Small-size rotating type diamond anvil cell press device

A diamond top-to-top and rotary technology, which is applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problem of not being able to apply shear to the sample at the same time, and achieve the effect of in-situ measurement, small size, and simple structure

Inactive Publication Date: 2017-02-22
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the problem that the traditional press cannot apply shearing action to the sample at the same time under high pressure conditions, and provide a device with simple structure, small size and capable of applying shearing action to the sample under high pressure condition

Method used

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  • Small-size rotating type diamond anvil cell press device
  • Small-size rotating type diamond anvil cell press device
  • Small-size rotating type diamond anvil cell press device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1 illustrates the structure of the small rotary diamond anvil press of the present invention in conjunction with the accompanying drawings

[0021] The structure of the small rotary diamond anvil press of the present invention is as attached Figure 1~6 shown. The structure includes the rotating rod socket 1, the ball bearing 2, the pressure screw 3, the disc spring sheet 4, the upper outer cylinder of the press 5, the inner piston of the press 6, the lower outer cylinder of the press 7, the fastening screw 8, Diamond anvil 9, spacer 10, sample cavity 11, support block 12, press dial 13, rotating rod 14 and scale line 15 of the dial. The outer wall of the inner piston 6 of the press can be tightly fastened with the inner wall of the upper outer cylinder 5 of the press and the inner wall of the lower outer cylinder 7 of the press, and the ball bearing 2 is placed between the upper outer cylinder 5 of the press and the inner piston 6 of the press , the diamon...

Embodiment 2

[0024] Embodiment 2 The assembly process of the small rotary diamond anvil press of the present invention

[0025] First clean the two diamond anvils 9, and then fix the diamond anvils 9 on the support block 12 with a repair agent, and place the upper and lower support blocks 12 in the lower outer cylinder 7 of the press and the inner piston 6 of the press respectively. , and fix the supporting block 12 with the fastening screw 8, through leveling and centering, the anvil surfaces of the upper and lower diamond anvils 9 are parallel and completely overlapped. The sample to be tested is packaged between two diamond anvils 9 and sealed with a pre-pressed gasket 10 . The ball bearing 2 coated with lubricating oil is set on the inner piston 6 of the press, so that the upper outer cylinder 5 of the press is set on the inner piston 6 of the press and covers the ball bearing 2 . Put the rotating rod 14 in the rotating rod socket 1, and tighten the pressure screw 3. The above-mentio...

Embodiment 3

[0026] Example 3 Application of pressure and shear

[0027] The small-sized rotary diamond counter-anvil press of the present invention adopts a screw pressurizing pressurizing device, and four pressurizing screws 3 symmetrically distributed are screwed into the thread of the outer cylinder 7 under the press to push the inner piston 6 of the press. Squeeze to realize the pressurization of diamond anvil 9. The Belleville spring sheet 4 on the pressure screw 3 ensures that the loading force applied to the diamond anvil 9 is even and constant. The above process is a vertical pressurization process. Under the condition of constant vertical pressure, that is, under the condition that the pressure screw 3 maintains a certain amount of precession, the upper and lower diamond anvils 9 are relatively rotated by the rotation of the rotating rod 14, and the upper and lower diamond anvils 9 are rotated relative to each other through the rotation of the piston 6 on the top side of the pre...

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Abstract

The invention discloses a small-size rotating type diamond anvil cell press device, and belongs to the technical field of physical quantity in-situ measuring devices under high-temperature high-pressure conditions. The small-size rotating type diamond anvil cell press device structurally comprises a rotating rod inserting hole (1), ball bearings (2), pressurizing screws (3), belleville springs (4), an upper outer press cylinder (5), an inner press piston (6), a lower outer press cylinder (7), fastening screws (8), diamond anvils (9), a spacer (10), a sample cavity (11), support blocks (12), a scale disc (13), a rotating rod (14) and scale disc lines (15). The small-size rotating type diamond anvil cell press device is simple in structure and small in size, vertical pressurization, rotational pressurization or simultaneous vertical rotation and pressurization can be achieved, an upper anvil and a lower anvil can be rotated for any angle relative to each other, and a shearing function can be effectively adjusted.

Description

technical field [0001] The invention belongs to the technical field of in-situ measuring devices for physical quantities under high temperature and high pressure conditions, and in particular relates to a device for measuring various physical quantities of samples under extreme conditions such as high temperature and high pressure in a diamond anvil while applying shear force. Background technique [0002] The diamond counter-anvil is currently the only scientific device capable of producing a static pressure of one million atmospheres, and is the most important scientific instrument in the field of high-pressure science and technology research. The diamond-anvil experimental technique can not only achieve the highest experimental temperature and pressure under static conditions, but also allow in-situ observation of substances under high temperature and high pressure and in-situ measurement of many instruments, such as microscope observation, infrared spectroscopy, and laser...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/24
CPCG01N3/24G01N2203/0003G01N2203/0025G01N2203/0232G01N2203/0244
Inventor 祝洪洋卜焕鹏崔啟良
Owner JILIN UNIV
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