[1]乔桂英,等.铁素体/贝氏体双相钢循环载荷作用下变形行为的模拟研究[J].焊管,2020,43(6):1-6.[doi:10.19291/j.cnki.1001-3938.2020.06.001]
　QIAO Guiying,WANG Junsi,et al.Simulated on the Deformation Behavior of Ferrite/Bainite Dual-phase Steel under Cyclic Loading[J].,2020,43(6):1-6.[doi:10.19291/j.cnki.1001-3938.2020.06.001]
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铁素体/贝氏体双相钢循环载荷作用下
变形行为的模拟研究()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
43
期数:
2020年第6期
页码:
1-6
栏目:
试验与研究
出版日期:
2020-06-28

文章信息/Info

Title:
Simulated on the Deformation Behavior of
Ferrite/Bainite Dual-phase Steel under Cyclic Loading
文章编号:
10.19291/j.cnki.1001-3938.2020.06.001
作者:
乔桂英1;  2; 王骏思2;  3; 肖福仁2;  3
1. 燕山大学 河北省应用化学重点实验室，河北 秦皇岛 066004；
2. 燕山大学 河北省金属产品工艺与性能优化实验室，河北 秦皇岛 066004；
3. 燕山大学 材料科学与工程学院，河北 秦皇岛 066004
Author(s):
QIAO Guiying1;  2; WANG Junsi2;  3; XIAO Furen2;  3
1. Key Lab of Applied Chemistry of Hebei Province，Yanshan University，Qinhuangdao  066004，Hebei，China；
2. Hebei Key Lab for Optimizing Metal Product Technology and Performance，Yanshan University，Qinhuangdao 066004，Hebei，China；
3. College of Materials Science & Engineering，Yanshan University，Qinhuangdao  066004，Hebei，China
关键词:
铁素体/贝氏体双相钢; 循环载荷; 变形; 有限元; 模拟
Keywords:
ferritic/bainitic dual-phase steel; cyclic loading; deformation; finite element; simulation
分类号:
TG142
DOI:
10.19291/j.cnki.1001-3938.2020.06.001
文献标志码:
A
摘要:
为了避免铁素体/贝氏体双相钢管线管在服役过程中的交变载荷作用下引起的塑性损伤，采用有限元模拟方法，建立了Chaboche随动强化模型，研究了铁素体/贝氏体双相钢在循环应变载荷作用下的变形行为。结果显示，在循环应变作用下，应变优先在铁素体中形成累积，并在铁素体、贝氏体界面集中；随应变幅的增大，应变带在铁素体中形成，而贝氏体内累积应变增加不大，两相界面应变差增大。研究表明，铁素体内应变和两相应变差的增加将降低双相钢的塑性变形能力。
Abstract:
In order to avoid the plastic damage caused by the alternating load of the ferrite/bainite dual phase steel tube in service，the chaboche dynamic strengthening model was established by using the finite element simulation method and the deformation behavior of the ferrite/bainite dual phase steel under the cyclic strain load was studied. The results show that under the cyclic strain，strain accumulates preferentially in ferrite and concentrates at the interface between ferrite and bainite. With the increase of the strain amplitude，the strain band is formed in ferrite，while the cumulative strain in bainite increases little，and the interface strain difference between two phases increases. The results show that the plastic deformation ability of the dual phase steel will be reduced with the increase of the strain in ferrite and the corresponding variation.

参考文献/References:

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相似文献/References:

[1]查春和,付 静,刘栋栋.基于应变设计的X80HD管线钢生产技术研究[J].焊管,2017,40(2):31.[doi:10.19291/j.cnki.1001-3938.2017.02.005]
　ZHA Chunhe,FU Jing,LIU Dongdong.Strain-based Design for X80HD Pipeline Steel Production Technology Research[J].,2017,40(6):31.[doi:10.19291/j.cnki.1001-3938.2017.02.005]

备注/Memo

备注/Memo:

收稿日期：2020－03－02

基金项目： 国家自然科学基金资助项目“双相大应变管线钢及热影响区循环应力塑性损伤及疲劳行为研究”（项目编号51671164）；国家重点研发资助项目“高应变海洋管线管研制”（项目编号2018YFC3010300）。
作者简介：乔桂英（1966—），女，吉林省磐石市人，博士，教授，博士生导师，主要研究方向为低碳微合金管线钢及安全性评价。

更新日期/Last Update: 2020-07-17