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Acta Mechanica Solida Sinica

, Volume 28, Issue 5, pp 521–535 | Cite as

Interfacial Behavior of Pipe Joints Under Torsion Loads

  • Jun Han
  • Hong Yuan
  • Jiayu Wu
Article

Abstract

The interfacial behavior of pipe joints is studied in this paper. Firstly, through nonlinear fracture mechanics, the analytical expressions of interfacial shear stress and the load-displacement relationship at loaded end of pipe joints under torsion loads are obtained. Thus the shear stress propagation and the debonding process of the whole interface for different bond lengths can be predicted. Secondly, through the analytical solutions, the influences of different bond lengths on the load-displacement curve and the ultimate load are studied. The stress transfer mechanism, the interface crack propagation and the ductility behavior of the joints can be explained.

Key Words

interface failure mechanism softening debonding torsion pipe joints 

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Copyright information

© The Chinese Society of Theoretical and Applied Mechanics and Technology 2015

Authors and Affiliations

  1. 1.MOE Key Lab of Disaster and Control in Engineering, Institute of Applied MechanicsJinan UniversityGuangzhouChina

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