A study on ductile fracture of coiled tubing based on cohesive zone model
Abstract
Aiming at the characteristics of small diameter and thin wall of coiled tubing (CT), arc specimens were cut from a length of CT longitudinally. Tensile tests were conducted to get elastic-plastic constitutive curve, and fracture tests were done to obtain relationships among loading force, load line displacement, crack tip opening displacement (CTOD) and crack propagation. Based on the results of the fracture tests, optimal cohesive parameters of...
Paper Details
Title
A study on ductile fracture of coiled tubing based on cohesive zone model
Published Date
Mar 1, 2019
Volume
209
Pages
260 - 273
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