[1]王 军,李 超.13Cr油管残余应力研究[J].焊管,2020,43(2):12-17.[doi:10.19291/j.cnki.1001-3938.2020.02.003]
 WANG Jun,LI Chao,Study on Residual Stress of 13Cr Tubing[J].,2020,43(2):12-17.[doi:10.19291/j.cnki.1001-3938.2020.02.003]
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13Cr油管残余应力研究()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
43
期数:
2020年第2期
页码:
12-17
栏目:
试验与研究
出版日期:
2020-02-28

文章信息/Info

Title:
Study on Residual Stress of 13Cr Tubing
文章编号:
10.19291/j.cnki.1001-3938.2020.02.003
作者:
王 军1李 超2 3
1. 关天工程研究院, 陕西 宝鸡 721000;
2. 国家石油天然气管材工程技术研究中心, 陕西 宝鸡 721008;
3. 宝鸡石油钢管有限责任公司 钢管研究院, 陕西 宝鸡 721008
Author(s):
WANG Jun1 LI Chao2 3
1. Guan Tian Academy of Engineering, Baoji 721000, Shaanxi, China;
2. China National Engineering Research Center for Petroleum and Natural Gas Tubular Goods, Baoji 721008, Shaanxi, China;
3. Baoji Petroleum Steel Pipe Co., Ltd., Baoji 721008, Shaanxi, China
关键词:
13Cr油管残余应力环切法盲孔法
Keywords:
13Cr tubing residual stress ring-cutting method the blind-hole method
分类号:
TG404
DOI:
10.19291/j.cnki.1001-3938.2020.02.003
文献标志码:
A
摘要:
为了探究残余应力对13Cr油管性能的影响,采用环切法和盲孔法对13Cr油管的残余应力进行了研究。结果显示,Φ88.9 mm×6.45 mm 13Cr油管周向平均残余应力超过200 MPa,轴向平均残余应力超过140 MPa,随着时间的推移,油管残余应力降低,端部残余应力释放更快。结果表明,盲孔法测得的残余应力具有较高的可靠性,环切法可以宏观反映油管环向残余应力,影响因素少,数据准确,但却无法反映轴向残余应力大小,盲孔法弥补了环切法这一缺点,但因盲孔法影响因素多,实际操作复杂,建议作为残余应力辅助测试手段。
Abstract:
In order to explore the influence of the residual stress on the performance of 13Cr tubing, the residual stress of 13Cr tubing was studied by ring-cutting method and blind-hole method. Results showed that the average circumferential residual stress of Φ88.9 mm×6.45 mm 13Cr tubing is more than 200 MPa and the average axial residual stress is more than 140 MPa. As time goes on, the residual stress of tubing decreases and the residual stress at the end is released faster. The results indicate that the residual stress measured by the blind-hole method has higher reliability, and the ring-cutting method can reflect the annular residual stress of the tubing macroscopically with few influencing factors and accurate data, but it cannot reflect the magnitude of the axial residual stress. The blind-hole method makes up for the shortcoming of the ring-cutting method, but due to many influencing factors and the complicated practical operation, it is recommended as an auxiliary test method for the residual stress.

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备注/Memo

备注/Memo:

收稿日期:2019-08-12

作者简介:王   军(1981—),男,硕士,高级工程师,主要从事粉末冶金和失效分析工作。

更新日期/Last Update: 2020-04-03