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Machine for testing tensile stress under high temperature & high pressure environments

A high-temperature, high-pressure, stress test technology, applied in the direction of applying stable tension/pressure to test the strength of materials, measuring devices, instruments, etc., can solve the problems of inability to measure the corrosion resistance of materials, reduce economic losses, facilitate the test, and test The effect of reliable data

Inactive Publication Date: 2013-04-17
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing tensile testing machine can only measure the tensile and compressive properties of materials under normal temperature and pressure, and cannot measure the corrosion resistance of materials in high temperature and high pressure corrosive media.

Method used

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  • Machine for testing tensile stress under high temperature & high pressure environments
  • Machine for testing tensile stress under high temperature & high pressure environments
  • Machine for testing tensile stress under high temperature & high pressure environments

Examples

Experimental program
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Embodiment Construction

[0013] refer to figure 1 , 2 3. When it is necessary to measure the corrosion resistance of a material in a certain environment, start the auxiliary system 3 to clean and purge the entire device. After cleaning and purging, fix the test piece in the high-temperature autoclave 7 with a clamp 9, and cover the lid of the autoclave. Inject a certain amount of liquid with a corrosive medium into the high-temperature autoclave 7, raise the temperature and pressure of the high-temperature autoclave 7 through the heating furnace 8 in the high-temperature autoclave system 2, and control the temperature and pressure in the high-temperature autoclave 7 by the control system monitor. When the pressure and temperature required by the environment are reached, the control system 4 issues an instruction, and the heating furnace 8 stops heating and enters a heat preservation state. At this time, the stretching machine system starts to perform pulse stretching on the specimen. When the expe...

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Abstract

The invention discloses a machine for testing the tensile stress under high temperature & high pressure environments, which comprises a tension machine, a high-temperature & high-pressure kettle system, an auxiliary system, a control system and a software system, wherein the tension machine is connected with the high-temperature & high-pressure kettle system by a tension rod; the auxiliary systemis connected with the high-temperature & high-pressure kettle system by two pipelines; the control system is connected with the tension machine system, the high-temperature & high-pressure kettle system and the auxiliary system by control lines; and the software system is stored in a computer of the control system and connected with the tension machine by data lines. The machine disclosed by the invention is real in simulated environment, reliable in test data, convenient to test and good in safety; and the experimental results can provide a reliable reference for the design and service life prediction of chemical equipment, facilitate the prevention of safety accidents of the chemical equipment and reduce the economic loss.

Description

technical field [0001] The invention relates to the field of tensile stress testing machines, in particular to a tensile stress testing machine under high temperature and high pressure environment. Background technique [0002] In large-scale chemical and oil refining units, a large number of equipment serve in high-temperature, high-pressure corrosive media. Due to corrosion fatigue, stress corrosion, pitting corrosion and other reasons, equipment is prone to failure and failure, and causes high economic losses and serious safety accidents. Therefore, it is of great significance to test the corrosion resistance of materials in high temperature and high pressure corrosive media for chemical equipment design and life prediction. However, the existing tensile testing machine can only measure the tensile and compressive properties of materials under normal temperature and pressure, and cannot measure the corrosion resistance of materials in high temperature and high pressure c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/18G01N3/02
Inventor 程光旭胡海军张耀亨武玮何鹏飞邵鹏程
Owner XI AN JIAOTONG UNIV
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