电磁霍普金森杆实验技术及研究进展

王维斌; 索涛; 郭亚洲; 李玉龙; 聂海亮; 刘会芳; 金康华; 杜冰; 江斌

doi:10.6052/1000-0992-20-024

电磁霍普金森杆实验技术及研究进展

doi: 10.6052/1000-0992-20-024

西北工业大学航空学院, 西安 710072
陕西省冲击动力学及工程应用重点实验室, 西安 710072
冲击动力学及其工程应用国际联合研究中心, 西安 710072

基金项目: 高等学校创新引智计划资助(BP0719007); 国家自然科学基金资助项目(11527803, 11922211, 12172304, 12025205).

详细信息

作者简介:
李玉龙, 教授, 博士生导师. 美国约翰霍布金森大学、日本东京理科大学、法国巴黎第六大学等访问教授. 享受国务院政府特殊津贴, 2004年入选“国防科工委第二批国防科技工业‘511’人才工程”, 2006年被评为国防科工委“优秀教师”称号, 入选陕西省“三五人才”. 现任国际理论与实用力学联合会(IUTAM)材料力学工作委员会委员, 国家“863”专家组成员, 国务院学位委员会第六届学科评议组力学组成员, 第六届教育部科学技术委员会数理学部委员, 第十一届、第十二届国家自然科学基金委员会数理科学部专家评审组成员, 中国力学学会第九届理事会常务理事, 中国航空学会第八届理事会理事、结构与强度分会主任委员. 《Acta Mechanica Sinica》《固体力学学报》《航空学报》《爆炸与冲击》等杂志编委. 国家重点学科“固体力学”学科带头人, 国防重点学科实验室“飞行器结构力学与强度技术”负责人, 教育部和国家外专局创新引智基地“结构力学行为科学与技术”负责人, 航空学院“先进结构与材料研究所”所长. 主要从事飞行器结构抗坠毁设计, 飞行器结构抗离散源撞击设计、分析与试验验证, 极端环境下先进材料及结构的力学行为及其优化设计等研究工作, 主持多项国家自然科学重点基金、国防预研以及重大工程应用项目的研究. 出版专著4本, 获美国、法国专利共计3项, 中国专利20余项, 获得省部级科技成果一等奖、二等奖共5项, 国家级教学成果一等奖2项. 发表论文260余篇, 被SCI检索100篇, 被EI检索137篇

通讯作者:
liyulong@nwpu.edu.cn

中图分类号: O347.3
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出版历程
- 收稿日期: 2020-09-28
- 录用日期: 2021-08-18
- 网络出版日期: 2021-09-01
- 刊出日期: 2021-11-26

Experimental technique and research progress of electromagnetic Hopkinson bar

School of Aeronautics, Northwest Polytechnical University, Xi'an 710072, China
Shaanxi Key Laboratory of Impact Dynamics and Engineering Application, Xi'an 710072, China
International Joint Research Centre for Impact Dynamics and Its Engineering Applications, Xi'an 710072, China

More Information

Corresponding author: liyulong@nwpu.edu.cn

摘要

摘要: 电磁霍普金森(E-Hopkinson)杆实验技术是利用电磁驱动的方式替代了传统霍普金森杆中子弹撞击加载杆来产生应力波, 是电磁驱动技术与霍普金森杆实验技术相结合而发展起来的一种新的动态加载技术. 本文综述了E-Hopkinson杆实验技术在单轴单向/双向及动态双轴对称压缩/拉伸、复合材料的层间断裂、金属动态包辛格效应等领域的应用现状, 涵盖了实验研究, 理论分析及数值模拟等, 最后对该实验技术未来发展方向进行了展望.
- 电磁霍普金森杆 /
- 电磁驱动技术 /
- 多轴同步加载 /
- 动态断裂 /
- 波形整形
Abstract: The e-Hopkinson bar test technology is a new dynamic loading technology developed by combining the electromagnetic drive technology with the Hopkinson bar test technology, which replaces the traditional Hopkinson bar with the bullet hitting the loading bar to generate stress waves. In this paper, the application status of e-Hopkinson bar test technology in uniaxial unidirectional/biaxial and dynamic biaxial symmetric compression/tension, interlaminar fracture of composites, dynamic bauschinger effect and other fields are reviewed, including experimental research, theoretical analysis and numerical simulation. Finally, the future development direction of e-Hopkinson bar test technology is prospected.
- E-Hopkinson bar /
- electromagnetic drive technology /
- multi-axis synchronous loading /
- dynamic fracture /
- corrugated plastic

HTML全文

图 1 Kolsky提出的实验装置示意图(Kolsky 1949)

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图 2 用于分离式Hopkinson压杆装置的电磁驱动装置原理图(Liu et al. 2014)

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图 3 微型双脉冲串联加载SHPB实验装置原理图(Huang et al. 2019)

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图 4 基于电磁加载的拉压杆集成装置原理图(Chen et al. 2014)

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图 5 单轴单向E-Hopkinson杆加载装置原理图(Nie et al. 2018a, 2018b)

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图 6 E-Hopkinson杆放电等效电路

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图 7 放电线圈与次级线圈结构图. (a)刨面图, (b)线圈简化模型图

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图 8 电磁场模型的网络划分

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图 9 次级线圈与入射杆结构场模型部分单元

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图 10 2 mF与4 mF电容在500 V及1 kV电压下的数值模拟和实验测试结果对比

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图 11 电磁场数值模拟结果: (a)次级线圈周围磁场云图, (b)次级线圈上磁力线分布

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图 12 数值模拟中得到的次级线圈底端与压杆内部的应力波对比

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图 13 压缩实验结果. (a)黄铜, (b)2024铝

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图 14 拉伸实验结果, (a)黄铜, (b)2024铝

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图 15 E-Hopkinson杆单轴双向压缩加载示意图

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图 16 E-Hopkinson杆双向加载数据推导示意图

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图 17 (a)单向压缩实验的原始波形及(b)试样两端应力、应变率及应力平衡系数, R(t)-时间曲线(江斌等 2020)

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图 18 (a)动态双向压缩实验的原始波形及(b)试样两端应力、应变率及应力平衡系数, R(t)-时间曲线(江斌等 2020)

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图 19 动态双向加载层间断裂示意图

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图 20 高速摄像机拍摄的DCB试样变形过程. (a)对称加载, (b)单边加载

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图 21 (a)动态DCB实验入射波与反射波, (b)试样加载过程中I型和II型能量释放率变化曲线(Liu et al. 2018)

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图 22 包辛格效应动态单轴双向非同步加载E-Hopkinson杆系统示意图

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图 23 连续的预压缩−拉伸加载的入射波. (a)入射波加载过程, (b)压缩波与拉伸波的一致性

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图 24 应变率350 s⁻¹下6061铝合金5%预压缩−拉伸的应力−应变曲线. (a)预压缩-卸载, (b)反向拉伸

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图 25 动态双轴E-Hopkinson杆实验装置布局图

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图 26 动态双轴E-Hopkinson杆实验装置实物图

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图 27 动态双轴E-Hopkinson 杆同步放电采集的四列应力波信号

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图 28 Ohtake等(1999)提出的三种十字型试样的夹持臂出现断裂失效而提出了三种解决方案. (a)切除部分区域, (b)减小测试区厚度, (c)试样臂上加工狭缝

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图 29 三轴动态加载装置构想图

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