Device for accelerating material corrosion and corrosion performance testing method

A technology of dissolution and performance, applied in the field of metallurgy, can solve problems such as differences, and achieve the effect of accelerating the dissolution process and close test results

Pending Publication Date: 2022-01-07
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the above problems, the object of the present invention is to provide a device and testing method for accelerating material erosion, so as to solve the problems that the current accelerated erosion method using chemical reagent erosion may cause a large difference between the test results and the actual situation.

Method used

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  • Device for accelerating material corrosion and corrosion performance testing method
  • Device for accelerating material corrosion and corrosion performance testing method
  • Device for accelerating material corrosion and corrosion performance testing method

Examples

Experimental program
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Effect test

Embodiment 1

[0056] Take the concrete material as an example:

[0057] Devices for accelerating material erosion as provided above may be employed. First prepare the concrete material that meets the specified size, and cut the concrete material into a size of 100mm×100mm×20mm. In order to facilitate loading, the loading force requirement is not very high. Determine the specific value of the load force required to be loaded, which can be determined according to the actual service load stress level of the concrete. Then, prepare the corrosion ion solution, such as corrosion medium ion concentration or use deionized water directly. Determine the solution temperature and flow rate. If it is below 60°C, it can be determined according to the actual concrete service environment temperature. Determine the specific value of the ultrasonic emission frequency, such as the frequency above 40kHz, to ensure the cleaning effect.

[0058] The absolute dry weight, porosity, strength, weight percentage o...

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PUM

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Abstract

The invention provides a device for accelerating material corrosion and a corrosion performance test method. The device comprises a solution tank, a stress loading test device and a master control device; a solution flow rate regulation and control device, a temperature monitoring device, a heating device and an ultrasonic transmitting device are respectively arranged on the inner side wall of the solution tank; the stress loading testing device comprises a to-be-tested material placing frame arranged in a corrosion ion solution and a loading cross beam arranged above the to-be-tested material placing frame; the loading cross beam can move up and down along the vertical direction of the to-be-tested material placing frame; a pressure sensor is arranged at the lower part of the loading cross beam; and a controller is respectively connected with the solution flow rate regulation and control device, the temperature monitoring device, the ultrasonic transmitting device, the heating device, the pressure sensor and the loading cross beam. By utilizing the method, the problem that the result obtained by testing is likely to be greatly different from the actual condition in a conventional accelerated corrosion method adopting chemical reagent erosion can be solved.

Description

technical field [0001] The invention relates to the technical field of metallurgy, and more specifically, to a device for accelerating material dissolution and a method for testing corrosion performance. Background technique [0002] The corrosion performance of materials is an important index to evaluate the basic performance of materials in underwater environment or often subjected to water erosion. [0003] At present, most of the test methods for the corrosion performance of materials only consider the effect of the solution, and the accelerated dissolution method generally uses the method of chemical reagent erosion, which may be very different from the actual situation. Contents of the invention [0004] In view of the above problems, the object of the present invention is to provide a device and test method for accelerating material erosion, so as to solve the problems that the current accelerated erosion method using chemical reagent erosion may cause a large diffe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N17/00G01D21/02
CPCG01N17/00G01N17/002G01D21/02
Inventor 王俊杰李克非李乐
Owner TSINGHUA UNIV
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