A device for synthesizing diamond crystals using metal electric explosion effect
A technology of synthetic diamond and electric explosion, which is applied in the process of applying ultra-high pressure and other directions, can solve the problems of small crystal particles of synthetic diamond and inability to finely control the explosion energy and so on.
Inactive Publication Date: 2018-01-09
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI +1
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[0005] The purpose of the present invention is to overcome the shortcomings of the existing explosive technology that the explosion energy cannot be finely controlled and the synthetic diamond crystal particles are too small, and propose a device for artificially synthesizing diamond crystals by using the metal electric explosion effect
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[0023] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0024] The invention includes N discharge units, a timing controller S1 for controlling the discharge timing of several discharge units, an electric explosion chamber and a graphite component containing a metal conductor layer, N is a positive integer greater than 1 and less than 16. N discharge units are connected in parallel, the positive pole of the discharge unit is connected to the upper discharge electrode S110 of the electric explosion chamber, the negative pole of the discharge unit is connected to the lower discharge electrode S118 of the electric explosion chamber; the graphite component is placed between the upper discharge electrode S110 and the lower discharge electrode S118 between. The timing controller S1 is respectively connected to the control terminal of the discharge switch in each discharge unit.
[0025] Each discharge un...
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A device for synthesizing diamond crystals through the metal electric explosion effect comprises N discharge units, a time schedule controller (S1), an electric explosion chamber and a graphite assembly.N is a positive integer larger than 1 and smaller than 16.The N discharge units are connected in parallel, positive electrodes of the discharge units are connected with an upper discharge electrode (S110) of the electric explosion chamber, and negative electrodes of the discharge units are connected with a lower discharge electrode (S118) of the electric explosion chamber.The graphite assembly is located between the upper discharge electrode (S110) and the lower discharge electrode (S118).The time schedule controller (S1) is connected with the control end of a discharge switch in each discharge unit.Each discharge unit comprises an energy storage capacitor, a discharge switch, a current-limiting inductor and a fly-wheel diode.The positive end of each energy storage capacitor is connected with a positive electrode of the corresponding discharge switch, a negative electrode of each discharge switch is connected with a negative electrode of the corresponding fly-wheel diode, and a positive electrode of each fly-wheel diode is connected with the negative end of the corresponding energy storage capacitor.One end of each current-limiting inductor is connected with a negative electrode of the corresponding discharge switch, and the other end of each current-limiting inductor serves as the positive electrode of the corresponding discharge unit.The negative end of each energy storage capacitor serves as the negative electrode of the corresponding discharge unit.
Description
technical field [0001] The invention relates to the technical field of artificially synthesized diamond crystals, in particular to a device for synthesizing diamond by using the metal electric explosion effect. Background technique [0002] At present, in the field of industrial applications, the methods of artificially synthesizing diamond mainly include high-temperature static pressure method and explosive detonation method. Among them, the explosive detonation method generates high temperature and strong shock waves during the explosive detonation process, and the graphite phase changes into diamond particles under the rapidly changing physical conditions of high temperature and high pressure. However, the current explosive detonation method has explosive storage, safety problems brought during the construction of explosives, and various limitations in use. At the same time, the explosion of explosives belongs to the conversion of chemical energy, and the release process...
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IPC IPC(8): B01J3/08
CPCB01J3/08B01J2203/0655
Inventor 徐旭哲李红东孙鹞鸿成绍恒严萍
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI