Method for manufacturing a magnetic pulse generator

Details Method for manufacturing a magnetic pulse generator Method for manufacturing a magnetic pulse generator

1994-04-07

2000-09-19

Ip, Sikyin

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148306, 148312, 428611, 428678, 428679, 428928, 307106, H01F 300

Patent

active

061206172

ABSTRACT:
For manufacturing a pulse generator wherein a voltage pulse dependent on the change in magnetic field can be achieved by sudden magnetic reversal (Barkhausen skip) given an applied magnetic field, an iron alloy is employed for one of the materials of the composite member, the additional alloy constituents of this iron alloy being selected such that a structural conversion with volume change respectively occurs at different temperatures. For producing the stressed condition, a thermal treatment is then implemented, which includes heating above the upper transition temperature and a cooling below the lower transition temperature. As a result, substantially greater stresses between the materials of the composite member arise, causing a pulse behavior significantly improved in comparison to known pulse generators of the type capable of recognizing constant or alternating magnetic fields.

REFERENCES:
patent: 4660025 (1987-04-01), Humphrey
patent: 4950550 (1990-08-01), Radeloff et al.
"The Physical Metallurgy of Maraging Steels", Floreen, S., Metallurgical Reviews, vol. 13 No. 126, pp. 115-12B, 1968.
"Ein extrafester Maraging-Stahl mit 250 kp/mm.sup.2 Zugfestigkeit." Scheidl, Radex-Rundschau, 1972, vol. 3/4 pp. 212-215.
Einfluss wiederholter Phasenubergange auf die .gamma.=.epsilon.-Umwandlung in austenitischen Manganstahlen, Schumann, et al., Zeitschrift fur Metallkunde, vol. 56, No. 3 (1965) pp. 165-172.

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