[1]李雨恒,马强,罗海宝,等.基于主曲线法的高钢级管道环焊缝韧性表征[J].焊管,2024,47(4):20-24.[doi:10.19291/j.cnki.1001-3938.2024.04.003]
　LI Yuheng,MA Qiang,LUO Haibao,et al.Toughness Characterization of Girth Weld of High Steel Grade Pipeline based on Master Curve Method[J].,2024,47(4):20-24.[doi:10.19291/j.cnki.1001-3938.2024.04.003]
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基于主曲线法的高钢级管道环焊缝韧性表征()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
47
期数:
2024年第4期
页码:
20-24
栏目:
试验与研究
出版日期:
2024-04-28

文章信息/Info

Title:
Toughness Characterization of Girth Weld of High Steel Grade Pipeline based on Master Curve Method
文章编号:
10.19291/j.cnki.1001-3938.2024.04.003
作者:
李雨恒; 马强; 罗海宝; 孟维健; 宿彦通; 孙伟; 李德军; 孟致远
1. 国家管网集团天津天然气管道有限责任公司,天津 400657；
2. 国家管网集团河北建投天然气有限公司,石家庄 050000
Author(s):
LI Yuheng; MA Qiang; LUO Haibao; MENG Weijian; SU Yantong; SUN Wei; LI Dejun; MENG Zhiyuan
1. PipeChina Tianjin natural Gas Pipeline Co., Ltd., Tianjin 400657, China；
2. PipeChina Hebei Construction & Investment Natural Gas Co., Ltd., Shijiazhuang 050000, China
关键词:
高钢级管道;  环焊缝;  断裂韧性;  主曲线法
Keywords:
high steel grade pipeline;  girth weld;  fracture toughness;  master curve method
分类号:
TG407
DOI:
10.19291/j.cnki.1001-3938.2024.04.003
文献标志码:
A
摘要:
为了寻求高钢级管道环焊缝韧性的准确表征试验方法，对现有的冲击韧性与断裂韧性转化关系方法进行了对比分析，明确了不同方法的适用范围和限制条件。开展了X80管线钢半自动焊环焊缝的断裂韧性试验，并采用主曲线法对管线钢环焊缝的韧性进行了表征。结果表明，曲线法能够较好地描述高钢级管道环焊缝韧脆转变区的韧性离散情况，高钢级管道环焊缝可以采用基于主曲线的韧性表征方法。
Abstract:
In order to find an accurate characterization test method for girth weld toughness of high steel grade pipes, the existing transformation relationship between impact toughness and fracture toughness is compared and analyzed, and the applicable scope and limiting conditions of different methods are clarified. The fracture toughness test of semi?utomatic girth weld of X80 pipeline steel is carried out, and the toughness of girth weld of pipeline steel is characterized by master curve method. The results show that the master curve method can describe the toughness dispersion of the ductile to brittle transition zone of the girth weld of the high steel grade pipeline well, and the toughness characterization method based on the principal curve can be used.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2024-01-03
作者简介：梁东光 （2001—），男，硕士研究生，主要从事金属材料表面改性、腐蚀与防护、电化学方面的研究。
更新日期/Last Update: 2024-04-26