SU469619A1 - Device to create a super high pressure - Google Patents

Description

The invention relates to the field of pressure treatment of materials, specifically to devices for creating ultrahigh pressure. A device for creating ultrahigh pressure is known, which contains two conical anvils fastened together with supporting rings, between which a sample to be processed and a cylindrical holder of elastic insulating material is mounted. The disadvantages of the known device are the relatively small volume of the material being processed and the difficulty of heating the material being processed. The purpose of the invention is to increase the height and volume of the material being processed and to improve its heating. In the proposed device, conical anvils are mounted in supporting rings, and the device itself is equipped with an additional deformable locking ring with a ring of easily compressible material covering it but its periphery. The locking ring is mounted in a conical cavity formed by the conical surfaces of the anvils and the surfaces of the recesses formed on the ends of the mating with the anvils of the supporting rings. The design of the described device is shown in the drawing. The device contains two carbide anvils 1, each of which is mounted with tension into the cavity of the appropriate form of block 2 of a multi-layer annular support, an ultrahigh pressure cell consisting of a proper cell 3 with a heater and a test substance, an elastic-plastic locking ring cell volume 4 located in special grooves made along the contour around the ends of the punches, the anvils 1. On the periphery of the ring 4 there is a lock 5 of an easily compressible material. When a smoothly increasing force is applied to the device, both support blocks and anvils come together and, thanks to their special form, create in the cell a three-dimensional voltage circuit close in the center to quasi-hydrostatic pressure. In this case, the main role is played by the ring 4, which prevents the cell material from flowing out from under the working ends of the anvils 1, and the plate 5, reducing the flow of the material of the ring 4 and creating an axial load on the inner ring of the multi-layer support. As the pressure force increases in the center of the cell, the pressure increases, depending on the degree of cell compression. Subsequently determined by the magnitude of the anvil stroke, the modulus of their elasticity

material, the effectiveness of the locking ring 4 and washers 5.

Upon reaching the required pressure, the necessary subsequent operations are carried out (heating, measuring, etc.).

After removing the force, the cell 3, the ring 4, the clamp 5 can be easily removed from the block 2; The device is ready for the next loading.

Subject invention

A device for creating ultrahigh pressure, containing two conical anvils fastened together with supporting rings, between which the machined

A sample with a cylindrical holder of plastic electrically insulating material, characterized in that, in order to increase the height and volume of the material being processed and to improve its heating, the conical anvils of the device are mounted in supporting rings, and the device is equipped with an additional deformable locking ring with a circumferential circumference surrounding it an easily compressible material, the locking ring being installed in a conical cavity formed by the conical surfaces of the anvils and the surfaces killings performed at the ends of the mating with the anvils of the supporting rings.