Multifunctional in-situ electro-chemical measuring apparatus for tensile test
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An in-situ electrochemistry and measurement device technology, applied in the field of electrochemistry, can solve problems such as differences, errors, and incomplete experimental data, and achieve the effects of complete data points, easy operation, and reliable experimental data.
Inactive Publication Date: 2009-08-05
UNIV OF SCI & TECH BEIJING
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Problems solved by technology
[0004] The purpose of the present invention is to solve the problems of incompleteness of experimental data and errors caused by different experimental systems caused by the separate experiments of the original stretching instrument and electrochemical device.
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Embodiment 1
[0021] Example 1: Install the multifunctional in-situ electrochemical measuring device required for the tensile test to conduct the electrochemical test of the three-electrode system (simulation of a specific gas environment in the solution)
[0022] 1. Load the multifunctional in-situ electrochemical measuring device into the stretching machine, in which the chamber 13 falls on the lower chuck 15.
[0023] 2. Seal the tensile specimen 1 with the wire welded and the upper and lower chucks 14, 15 with 704 silica gel, leaving an area of the predetermined value for the test.
[0024] 3. Install the salt bridge 2, the thermocouple 4, and the rubber plug 10 into the top cover 12, and insert the metal platinum auxiliary electrode 3 into the rubber plug 10.
[0025] 4. Put the rubber plug 10 into the cavity 13, and pass the tensile sample 1 through the rubber plug in the cavity 13 and the top cover 12. The rotating top cover 12 and the chamber 13 are closed,
[0026] 5. Install the hea...
Embodiment 2
[0030] Example 2: Install the multifunctional in-situ electrochemical measuring device required for the tensile test to conduct the electrochemical test of the three-electrode system (simulation of the alternate dry and wet environment)
[0031] 1. Load the multifunctional in-situ electrochemical measuring device into the stretching machine, in which the chamber 13 falls on the lower chuck 15.
[0032] 2. Seal the tensile specimen 1 with the wire welded and the upper and lower chucks 14, 15 with 704 silica gel, leaving an area of the predetermined value for the test.
[0033] 3. Install the salt bridge 2, the thermocouple 4, and the rubber plug 10 into the top cover 12, and insert the metal platinum auxiliary electrode 3 into the rubber plug 10.
[0034] 4. Put the rubber plug 10 into the cavity 13, and pass the tensile sample 1 through the rubber plug in the cavity 13 and the top cover 12. The rotating top cover 12 and the chamber 13 are closed,
[0035] 5. Close the air inlet ...
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Abstract
A multifunctional in-situ electrochemical measuring device used for the tension test belongs to the electrochemical field. The multifunctional in-situ electrochemical measuring device used for the tension test is characterized in that a reference electrode, an auxiliary electrode and a working electrode are arranged in a top cover of the multifunctional in-situ electrochemical measuring device according to design and measurement requirements; the conductive wires of all the electrodes are connected with an electrochemical workstation; the air input of an air inlet and the air output of an air outlet are adjusted; an installed heating resistor and a thermocouple are connected with a temperature controlling device; the water flow of a water inlet and the water flow of a water outlet are adjusted, and the water inlet and the water outlet are connected with an externally connected water pump. The rotation time of a stepping motor is set, electrochemical parameters of a tensile test sample are measured after the temperature and the pressure are increased to the parameters required by the tension test, and the tension test is conducted after the force of the tensile test sample is adjusted. The multifunctional in-situ electrochemical measuring device used for the tension test has simple and easy method, can measure the electrochemical parameters of the tensile test sample in a long time and can simulate the temperature, the moisture, the gas, the alternation of wetting and drying, the surface scouring, the multiphase medium and complex environment of the tensile test sample.
Description
Technical field [0001] The present invention belongs to the field of electrochemistry. It mainly simulates complex environments such as temperature, humidity, gas, alternating dry and wet, surface erosion, and multiphase media for samples during dynamic tensile testing, and uses electrochemical in-situ detection technology to perform online Measurements, especially electrochemical measurements of stretched samples under long-term unmanned conditions. Background technique [0002] The traditional tensile testing machine can perform tensile, compression, bending, creep, relaxation and other tests on the sample according to the requirements of use. It is mainly used for testing and researching metal, non-metal, composite materials and their finished products in various media Mechanical properties under moderate corrosion and stress. Although the traditional tensile machine can apply various mechanical properties to the test sample, and can choose different clamps to apply the load a...
Claims
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