SU690683A1 - Method of generating a high pressure - Google Patents

Abstract

DEVICE FOR CREATION. You- '; Of the second pressure, containing two co-located with the matrix, on facing one another surface of which there are recesses for placing the container with the sample, characterized in that, in order to provide the possibility of increasing hydrostatic pressures used in conjunction with various types of radiation, the matrices are made of superhard materials that are transparent to radiation, and in a container is placed an airtight container filled with a liquid with the test sample and pressure sensor and electrical inputs; .2. The device POP.1, characterized by ";, is that, in order to mutually self-adjust the matrices in the process of creating pressures, facing one another and contacting with the container of the surfaces of the matrices are convex-convex. (Lae. O ^ oo !) 0000

Description

169

The invention relates to a technique for producing high hydrostatic pressures in liquid media and can be used to study the physical properties of solids and liquids under pressure.

The known device for creating high pressures contains two coaxially arranged arrays, on the circumference of which end surfaces face each other, which are recessed to accommodate the container with the sample.

A disadvantage of the known device is that when a solid is compressed, a complex stress state is created, characterized by both normal and shear components of the stress tensor, and thus the interpretation of physical research data under such conditions is ambiguous. In addition, the opposed device does not have a constant control over the magnitude of E4Ender and it is impossible to carry out physical studies using it with the use of various types of radiation with a constant solid angle.

The invention makes it possible to increase the hydrostatic pressure using Mie together with various types of radiation, due to the fact that the matrices are made of superhard materials transparent to the radiation, and c. container accommodating a liquid-filled container with a test sample and a pressure sensor with electrical inputs

In addition, the dp of the mutual self-adjustment of the matrices in the process of creating pressures, close to each other and the end. The surfaces of the matrices tactile with the container are made of convex.

Figure 1 shows the proposed. device; figure 2 - the mechanism itself; -;

In the matrices G, channels filled with L-pvs .2 are made of superhard materials transparent for the corresponding radiations (for example, polycrystalline cubic boron nitride for Messbauzer and X-rays, the neutron contains a mixture of aluminum, dp optical radiation — sapphire), and inside Container 3 is sealed capacity 4, filled with working fluid 5, non-solid in the range of pressures obtained (for example, a mixture of alcohols). The test sample 6 and the manganin pressure sensor 7 are located in the hermetic vessel 4, and the electrical leads 8 of the pressure sensor 7 are removed from the vessel 4 to the outside through the walls of the vessel 4 and the body of the container 3. The walls of the sealed container 4 directly in contact with the transparent liners 2 are made of materials transparent to , radiation (eg Teflon, polyethylene). The matrix 1 is fastened on the side surface of the supporting rings 9.

In order to significantly increase the hydrostatic pressure in the matrix device, they are made entirely of superhard materials, for appropriate radiation and dp of increasing the strength properties of the matrices, container 3 fills the entire space between the matrices 1. The use of continuous superhard matrices allows for greater compression of the container with capacity — without destruction of the matrices

In order to achieve mutual self-adjustment of the matrices 1 (see Fig. 2) in the process of creating a pressure on the surface of the 10 matrices in contact with the container, convex shapes (for example, in the form of sphere segments) are made.

1 3 10 5 and

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Claims (2)

DEVICE FOR CREATION. YOU - `` SO PRESSURE PRESSURE, containing two co-located '' matrices, on the facing surfaces of which are facing one another and have recesses for accommodating the container with the sample, characterized in that, in order to provide the possibility of increasing hydrostatic pressures used in conjunction with various types of radiation, the matrices are made of superhard materials that are transparent to radiation, and in the container there is a sealed, liquid-filled container with the test, sample and pressure sensor and electrical inputs and; 2. The device according to claim 1, characterized in that, for the purpose of mutual self-alignment of the matrices in the process of creating pressure, the surfaces of the matrices facing one another and in contact with the container are made convex. SU from 00 oo