[1]马 璇,等.MA的形成过程和分布对高强度管线钢力学性能的影响[J].焊管,2016,39(5):64-68.[doi:10.19291/j.cnki.1001-3938.2016.05.012]
 Edited and Translated by MA Xuan,WANG Hui,LIU Gangwei,et al.Effects of Distribution and the Formation Process of MA on Deformation and Toughness of High Strength Linepipe Steel[J].,2016,39(5):64-68.[doi:10.19291/j.cnki.1001-3938.2016.05.012]
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MA的形成过程和分布对高强度管线钢力学性能的影响
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
39
期数:
2016年第5期
页码:
64-68
栏目:
国外焊管
出版日期:
2016-05-28

文章信息/Info

Title:
Effects of Distribution and the Formation Process of MA on Deformation and
Toughness of High Strength Linepipe Steel
文章编号:
10.19291/j.cnki.1001-3938.2016.05.012
作者:
马 璇1 2王 慧1 2刘刚伟1 2芦 琳1 2杨 俊3郑 浩4编译
1. 国家石油天然气管材工程技术研究中心,陕西 宝鸡 721008;
2. 宝鸡石油钢管有限责任公司 钢管研究院,陕西 宝鸡 721008;
3. 宝鸡钢管西安石油专用管分公司,西安 710201;
4. 西安航空学院 能源与建筑学院,西安 710089
Author(s):
Edited and Translated by MA Xuan12 WANG Hui12 LIU Gangwei12 LU Ling12 YANG Jun3 ZHENG Hao4
1. National Petroleum and Gas Tubular Goods Engineering Technology Research Center,Baoji 721008,Shaanxi,China;
2. Steel Pipe Research Institute, Baoji Petroleum Steel Pipe Co., Ltd., Baoji 721008, Shaanxi, China;
3. Xi’an OCTG Company of BSG Group, Xi’an 710201, China;
4. School of Energy and Architecture, Xi’an Institute of Aviation, Xi’an 710089, China
关键词:
管线钢抗大变形MA热处理韧性
Keywords:
pipeline steel high deformability MA heat treatment toughness
分类号:
TE973.1
DOI:
10.19291/j.cnki.1001-3938.2016.05.012
文献标志码:
B
摘要:
为了使抗大变形管线钢具有良好的力学性能,了解MA形成过程对管线钢力学性能的影响,研究了在线热处理和离线热处理工艺下试样MA的显微组织结构和力学性能,研究结果表明,马氏体是MA的主要组成部分,MA的分布和形状在两种热处理工艺下都不同,试样 MA中出现碳富集,在线热处理试样MA中的碳浓度高于离线热处理试样,不同形态的MA和基体使材料在裂纹扩展中表现出不同的韧性,在线热处理试样其形成的MA结构具有良好的力学性能。
Abstract:
In order to obtain good mechanical properties for pipeline steel with high deformability, for understanding the formation process and its effect on mechanical properties, microstructural analysis of the MA formed through two different heat treatments (on-line heat process and off-line heat process) is conducted. Based on SEM and TEM observation, it is found that the MA consisted mainly of martensite and its distributions and shapes are different between on-line and off-line heat process samples. Carbon concentration occurs in MA of sample, the carbon concentration of on-line heat treatment sample is higher than that of off-line heat treatment, the MA with different shape and substrate material show different toughness in the crack propagation, MA structure formed by on-line heat treatment is with good mechanical properties.

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备注/Memo

备注/Memo:
作收稿日期:2015-12-8
者简介:马 璇(1983—),女,硕士,主要从事管材科技信息编辑工作。
更新日期/Last Update: