Life Evaluation of Thermal Protective Coatings for Air-launched Missiles

ZHANG Kai; YANG Mingjia; YANG Xiaokui; SHI Haobo

doi:10.7643/ issn.1672-9242.2026.01.003

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Equipment Environmental Engineering ›› 2026, Vol. 23 ›› Issue (1) : 17-24. DOI: 10.7643/ issn.1672-9242.2026.01.003

Weapons Equipment

Life Evaluation of Thermal Protective Coatings for Air-launched Missiles

ZHANG Kai¹, YANG Mingjia², YANG Xiaokui^1*, SHI Haobo²

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Abstract

The work aims to establish a test and life evaluation method for thermal protective coatings of air-launched missiles that closely resembles the profile of the service environment. Firstly, based on the analysis results of the environmental profile throughout the missiles' life cycle, and considering the two main environments of depot storage and on-duty ferry flight, the accelerated test profile and test load spectrum were constructed by comprehensively considering simulation and acceleration. Then, on this basis, in accordance with the principle of equivalent environmental effects, the acceleration factor was determined by drawing on the temperature and humidity coupling model for analysis. Finally, based on the performance test results of the thermal protective coatings after the equivalent expected life accelerated test, the service life of the coatings was evaluated with the failure threshold as the criterion.An accelerated test method for thermal protective coatings involving environmental factors such as temperature, relative humidity and vibration was proposed, and the data processing methods related to life evaluation were given. Using this method, the life of a certain silicone rubber thermal protective coating in the service environment is evaluated to be no less than 10 years, verifying the rationality and effectiveness of this method.

Key words

air-launched missile / thermal protective coating / service environment profile / life / evaluation method

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ZHANG Kai, YANG Mingjia, YANG Xiaokui, SHI Haobo. Life Evaluation of Thermal Protective Coatings for Air-launched Missiles[J]. Equipment Environmental Engineering. 2026, 23(1): 17-24 https://doi.org/10.7643/ issn.1672-9242.2026.01.003

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