Test platform for whole vehicle reinforced corrosion test, and whole vehicle reinforced corrosion test method

Abstract

The invention discloses a test platform for a whole vehicle reinforced corrosion test, and a whole vehicle reinforced corrosion test method. The test platform comprises: a tested vehicle body; and a zinc-based corrosion standard sheet arranged on the tested vehicle body, wherein the corrosion rate of the zinc-based corrosion standard sheet reflects the corrosion strength of the environment where the tested vehicle body is located. According to the test platform for the whole vehicle reinforced corrosion test, the zinc-based corrosion standard sheet with higher sensitivity to the corrosion environment is used as the corrosion standard sheet for the whole vehicle reinforced corrosion test, so that the corrosion rate of the corrosion standard sheet is almost in a linear relationship with time, therefore, the problem that the sensitivity of a low-carbon steel corrosion standard sheet to a corrosion environment is reduced is solved, the zinc-based corrosion standard sheet keeps high sensitivity to the corrosion environment, it is guaranteed that judgment on the corrosion strength of the environment where a tested vehicle body is located is accurate, and corrosion products of the zinc-based corrosion standard sheet are not prone to generating adverse effects on adjacent sample pieces.

Description

technical field [0001] The invention relates to the technical field of corrosion tests, in particular to a test platform for an enhanced corrosion test of a whole vehicle and a method for an enhanced corrosion test of a whole vehicle. Background technique [0002] At present, joint venture OEMs such as GM and Ford, as well as domestic independent brand OEMs use low carbon steel as a means of monitoring corrosion intensity in the vehicle enhanced corrosion test. In the atmospheric corrosion environment and the enhanced corrosion test of the whole vehicle, the corrosion rate of low carbon steel is nonlinear. Even if the corrosion environment does not change, the corrosion rate of low carbon steel will decrease as the test goes on It means that with the development of the test, the sensitivity of the corrosion standard piece made of low carbon steel to the corrosion environment is reduced, which cannot fully reflect the corrosion intensity of the environment. The enhanced corr...

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Problems solved by technology

In the atmospheric corrosion environment and the enhanced corrosion test of the whole vehicle, the corrosion rate of low carbon steel is nonlinear. Even if the corrosion environment does not change, the corrosion rate of low carbon steel will decrease as the test goes on It means that with the development of the test, the sensitivity of the corrosion standard piece made of low carbon steel to the corrosion environment is reduced, and it cannot fully reflect the corrosion intensity of the environment

The enhanced corrosion test of the whole vehicle is based on the corrosion rate of the corrosion standard to adjust the storage time of the whole vehicle in the environmental chamber, and the storage time of the whole vehicle in the environmental chamber will affect the anti-corrosion performance of each component of the whole vehicle, and ultimately affect the corrosion resistance of the whole vehicle. The result of the enhanced corrosion test of the car

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