Cyclic crack resistance of the steel of oil mains after long periods of operation

被引：0
|
作者：
A. V. Bogdanovich
V. M. Veselukha
机构：
[1] Kupala Grodno State University,
来源：
Materials Science | 2011年 / 47卷
关键词：
crack resistance; steel; linear fracture mechanics; diagram of cyclic elastoplastic fracture; reduction in the width;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
To study the fatigue growth of cracks, compact samples cut off from a pipe of linear sections of the “Druzhba” oil pipeline are tested. To investigate the anisotropy of the crack resistance, we orient a crack in specimens in the axial and circumferential directions. Kinetic diagrams of fatigue and cyclic elastoplastic fracture that take into account a plasticity correction are constructed. Force and deformation characteristics of the cyclic crack resistance of the investigated steel are determined.
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页码：70 / 75
页数：5
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