[PDF] Understanding The Roles Of The Strategic Element Cobalt In Nickel Base Superalloys eBook

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Understanding the Roles of the Strategic Element Cobalt in Nickel Base Superalloys

Joseph R. Stephens
Understanding the Roles of the Strategic Element Cobalt in Nickel Base Superalloys by Joseph R. Stephens PDF

Author : Joseph R. Stephens
Publisher :
Page : 30 pages
File Size : 14,92 MB
Release : 1983
Category : Aircraft gas-turbines
ISBN :

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The United States imports over 90 percent of its cobalt, chromium, tantalum and columbium -- all key elements in high temperature nickel-base superalloys for aircraft gas turbine disks and airfoils. NASA, through joint government/industry/university teams, has undertaken a long-range research program (COSAM - Conservation of Strategic Aerospace Materials) aimed at reducing or eliminating these strategic elements by examining their basic roles in superalloys and identifying viable substitutes. This paper discusses research progress in understanding the effects of cobalt and some possible substitutes on microstructure, mechanical properties, and environmental resistance of turbine alloys. (Author).

Metals Abstracts

Metals Abstracts by PDF

Author :
Publisher :
Page : 1218 pages
File Size : 32,45 MB
Release : 1985
Category : Metallurgy
ISBN :

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Powder Metallurgy of Superalloys

G. H. Gessinger
Powder Metallurgy of Superalloys by G. H. Gessinger PDF

Author : G. H. Gessinger
Publisher : Elsevier
Page : 363 pages
File Size : 20,5 MB
Release : 2013-10-22
Category : Technology & Engineering
ISBN : 148319244X

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Powder Metallurgy of Superalloys details the advancement of powder metallurgy in the context of producing superalloys. The book is comprised of nine chapters that cover the underlying principles of superalloys produced through powder metallurgy. The text first covers concerns in pre-alloyed dispersion-free powders, such as powder production and characterization; powder consolidation methods; and quality control and non-destructive evaluation of P/M superalloys. The next chapter talks about oxide-dispersion-strengthened superalloys. Next, the book discusses joining techniques for P/M superalloys and the practical applications of P/M superalloys. The title will be of great use to professionals in the materials manufacturing industry.