波形整形技术在Hopkinson杆实验中的应用

果春焕; 周培俊; 陆子川; 常云鹏; 邹广平; 姜风春

doi:10.11883/1001-1455(2015)06-0881-07

波形整形技术在Hopkinson杆实验中的应用

doi: 10.11883/1001-1455(2015)06-0881-07

1.
哈尔滨工程大学材料科学与化学工程学院超轻材料与表面技术教育部重点实验室，哈尔滨黑龙江 150001
2.
哈尔滨工程大学航天与建筑工程学院, 哈尔滨黑龙江 150001

基金项目: 国家自然科学基金项目(11172074, 11402060);中央高校基本科研业务费专项基金项目(HEUCFD15010)

详细信息

作者简介:
果春焕(1980—), 女, 博士, 讲师

通讯作者:
姜风春, fengchunjiang@hrbeu.edu.cn

中图分类号: O347
计量
- 文章访问数: 4153
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- 被引次数: 0
出版历程
- 收稿日期: 2014-05-16
- 修回日期: 2014-11-18
- 刊出日期: 2015-12-10

Application of pulse shaping technique in Hopkinson bar experiments

1.
Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, Heilonhjiang, China
2.
College of Aerospace and Civil Engineering Harbin Engineering University, Harbin 150001, Heilongjiang, China

摘要

摘要: 由于波形整形技术可减小Hopkinson杆实验在撞击过程中产生的高频振荡以及实现试样在受载过程中的恒应变率加载，因此，波形整形技术越来越受到关注。本文中详细介绍了波形整形技术在Hopkinson杆的动态压缩、拉伸、巴西圆盘、弯曲断裂等实验中的研究进展，并给出了该技术在应用中需注意的问题。
- 固体力学 /
- Hopkinson杆 /
- 恒应变率 /
- 波形整形技术 /
- 动态应力平衡 /
- 动态断裂韧性
Abstract: New findings in the research of pulse shaping technique are widely used in dynamic compressive test. Dynamic tension, Brazilian disc test and dynamic bending fracture test are introduced in detail. Furthermore, the problems found in the application of the pulse shaping technique are summarized, and the directions for further research in this area are put forward.
- solid mechanics /
- Hopkinson bar /
- constant strain rate /
- pulse shaping technique /
- dynamic stress equilibrium /
- dynamic fracture toughness

HTML全文

图 1 带有预加载杆和虚拟试样的Hopkinson压杆装置系统^[13]

Figure 1. Hopkinson pressure bar apparatus with pre-loading bar and dummy specimen^[13]

下载: 全尺寸图片幻灯片

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