Development of a Vertical Split Hopkinson Pressure Bar

SHANG Bing; WANG Tongtong

doi:10.11858/gywlxb.20170658

Volume 32 Issue 4

Apr 2018

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Chinese Journal of High Pressure Physics > 2018 > 32(4): 043201.

SHANG Bing, WANG Tongtong. Development of a Vertical Split Hopkinson Pressure Bar[J]. Chinese Journal of High Pressure Physics, 2018, 32(4): 043201. doi: 10.11858/gywlxb.20170658

Citation:

SHANG Bing, WANG Tongtong. Development of a Vertical Split Hopkinson Pressure Bar[J]. Chinese Journal of High Pressure Physics, 2018, 32(4): 043201. doi: 10.11858/gywlxb.20170658

SHANG Bing, WANG Tongtong. Development of a Vertical Split Hopkinson Pressure Bar[J]. Chinese Journal of High Pressure Physics, 2018, 32(4): 043201. doi: 10.11858/gywlxb.20170658

Citation:

SHANG Bing, WANG Tongtong. Development of a Vertical Split Hopkinson Pressure Bar[J]. Chinese Journal of High Pressure Physics, 2018, 32(4): 043201. doi: 10.11858/gywlxb.20170658

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Development of a Vertical Split Hopkinson Pressure Bar

doi: 10.11858/gywlxb.20170658

SHANG Bing^1
,,
WANG Tongtong²

1.
School of Harbor Engineering, Guangzhou Maritime University, Guangzhou 510725, China
2.
Department of Basic Courses, Guangzhou Maritime University, Guangzhou 510725, China

Received Date: 11 Oct 2017
Rev Recd Date: 14 Dec 2017

Abstract

Abstract

Measuring the dynamic constitutive relation of low-impedance materials which are usually used in the field such as energy absorption and cushion by using a split Hopkinson pressure bar (SHPB) device generally does not require a high impact velocity of bullet but a stable one with little error in the experiments.In this study, based on the principle of free fall, we developed a vertical split Hopkinson pressure bar.We can precisely control the bullet impacting speed through the height of the free fall.In order to eliminate the gravity effects on the experiment, we held the incident bar by the friction force, and let the friction force equals the incident bar gravity.We carried out dynamic compression experiments of polyvinyl alcohol (PVA) fiber concrete to verify the reliability of the experimental device.
- split Hopkinson pressure bar (SHPB),
- fiber concrete,
- dynamic mechanical property,
- strain rate

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References(16)

References

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