What is the Role and Significance of Salt Spray Testing?
What is the Role and Significance of Salt Spray Testing?
Salt spray test is a relatively common and destructive atmospheric corrosion, salt spray test is a natural environment test that mainly uses the environment created by salt spray test machinery and equipment to simulate the natural environment of salt spray to assess the corrosion resistance of products or metal materials.
The purpose of the salt spray test is to assess the quality level of salt spray corrosion resistance of products or metal materials, and the judgment of salt spray test data is the judgment of product quality, and whether the judgment data is correct and reasonable is the key to correctly estimate the quality level of salt spray corrosion resistance of products or metals.
What are the functions and significance of the salt spray test?
1.In order to verify whether the metal parts on the product will corrode when exposed to the atmosphere or other natural environments, the products can be placed in the natural environment for a long period of time, such as a life cycle of the product.
2.Salt spray test is an accelerated corrosion resistance assessment method for artificial atmosphere.It atomizes a certain concentration of brine and then sprays it into a closed thermostatic box, and reflects the corrosion resistance of the tested sample by investigating the changes of the tested sample after it is placed in the box for a period of time. It is a way to speed up the test, that is, it takes a short time, not a few years, only a few days or even a few hours.
3.This requires a convenient way to evaluate the corrosion resistance of the product.
Salt spray corrosion will damage the metal protective layer, make it lose decorative, reduce mechanical strength; Some electrical components and electrical lines, due to corrosion and formation of power line interruption, especially in the natural environment with oscillation, especially serious; When the salt spray lands on the surface of the insulator, the surface resistance will decrease. After the insulator absorbs the salt solution, its volume resistance will drop by four orders of magnitude; Mechanical parts or moving parts of the moving parts due to the occurrence of corrosion, and increase the friction resulting in the formation of moving parts are stuck.
Conclusion
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