金属涂层的日历寿命计算公式和试验方法

doi:10.7527/S1000-6893.2015.0339

Abstract

Abstract:

Through research on the test of coating corrosion damage, this paper finds out that the temperature-time(T-H) curve of coating corrosion and the T-H curve of metallic corrosion are consistent, and they have the same service environment spectrum. Since the calculation formula of metallic calendar life is deduced from the distribution regularities and service environment spectrum of T-H curve, the calculation formula of coating's calendar life is the same as that of the metallic calendar life. It is also revealed that metallic coating is sensitive to test temperature with some regularities. Hence, an effective test method to have the calendar life of coating is to increase the temperature of the test. To verify the above-mentioned conclusion, a comparative study of theoretical calculation and test of the calendar life of aluminum coating is also conducted.

Key words: metallic coating, calendar life, temperature-time curve, corrosion damage, environment spectrum

CLC Number:

V215.5

ZHANG Fuze. Calculation formula and test method of calendar life of metallic coating[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2016, 37(2): 390-396.

References

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Calculation formula and test method of calendar life of metallic coating

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