Oxidation of Nickel- and Cobalt-base Superalloys PDF Download
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Author: Carl H. Lund
Publisher:
ISBN:
Category : Cobalt alloys
Languages : en
Pages : 38
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Book Description
This report presents information dealing with the oxidation of nickel- and cobalt-base superalloys. All of the superalloys will oxidize at high temperatures when oxygen is present in the enveloping atmosphere. The rate of oxidation depends upon alloy composition, temperature, oxygen concentration, oxides formed, diffusion rates of the metals in both base metal and oxide, diffusion rate of oxygen in the oxide, solubility of oxygen in the matrix, and a host of other variables. The effects of oxidation can be beneficial or they can be harmful. The first section of this report deals with the fundamentals of the oxidation of Ni-Cr and Co-Cr alloys. Subsequent sections discuss general surface oxidation, intergranular oxidation, other subsurface oxidation, and the effect of stress on the rate of oxidation. Numerous specific alloys are mentioned in the report; as an aid to the reader, the appendix contains an alloy index of the alloys mentioned in the report along with the compositions of the alloys, and the pages on which mention of the alloys is made.
Author: Carl H. Lund
Publisher:
ISBN:
Category : Cobalt alloys
Languages : en
Pages : 38
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Book Description
This report presents information dealing with the oxidation of nickel- and cobalt-base superalloys. All of the superalloys will oxidize at high temperatures when oxygen is present in the enveloping atmosphere. The rate of oxidation depends upon alloy composition, temperature, oxygen concentration, oxides formed, diffusion rates of the metals in both base metal and oxide, diffusion rate of oxygen in the oxide, solubility of oxygen in the matrix, and a host of other variables. The effects of oxidation can be beneficial or they can be harmful. The first section of this report deals with the fundamentals of the oxidation of Ni-Cr and Co-Cr alloys. Subsequent sections discuss general surface oxidation, intergranular oxidation, other subsurface oxidation, and the effect of stress on the rate of oxidation. Numerous specific alloys are mentioned in the report; as an aid to the reader, the appendix contains an alloy index of the alloys mentioned in the report along with the compositions of the alloys, and the pages on which mention of the alloys is made.
Author: I. G. Wright
Publisher:
ISBN:
Category : Cobalt alloys
Languages : en
Pages : 70
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Book Description
Iron-, nickel-, and cobalt-base superalloys, starting from the compositions Fe-20Cr, Ni-20Cr, and Co-(20 to 25)Cr, have been developed along fundamentally different routes dictated mainly by differing compositional requirements in the search for increased high temperature strength. In Ni-Cr alloys, for example, chromium content has been decreased gradually, and the aluminum content increased to the extent that the alloys now are basically Ni-Cr-Al alloys. In the review current data relating to the oxidation of the relevant pure metals and their binary and ternary alloys are examined first, and then data on oxidation of the more complex engineering alloys are considered. The oxidizing atmosphere is assumed to be oxygen or air, but the mechanisms described generally are applicable to other oxidizing atmospheres. (Author).
Author: George Y. Lai
Publisher: ASM International
ISBN: 1615030557
Category : Technology & Engineering
Languages : en
Pages : 469
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Book Description
George Lai's 1990 book, High-Temperature Corrosion of Engineering Alloys, is recognized as authoritative and is frequently consulted and often cited by those in the industry. His new book, almost double in size with seven more chapters, addresses the new concerns, new technologies, and new materials available for those engaged in high-temperature applications. As we strive for energy efficiency, the realm of high-temperature environments is expanding and the need for information on high temperature materials applications was never greater. In addition to extensive expansion on most of the content of the original book, new topics include erosion and erosion-corrosion, low NOx combustion in coal-fired boilers, fluidized bed combustion, and the special demands of waste-to-energy boilers, waste incinerators, and black liquor recovery boilers in the pulp and paper industry. The corrosion induced by liquid metals is discussed and protection options are presented.
Author: Ulrich Heubner
Publisher: CRC Press
ISBN: 1482270579
Category : Technology & Engineering
Languages : en
Pages : 328
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Book Description
This book evaluates the latest developments in nickel alloys and high-alloy special stainless steels by material number, price, wear rate in corrosive media, mechanical and metallurgical characteristics, weldability, and resistance to pitting and crevice corrosion. Nickel Alloys is at the forefront in the search for the most economic solutions to c
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 418
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Author: Per Kofstad
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 366
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Author:
Publisher:
ISBN:
Category : Mineral industries
Languages : en
Pages : 580
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Author: Myer Kutz
Publisher: John Wiley & Sons
ISBN: 1118907485
Category : Technology & Engineering
Languages : en
Pages : 1042
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Book Description
Full coverage of materials and mechanical design in engineering Mechanical Engineers' Handbook, Fourth Edition provides a quick guide to specialized areas you may encounter in your work, giving you access to the basics of each and pointing you toward trusted resources for further reading, if needed. The accessible information inside offers discussions, examples, and analyses of the topics covered. This first volume covers materials and mechanical design, giving you accessible and in-depth access to the most common topics you'll encounter in the discipline: carbon and alloy steels, stainless steels, aluminum alloys, copper and copper alloys, titanium alloys for design, nickel and its alloys, magnesium and its alloys, superalloys for design, composite materials, smart materials, electronic materials, viscosity measurement, and much more. Presents comprehensive coverage of materials and mechanical design Offers the option of being purchased as a four-book set or as single books, depending on your needs Comes in a subscription format through the Wiley Online Library and in electronic and custom formats Engineers at all levels of industry, government, or private consulting practice will find Mechanical Engineers' Handbook, Volume 1 a great resource they'll turn to repeatedly as a reference on the basics of materials and mechanical design.
Author: Ehsan Toyserkani
Publisher: CRC Press
ISBN: 9780849321726
Category : Technology & Engineering
Languages : en
Pages : 288
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Book Description
Capitalizing on the rapid growth and reduced costs of laser systems, laser cladding is gaining momentum, and in some instances replacing conventional techniques of depositing thin films because it can accommodate a great variety of materials, achieve uniform thickness and precise widths of layers, and provide improved resistance to wear and corrosion in the final product. Laser cladding technology also offers a revolutionary layered manufacturing and prototyping technique that can fabricate complex components without intermediate steps. Laser Cladding reviews the parameters, techniques and equipment, process modeling and control, and the physical metallurgy of alloying and solidification during laser cladding. The authors clarify the interconnections laser cladding has with CAD/CAM design; automation and robotics; sensors, feedback, and control; physics, material science, heat transfer, fluid dynamics, and powder metallurgy to promote further development and improved process quality of this growing technology. As the first book entirely dedicated to the topic, it also offers a history of its development and a guide to applications and market opportunities. While a considerable part of Laser Cladding is dedicated to industrial applications, this volume brings together valuable information illustrated with real case studies based on the authors' vast experience, and research and analysis in the field to provide a timely source for both academia and industry.
Author:
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 658
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Book Description
