High-temperature power generation, stirring and stress corrosion device
A technology of stress corrosion and thermoelectric power generation sheet, which is applied in the directions of measuring devices, weather resistance/light resistance/corrosion resistance, and the use of stable tension/pressure to test the strength of materials, etc. It can solve problems such as corrosion resistance and uneven concentration distribution, and achieve Increased service life, simple structure, and stable solubility
Inactive Publication Date: 2017-04-26
JIANGSU UNIV
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Problems solved by technology
[0004] In view of the problems existing in the prior art, the main purpose of the present invention is to provide a high-temperature power generation stirring stress corrosion device to solve the problems in the prior art that bubbles generated on the surface of the high-temperature stress corrosion specimen hinder the normal progress of corrosion, and the concentration distribution caused by stratification of the corrosive medium In order to solve the problem of unevenness and corrosion products attached to the surface of the sample to hinder the progress of corrosion, a high-temperature power generation stirring stress corrosion device is provided, which has the advantages of simple structure, convenient operation, accurate and reliable measurement results, etc.
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[0026] The structure of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0027] Example figure 1 As shown, the high-temperature power generation stirring stress corrosion device of this embodiment includes a glass container 7 for placing the sample loaded in the stress corrosion experiment. The mouth joint 4, the cylindrical glass container 7, and the condensation return pipe 2 are sealed and connected through the variable diameter ground joint 4, and the sealing performance is good. The glass container 7 is placed above the stainless steel electric heater, and the corrosive medium is placed in the glass container 7. The transmission shaft 6 and the constant strain sample clamping fixture 8 are made of Hastelloy and are connected by threads, and the tapered rubber plug 3 and the The reduced-diameter ground joint 4 realizes a sealed connection. There is a scale 18 to control the height of the corrosive medium on the righ...
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The invention relates to the field of stress corrosion testing, in particular to a high-temperature power generation, stirring and stress corrosion device. The device fully uses high temperature in the high-temperature corrosion process to obtain electric energy, and accordingly a corrosion medium is stirred. The power generation mode has the advantages of being free of noise, long in service life, stable in performance and the like. The device comprises a stainless steel electric heater, a condensation backflow pipe, a reducing ground joint, a glass container, a sample clamping clamp, a thermocouple, a belt wheel, a plummer block, a direct-current speed reduction motor, a switch, an energy-saving lamp, a power storage device, a semiconductor thermoelectric power generation piece and an exhaust system. The device is simple in structure, convenient to operate and accurate in measurement result. Meanwhile, the device is small in overall size, suitable to be used and popularized in laboratories, and capable of being widely used in the fields like large-scale industrial production and detection and analysis of steel, nonferrous metals and the like.
Description
technical field [0001] The invention relates to the field of stress corrosion measurement, in particular to a high-temperature power generation stirring stress corrosion device, which is suitable for systems with high requirements on stress conditions and high-temperature solutions. [0002] technical background [0003] Stress corrosion research is an important field of equipment anti-corrosion and safety reliability research, and stress corrosion test equipment is an important basic device for studying the process and mechanism of stress corrosion. Due to the unpredictability of stress corrosion cracking, if the sample cracks, it is necessary to determine and record the occurrence time of macroscopic cracks and the penetration time of sample cracks in time. In order to facilitate the immediate observation of the corrosion cracking of the sample. Therefore, the clamping part of the stress corrosion device can place three or more clamps at the same time, and the constant str...
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IPC IPC(8): G01N3/10G01N17/00
CPCG01N3/10G01N17/00G01N2203/0048G01N2203/0062G01N2203/0226
Inventor 鲁金忠程龙罗开玉刘月余九林
Owner JIANGSU UNIV