Salt spray has a major impact on aviation equipment and airborne products. In order to prevent and reduce the harmful effects of salt spray, two measures have been taken:
First, adopt design and process measures to enhance the product's ability to resist salt spray or reduce salt spray corrosion. This measure includes the design of the seal structure and the selection of corrosion-resistant materials, the use of coatings and surface treatments to prevent salt corrosion of the base metal and the use of corrosion inhibitors and passivators to inhibit salt spray corrosion.
Second, the salt spray test (salt spray test machine) is fully utilized in the development and production to ensure that the products designed and produced meet the salt-tolerant environmental capacity requirements. This method includes testing the salt tolerance of the developed product through salt spray test during the development stage, improving the design and improving its salt spray resistance to meet the specified requirements. In the routine test of the production stage, the salt spray test is used to test the salt. Fog ability. Since then, a salt spray test (salt spray tester) has been produced.
The artificial simulation environmental test is a scientific summary of the actual environmental impact, which is characterized by typicalization, standardization, convenient use and easy comparison. Its development and promotion are very fast, and it has evolved from the initial simple neutral salt spray test to: acetate spray test, copper salt accelerated acetate spray test and alternating salt spray test.
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