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Metal surface anti-rust performance test board and anti-rust performance evaluation method

A technology of anti-rust performance and metal surface, applied in measuring devices, image data processing, instruments, etc., can solve the problems of insignificant features of rusted areas, difficulty in ensuring the accuracy and objectivity of evaluation results, etc.

Active Publication Date: 2021-04-16
CHINA THREE GORGES UNIV
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Problems solved by technology

However, due to the inconspicuous characteristics of the corrosion area on the metal surface at the initial stage of corrosion formation, it is difficult to guarantee the accuracy and objectivity of the evaluation results by using the artificial visual inspection method to detect and evaluate the anti-rust performance of the metal surface.

Method used

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  • Metal surface anti-rust performance test board and anti-rust performance evaluation method
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  • Metal surface anti-rust performance test board and anti-rust performance evaluation method

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Embodiment Construction

[0049] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0050] as attached figure 1 As shown, a metal surface rust resistance test platform is mainly composed of a test platform and a data acquisition platform. Among them, the test platform is used to test the anti-rust performance of the surface of the metal sample, and accelerate the generation of corrosion on the surface of the metal sample by controlling environmental factors. It includes four modules: input device, control device, output device and execution device; data acquisition platform It is used to collect the image data of the metal sample on...

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Abstract

The invention provides a metal surface anti-rust performance test board and an anti-rust performance evaluation method. The test platform can realize an accelerated corrosion experiment on the surface of a metal sample, and the data acquisition platform can perform image data acquisition on the metal sample of the test platform. The method comprises the following steps: analyzing image data obtained by a test board, constructing a set of corrosion region segmentation method, segmenting a corrosion region of a metal surface from an image, calculating a corrosion ratio index, comparing the corrosion ratio index with a preset threshold value, and judging whether a metal sample meets an experiment termination condition or not at the moment; when the corrosion ratio index of the metal sample exceeds a preset threshold value, regarding that the rust resistance test of the sample is completed; and after the whole experiment is completed, counting the time from the first operation of the test platform to the last taking out of each metal sample, regarding the time difference is the quantitative index of the rust resistance test of the metal sample, wherein the longer the time difference is, the better the rust resistance of the metal sample is.

Description

technical field [0001] The invention relates to the fields of metal surface anti-rust performance testing, image segmentation and quality inspection and evaluation, in particular to a metal surface anti-rust performance testing platform and a method for segmenting rust areas and anti-rust performance evaluation in the anti-rust performance testing test. Background technique [0002] Metal components are widely used in various engineering facilities, and because the metal surface is affected by various environmental factors, corrosion has become an important factor for its failure. Therefore, the rust resistance of the metal surface is directly related to the safe operation of the entire equipment. Building a set of metal surface anti-rust performance test bench and test evaluation method to test its anti-rust performance and analyze the anti-rust quality of the product will help to understand and quantify the anti-rust performance of metal samples more clearly. In order to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00G01N17/00G06K9/62G06T7/11
Inventor 陈法法成孟腾陈保家肖文荣潘瑞雪
Owner CHINA THREE GORGES UNIV
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