Synthesis of diamond by extraction of a pulse derived from the abrupt collapse of a magnetic field
View Patent ↗A process for converting carbonaceous material into diamond utilizing the compressive force derived from an abruptly collapsing magnetic field.
1. The process of forming diamond from carbonaceous material, comprising:
a. filling into a closed electrically conductive container a charge comprising 100 percent granular graphite, the material of the container being flexible without fragmentation;
b. placing said filled container inside a multi-coil electrical winding;
c. exerting and abruptly terminating an electrical current through said winding to exert a magnetic pulse in said container and charge of such magnitude and duration as to create in said charge the conditions for conversion of state to diamond of at least some of said charge without a mascroscopic increase in the temperature of the charge; and
d. opening said container to remove the contents thereof, and separating diamond therefrom.
2. A process according to claim 1 in which the container is tubular with a peripheral electrically conductive metal wall, and a central axis, in which the container is placed inside said winding, coaxially with the axis of the winding.
3. A process according to claim 1 in which the power is supplied from a bank of capacitors controlled by a firing switch which abruptly discharges said bank.
4. A process according to claim 2 in which said container is subjected to said magnetic pulse a plurality of times, each at a different location along said container.
5. A process according to claim 1 in which said container is loaded and sealed while in a vacuum.
6. A process according to claim 1 in which the material of the container is aluminum or an alloy of aluminum.
7. A process according to claim 1 in which the electrical current is supplied from a bank of capacitors controlled by a firing switch which abruptly discharges said bank.
8. A process according to claim 7 in which said container is subjected to said magnetic pulse a plurality of times, each at a different location along said container.
9. A process according to claim 8 in which said container is loaded and closed while in a vacuum.
10. A process according to claim 9 in which the material of the container is aluminum or an alloy of aluminum.