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Grain Boundary Chemistry And Heat Treatment Effects On The Ductile To Brittle Transition Behavior Of Vanadium Alloys
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Book Synopsis Grain Boundary Chemistry and Heat Treatment Effects on the Ductile-to-brittle Transition Behavior of Vanadium Alloys by :
Download or read book Grain Boundary Chemistry and Heat Treatment Effects on the Ductile-to-brittle Transition Behavior of Vanadium Alloys written by and published by . This book was released on 1998 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: One-third scale Charpy impact specimens of V-4Cr-4Ti were given the same heat treatments applied to equivalent specimens of V-5Cr-5Ti. Auger specimens of V-4Cr-4Ti were also heat treated with the Charpy specimens to enable grain boundary chemistry measurements. The microstructural, microchemical and Charpy impact response of V-4Cr-4Ti displayed trends similar to those observed for V-5Cr-5Ti. The results show that grain size plays an important role in determining the ductile-to-brittle transition temperature (DBTT) of these materials and that a threshold level of grain boundary segregant appears to be required to cause grain boundary embrittlement and intergranular fracture.
Book Synopsis Brittle-ductile Transition in Vanadium by : Benny A. Loomis
Download or read book Brittle-ductile Transition in Vanadium written by Benny A. Loomis and published by . This book was released on 1958 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Structural Alloys for Nuclear Energy Applications by : Robert Odette
Download or read book Structural Alloys for Nuclear Energy Applications written by Robert Odette and published by Newnes. This book was released on 2019-08-15 with total page 673 pages. Available in PDF, EPUB and Kindle. Book excerpt: High-performance alloys that can withstand operation in hazardous nuclear environments are critical to presentday in-service reactor support and maintenance and are foundational for reactor concepts of the future. With commercial nuclear energy vendors and operators facing the retirement of staff during the coming decades, much of the scholarly knowledge of nuclear materials pursuant to appropriate, impactful, and safe usage is at risk. Led by the multi-award winning editorial team of G. Robert Odette (UCSB) and Steven J. Zinkle (UTK/ORNL) and with contributions from leaders of each alloy discipline, Structural Alloys for Nuclear Energy Applications aids the next generation of researchers and industry staff developing and maintaining steels, nickel-base alloys, zirconium alloys, and other structural alloys in nuclear energy applications. This authoritative reference is a critical acquisition for institutions and individuals seeking state-of-the-art knowledge aided by the editors’ unique personal insight from decades of frontline research, engineering and management. Focuses on in-service irradiation, thermal, mechanical, and chemical performance capabilities. Covers the use of steels and other structural alloys in current fission technology, leading edge Generation-IV fission reactors, and future fusion power reactors. Provides a critical and comprehensive review of the state-of-the-art experimental knowledge base of reactor materials, for applications ranging from engineering safety and lifetime assessments to supporting the development of advanced computational models.
Book Synopsis Properties of Vanadium-carbon Alloys by : David R. Mathews
Download or read book Properties of Vanadium-carbon Alloys written by David R. Mathews and published by . This book was released on 1965 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1976-05 with total page 912 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Processing Effects on the Ductility of Chromium-vanadium Alloys by : Hailey M. Murdock
Download or read book Processing Effects on the Ductility of Chromium-vanadium Alloys written by Hailey M. Murdock and published by . This book was released on 2011 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: The next generation of high temperature structural alloys must exhibit exceptional resistance to fracture, creep, oxidation, and fatigue at high temperatures. Chromium is being considered due to its high melting point (>1800°C), relatively low density (~7.2 g/cc), high temperature strength, and oxidation resistance. Limiting the use of chromium is its high ductile-to-brittle transition temperature. Previous efforts to reduce the ductile-to-brittle transition temperature have considered elimination of embrittling interstitals, increasing the grain size, pre-deformation and alloying. Recent computational studies have renewed interest in using alloying additions to ductilize chromium. A series of first principles calculations recently revealed elements (Ti, Zr, Hf, Nb, V) which have potential to reduce the ductile-to-brittle transition temperature when alloyed with chromium. To experimentally measure the effects of alloying and processing on the ductile-to-brittle transition temperature, chromium-vanadium alloy samples of 3 different compositions were prepared and compared to nominally pure chromium. Chromium vanadium samples were prepared from powders, hot isostatically pressed, heat treated at 1300°C and extruded at 1200°C. Elevated temperature Vickers hardness, elevated temperature tensile and elevated 3-point bend tests were performed. A diffusion study was performed using microprobe analysis to assist in the development of homogenization procedures for the alloys. Fracture surface analysis of bend and tensile specimens was used to determine the mode of fracture in bend and tensile specimens. Elevated temperature tensile tests determined a relationship between temperature and ductility in 100%Cr and 25%Cr-75%V alloys. Results from elevated temperature Vickers hardness suggest alloying with vanadium increases the strength by a factor of two. Premature failure in elevated temperature 3-point bend specimens and elevated temperature tensile tests made it difficult to quantify the effect of vanadium in affecting the ductility of chromium. Electron microscopy observations indicate that mechanical damage, likely caused by extrusion, is responsible for initiating the premature failures. Despite this complication, evidence of micro- and macro-scale ductile fracture mechanisms on the fracture surfaces of the Cr-V alloys indicate that the addition of vanadium indeed improves the ductility of chromium.
Book Synopsis Comprehensive Nuclear Materials by :
Download or read book Comprehensive Nuclear Materials written by and published by Elsevier. This book was released on 2020-07-22 with total page 4871 pages. Available in PDF, EPUB and Kindle. Book excerpt: Materials in a nuclear environment are exposed to extreme conditions of radiation, temperature and/or corrosion, and in many cases the combination of these makes the material behavior very different from conventional materials. This is evident for the four major technological challenges the nuclear technology domain is facing currently: (i) long-term operation of existing Generation II nuclear power plants, (ii) the design of the next generation reactors (Generation IV), (iii) the construction of the ITER fusion reactor in Cadarache (France), (iv) and the intermediate and final disposal of nuclear waste. In order to address these challenges, engineers and designers need to know the properties of a wide variety of materials under these conditions and to understand the underlying processes affecting changes in their behavior, in order to assess their performance and to determine the limits of operation. Comprehensive Nuclear Materials, Second Edition, Seven Volume Set provides broad ranging, validated summaries of all the major topics in the field of nuclear material research for fission as well as fusion reactor systems. Attention is given to the fundamental scientific aspects of nuclear materials: fuel and structural materials for fission reactors, waste materials, and materials for fusion reactors. The articles are written at a level that allows undergraduate students to understand the material, while providing active researchers with a ready reference resource of information. Most of the chapters from the first Edition have been revised and updated and a significant number of new topics are covered in completely new material. During the ten years between the two editions, the challenge for applications of nuclear materials has been significantly impacted by world events, public awareness, and technological innovation. Materials play a key role as enablers of new technologies, and we trust that this new edition of Comprehensive Nuclear Materials has captured the key recent developments. Critically reviews the major classes and functions of materials, supporting the selection, assessment, validation and engineering of materials in extreme nuclear environments Comprehensive resource for up-to-date and authoritative information which is not always available elsewhere, even in journals Provides an in-depth treatment of materials modeling and simulation, with a specific focus on nuclear issues Serves as an excellent entry point for students and researchers new to the field
Download or read book Energy Research Abstracts written by and published by . This book was released on 1992-04 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 1994 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book ERDA Energy Research Abstracts written by and published by . This book was released on 1977 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Energy Research and Development Administration. Technical Information Center Publisher : ISBN 13 : Total Pages :1680 pages Book Rating :4.3/5 (129 download)
Book Synopsis ERDA Energy Research Abstracts by : United States. Energy Research and Development Administration. Technical Information Center
Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration. Technical Information Center and published by . This book was released on 1977 with total page 1680 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Metals Abstracts written by and published by . This book was released on 1997 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book INIS Atomindeks written by and published by . This book was released on 1988 with total page 960 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Purity and Structure on Recrystallization, Grain Growth, Ductility, Tensile, and Creep Properties of Arc-melted Tungsten by : William D. Klopp
Download or read book Effects of Purity and Structure on Recrystallization, Grain Growth, Ductility, Tensile, and Creep Properties of Arc-melted Tungsten written by William D. Klopp and published by . This book was released on 1964 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Grain Boundary Migration in Metals by : Gunter Gottstein
Download or read book Grain Boundary Migration in Metals written by Gunter Gottstein and published by CRC Press. This book was released on 1999-06-17 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt: The behavior of adjacent materials at the boundary where they meet is an essential aspect of creating new engineering materials. Grain Boundary Migration in Metals is an authoritative account of the physics of grain boundary motion, written by two highly respected researchers. They provide a comprehensive overview of current knowledge regarding the migration process and how it affects microstructure evolution, focusing their treatment exclusively on the properties and behavior of grain boundaries with well defined geometry and crystallography. With their emphasis on applications-such as the characterization of microstructure and texture, recrystallization, and grain growth-the authors effectively fill the gap between the physics of grain boundary motion and its engineering practicality. The need for better microstructural design motivates permanent thrust for research in the field, and continued rapid progress appears inevitable. Grain Boundary Migration in Metals provides a solid foundation in the phenomena and serves as a valuable reference for professionals in materials science, solid state physics, and any industry engaged in metals production and the heat treatment of metals and alloys.
Book Synopsis Effects of Interstitial Impurities on the Mechanical Properties of Electrorefined Vanadium at Low Temperatures by : David R. Mathews
Download or read book Effects of Interstitial Impurities on the Mechanical Properties of Electrorefined Vanadium at Low Temperatures written by David R. Mathews and published by . This book was released on 1965 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Properties of Refractory Metals by : Walter D. Wilkinson
Download or read book Properties of Refractory Metals written by Walter D. Wilkinson and published by . This book was released on 1969 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt:
