Title:
PRODUCTION OF ROTOR MATERIAL FOR HIGH SPEED HYSTERESIS MOTORS
Document Type and Number:
Japanese Patent JPS5323818
Kind Code:
A
Abstract:
PURPOSE:To produce a rotor material of high strength and very high square ratio used for hysteresis motors by subjecting Ni maraging steel of middle effective coercivity to solution heat treatment, cold working and aging.
Inventors:
KURODA TETSUO
Application Number:
JP9772176A
Publication Date:
March 04, 1978
Filing Date:
August 18, 1976
Export Citation:
Assignee:
HITACHI LTD
International Classes:
H01F1/047; C21D6/02; C21D8/12; C22C38/00; H01F1/00; H02K19/08; (IPC1-7): C21D6/02; H01F1/00; H02K19/08