Ratcheting behavior of pressurized corroded straight pipe subjected to cyclic bending

Xiaohui Chen; Haofeng Chen; Li Zhao

doi:10.1016/j.tws.2019.106410

Ratcheting behavior of pressurized corroded straight pipe subjected to cyclic bending

Xiaohui Chen, Haofeng Chen, Li Zhao

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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.

Original language	English
Article number	106410
Pages (from-to)	1-16
Number of pages	16
Journal	Thin-Walled Structures
Volume	145
Early online date	29 Oct 2019
DOIs	https://doi.org/10.1016/j.tws.2019.106410
Publication status	Published - 1 Dec 2019

Keywords

corroded straight pipe
Chaboche model
ratcheting strain
orthogonal design method
multiple regression method

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10.1016/j.tws.2019.106410Licence: CC BY-NC-ND 4.0

Chen-etal-TWS2019-Ratcheting-behavior-of-pressurized-corroded-straight-pipe-subjectedAccepted author manuscript, 1.77 MBLicence: CC BY-NC-ND 4.0

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title = "Ratcheting behavior of pressurized corroded straight pipe subjected to cyclic bending",

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.",

keywords = "corroded straight pipe, Chaboche model, ratcheting strain, orthogonal design method, multiple regression method",

author = "Xiaohui Chen and Haofeng Chen and Li Zhao",

note = "{\textcopyright} 2019 Elsevier Ltd. All rights reserved. Xiaohui Chen, Haofeng Chen, Li Ratcheting behavior of pressurized corroded straight pipe subjected to cyclic bending, Thin-Walled Structures, Volume 145, 2019, 106410, https://doi.org/10.1016/j.tws.2019.106410",

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doi = "10.1016/j.tws.2019.106410",

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TY - JOUR

T1 - Ratcheting behavior of pressurized corroded straight pipe subjected to cyclic bending

AU - Chen, Xiaohui

AU - Chen, Haofeng

AU - Zhao, Li

N1 - © 2019 Elsevier Ltd. All rights reserved. Xiaohui Chen, Haofeng Chen, Li Ratcheting behavior of pressurized corroded straight pipe subjected to cyclic bending, Thin-Walled Structures, Volume 145, 2019, 106410, https://doi.org/10.1016/j.tws.2019.106410

PY - 2019/12/1

Y1 - 2019/12/1

N2 - 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.

AB - 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.

KW - corroded straight pipe

KW - Chaboche model

KW - ratcheting strain

KW - orthogonal design method

KW - multiple regression method

UR - https://www.sciencedirect.com/journal/thin-walled-structures

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DO - 10.1016/j.tws.2019.106410

M3 - Article

SN - 0263-8231

VL - 145

SP - 1

EP - 16

JO - Thin-Walled Structures

JF - Thin-Walled Structures

M1 - 106410

ER -

Ratcheting behavior of pressurized corroded straight pipe subjected to cyclic bending

Abstract

Keywords

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