 (115 download)

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Book Synopsis Study of Grain Refinement in Al Alloy 2519 Using Backscatter Orientation-contrast Mode in the Scanning Electron Microscope by : Jeffrey Robert Dunlap

Download or read book Study of Grain Refinement in Al Alloy 2519 Using Backscatter Orientation-contrast Mode in the Scanning Electron Microscope written by Jeffrey Robert Dunlap and published by . This book was released on 1992 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Assessment of the Effect of Grain Refinement on the Solidification Characteristics of Al-Si-Cu Eutectic Cast Alloy Using Thermal Analysis Technical (CA-CCTA)

Download Assessment of the Effect of Grain Refinement on the Solidification Characteristics of Al-Si-Cu Eutectic Cast Alloy Using Thermal Analysis Technical (CA-CCTA) PDF Online Free

Author :
Publisher :
ISBN 13 :
Total Pages : 58 pages
Book Rating : 4.:/5 (949 download)

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Book Synopsis Assessment of the Effect of Grain Refinement on the Solidification Characteristics of Al-Si-Cu Eutectic Cast Alloy Using Thermal Analysis Technical (CA-CCTA) by :

Download or read book Assessment of the Effect of Grain Refinement on the Solidification Characteristics of Al-Si-Cu Eutectic Cast Alloy Using Thermal Analysis Technical (CA-CCTA) written by and published by . This book was released on 2015 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:

International Aerospace Abstracts

Author :
Publisher :
ISBN 13 :
Total Pages : 514 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis International Aerospace Abstracts by :

Download or read book International Aerospace Abstracts written by and published by . This book was released on 1997 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt:

2D and 3D Grain Growth Modeling and Simulation

Author : Luis Antonio Barrales-Mora
Publisher : Cuvillier Verlag
ISBN 13 : 3867276846
Total Pages : 147 pages
Book Rating : 4.8/5 (672 download)

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Book Synopsis 2D and 3D Grain Growth Modeling and Simulation by : Luis Antonio Barrales-Mora

Download or read book 2D and 3D Grain Growth Modeling and Simulation written by Luis Antonio Barrales-Mora and published by Cuvillier Verlag. This book was released on 2008 with total page 147 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Characterization of Minerals, Metals, and Materials 2020

Author : Jian Li
Publisher : Springer Nature
ISBN 13 : 3030366286
Total Pages : 723 pages
Book Rating : 4.0/5 (33 download)

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Book Synopsis Characterization of Minerals, Metals, and Materials 2020 by : Jian Li

Download or read book Characterization of Minerals, Metals, and Materials 2020 written by Jian Li and published by Springer Nature. This book was released on 2020-01-23 with total page 723 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection gives broad and up-to-date results in the research and development of materials characterization and processing. Topics covered include advanced characterization methods, minerals, mechanical properties, coatings, polymers and composites, corrosion, welding, magnetic materials, and electronic materials. The book explores scientific processes to characterize materials using modern technologies, and focuses on the interrelationships and interdependence among processing, structure, properties, and performance of materials.

Hot Working Guide

Author : Y. V. R. K. Prasad
Publisher : ASM International
ISBN 13 : 9781615032020
Total Pages : 566 pages
Book Rating : 4.0/5 (32 download)

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Book Synopsis Hot Working Guide by : Y. V. R. K. Prasad

Download or read book Hot Working Guide written by Y. V. R. K. Prasad and published by ASM International. This book was released on 1997-01-01 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Characterization of Minerals, Metals, and Materials 2018

Author : Bowen Li
Publisher : Springer
ISBN 13 : 3319724843
Total Pages : 708 pages
Book Rating : 4.3/5 (197 download)

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Book Synopsis Characterization of Minerals, Metals, and Materials 2018 by : Bowen Li

Download or read book Characterization of Minerals, Metals, and Materials 2018 written by Bowen Li and published by Springer. This book was released on 2018-01-17 with total page 708 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection gives broad and up-to-date results in the research and development of materials characterization and processing. Coverage is well-rounded from minerals, metals, and materials characterization and developments in extraction to the fabrication and performance of materials. In addition, topics as varied as structural steels to electronic materials to plant-based composites are explored. The latest research presented in this wide area make this book both timely and relevant to the materials science field as a whole. The book explores scientific processes to characterize materials using modern technologies, and focuses on the interrelationships and interdependence among processing, structure, properties, and performance of materials. Topics covered include ferrous materials, non-ferrous materials, minerals, ceramics, clays, soft materials, method development, processing, corrosion, welding, solidification, composites, extraction, powders, nanomaterials, advanced materials, and several others.

Computational Materials Science

Author : Dierk Raabe
Publisher : Wiley-VCH
ISBN 13 :
Total Pages : 408 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Computational Materials Science by : Dierk Raabe

Download or read book Computational Materials Science written by Dierk Raabe and published by Wiley-VCH. This book was released on 1998-10-27 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modeling and simulation play an ever increasing role in the development and optimization of materials. Computational Materials Science presents the most important approaches in this new interdisciplinary field of materials science and engineering. The reader will learn to assess which numerical method is appropriate for performing simulations at the various microstructural levels and how they can be coupled. This book addresses graduate students and professionals in materials science and engineering as well as materials-oriented physicists and mechanical engineers.

Friction Stir Welding and Processing

Author : Rajiv S. Mishra
Publisher : ASM International
ISBN 13 : 1615030972
Total Pages : 360 pages
Book Rating : 4.6/5 (15 download)

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Book Synopsis Friction Stir Welding and Processing by : Rajiv S. Mishra

Download or read book Friction Stir Welding and Processing written by Rajiv S. Mishra and published by ASM International. This book was released on 2007-01-01 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the rapidly growing area of friction stir welding. It also addresses the use of the technology for other types of materials processing, including superplastic forming, casting modification, and surface treatments. The book has been prepared to serve as the first general reference on friction stir technology,. Information is provided on tools, machines, process modeling, material flow, microstructural development and properties. Materials addressed include aluminum alloys, titanium alloys, steels, nickel-base alloys, and copper alloys. The chapters have been written by the leading experts in this field, representing leading industrial companies and university and government research insititutions.