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A three-dimensional numerical damage model study of composite material laminate with polyurethane coating under impact loading
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Qiaorong GUO1, Teng ZENG1, Xianlian MU2, Yizhi ZHAO2, Dinghe LI3
Journal of Mechanical Strength | 2025, 47(10) : 148 - 157
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Journal of Mechanical Strength | 2025, 47(10): 148-157
• Experimental Research·Testing Technology •
A three-dimensional numerical damage model study of composite material laminate with polyurethane coating under impact loading
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Qiaorong GUO1, Teng ZENG1, Xianlian MU2, Yizhi ZHAO2, Dinghe LI3
Affiliations
  • 1.College of Aeronautical Engineering, Civil Aviation University of China, Tianjin 300300, China
  • 2.Structure Corrosion Protection and Control of Aviation Science and Technology Key Laboratory, China Special Vehicle Research Institute, Jingmen 448035, China
  • 3.Sino-European Institute of Aviation Engineering, Civil Aviation University of China, Tianjin 300300, China
Published: 2025-10-15 doi: 10.16579/j.issn.1001.9669.2025.10.017
Outline
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To address the issue of damage caused by low-speed impacts on composite material laminates coated with polyurethane coating, a numerical analysis method based on three-dimensional progressive cumulative damage in composite laminates and a yield damage criterion for polyurethane coatings was proposed. Firstly, a damage numerical model of polyurethane coating-carbon fiber reinforced composite laminates under erosion was established, and a Vumat subroutine was written. Subsequently, referring to the ASTM D7136 test standard, impact tests with various energy levels were conducted on samples coated with 1 mm and 2 mm polyurethane coatings and uncoated samples. Simultaneously, the proposed damage model was employed to study the formation reasons and propagation patterns of primary damages such as fiber damage, matrix damage, and delamination, thereby revealing the mechanism of polyurethane coating in absorbing impact energy. The results indicated that the mechanical response results calculated by the proposed damage model showed a high degree of agreement with the test results, validating the correctness of the proposed model. Additionally, comparative tests demonstrated the enhancement effect of polyurethane coating on the impact damage resistance of carbon fiber composite laminates. The findings of this study can provide a reference for the design of protective coatings for aircraft.

Composite materials  /  Polyurethane coating  /  Predictive model  /  Impact testing  /  Damage mode
Qiaorong GUO, Teng ZENG, Xianlian MU, Yizhi ZHAO, Dinghe LI. A three-dimensional numerical damage model study of composite material laminate with polyurethane coating under impact loading[J]. Journal of Mechanical Strength, 2025 , 47 (10) : 148 -157 . DOI: 10.16579/j.issn.1001.9669.2025.10.017
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  • Aviation Science Foundation of China(20230038067002)
Appendix
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Year 2025 volume 47 Issue 10
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Article Info
doi: 10.16579/j.issn.1001.9669.2025.10.017
  • Receive Date：2025-03-12
  • Online Date：2026-02-11
  • Published：2025-10-15
Article Data
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History
  • Received：2025-03-12
Funding
Aviation Science Foundation of China(20230038067002)
Affiliations
    1.College of Aeronautical Engineering, Civil Aviation University of China, Tianjin 300300, China
    2.Structure Corrosion Protection and Control of Aviation Science and Technology Key Laboratory, China Special Vehicle Research Institute, Jingmen 448035, China
    3.Sino-European Institute of Aviation Engineering, Civil Aviation University of China, Tianjin 300300, China

Corresponding:

LI Dinghe, E-mail:
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
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Genus		 种数
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Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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