|本期目录/Table of Contents|

[1]李晓秋,樊建春,赵坤鹏,等.连续油管疲劳损伤的磁记忆检测试验研究[J].中国安全生产科学技术,2013,9(6):54-57.[doi:10.11731/j.issn.1673-193x.2013.06.010]
　LI Xiao qiu,FAN Jian chun,ZHAO Kun peng,et al.Experimental study on fatigue damage of coiled tubing based on metal magnetic memory testing[J].Journal of Safety Science and Technology,2013,9(6):54-57.[doi:10.11731/j.issn.1673-193x.2013.06.010]
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连续油管疲劳损伤的磁记忆检测试验研究

《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
9
期数:
2013年6期
页码:
54-57
栏目:
职业安全卫生管理与技术
出版日期:
2013-06-30

文章信息/Info

Title:
Experimental study on fatigue damage of coiled tubing based on metal magnetic memory testing
作者:
李晓秋; 樊建春; 赵坤鹏; 雷军; 孙玉江
(中国石油大学〈北京〉机械与储运工程学院，北京102249）
Author(s):
LI Xiao qiu;  FAN Jian chun;  ZHAO Kun peng;  LEI Jun;  SUN Yu jiang
(Mechanical and Transportation Engineering College ,China University of Petroleum (BeiIjing),Beijing 102249,China)
关键词:
大位移塑性变; 疲劳; 磁记忆信号特征参量; 连续油管
Keywords:
severely plastic deformation;  fatigue;  MMM signal feature parameters ;  coiled tubing
分类号:
X93
DOI:
10.11731/j.issn.1673-193x.2013.06.010
文献标志码:
A
摘要:
连续油管工作在大位移塑性变形条件下，受力复杂，工况恶劣。其破坏形式多种多样，尤以疲劳居多。根据连续油管的工作原理，利用磁记忆检测方法，进行连续油管全尺寸疲劳试验，研究连续油管在内压、轴向拉伸及弯曲等交变载荷作用下，疲劳破坏过程的磁记忆特征信号变化规律，采用区域积分面积-寿命关系曲线，分析大位移塑性变形下的连续油管疲劳损伤过程的磁记忆信号特征值的规律。试验表明：磁记忆特征值可以很好的描述连续油管疲劳损伤程度，为现场连续油管服役过程工作寿命及损伤程度的判定提供依据。
Abstract:
Coiled tubing is serving under the severely plastic deformation, with complexity stresses and the worst condition, and the failure modes are various. In this paper, according to the working principle of the coiled tubing, a fullsized scale experiment for coiled tubing was performed by using metal magnetic memory testing method(MMM). The laws of signal characteristics for MMM during the fatigue damage of the coiled tubing under severely plastic deformation was analyzed. It showed that the signal characteristics of MMM can describe the fatigue damage of coiled tubing, which can provide a reliable method for the working life and the damage degree of the coiled tubing when it is serves on the oilfield.

参考文献/References:

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备注/Memo

备注/Memo:
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更新日期/Last Update: 2013-06-30