Method for manufacturing extremely thin magnetic plates for mult

Details Method for manufacturing extremely thin magnetic plates for mult Method for manufacturing extremely thin magnetic plates for mult

1979-08-09

1982-11-23

Hunt, Brooks H.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75208R, 148104, 148105, B22F 300

Patent

active

043603823

ABSTRACT:
A number of extremely thin magnetic plates advantageously used for head cores are formed at one time by subsequent application of pressing, sintering, peripheral cutting and separating to a green multilayer construction which includes alternately superimposed metallic powder and parting agent layers, the former resulting in the magnetic plates. High yield is obtained with trouble-free process while making the best use of hard-to-work materials such as Fe-Al-Si type alloys which in general have excellent magnetic properties.

REFERENCES:
patent: 2158132 (1939-05-01), Legg
patent: 2221983 (1940-11-01), Mayer et al.
patent: 2655716 (1953-10-01), Marinis
patent: 2830358 (1958-04-01), Millen
patent: 2992474 (1961-07-01), Adams et al.

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