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The purpose of circular corrosion tests is to subject coatings to a series of different atmospheric corrosion environments for specific durations, in order to stress them as much as possible in terms of corrosion effects. By exposing coatings to a variety of environmental conditions, the goal is to simulate real-world corrosion deformations that materials or parts will experience in actual use. Typically, these tests are conducted for approximately 1000 hours to understand the potential corrosion damage under realistic conditions.
Circular Corrosion Tests are experiments designed to evaluate the corrosion resistance of materials or coatings under different environmental conditions. By exposing the materials to various environmental cycles, these tests simulate real-world corrosion environments. Below are the main objectives of circular corrosion tests:
Circular corrosion tests are used to assess how materials perform under various environmental conditions. Typically, these tests simulate the effects of humidity, salt, acidic environments, and other corrosion-inducing factors. The environmental cycles used in these tests are necessary to understand how materials will react to corrosion in real-world conditions. By subjecting coatings or materials to a range of environmental stresses, these tests help evaluate how well they can withstand corrosion over time.
Testing Material and Coating Durability
This test is conducted to evaluate the resistance of materials and coatings to cyclically changing conditions of humidity, temperature, and chemicals. These tests help determine the long-term durability and lifespan of materials.
Test samples (using finished products for testing provides more realistic results) are subjected to aging in an automatic cyclic corrosion chamber under the required conditions of temperature, humidity, spraying, salt fog environments, and drying periods for the specified durations. The performance is then evaluated at the end of the test according to the relevant standards.
In general, at the end of most automotive standards tests, the following evaluations are made:
