Very high pressure apparatus for quenching

Details Very high pressure apparatus for quenching Very high pressure apparatus for quenching

1983-09-02

1985-06-18

Rutledge, L. Dewayne

Metallurgical apparatus

Means treating solid metal

425 77, 266259, C21D 900

Patent

active

045237484

ABSTRACT:
A method and apparatus is provided for rapidly "pressure quenching" or reducing the pressure on samples from very high pressures at rates substantially in excess of 10.sup.6 up to 10.sup.10 bars, or atmospheres, per second, or more, while avoiding damage to the high pressure system. The high pressure system is comparable to that employed to make artificial diamonds, and includes optional arrangements for heating, cooling, and applying electric and magnetic fields to the pressure quenched sample. Special arrangements are provided for circulating cooling fluid in the vicinity of the metastable material to rapidly cool it, immediately prior to decompression.

REFERENCES:
patent: 3109553 (1963-11-01), Fike et al.
patent: 3559242 (1971-02-01), Marcovitch
patent: 3842665 (1974-10-01), Sober
patent: 4225300 (1980-09-01), Latter
Homan C. G. et al., "Magnetic Moment of Pressure Quenched Cadmium Sulfide", Sol. Sta. Com., vol. 32, pp. 521-524, 1979.
Spain I. L. et al., "Materials Under Pressure", Chemtech, Jun. 1973, pp. 367-378.

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