Electric heating – Metal heating – By arc
Patent
1980-04-28
1982-05-04
Albritton, C. L.
Electric heating
Metal heating
By arc
29596, 219121EB, 219121EM, 219121L, 219121LG, 219121LM, 225 2, 225 935, 225 965, B23K 1500
Patent
active
043284116
ABSTRACT:
A rapid method of cutting thin amorphous metal sheet material is to use a focused heat source such as a laser beam or electron beam to heat local regions of the material above the crystallization temperature and form brittle crystalline lines along which the material fractures when it is mechanically deformed as by passage through a set of rollers. The material is not melted and does not form burrs. A higher packing factor is possible for motor and transformer laminations.
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Haller Theodore R.
Jones Marshall G.
Kliman Gerald B.
Tompkins Russell E.
Albritton C. L.
Davis Jr. James C.
General Electric Company
Snyder Marvin
Steinberg William H.
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