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RESEARCH PAPERS

Notch Sensitivity, Mechanical, and Microstructural Characteristics of TD-NiCr at Elevated Temperatures

[+] Author and Article Information
D. J. Wilson

University of Michigan, Ann Arbor, Mich.

A. Ferrari

Laboratory for Technology of Non-Traditional Metals, Milano, Italy

J. Eng. Mater. Technol 96(2), 109-114 (Apr 01, 1974) (6 pages) doi:10.1115/1.3443191 History: Received March 05, 1973; Revised September 28, 1973; Online August 17, 2010

Abstract

Tensile and creep-rupture tests were conducted for smooth and sharp edge-notched specimens of 0.015-in. (0.38 mm) thick TD-NiCr sheet at 1000 to 1800 deg F (538–982 deg C). The dislocation mechanisms operative were in good agreement with theoretical concepts. Time-dependent notch sensitivity was not observed. The notched specimen behavior correlated with the same mechanical characteristics and microstructural features as previously established for Waspaloy and Inconel 718 which are strengthened by coherent precipitates.

Copyright © 1974 by ASME
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