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AC GENERATOR ROTOR MATERIALS.
WESTINGHOUSE ELECTRIC CORP LIMA OH AEROSPACE ELECTRICAL DIV
This report contains a complete summary of available magnetic, mechanical and thermophysical property data obtained on six of the candidate materials for the SNAP-50SPUR generator rotor. Some of the data was taken from the literature, however, the bulk of the creep and magnetic data had to be obtained from tests since they were not available in the literature. In all, seven different alloys were considered for use in the SNAP-50SPUR alternator AISI H-11, Crucible Steels AFC77, the Ladish Company D-11, three grades of maraging steel containing 15, 18 and 20 percent nickel respectively, and AISI 4340.
Final rept. 1 Jan 63-1 Jun 66,
Prepared in cooperation with Garrett Corp., Los Angeles, Calif. Contracts AF 33(615)-1551 and AF 33(657)-10922.