Laboratory acceleration test method for ship-based helicopter coating under marine atmospheric condition

Abstract

The invention belongs to a helicopter coating laboratory acceleration test method, and discloses a laboratory acceleration test method for a ship-based helicopter coating under a marine atmospheric condition. The method comprises the following steps: S1, sequentially performing a damp and hot exposure test, an ultraviolet irradiation test, a low-temperature vibration test, a neutral salt spray test and an acidic salt spray test on the ship-based helicopter coating; S2, circularly executing the S1 according to a preset period; S3, after the S2 is completed, sequentially performing a mold test and a sand dust test on the ship-based helicopter coating; and S4, after the S3 is completed, performing environmental adaptability assessment on the ship-based helicopter coating according to the characteristics of the ship-based helicopter coating, and forming a laboratory acceleration test method by adding a helicopter vibration test and an acidic salt spray test, so that the coating of the ship-based helicopter is more accurately assessed.

Description

technical field [0001] The invention belongs to a laboratory accelerated test method for a helicopter coating, in particular to a laboratory accelerated test method for a shipboard helicopter coating under marine and atmospheric conditions. Background technique [0002] Coating is one of the most economical and effective means of anti-corrosion for shipboard helicopters, and its resistance to marine environment directly affects the service life of shipboard helicopters. A large number of tests and field data show that the coating is corroded due to the comprehensive influence of various environmental factors during use, especially the marine environment of solar radiation, high temperature, high humidity, and high salt fog, which is easy to cause the coating of shipboard helicopters to corrode. The performance is degraded, and the vibration environment of the helicopter will cause a certain impact effect on the coating, which seriously affects the performance and service lif...

AI Technical Summary

Problems solved by technology

These tests can greatly shorten the test time for coating assessment, but for shipboard helicopters serving in the marine atmospheric environment, can we clearly understand the influence of environmental factors on the coating of shipboard helicopters, and determine certain test conditions for laboratory testing? Accelerated test assessment is a key factor affecting the results of its laboratory assessment test

[0004] At present, the accelerated test method of coatings under marine atmospheric environment conditions generally uses environmental spectrum blocks such as damp heat, ultraviolet, and salt spray tests to form an accelerated test environmental spectrum for circulation. The neutral salt spray test is basically used for assessment, and it does not take into account that the shipboard helicopter will be affected by the acidic atmosphere of the exhaust gas when it is parked and in service on ships and aircraft carriers.

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