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Automatic acquisition multichannel accelerated attack test device for measuring anti corrosion capability against chloride ion

A technology of accelerated corrosion test and automatic collection, which is used in measurement devices, weather resistance/light resistance/corrosion resistance, material inspection products, etc., which can solve the problem of high price of test devices, inability to meet measurement requirements, and inability to compare the corrosion resistance of different materials at the same time. and other problems, to achieve the effect of fast measurement, saving test consumables and low cost

Inactive Publication Date: 2009-04-29
TONGJI UNIV
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Problems solved by technology

[0004] The purpose of the present invention is to provide an automatic acquisition multi-channel accelerated corrosion test device for measuring the corrosion resistance of chloride ions, which solves the problem that the test device used in the traditional accelerated corrosion method is expensive and cannot meet the measurement of multiple samples at the same time , nor can it compare the corrosion resistance of different materials at the same time

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  • Automatic acquisition multichannel accelerated attack test device for measuring anti corrosion capability against chloride ion
  • Automatic acquisition multichannel accelerated attack test device for measuring anti corrosion capability against chloride ion
  • Automatic acquisition multichannel accelerated attack test device for measuring anti corrosion capability against chloride ion

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0025] An automatic acquisition multi-channel accelerated corrosion test device for measuring the corrosion resistance of chloride ions, such as figure 1 Shown, comprise an electrolyte tank 3, to place sample; One three-electrode potentiostat 1, to provide research electrode, reference electrode and auxiliary electrode, described reference electrode and auxiliary electrode and electrolyte tank Electrode terminals are connected; an ammeter 5 is connected to the sample test circuit to measure the current of the sample test circuit; an integrated control circuit 2, the circuit includes a plurality of parallel test branch circuits, and the research of the input potentiostat The electrodes, each sample and the electric meter are connected to form a sample test circuit; a PC 4 is connected with the electric meter and the integrated control circuit to control ...

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Abstract

The invention relates to an automatic acquisition multi-channel accelerated corrosion test device for measuring the capability against the erosion of chloride ions. A common three-electrode potentiostat is utilized to form a set of device system capable of synchronously measuring a plurality of test samples and automatically recording test data through an integrated circuit, a software and an electrolytic bath which are integratedly and independently developed. The device overcomes the defect that the quantity of the test samples for accelerated corrosion tests at home and abroad is limited by channels of the potentiostat, greatly saves test cost, enlarges test scale, and saves test time. The invention has convenient and simple use, and provides the low-cost and high-efficiency test device for evaluating the capabilities of cement-based grout materials and concrete materials against the erosion of the chloride ions.

Description

technical field [0001] The invention relates to the relevant technical field of construction material detection, in particular to an automatic collection multi-channel accelerated corrosion test device for measuring the chloride ion erosion resistance of cement-based grouting materials and concrete materials. Background technique [0002] In recent years, the problem of tendon corrosion in post-tensioned structures has become more and more serious. During construction, after tensioning the steel strands, grout is used to pour into the prestressed pipes to fill the gaps in the prestressed pipes. Grouting provides an alkaline protective barrier for the prestressed tendons, and makes the prestressed tendons and concrete well combined to ensure the effective transmission of prestress between them. The compressed concrete around the prestressed tunnel is the initial barrier to prevent the intrusion of corrosive elements, while the grout is the last line of defense against the in...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N17/02G01N33/38
Inventor 姚武杨凯王瑞卿
Owner TONGJI UNIV
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