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In situ hydrogen measurement device and measurement method thereof

A measurement method and technology for measuring hydrogen, which is applied in the field of measurement and testing to achieve good repeatability

Active Publication Date: 2017-03-29
AVIC BEIJING INST OF AERONAUTICAL MATERIALS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

That is, the in-situ hydrogen measurement technology can only test uniform samples of pipelines

Method used

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  • In situ hydrogen measurement device and measurement method thereof

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Embodiment Construction

[0020] The technical scheme of the present invention will be described in further detail below in conjunction with accompanying drawing and embodiment:

[0021] See attached figure 1 As shown, this kind of in-situ hydrogen measuring device includes a CH-1 type potentiostat as a power supply 6, and the voltage of the power supply 6 is 10 -1 order of magnitude, the four connectors on the power supply 6 are respectively connected to the steel test sample 1, the counter electrode 4, the reference electrode 5, and the single-chip microcomputer 9 through wires 11, wherein the counter electrode 4 and the reference electrode 5 are immersed in the test container In the test solution 2 in 3, the test solution 2 is NaOH solution, and the solution concentration is 0.2mol / L, and the test container 3 is placed on the steel test sample 1, and the single-chip microcomputer 9 is a CQY-I type single-chip microcomputer, and the single-chip microcomputer 9 includes Power connector 10, control pa...

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Abstract

The invention relates to an in situ hydrogen measurement device and a measurement method thereof. The device includes a CH-1 type potentiostat serving as a power supply (6), the voltage of the power supply (6) is 10-1 orders of magnitude, and four joints on the power supply (6) are respectively connected to a steel test sample (1), a counter electrode (4), a reference electrode (5), and a single chip microcomputer (9) correspondingly through wires (11), wherein the counter electrode (4) and reference electrode (5) are immersed in a test solution (2) loaded in a test container (3), the test solution (2) is a NaOH solution with a concentration of 0.2mol / L, the test container (3) is placed on the steel test sample (1), the single chip microcomputer (9) is a CQY-I type single chip microcomputer, and the single chip microcomputer (9) comprises a power supply connector (10), a control panel ( 8) and a data panel (7). The device is mobile, is suitable for site hydrogen measurement outside a laboratory, also has no strict requirements for the shape and size of the test sample, and only needs a test plane, has no destruction to the sample, and the test time is short. The device and method can realize nondestructive and rapid hydrogen measurement, and is of important significance for evaluation of the potential hydrogen embrittlement hazards of batch finished steel products.

Description

technical field [0001] The invention relates to an in-situ hydrogen measuring device and a measuring method thereof, which belong to the technical field of measuring and testing. The method can directly perform non-destructive and rapid hydrogen measurement on the surface of metal finished components on site. Background technique [0002] For steel components, especially high-strength steel components, the presence of hydrogen in the components can easily induce hydrogen embrittlement failure. High-strength steel structural parts are used as the main load-bearing structure in the product. Once hydrogen embrittlement failure occurs, it will bring very serious consequences. Moreover, hydrogen embrittlement is mostly related to "batch" problems, so it is more harmful. For example, during the overhaul of a certain type of aircraft, it was found that multiple bolts were broken due to hydrogen embrittlement, and the faulty batch of bolts were installed and used on multiple sorti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/26
CPCG01N27/26
Inventor 刘洲孔焕平刘昌奎姜涛何玉怀刘春江刘丽玉侯学勤
Owner AVIC BEIJING INST OF AERONAUTICAL MATERIALS
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