[1]马立立,陶爱莲,吴 强,等.基于数字图像装置的X70管线钢各向异性研究[J].焊管,2018,41(5):63-68.[doi:10.19291/j.cnki.1001-3938.2018.05.012]
　Edited and Translated by MA Lili,TAO Ailian,WU Qiang,et al.Anisotropic Study of X70 Pipeline Steel Using a Multi-dic Setup[J].,2018,41(5):63-68.[doi:10.19291/j.cnki.1001-3938.2018.05.012]
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基于数字图像装置的X70管线钢各向异性研究()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
41
期数:
2018年第5期
页码:
63-68
栏目:
国外焊管
出版日期:
2018-05-28

文章信息/Info

Title:
Anisotropic Study of X70 Pipeline Steel Using a Multi-dic Setup
文章编号:
10.19291/j.cnki.1001-3938.2018.05.012
作者:
马立立; 陶爱莲; 吴 强; 龚 健　编译
南京巨龙钢管有限公司，南京 210061
Author(s):
Edited and Translated by MA Lili;  TAO Ailian;  WU Qiang;  GONG Jian
Nanjing julong Steel Pipe Co., Ltd., Nanjing 210061, China
关键词:
X70钢; 硬化行为; 各向异性; 有限元模拟; 力学性能
Keywords:
X70 steel;  hardening behavior;  anisotropy;  finite element simulation;  mechanical properties
分类号:
TG115.5
DOI:
10.19291/j.cnki.1001-3938.2018.05.012
文献标志码:
A
摘要:
为了研究23.5 mm厚X70管线钢的硬化行为和各向异性，采用数字应变测定仪对带曲率的卷板拉伸试样从前、后表面测量应变场力，再利用有限元模拟试验，运用与试验室相同的边界条件获得力和应变场。研究结果表明，当同时减少力和应变场，可测出超过最大均匀伸长率的应变硬化行为；而管线钢的热轧制过程形成的各向异性，则通过测量前面和侧面两个面，从而得出3D各向异性屈服准则。
Abstract:
In order to study the hardening behavior and anisotropy of 23.5 mm thickness X70 pipeline steel, a digital strain gauge was used to measure the strain field force from the front and back surfaces of the curled plate tensile specimen with curvature, and then the finite element simulation test was used to obtain the force and strain field using the same boundary conditions as the laboratory. The results show that the strain hardening behavior of the exceeding maximum uniform elongation can be measured by reducing the force and strain field simultaneously ; the anisotropy formed during the hot rolling process of the pipeline steel is measured by measuring both the front and the side surfaces,  and resulted in a 3D anisotropic yield criterion.

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备注/Memo

备注/Memo:
收稿日期：2017－12－01
 译者简介：马立立（1984—），女，学士学位，工程师，主要从事质量管理及理化试验工作。
更新日期/Last Update: 2018-05-28