适应冲孔和双缺口剪切试验的分离式霍普金森压杆试样夹具的设计

IF 0.9 Q3 ENGINEERING, MULTIDISCIPLINARY

Journal of Engineering and Technological Sciences Pub Date : 2022-07-18 DOI:10.5614/j.eng.technol.sci.2022.54.4.8

Arya Dipajaya, Kemal I. Ahmad, M. A. Kariem

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引用次数: 2

摘要

本研究的重点是设计一种试样夹具，该夹具可以安装在传统传动杆的末端，以便可以使用任何传统的劈裂霍普金森装置进行剪切测试(冲孔和双缺口)。以6061-T651铝合金为试样材料，采用Abaqus/CAE软件进行有限元分析。研究成功地确定了夹具的几何形状和尺寸对劈裂-霍普金森剪切杆试验结果的影响。优化后的双缺口夹具精度高，剪切应力值与原夹具的差值仅为1.49%，且只需70 μs即可达到力平衡。然而，冲床夹具只能在100 μs后达到力平衡，因此提供的观测数据太少。需要对冲床夹具进行未来的工作。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Design of Split-Hopkinson Pressure Bar Specimen Fixture to Accommodate Punch and Double-Notch Shear Testing

This study focused on the design of a specimen fixture which can be installed on the end of a conventional transmission bar so that shear testing (punch and double-notch) can be conducted with any conventional split-Hopkinson apparatus. The research was conducted by using the finite element method in Abaqus/CAE with 6061-T651 Aluminum as the specimen material. The research successfully determined the effect of the fixture’s geometry and dimensions on the split-Hopkinson shear bar testing results. The optimum double-notch fixture provides great accuracy, having only a shear stress value difference of 1.49% with the original setup, while attaining force equilibrium after only 70 μs. The punch fixture, however, could only reach force equilibrium after 100 μs, thus providing too few observable data. Future work on the punch fixture is needed.

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来源期刊

Journal of Engineering and Technological Sciences ENGINEERING, MULTIDISCIPLINARY-

CiteScore

2.30

自引率

11.10%

发文量

审稿时长

24 weeks

期刊介绍： Journal of Engineering and Technological Sciences welcomes full research articles in the area of Engineering Sciences from the following subject areas: Aerospace Engineering, Biotechnology, Chemical Engineering, Civil Engineering, Electrical Engineering, Engineering Physics, Environmental Engineering, Industrial Engineering, Information Engineering, Mechanical Engineering, Material Science and Engineering, Manufacturing Processes, Microelectronics, Mining Engineering, Petroleum Engineering, and other application of physical, biological, chemical and mathematical sciences in engineering. Authors are invited to submit articles that have not been published previously and are not under consideration elsewhere.