The Metallurgy of Alloy 718

[+] Author and Article Information
R. C. Hall

Martin Company, Orlando, Fla.

J. Basic Eng 89(3), 511-516 (Sep 01, 1967) (6 pages) doi:10.1115/1.3609651 History: Received January 03, 1967; Online November 03, 2011


The nickel-base wrought Alloy 718 was designed for high strength at elevated temperatures, that is, near 1200 deg F; the alloy also has exceptional mechanical properties at cryogenic temperatures. This paper reviews the metallurgy of Alloy 718. The effect of variations in composition, microstructure, and heat-treatment are correlated to mechanical properties; the relationships among these factors are complex and are described where possible.

Copyright © 1967 by ASME
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