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An Investigation Of Various Properties Of NiAl

Report Number: WADC TR 52-291
Author(s): Richard L. Wachtell
Corporate Author: American Electro Metal Corporation
Laboratory: Materials Laboratory
Date of Publication: 1952-09
Pages: 40
Contract: AF 33(038)-10716
Project: None Given
PB Number: PB121021
AD Number: AD0012965
Original AD Number: 12965

Abstract:
A modified composition NiAl + 5% Ni was produced from which bodies were successfully fabricated by powder metallurgical techniques. Properly hot- pressed bars of the NiAl + 5% Ni composition showed strengths in modulus of repture as high as 144,000 psi at room temperature and 68,000 psi at 980C. The air oxidation resistance of the modified NiAl + 5% Ni composition was excellent up to 1095 C; weight gains of the order of 1.25 mg/sq cm were exhibited after 300 hr of exposure. Heat-shock properties were considered satisfactory on the basis of both NACA tests and performance in the Air Force heat-shock apparatus.

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This report has been indexed in U.S. Government Research Reports, vol. 25, no. 6, p.294, 6/15/1956
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