The Physical Metallurgy of Cobalt-base Superalloys

The Physical Metallurgy of Cobalt-base Superalloys
Author: H J Wagner
Publisher:
Total Pages: 100
Release: 1962
Genre: Cobalt
ISBN:

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A detailed picture is presented of the physical and chemical phenomena that affect the behavior of cobalt-base superalloys. Solid-solution strengthening is obtained from the high-melting metallic elements molybdenum, tungsten, tantalum, and columbium. These elements also participate in precipitation reactions involving their carbides. Precipitation of intermetallic compounds such as Ni3Ti is an important process in cobalt alloys containing appreciable amounts of nickel and titanium. The relationships among microstructure, heat treatment, and mechanical properties of the important commercial alloys are considered, and whenever possible, explained on the basis of the physical and chem cal processes that occur. (Author).

The Physical Metallurgy of Cobalt-base Superalloys

The Physical Metallurgy of Cobalt-base Superalloys
Author: H J Wagner
Publisher:
Total Pages: 102
Release: 1962
Genre: Cobalt
ISBN:

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A detailed picture is presented of the physical and chemical phenomena that affect the behavior of cobalt-base superalloys. Solid-solution strengthening is obtained from the high-melting metallic elements molybdenum, tungsten, tantalum, and columbium. These elements also participate in precipitation reactions involving their carbides. Precipitation of intermetallic compounds such as Ni3Ti is an important process in cobalt alloys containing appreciable amounts of nickel and titanium. The relationships among microstructure, heat treatment, and mechanical properties of the important commercial alloys are considered, and whenever possible, explained on the basis of the physical and chem cal processes that occur. (Author).

Nickel and Its Alloys

Nickel and Its Alloys
Author: United States. Bureau of Standards
Publisher:
Total Pages: 176
Release: 1924
Genre: Nickel
ISBN:

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A Primer on Soviet Superalloys

A Primer on Soviet Superalloys
Author: J. Prock (Jr.)
Publisher:
Total Pages: 64
Release: 1966
Genre: Cobalt-nickel alloys
ISBN:

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Soviet nickel-base and cobalt-base alloys for high-temperature operation are described. Wrought and cast turbine blading alloys are included, as well as oxidation-resistant sheet alloys. Mechanical and physical properties of each alloy are assembled, and a detailed list of references is presented. Where possible, the specific applications are noted. It was concluded that the Soviets have made significant contributions to superalloy development, having successfully circumvented a shortage of cobalt and molybdenum. (Author).

Long Term Stability of High Temperature Materials

Long Term Stability of High Temperature Materials
Author: G. E. Fuchs
Publisher: Minerals, Metals, & Materials Society
Total Pages: 240
Release: 1999
Genre: Technology & Engineering
ISBN:

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The proceedings of this symposium from the 1999 TMS Annual Meeting & Exhibition examine the effects of long-term thermal exposure and long-term service conditions on the microstructure and properties of high-temperature structural materials. A significant number of paper address nickel-based superalloys, elevated-temperature stability of intermetallic alloys, refractory metal alloys, composites, and titanium alloys. Also included are discussions on determining the degree and mechanism of property degradation, correlating laboratory exposure with actual service life, and analyzing properties and methods of component/property refurbishment.

Nuclear Science Abstracts

Nuclear Science Abstracts
Author:
Publisher:
Total Pages: 1296
Release: 1974
Genre: Nuclear energy
ISBN:

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Department of Defense Refractory Metals Sheet Rolling Program

Department of Defense Refractory Metals Sheet Rolling Program
Author: D. J. Maykuth
Publisher:
Total Pages: 48
Release: 1965
Genre: Heat resistant alloys
ISBN:

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This report is the third of a series which will periodically summarize the status of the various contracts involved in the Department of Defense Refractory Metals Sheet Rolling Program. Under this program, selected candidate materials are being carried through one or more of the following consecutive phases: Phase I, development of a sheet-production practice; Phase II, establishment of minimum design data; and Phase III, evaluation of sheetfabrication characteristics. To the present time, 13 contracts have been funded or planned in support of the Phase I, II, and III activities. This report summarizes the status of each of these individual contracts as of November 1, 1964. The first section describes the overall program of the Department of Defense Refractory Metals Sheet Rolling Program. Following, in the order of their discussions, are sections dealing with fabricable molybdenum alloys, unalloyed tungsten, columbium alloys, and tantalum alloys. (Author).