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Mechanism of influence of surface microtexture parameters on friction performance at interface of aluminum alloy-carbon fiber reinforced polymer joints
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Derong FENG1, 2, Xuemin GAO1, 2, Zirui YIN3, Qinying ZHANG1, 2, Guoyu FU4
Journal of Materials Engineering | 2025, 53(11) : 153 - 163
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Journal of Materials Engineering | 2025, 53(11): 153-163
• RESEARCH ARTICLE •
Mechanism of influence of surface microtexture parameters on friction performance at interface of aluminum alloy-carbon fiber reinforced polymer joints
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Derong FENG1, 2, Xuemin GAO1, 2, Zirui YIN3, Qinying ZHANG1, 2, Guoyu FU4
Affiliations
  • 1.Henan Aerospace Precision Machining Co. ，Ltd. ，Xinyang 464000，Henan，China
  • 2.Henan Key Laboratory of Fastening Connection Technology，Xinyang 464000，Henan，China
  • 3.School of Materials Science and Engineering，Northwestern Polytechnical University，Xi’an 710072，China
  • 4.Key Laboratory of Mechanism Theory and Equipment Design of Ministry of Education，Tianjin University，Tianjin 300072，China
Published: 2025-11-20 doi: 10.11868/j.issn.1001-4381.2024.000407
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With the widespread application of carbon fiber reinforced polymer （CFRP） in the aerospace field， studying the friction performance at the interface of CFRP and aluminum alloy connections has become increasingly important. This study experimentally investigates the influence of surface microtexture parameters on the friction performance at the aluminum alloy-CFRP interface. The results indicate that both contact pressure and microgroove geometric parameters significantly affect the interface friction performance. As the contact pressure increases from 7.5 MPa to 30 MPa， the sliding friction coefficient significantly decreases， primarily due to the formation and enhancement of a self-lubricating film. Under high contact pressure， the microstructures on the aluminum alloy surface embed into the CFRP plate， creating a plowing effect. The micro-cutting action generates epoxy resin debris that fills the microstructure grooves， forming a stable lubricating film. The groove depth has the most significant impact on friction performance， with a groove depth of 31.8 μm significantly reducing the sliding friction coefficient to 0.197. The synergistic effect of contact pressure and microtexture geometric parameters markedly improves the interface friction performance and connection strength. This study provides theoretical basis and practical guidance for optimizing composite material connection technology.

contact pressure  /  surface microtexture  /  friction coefficient  /  aluminum alloy and CFRP interface
Derong FENG, Xuemin GAO, Zirui YIN, Qinying ZHANG, Guoyu FU. Mechanism of influence of surface microtexture parameters on friction performance at interface of aluminum alloy-carbon fiber reinforced polymer joints[J]. Journal of Materials Engineering, 2025 , 53 (11) : 153 -163 . DOI: 10.11868/j.issn.1001-4381.2024.000407
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Article Info
doi: 10.11868/j.issn.1001-4381.2024.000407
  • Receive Date：2024-06-02
  • Online Date：2026-01-21
  • Published：2025-11-20
Article Data
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History
  • Received：2024-06-02
  • Accepted：2024-07-02
Funding
Affiliations
    1.Henan Aerospace Precision Machining Co. ，Ltd. ，Xinyang 464000，Henan，China
    2.Henan Key Laboratory of Fastening Connection Technology，Xinyang 464000，Henan，China
    3.School of Materials Science and Engineering，Northwestern Polytechnical University，Xi’an 710072，China
    4.Key Laboratory of Mechanism Theory and Equipment Design of Ministry of Education，Tianjin University，Tianjin 300072，China
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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
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
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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