Download or read book Machine learning accelerated first principles predictions of the stability and mechanical properties of L12 strengthened cobalt based superalloys written by Shengkun Xi and published by OAE Publishing Inc.. This book was released on 2022-09-20 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: As promising next-generation candidates for applications in aero-engines, L12-strengthened cobalt (Co)-based superalloys have attracted extensive attention. However, the L12 strengthening phase in first-generation Co-Al-W-based superalloys is metastable, and both its solvus temperature and mechanical properties still need improvement. Therefore, it is necessary to discover new L12-strengthened Co-based superalloy systems with a stable L12 phase by exploring the effect of alloying elements on their stability. Traditional first-principles calculations are capable of providing the crystal structure and mechanical properties of the L12 phase doped by transition metals but suffer from low efficiency and relatively high computational costs. The present study combines machine learning (ML) with first-principles calculations to accelerate crystal structure and mechanical property predictions, with the latter providing both the training and validation datasets. Three ML models are established and trained to predict the occupancy of alloying elements in the supercell and the stability and mechanical properties of the L12 phase. The ML predictions are evaluated using first-principles calculations and the accompanying data are used to further refine the ML models. Our ML-accelerated first-principles calculation approach offers more efficient predictions of the crystal structure and mechanical properties for Co-V-Ta- and Co-Al-V-based systems than the traditional counterpart. This approach is applicable to expediting crystal structure and mechanical property calculations and thus the design and discovery of other advanced materials beyond Co-based superalloys.
Download or read book Research on Dispersion Strengthened Cobalt base Alloys written by A. L. Mincher and published by . This book was released on 1966 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cobalt-base alloys containing fine ThO2 dispersions were processed to round bar by powder metallurgy techniques and evaluated for physical and mechanical properties. The ThO2 dispersion increased the sluggishness of the allotropic transformation in cobalt. Strength at elevated temperature was improved by (1) increased ThO2, (2) a minor (0.2%) zirconium addition, and (3) increasing amount of secondary work. Oxidation resistance of the Co-ThO2 and Co-Ni-ThO2 alloys was similar to pure cobalt with scaling rates an order of magnitude greater than TD Nickel at 2200F. A chromium addition improved oxidation behavior. Preliminary evaluation on the chromium-containing alloys gave 2000 F tensile strengths of 10,000 psi or less, lower than on the alloys without chromium. Certain of these alloys with chromium recrystallized on high temperature annealing, and this was accompanied by an increase in 2000 F tensile strength. (Author).
Download or read book The Superalloys written by Roger C. Reed and published by Cambridge University Press. This book was released on 2008-07-31 with total page 363 pages. Available in PDF, EPUB and Kindle. Book excerpt: Superalloys are unique high-temperature materials used in gas turbine engines, which display excellent resistance to mechanical and chemical degradation. This book introduces the metallurgical principles which have guided their development. Suitable for graduate students and researchers, it includes exercises and additional resources at www.cambridge.org/9780521859042.
Download or read book Reactor Core Materials written by and published by . This book was released on 1960 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Glenn Coefficients for Calculating Thermodynamic Properties of Individual Species written by Bonnie J. McBride and published by . This book was released on 2002 with total page 300 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 Artificial Intelligence for Materials Science written by Yuan Cheng and published by Springer Nature. This book was released on 2021-03-26 with total page 231 pages. Available in PDF, EPUB and Kindle. Book excerpt: Machine learning methods have lowered the cost of exploring new structures of unknown compounds, and can be used to predict reasonable expectations and subsequently validated by experimental results. As new insights and several elaborative tools have been developed for materials science and engineering in recent years, it is an appropriate time to present a book covering recent progress in this field. Searchable and interactive databases can promote research on emerging materials. Recently, databases containing a large number of high-quality materials properties for new advanced materials discovery have been developed. These approaches are set to make a significant impact on human life and, with numerous commercial developments emerging, will become a major academic topic in the coming years. This authoritative and comprehensive book will be of interest to both existing researchers in this field as well as others in the materials science community who wish to take advantage of these powerful techniques. The book offers a global spread of authors, from USA, Canada, UK, Japan, France, Russia, China and Singapore, who are all world recognized experts in their separate areas. With content relevant to both academic and commercial points of view, and offering an accessible overview of recent progress and potential future directions, the book will interest graduate students, postgraduate researchers, and consultants and industrial engineers.
Download or read book Energy Materials 2017 written by Xingbo Liu and published by Springer. This book was released on 2017-03-06 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection highlights materials research and innovations for a wide breadth of energy systems and technologies. The volume includes papers organized into the following sections:Energy and Environmental Issues in Materials Manufacturing and ProcessingMaterials in Clean PowerMaterials for Coal-Based PowerMaterials for Energy Conversion with Emphasis on SOFCMaterials for Gas TurbinesMaterials for Nuclear EnergyMaterials for Oil and Gas
Download or read book Inorganic Materials Synthesis and Fabrication written by John N. Lalena and published by John Wiley & Sons. This book was released on 2008-01-09 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: This up-to-date, single-source reference on the preparation of single-phase inorganic materials covers the most important methods and techniques in solid-state synthesis and materials fabrication. Presenting both fundamental background and advanced methodologies, it describes the principles of crystallography, thermodynamics, and kinetics required, addresses crystallographic and microstructural considerations, and describes various kinds of reactions. This is an excellent text for materials science and engineering, chemistry, and physics students, as well as a practical, hands-on reference for working professionals.
Download or read book The Superalloys written by Chester Thomas Sims and published by John Wiley & Sons. This book was released on 1972 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Crystallographic Texture of Materials written by Satyam Suwas and published by Springer. This book was released on 2016-09-10 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Providing a comprehensive and invaluable overview of the basics of crystallographic textures and their industrial applications, this book covers a broad range of both structural and functional materials. It introduces the existing methods of representation in an accessible manner and presents a thorough overview of existing knowledge on texture of metallic materials. Texture analysis has widespread use in many industries, and provides crucial input towards the development of new materials and products. There has been rapid growth in the science and art of texture analysis in the last few decades. Other topics addressed within this book include recent research on texture in thin films and non-metals, and the dependence of material properties on texture, and texture control in some engineering materials. This book constitutes an invaluable reference text for researchers and professionals working on texture analysis in metallurgy, materials science and engineering, physics and geology. By using content selectively, it is also highly accessible to undergraduate students.
Download or read book Deformation and Fracture Mechanics of Engineering Materials written by Richard W. Hertzberg and published by . This book was released on 1989-01-17 with total page 714 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Third Edition of the well-received engineering materials book has been completely updated, and now contains over 1,100 citations. Thorough enough to serve as a text, and up-to-date enough to serve as a reference. There is a new chapter on strengthening mechanisms in metals, new sections on composites and on superlattice dislocations, expanded treatment of cast and powder-produced conventional alloys, plastics, quantitative fractography, JIC and KIEAC test procedures, fatigue, and failure analysis. Includes examples and case histories.
Download or read book TMS 2017 146th Annual Meeting Exhibition Supplemental Proceedings written by The Minerals, Metals & Materials Society TMS and published by Springer. This book was released on 2017-02-18 with total page 777 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection features papers presented at the 146th Annual Meeting & Exhibition of The Minerals, Metals & Materials Society.
Download or read book Ni Based Superalloys written by James Coakley and published by Trans Tech Publications Ltd. This book was released on 2020-07-28 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aggregated Book
Download or read book Heterostructured Materials written by Xiaolei Wu and published by CRC Press. This book was released on 2021-11-24 with total page 796 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heterostructured (HS) materials represent an emerging class of materials that are expected to become a major research field for the communities of materials, mechanics, and physics in the next couple of decades. One of the biggest advantages of HS materials is that they can be produced by large-scale industrial facilities and technologies and therefore can be commercialized without the scaling up and high-cost barriers that are often encountered by other advanced materials. This book collects recent papers on the progress in the field of HS materials, especially their fundamental physics. The papers are arranged in a sequence of chapters that will help new researchers entering the field to have a quick and comprehensive understanding of HS materials, including the fundamentals and recent progress in their processing, characterization, and properties.
Download or read book Integrated Computational Materials Engineering written by National Research Council and published by National Academies Press. This book was released on 2008-10-24 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: Integrated computational materials engineering (ICME) is an emerging discipline that can accelerate materials development and unify design and manufacturing. Developing ICME is a grand challenge that could provide significant economic benefit. To help develop a strategy for development of this new technology area, DOE and DoD asked the NRC to explore its benefits and promises, including the benefits of a comprehensive ICME capability; to establish a strategy for development and maintenance of an ICME infrastructure, and to make recommendations about how best to meet these opportunities. This book provides a vision for ICME, a review of case studies and lessons learned, an analysis of technological barriers, and an evaluation of ways to overcome cultural and organizational challenges to develop the discipline.
Download or read book Metastable Microstructures written by Dipankar Banerjee and published by . This book was released on 1993 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
