High-temperature and high-pressure composite fretting wear testing device

A fretting wear and test device technology, applied in measuring devices, testing wear resistance, instruments, etc., can solve problems such as large size, deviation of test data, unfavorable operation, etc., to achieve easy operation, avoid interference factors, and ensure verticality. Effect

Pending Publication Date: 2019-02-05
上海凯尔孚应力腐蚀试验设备有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This structure makes the upper part of the kettle body too large, which is not conducive to the operation. At the same time, it also brings certain interference factors to the radial micro-motion system. When the kettle body and the radial micro-motion system move frequently, the interference factors gradually increase. The interference also increases gradually, which makes the experimental data deviate from

Method used

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  • High-temperature and high-pressure composite fretting wear testing device
  • High-temperature and high-pressure composite fretting wear testing device
  • High-temperature and high-pressure composite fretting wear testing device

Examples

Experimental program
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Effect test

Embodiment 1

[0047] see figure 1 , a high temperature and high pressure composite fretting wear test device, including an autoclave, a heating furnace, a tangential fixture mounting seat 6, a tangential fretting assembly, an auxiliary support mounting seat 23, and a radial fretting assembly. Wherein, the autoclave is arranged in the heating chamber of the heating furnace, including a kettle body 2 and a kettle cover 1, and the kettle cover 1 is arranged on the upper side of the kettle body 2, and the kettle body 2 and the kettle cover 1 can cooperate to form a Airtight chamber. The heating furnace includes a lower heating furnace 3 and an upper heating furnace 4, and the lower heating furnace 3 and the upper heating furnace 4 cooperate and wrap the autoclave. Through the vertical installation of the autoclave, the kettle body 2 is on the bottom and the kettle cover 1 is on the top, which reduces the volume of the upper part of the autoclave, facilitates operation, and avoids the problem o...

Embodiment 2

[0060] This embodiment is further limited on the basis of Embodiment 1, and other parts are the same as or similar to Embodiment 1, and will not be repeated here.

[0061] see figure 2 and image 3 , a high temperature and high pressure compound fretting wear test device, the driving device includes a servo motor and a cam linkage, which converts the rotational motion of the servo motor into a lateral reciprocating motion. The tangential reciprocating motion required for the test can be obtained by adjusting the servo motor and the cam linkage mechanism.

[0062] Further, the first end of the radial loading shaft 11 may also be fixedly connected to one side of the radial clamp 27 .

[0063] Further, the displacement sensor 19 is an LVDT sensor. The LVDT sensor measures the amplitude of the sample in the kettle in real time, and the upper computer collects and records the corresponding data in real time, which can realize the adjustment and control of the amplitude of the t...

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PUM

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Abstract

The invention discloses a high-temperature and high-pressure composite fretting wear testing device. A high-pressure kettle is arranged in a heating cavity of a heating furnace and comprises a kettlebody and a kettle cover, the kettle cover is arranged on the upper side of the kettle body, and an airtight cavity is formed by the kettle body and the kettle cover. A tangential clamp mounting seat is arranged in the kettle body and used for fixing a tangential clamp, and the tangential clamp clamps a to-be-tested first sample. A connecting part of a tangential fretting assembly penetrates through the side wall of the heating furnace and the side wall of the kettle body and is fixedly connected with the tangential clamp mounting seat. An auxiliary supporting mounting seat is arranged in the kettle body and used for supporting a radial clamp in an auxiliary mode, and the radial clamp clamps a to-be-tested second sample. A connecting part of a radial fretting assembly penetrates through theside wall of the heating furnace and the side wall of the kettle body. Through vertical mounting of the high-pressure kettle, the kettle body is located at the lower part, the kettle cover is locatedat the upper part, the size of the upper part of the high-pressure kettle is decreased, operation is convenient, and meanwhile, the problem that interference factors are magnified after frequent motion of the high-pressure kettle is avoided.

Description

technical field [0001] The invention belongs to the stress corrosion material research technology, in particular to a high-temperature and high-pressure composite fretting wear test device. Background technique [0002] With the development of material science in our country, the research on material fretting wear is getting more and more in-depth. There are many separate radial impact fretting wear or tangential fretting wear equipment on the market, but these equipment cannot be well simulated. Actual working conditions. It is technically difficult to simulate the actual working conditions, realize the composite fretting wear of radial impact fretting wear and tangential fretting wear under high temperature and high pressure, and accurately measure and control the fretting amplitude and frequency. It is difficult to see the corresponding test equipment on the market at present. [0003] In the existing test equipment, the kettle adopts an inverted structure, the lid of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/56G01N3/04G01N3/02
CPCG01N3/56G01N3/02G01N3/04G01N2203/0226G01N2203/0232
Inventor 周泓全张小康杨中燕
Owner 上海凯尔孚应力腐蚀试验设备有限公司
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