[1]姚登樽,范玉然,汪 凤,等.单试样柔度法在管线钢断裂韧性测试领域的应用[J].焊管,2015,38(1):28-32.[doi:１００１－３９３８（２０１5）01-0028-05]
　YAO Dengzun,FAN Yuran,WANG Feng,et al.Application of Single Specimen Compliance Method in the Field of Pipeline Steel Fracture Toughness Test[J].,2015,38(1):28-32.[doi:１００１－３９３８（２０１5）01-0028-05]
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单试样柔度法在管线钢断裂韧性测试领域的应用
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
38
期数:
2015年第1期
页码:
28-32
栏目:
应用与开发
出版日期:
2015-01-28

文章信息/Info

Title:
Application of Single Specimen Compliance Method
in the Field of Pipeline Steel Fracture Toughness Test
文章编号:
１００１－３９３８（２０１5）01-0028-05
作者:
姚登樽1; 2; 范玉然1; 2; 汪 凤1; 2; 张希悉1; 2
（1.中国石油天然气管道科学研究院，河北 廊坊 065000；
2.中国石油天然气油气管道输送安全国家工程实验室，河北 廊坊 065000）
Author(s):
YAO Dengzun1; 2;  FAN Yuran1; 2;  WANG Feng1; 2;  ZHANG Xixi1; 2
(1.Pipeline Research Institute of CNPC, Langfang 065000, Hebei, China;
2. National Engineering Laboratory for Pipeline Safety, Langfang 065000, Hebei, China)
关键词:
柔度法; 断裂韧性; 管线钢; 单边缺口拉伸试验; 宽板拉伸试验
Keywords:
compliance method; fracture toughness; pipeline steel; unilateral notch tensile test; wide plate tensile test
分类号:
TE973.6
DOI:
１００１－３９３８（２０１5）01-0028-05
文献标志码:
B
摘要:
介绍了单试样柔度法的基本原理，并系统对比分析了该方法在不同断裂韧性测试技术中的应用情况。单试样柔度法是利用弹性柔度技术通过1个试样得到断裂韧性阻力曲线上多个点的试验方法。单试样柔度法理论基础强，计算过程复杂，涉及到测试柔度校正、裂纹扩展尺寸计算、断裂韧性公式推导等内容。健全和完善单试样柔度技术，有利于推动各种断裂韧性测试方法的发展，有利于更加便捷、准确的获得管线钢及环焊缝的断裂韧性值，对管线钢焊接技术的发展和环焊缝性能评估具有重要意义。
Abstract:
It introduced the basic principle of the single sample compliance method in this article. Furthermore, the application of this method in different fracture toughness test was systematically contrasted and analyzed. The single sample compliance method used elastic compliance technology to obtain different data points in fracture toughness resistance curve by one test sample. This method is with strong theoretical foundation, the calculation process is complex, involves test compliance correction, crack propagation size calculation and fracture toughness formula derivation, etc. To improve and perfect the single sample compliance method is beneficial to promote the development of all kinds of fracture toughness test method, is conducive to conveniently and accurately obtain the fracture toughness value of pipeline steel and circumferential weld, which is with great significance for pipeline steel welding technology development and circumferential weld performance evaluation.

参考文献/References:

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［7］金蕾. 基于数值分析的金属材料断裂力学柔度测试方法研究[D]. 成都：西南交通大学，2009.
［8］GB/T 21146, 金属材料 准静态断裂韧度的统一试验方法[S].
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备注/Memo

备注/Memo:
收稿日期：2014－08－07
作者简介：姚登樽(1982—) ，男，博士，工程师，主要从事长输管道与储罐工程用材料、管件、焊接工艺研究以及材料失效分析与预防控制等工作。
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