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RESEARCH PAPERS

The Fabricability and Toughness of Laminar Composites of Maraging Steel

[+] Author and Article Information
S. Floreen, N. Kenyon, H. W. Hayden

The International Nickel Company, Inc., Paul D. Merica Research Lab., Sterling Forest, Suffern, N. Y.

J. Eng. Mater. Technol 96(3), 176-181 (Jul 01, 1974) (6 pages) doi:10.1115/1.3443207 History: Received February 11, 1974; Online August 17, 2010

Abstract

Laminar composites were prepared of outer layers of 18Ni (200) maraging steel with various inner layer materials. The composites showed reasonable fabricability in both hot and cold working operations. The materials were weldable, and the composite structure could be continued through the weld zone using conventional welding techniques. Yield strengths on the order of 200 ksi were obtained along with excellent crack stopping ability in impact, fracture toughness, stress-corrosion, and fatigue loading. In general, good combinations of fabricability and crack stopping ability can be achieved through the use of soft, relatively thick internal layers that are well bonded to the outer layers.

Copyright © 1974 by ASME
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