基复板间距对钛-不锈钢爆炸焊接质量影响的数值模拟

缪广红; 吴伟达; 周大鹏; 董继蕾; 魏正梅; 陈龙; 朱志强

doi:10.21656/1000-0887.450301

基复板间距对钛-不锈钢爆炸焊接质量影响的数值模拟

doi: 10.21656/1000-0887.450301

1. 安徽理工大学力学与光电物理学院，安徽淮南 232001;
2. 安徽理工大学土木建筑学院，安徽淮南 232001;
3. 中煤科工集团淮北爆破技术研究院有限公司，安徽淮北 235000

基金项目:

国家自然科学基金（11902003）

详细信息

作者简介:
缪广红（1985—），男，博士，硕士生导师(通讯作者. E-mail: miaogh@mail.ustc.edu.cn).

通讯作者:
缪广红（1985—），男，博士，硕士生导师(通讯作者. E-mail: miaogh@mail.ustc.edu.cn).

中图分类号: TG456.6
计量
- 文章访问数: 33
- HTML全文浏览量: 7
- PDF下载量: 4
- 被引次数: 0
出版历程
- 收稿日期: 2024-11-04
- 修回日期: 2025-02-20
- 网络出版日期: 2025-05-30

Numerical Simulation of Stand-Off Distance Effects on Explosive Welding Quality of Titanium-Stainless Steel

1. School of Mechanics and Optoelectronics Physics, Anhui University of Science and Technology, Huainan, Anhui 232001, P.R.China;
2. School of Civil Engineering and Architecture, Anhui University of Science and Technology, Huainan, Anhui 232001, P.R.China;
3. CCTEG Huaibei Blasting Technology Research Institute Co., Ltd., Huaibei, Anhui 235000, P.R.China

Funds:

The National Science Foundation of China(11902003)

摘要

摘要: 研究了基复板间距对钛(TP 270C)与不锈钢(SUS 821L1)复合板爆炸焊接质量的影响.使用ANSYS/LS-DYNA有限元软件，并结合两种不同算法(ALE法、SPH-FEM耦合法)，对不同基复板间距(1.2 mm，2.2 mm，3.5 mm)下的爆炸焊接过程进行了三维数值模拟.模拟结果显示，在ALE法和SPH-FEM耦合法两种算法下，三组模拟复板竖向位移均达到或超过基复板间距，碰撞速度与碰撞角度均位于焊接窗口有效区间内.此外，随着间距增大，复板碰撞速度和碰撞角呈现正向增长趋势，其中间距为3.5 mm时，复合板表现出最佳焊接质量.模拟验证了两种算法均适用于钛合金(TP 270C)与不锈钢(SUS 821L1)的爆炸焊接.三种间距下钛合金(TP 270C)与不锈钢(SUS 821L1)可实现稳定复合，随着间距的增大，焊接界面的结合强度逐渐提高.
- 间距 /
- 爆炸焊接 /
- ALE算法 /
- SPH-FEM耦合算法
Abstract: The effects of stand-off distance on explosive welding quality between titanium (TP 270C) and stainless steel (SUS 821L1) composite plates, were investigated. The 3D numerical simulations were conducted with the ANSYS/LS-DYNA software by 2 algorithms (the ALE method and the SPH-FEM coupling method) for 3 stand-off distances: 1.2 mm, 2.2 mm and 3.5 mm. The simulation results show that, for both algorithms the vertical displacements of flyer plates reach or exceed respective stand-off distances. The collision velocities and angles consistently fall within the acceptable range of the welding window. The collision velocity and angle exhibit positive correlations with increasing stand-off distances. Optimal welding quality occurs at the 3.5 mm stand-off distance. The results verify that both algorithms effectively simulate explosive welding between the TP 270C titanium alloy and the SUS 821L1 stainless steel. Stable bonding is achievable across all tested stand-off distances. Moreover, the interfacial bonding strength increases progressively with the stand-off distance, which demonstrates an enhancement mechanism in welding quality through parameter optimization.
- stand-off distance /
- explosive welding /
- ALE algorithm /
- SPH-FEM coupling algorithm

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参考文献(16)

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