[1]骆建武,覃海涛.高钢级管线钢断裂韧性确定方法研究[J].焊管,2009,32(7):33-37.[doi:1001-3938(2009)07-0033-05]
 LUO Jian-wu,QIN Hai-tao.Research on the Determination Method of Fracture Toughness for High Strength Pipeline Steel[J].,2009,32(7):33-37.[doi:1001-3938(2009)07-0033-05]
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高钢级管线钢断裂韧性确定方法研究
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
32
期数:
2009年第7期
页码:
33-37
栏目:
试验与研究
出版日期:
2009-07-28

文章信息/Info

Title:
Research on the Determination Method of Fracture Toughness for High Strength Pipeline Steel
文章编号:
1001-3938(2009)07-0033-05
作者:
骆建武12覃海涛12
(1.西安石油大学,西安 720021;2.青海油田管道输油处,青海 格尔木 816000)
Author(s):
LUO Jian-wu12QIN Hai-tao12
(1.Xi’an Shiyou University,Xi’an 720021,China;2.Qinghai Oil Field Pipeline Transmitting Point,Geermu 816000,Qinghai,China)
关键词:
高钢级管线钢断裂韧性夏比冲击功
Keywords:
high grade pipeline steelfracture toughnessCharpy impact energy
分类号:
TG142.1
DOI:
1001-3938(2009)07-0033-05
文献标志码:
A
摘要:
管线钢管的断裂韧性是进行管道断裂评估的重要参数,而断裂韧性数据的测试较为繁琐。常用的做法是根据管材的冲击韧性与断裂韧性之间的关系式进行估算。利用数理统计方法,基于试验数据样本,建立了X80高钢级管线钢断裂韧性与夏比冲击功之间的经验关系式,并根据统计检验理论,对经验关系式进行了检验。检验结果表明,所建立的经验关系式与样本数据有着高度相关性,与现有的经验公式相比,更适合于X80高钢级管线钢管断裂韧性的确定。
Abstract:
Fracture toughness of pipeline steel pipe is an important parameter to evaluate pipeline fracture,and inspecting fracture toughness data is verbose.According to empirical equation between the Charpy impact energy and fracture toughness to estimate is common method.Using mathematical statistics method,a new empirical equation between the fracture toughness and Charpy impact energy of X80 high grade pipeline steel was developed on the basis of experiment sample data.And the theory of statistical test was used to inspect empirical equation.The inspection result indicated that the new empirical equation has high correlation with the sample data.Comparing the empirical equation with that of existing,the empirical equation developed here was more suitable for the X80 high grade pipeline steel,and can make better estimation for its fracture toughness.

参考文献/References:

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备注/Memo

备注/Memo:
作者简介:骆建武(1972-),男,高级工程师,主要从事油气管道输送管理工作。
收稿日期:2009-01-05
更新日期/Last Update: