Ratcheting behavior of pressurized corroded straight pipe subjected to cyclic bending

Chen, Xiaohui and Chen, Haofeng and Zhao, Li (2019) Ratcheting behavior of pressurized corroded straight pipe subjected to cyclic bending. Thin-Walled Structures. ISSN 0263-8231 (In Press)

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Abstract

The ratcheting behavior of pressurized corroded straight pipe subjected to cyclic bending is investigated using Chaboche model in the paper. The effects of defect length, depth and width and internal pressure on ratcheting strain are studied. The results show that the ratcheting strain increases with the increase of defect length L/D depth H/T circumferential length and internal pressure. Moreover, in order to analyze the effect of defect size on ratcheting strain of corroded straight pipe pipe, calculation schemas are established according to orthogonal design method (ODM). Finally, dimensionless relations of both circumferential and longitudinal ratcheting strains to defect length, depth, width and internal pressure are established based on the multiple regression method.

ORCID iDs

Chen, Haofeng ORCID: https://orcid.org/0000-0001-6864-4927

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• Item metadata

  Item type:	Article
  ID code:	69888
  Dates:	Date Event 16 September 2019 Published 16 September 2019 Accepted
  Keywords:	corroded straight pipe, Chaboche model, ratcheting strain, orthogonal design method, multiple regression method, Mechanical engineering and machinery, Mechanical Engineering
  Subjects:	Technology > Mechanical engineering and machinery
  Department:	Faculty of Engineering > Mechanical and Aerospace Engineering Strategic Research Themes > Ocean, Air and Space
  Depositing user:	Pure Administrator
  Date deposited:	20 Sep 2019 14:15
  Last modified:	24 Jun 2021 08:22
  Related URLs:	Journal or Publication
  URI:	https://strathprints.strath.ac.uk/id/eprint/69888