Effect of Marine Atmosphere on the Ablation Performance of a Certain Ablation-resistant Coating and Carbon Fiber Laminate and Its Degradation Model

YU Qian; WANG Yalan; JIANG Zeyong; WANG Yu

doi:10.7643/ issn.1672-9242.2025.11.010

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Equipment Environmental Engineering ›› 2025, Vol. 22 ›› Issue (11) : 97-103. DOI: 10.7643/ issn.1672-9242.2025.11.010

Effect of Marine Atmosphere on the Ablation Performance of a Certain Ablation-resistant Coating and Carbon Fiber Laminate and Its Degradation Model

YU Qian, WANG Yalan, JIANG Zeyong, WANG Yu

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Abstract

The work aims to study the effect of marine atmospheric environment on the ablation performance of a certain ablation-resistant coating and carbon fiber laminate, and to establish a degradation model. Laboratory accelerated tests under simulated marine atmospheric environment and non-salt spray environment were conducted on the ablation-resistant coating and carbon fiber laminate. The linear ablation rate and mass ablation rate of the test pieces after the accelerated tests were measured. The results of the two sets of tests were compared to clarify the impact of salt spray environment on the performance degradation of the composite material. At the same time, the results of the test pieces stored naturally were compared to verify the consistency of the degradation law and establish a performance degradation model.In the laboratory accelerated test under simulated marine atmospheric environment, it showed that the marine environment had a significant impact on the ablation performance of the material. The degradation laws of the linear ablation rate and mass ablation rate were analyzed. Based on the grey system theory, a degradation model of the ablation performance of the ablation-resistant coating and carbon fiber laminate under marine atmospheric environment was established, and the model was verified and corrected. The average relative error of the predicted value after correction was 5.66%. In laboratory accelerated tests under simulated the marine atmospheric environment, the ablation performance of the ablation-resistant coating and carbon fiber laminate decreases significantly. Through the processing and analysis of the experimental data, the degradation model based on the grey system theory can well reflect the degradation of the ablation performance of the material in the marine atmospheric environment, and the predicted value of the model has high accuracy.

Key words

marine atmosphere / salt spray accelerated test / ablation-resistant coating / ablation performance / degradation model / grey system theory

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YU Qian, WANG Yalan, JIANG Zeyong, WANG Yu. Effect of Marine Atmosphere on the Ablation Performance of a Certain Ablation-resistant Coating and Carbon Fiber Laminate and Its Degradation Model[J]. Equipment Environmental Engineering. 2025, 22(11): 97-103 https://doi.org/10.7643/ issn.1672-9242.2025.11.010

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