Tool and method for measuring corrosion area ratio of salt spray test
A corrosion area and salt spray test technology, applied in mechanical area measurement, measuring devices, weather resistance/light resistance/corrosion resistance, etc., can solve the problem that it is difficult to quickly judge the corrosion area ratio of samples, and achieve good economy and practicability , simple operation and simple steps
Pending Publication Date: 2020-11-24
ANGANG STEEL CO LTD
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- Claims
- Application Information
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Problems solved by technology
Due to the uncertainty and irregularity of the corrosion area of the sample after the salt spray test, it is difficult for people to quickly judge the corrosion area ratio of the sample.
Method used
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[0021] The invention discloses a measuring tool and method for the corrosion area ratio of a salt spray test. Those skilled in the art can refer to the content of this article to appropriately improve the process parameters to achieve. In particular, it should be pointed out that all similar replacements and modifications are obvious to those skilled in the art, and they are all considered to be included in the present invention. The method and application of the present invention have been described through preferred embodiments, and the relevant personnel can obviously make changes or appropriate changes and combinations to the method and application described herein without departing from the content, spirit and scope of the present invention to realize and Apply the technology of the present invention.
[0022] 【Example】
[0023] like figure 1 As shown, a measuring tool for the corrosion area ratio of the salt spray test includes a metal frame 3 , a metal wire 1 and a t...
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The invention relates to the technical field of measurement of a relative corrosion area of a coating layer, and in particular, relates to a tool and method for measuring the corrosion area ratio of asalt spray test. The tool comprises metal frames, metal wires and torsional connections; the two metal frames are parallel to each other; the plurality of torsional connections are mounted on the metal frames at equal intervals, the torsional connections on the two metal frames are in one-to-one correspondence, one end of each of the plurality of metal wires is connected with the corresponding torsional connection on one metal frame, the other end of each of the plurality of metal wires is connected with the corresponding torsional connection on the other metal frame, and the plurality of metal wires are parallel to each other and have the same interval. The method specifically comprises the steps: 1) drying and cleaning a sample; (2) stretching the tool to the size of a to-be-tested sample; (3) placing the tool on the sample and aligning; and (4) setting the proportion of the corrosion area to each small grid as a1, a2... an, so as to enabling the corrosion area of the sample to shown in the specification; the tool is simple to operate, a measurement result can be accurately observed by naked eyes, and the steel plate cannot be damaged.
Description
technical field [0001] The invention relates to the technical field of measuring the relative corrosion area of a coating, in particular to a measuring tool and method for the corrosion area ratio of a salt spray test. Background technique [0002] Natural climates such as the atmosphere and the ocean have brought inevitable corrosion damage to the transportation and use of steel plates, and people's requirements for the corrosion resistance of steel plates are getting higher and higher. Salt spray test is the main method for testing the corrosion resistance of steel plates. It mainly uses the artificial salt spray environmental conditions created by the salt spray test equipment to simulate the environment of the ocean or the climate in humid areas containing salt, and is used to assess the resistance of materials and their protective layers to salt spray corrosion. ability, and the process quality comparison of similar protective layers, and at the same time assess the p...
Claims
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Login to View More IPC IPC(8): G01N17/00G01B5/26
CPCG01N17/00G01B5/26
Inventor 徐闻慧吕家舜杨洪刚王永明徐承明
Owner ANGANG STEEL CO LTD