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Theoretical and test analysis of the influence of adhesive structure parameters on connection failure performance
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Mingjun QIU1, 2, Tao WANG1, Jiang JI2, Yiming JIA1, Chen WANG1, Jun HONG1, Shechang WANG2, Qiyin LIN1
Journal of Mechanical Strength | 2025, 47(9) : 102 - 112
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Journal of Mechanical Strength | 2025, 47(9): 102-112
Theoretical and test analysis of the influence of adhesive structure parameters on connection failure performance
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Mingjun QIU1, 2, Tao WANG1, Jiang JI2, Yiming JIA1, Chen WANG1, Jun HONG1, Shechang WANG2, Qiyin LIN1
Affiliations
  • 1.Key Laboratory of Education Ministry for Modern Design & Rotor-Bearing System, School of Mechanical Engineering, Xi’an Jiaotong University, Xi’an 710049, China
  • 2.National Key Laboratory of Metal Forming Technology and Heavy Equipment, China National Heavy Machinery Research Institute Co., Ltd., Xi’an 710018, China
Published: 2025-09-15 doi: 10.16579/j.issn.1001.9669.2025.09.009
Outline
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To enhance the assembly connection performance of adhesive structures in heavy machinery and aerospace equipment, a numerical analysis model based on the cohesive force element was developed to investigate the failure behavior of adhesive joints. The evolution of shear stress distribution in the adhesive layer during the tensile-shear failure process under different loading stages was analyzed. The variations in ultimate failure load and structural stiffness with different adhesive joint parameters were systematically studied, and tensile-shear failure tests were conducted. The results indicate that the shear stress distribution in the adhesive layer transitions from an initial U-shaped profile to an M-shaped and finally evolves into an approximately inverted U-shaped pattern as the load increases. Increasing the length or width of the adhesive layer significantly improves both the ultimate failure load and overall structural stiffness. However, increasing the adhesive layer thickness or substrate thickness exhibits a minor effect on the ultimate failure load. Notably, the structural stiffness decreases with increasing adhesive thickness but increases with higher substrate thickness.

Adhesive joint structure  /  Assembly interface adhesive strength  /  Cohesive force element  /  Adhesive stress  /  Ultimate failure load
Mingjun QIU, Tao WANG, Jiang JI, Yiming JIA, Chen WANG, Jun HONG, Shechang WANG, Qiyin LIN. Theoretical and test analysis of the influence of adhesive structure parameters on connection failure performance[J]. Journal of Mechanical Strength, 2025 , 47 (9) : 102 -112 . DOI: 10.16579/j.issn.1001.9669.2025.09.009
Funding
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  • National Natural Science Foundation of China(U24B6006; 52335011; 52222508)
Appendix
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Year 2025 volume 47 Issue 9
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Article Info
doi: 10.16579/j.issn.1001.9669.2025.09.009
  • Receive Date：2025-04-24
  • Online Date：2026-03-20
  • Published：2025-09-15
Article Data
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History
  • Received：2025-04-24
  • Revised：2025-05-23
Funding
National Natural Science Foundation of China(U24B6006; 52335011; 52222508)
Affiliations
    1.Key Laboratory of Education Ministry for Modern Design & Rotor-Bearing System, School of Mechanical Engineering, Xi’an Jiaotong University, Xi’an 710049, China
    2.National Key Laboratory of Metal Forming Technology and Heavy Equipment, China National Heavy Machinery Research Institute Co., Ltd., Xi’an 710018, China

Corresponding:

LIN Qiyin, 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
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
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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