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Deformation And Recrystallization During Thermomechanical Processing Of A Nickel Base Superalloy Ingot Material
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Book Synopsis Deformation and Recrystallization During Thermomechanical Processing of a Nickel-Base Superalloy Ingot Material by :
Download or read book Deformation and Recrystallization During Thermomechanical Processing of a Nickel-Base Superalloy Ingot Material written by and published by . This book was released on 2006 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: The deformation response and recrystallization behavior of a coarse, columnar-grain superalloy ingot material, Waspaloy, with a 100 fiber texture were established. For this purpose, isothermal hot compression tests were performed on cylindrical and doublecone samples at supersolvus temperatures under both monotonic (constant strain rate) and multi-hit conditions. Plastic flow showed a noticeable dependence on test direction relative to the columnar-grain orientation; the observed anisotropy in peak flow stress and flow softening were explained on the basis of the evolution of crystallographic texture during recrystallization. Similarly, anisotropy in dynamic recrystallization kinetics with respect to test direction was interpreted in terms of the effect of initial texture on the plastic work imposed per increment of macroscopic strain. Nevertheless, the broad kinetics for the coarse-grain, ingot material deformed under both monotonic and multi-hit conditions were comparable to those previously measured for fine-grain, wrought Waspaloy. Such an effect was attributed to the beneficial influence of the nucleation of recrystallization at both grain boundaries and carbide particles in the ingot material. In addition, a spatial non-uniformity in recrystallization was found in the ingot material and was interpreted in the context of the grain-boundary character and non-uniform strain at the grain/intragrain scale. A suite of tools being developed to model recrystallization phenomena during the breakdown of superalloy ingots is described. These tools include a mechanistic cellular automata; a mesoscale, mechanism-based model; and the crystal-plasticity finite-element method.
Book Synopsis Recrystallization and Grain-Growth Behavior of a Nickel-Base Superalloy During Multi-Hit Deformation (Preprint). by :
Download or read book Recrystallization and Grain-Growth Behavior of a Nickel-Base Superalloy During Multi-Hit Deformation (Preprint). written by and published by . This book was released on 2007 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: The initial breakdown behavior of Waspaloy-ingot material with course, columnar grain structure was established via isothermal hot compression of double-cone samples. Temperature (1177 degrees C), strain rate (0.1 s-l), dwell time between increments of deformation (30 or 60 seconds), and forging direction relative to the columnar structure were typical of industrial practice. Recrystallization kinetics were more rapid during multi-hit testing than monotonic testing. The recrystallization and grain-growth behavior showed a complex dependence on imposed strain, test orientation, and dwell time.
Book Synopsis Microstructure Modeling of the Superalloy Ingot Breakdown Process by :
Download or read book Microstructure Modeling of the Superalloy Ingot Breakdown Process written by and published by . This book was released on 2007 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: A microstructure evolution model is presented, integrated into the Finite Element Modeling (FEM) software package DEFORM(tm). Recrystallization and grain growth, during and after thermomechanical deformation, are predicted via a phenomenologically-informed Cellular Automata (CA) algorithm. Strain, strain rate, and temperature are computed via FEM and provided as inputs to the model. Examples of a CA technique to predict microstructure evolution during cogging of a nickel base superalloy are presented. Although this model is focused on and will be validated for cogging of nickel base superalloy U720, it is designed to accommodate a range of alloys, thermomechanical processes, and other microstructure evolution algorithms, such as Monte Carlo (MC) and Phase Field (PF) methods as well.
Book Synopsis Thermomechanical Processing of a Nickel-base Superalloy by Cold-rolling and Shock-wave Deformation by : Marcos André Meyers
Download or read book Thermomechanical Processing of a Nickel-base Superalloy by Cold-rolling and Shock-wave Deformation written by Marcos André Meyers and published by . This book was released on 1974 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Thermomechanical Processing of the Nickel-base Alloy U-700 by : Charles P. Blankenship
Download or read book Thermomechanical Processing of the Nickel-base Alloy U-700 written by Charles P. Blankenship and published by . This book was released on 1971 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Superalloys 2020 written by Sammy Tin and published by Springer Nature. This book was released on 2020-08-28 with total page 1098 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 14th International Symposium on Superalloys (Superalloys 2020) highlights technologies for lifecycle improvement of superalloys. In addition to the traditional focus areas of alloy development, processing, mechanical behavior, coatings, and environmental effects, this volume includes contributions from academia, supply chain, and product-user members of the superalloy community that highlight technologies that contribute to improving manufacturability, affordability, life prediction, and performance of superalloys.
Download or read book ASM Handbook written by and published by . This book was released on 1990 with total page 754 pages. Available in PDF, EPUB and Kindle. Book excerpt: These volumes cover the properties, processing, and applications of metals and nonmetallic engineering materials. They are designed to provide the authoritative information and data necessary for the appropriate selection of materials to meet critical design and performance criteria.
Book Synopsis Superalloys 2024 by : Jonathan Cormier
Download or read book Superalloys 2024 written by Jonathan Cormier and published by Springer Nature. This book was released on with total page 1121 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Thermomechanical Processing of Nickel-Base Superalloys by Shock-Wave Deformation by : R. Norman Orava
Download or read book Thermomechanical Processing of Nickel-Base Superalloys by Shock-Wave Deformation written by R. Norman Orava and published by . This book was released on 1973 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation is being conducted to study the synergistic effects of thermal treatment and explosive shock loading on the microstructure and mechanical properties of Udimet 700 and Inconel 718. The influence of such shock thermomechanical processing (TMP) is compred with that of thermal processing alone and of conventional TMP by cold rolling to a recuction equivalent to the transient shock strain. Shock TMP of Udimet 700 led to improvements in tensile strengths at testing temperatures up to 1400F, tensile ductility, toughness, stress-rupture life at 1200 and 1400F, and microstructural stability. Room- temperature strength and toughness of Inconel 718 were increased due to shock TMP. (Modified author abstract).
Book Synopsis Fundamentals of Modeling for Metals Processing by : David U. Furrer
Download or read book Fundamentals of Modeling for Metals Processing written by David U. Furrer and published by . This book was released on 2009 with total page 756 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Handbook provides an overview of the development of models of metallic materials and how the materials are affected by processing. This knowledge is central to understanding of the behaviour of existing alloys and the development of new materials that affect nearly every manufacturing industry. Background on fundamental modeling methods provides the user with a solid foundation of the underlying physics that support the mechanistic method of many industrial simulation software packages. The phenomenological method is given equal coverage
Book Synopsis Thermomechanical Processing of Nickel Base Alloy AF2-1DA Using Shock Wave Deformation by : Robert H. Wittman
Download or read book Thermomechanical Processing of Nickel Base Alloy AF2-1DA Using Shock Wave Deformation written by Robert H. Wittman and published by . This book was released on 1976 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation was conducted to study the effects of shock wave deformation and heat treatment on the mechanical properties of nickel base superalloy AF2-1DA. Shock wave deformation having a transient volume strain of 23.6% was generated by an explosively induced 500 Kbar shock wave. The shock wave deformation was introduced to AF2-1DA plates in the solution treated condition and after various solution treatments and gamma prime heat treatments. Carbide and/or final aging heat treatments were conducted after shock wave deformation processing. For comparison and evaluation of results AF2-1DA plates from the same lot of material were thermally processed using the standard solution treatment and aging sequences. Tensile, stress-rupture, and low cycle fatigue testing was conducted on shock wave processed and thermally processed samples. In general the result was to increase the yield strength by up to 15% and the tensile strength by 3-5% at the 1400 F test temperature for the shock wave processed alloy relative to the thermally processed alloy. This strength increase was accomplished with a 7% increase in elongation and 20% increase in the reduction of area. Such increases indicate a substantial increase in toughness of the shock wave processed alloy. The increase in toughness of the shock wave processed material was manifested by measured improvements in the stress-rupture life and the low cycle fatigue life.
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 1974 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effects of Ingot Thermomechanical Processing Treatments on Element Homogenization and Recrystallization of 7075-Cr Alloy by : James Joseph Michalek
Download or read book The Effects of Ingot Thermomechanical Processing Treatments on Element Homogenization and Recrystallization of 7075-Cr Alloy written by James Joseph Michalek and published by . This book was released on 1973 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :The Minerals, Metals & Materials Society (TMS) Publisher :John Wiley & Sons ISBN 13 :1119016886 Total Pages :951 pages Book Rating :4.1/5 (19 download)
Book Synopsis Proceedings of the 8th International Symposium on Superalloy 718 and Derivatives by : The Minerals, Metals & Materials Society (TMS)
Download or read book Proceedings of the 8th International Symposium on Superalloy 718 and Derivatives written by The Minerals, Metals & Materials Society (TMS) and published by John Wiley & Sons. This book was released on 2014-12-02 with total page 951 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 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.
Book Synopsis Creep deformation in nickel base superalloy single crystals by : Tresa Mader Pollock
Download or read book Creep deformation in nickel base superalloy single crystals written by Tresa Mader Pollock and published by . This book was released on 1989 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt:
