Evaluation of corrosion defects in oil pipelines based on the approaches of fracture mechanics

被引：0
|
作者：
Žiliukas A. [1 ]
Janutėnienė J. [2 ]
Nykyforchyn H. [3 ]
Bereisa M. [2 ]
机构：
[1] Kaunas University of Technology, Kaunas
[2] Klaipeda University, Klaipeda
[3] Karpenko Physicomechanical Institute, Ukrainian National Academy of Sciences, Lviv
来源：
Materials Science | 2011年 / 46卷 / 5期
关键词：
Corrosion; Crack opening displacement; Defects; Fracture; J-integral;
D O I：
10.1007/s11003-011-9332-6
中图分类号：
学科分类号：
摘要：
We study the development of corrosion defects in an industrial oil pipeline. Defects appearing in the pipeline after 5 and 10 yr of operation are measured by the ultrasonic method. It is shown that, after 10 yr of operation, the pipe wall becomes thinner by 22% (as compared with its initial thickness). To evaluate the defectiveness of state of the pipeline, we use the concepts of J-integral and crack-opening displacement δ . The experimental data on corrosion defects are used to find the values of J-integral. © 2011 Springer Science+Business Media, Inc.
引用
收藏
页码：619 / 627
页数：8
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