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Study on interfacial mechanical properties of bonded pipe joint under dynamic load
1MOE Key Laboratory of Disaster Forecast and Control in Engineering, School of Mechanics and Construction Engineering, Jinan University, Guangzhou, 510623, China.
Heliyon
|September 9, 2024
Summary
This study models adhesive-bonded pipe joints under dynamic loads, deriving formulas for slip and stress. It analyzes key parameters to enhance pipe joint strength and design for high-stress-rate conditions.
Area of Science:
- Mechanical Engineering
- Materials Science
- Solid Mechanics
Background:
- Adhesive-bonded pipe joints are crucial in various engineering applications.
- Understanding their behavior under dynamic loading is essential for structural integrity.
- Existing models often lack comprehensive analysis of dynamic interfacial mechanics.
Purpose of the Study:
- To develop a mechanical model for adhesive-bonded pipe joint interfaces under dynamic loads.
- To derive computational formulas for interfacial slip and shear stress.
- To assess the influence of various parameters on joint strength and dynamic response.
Main Methods:
- Establishment of a mechanical model for the bonding interface.
- Application of variable separation, eigenfunction expansion, and Laplace transform.
- Theoretical derivation of formulas for interfacial slip, shear stress, and normal stress.
Main Results:
- Formulas for interfacial slip and shear stress under dynamic loading were obtained.
- The study identified key parameters influencing maximum shear stress, interfacial slip, and normal stress.
- The impact of loading duration, bond length, and material properties on joint performance was quantified.
Conclusions:
- The derived theoretical formulas provide a basis for designing practical pipe-joint configurations under dynamic loads.
- The analysis deepens the understanding of adhesive layer behavior at pipe joint interfaces subjected to high-stress-rate dynamic loads.
- This research offers critical insights into optimizing adhesive-bonded pipe joint strength and reliability.
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