加压氢气管道焊缝及热影响区的疲劳试验。

IF 1.3 4区工程技术 Q3 INSTRUMENTS & INSTRUMENTATION Journal of Research of the National Institute of Standards and Technology Pub Date : 2019-04-26 eCollection Date: 2019-01-01 DOI:10.6028/jres.124.008

Elizabeth S Drexler, Andrew J Slifka, Robert L Amaro, Jeffrey W Sowards, Matthew J Connolly, May L Martin, Damian S Lauria

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引用次数: 9

摘要

对两根API X70和两根API X52管道的几个焊缝和相关热影响区(haz)进行了测试，以确定加压氢气中的疲劳裂纹扩展速率(FCGR)，并评估管道在氢气作用下最容易疲劳的区域。与母材相比，讨论了焊接用fgrs与haz之间的关系，包括局部残余应力、裂纹实际路径的差异以及氢压力效应。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Fatigue Testing of Pipeline Welds and Heat-Affected Zones in Pressurized Hydrogen Gas.

Several welds and associated heat-affected zones (HAZs) on two API X70 and two API X52 pipes were tested to determine the fatigue crack growth rate (FCGR) in pressurized hydrogen gas and assess the area of the pipe that was most susceptible to fatigue when subjected to hydrogen gas. The relationship between FCGRs for welds and HAZs compared to base metal is discussed relative to local residual stresses, differences in the actual path of the crack, and hydrogen pressure effects.

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来源期刊

Journal of Research of the National Institute of Standards and Technology 工程技术-物理：应用

自引率

33.30%

发文量

审稿时长

>12 weeks

期刊介绍： The Journal of Research of the National Institute of Standards and Technology is the flagship publication of the National Institute of Standards and Technology. It has been published under various titles and forms since 1904, with its roots as Scientific Papers issued as the Bulletin of the Bureau of Standards. In 1928, the Scientific Papers were combined with Technologic Papers, which reported results of investigations of material and methods of testing. This new publication was titled the Bureau of Standards Journal of Research. The Journal of Research of NIST reports NIST research and development in metrology and related fields of physical science, engineering, applied mathematics, statistics, biotechnology, information technology.