Design Customization and Development of Split Hopkinson Pressure Bar for Light and Soft Armour Materials

Shishay Amare Gebremeskel; Neelanchali Asija; Aryan Priyanshu

Design Customization and Development of Split Hopkinson Pressure Bar for Light and Soft Armour Materials

Shishay Amare Gebremeskel * §

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Neelanchali Asija

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Aryan Priyanshu

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Indian Institute of Technology Delhi

Design Customization and Development of Split Hopkinson Pressure Bar for Light and Soft Armour Materials

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Abstract

In order to face the grand challenge of characterizing soft and light armour material system shaving polymers and shear thickening fluids under impacts at high strain rates lead to design and development of this particular SHPB set up. The developed set up is designed for a maximum firing pressure of 300 bar of nitrogen gas and it comprises automated gas filling and firing, striker bar velocity recording and data acquisition system. Pressure bars are made of titanium alloy due to its high yield strength and reasonably lower density which could protect plastic deformation, wave dispersion and reduces impedance mismatch with the intended soft specimens, unlike maraging steel bars. The maximum stresses on the critical parts of the setup are crosschecked with simulation results and compared with corresponding yield strengths. Velocity-pressure calibration of the developed setup shows higher velocities can be achieved at any particular pressure, when it is compared with the existing public domain velocity calibration of SHPB setup.

References

23 Cites in Article

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Shishay Gebremeskel, Neelanchali Asija, Aryan Priyanshu. 2014. "Design Customization and Development of Split Hopkinson Pressure Bar for Light and Soft Armour Materials". Global Journal of Research in Engineering, Global Journal of Research in Engineering - A : Mechanical & Mechanics GJRE-A Volume 14 (GJRE Volume 14 Issue A7).

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GJRE Volume 14 Issue A7

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

Keywords

armour customized design high strain rate impact Simulation split hopkinson pressure bar

Classification

GJRE-A Classification FOR Code: 091399p

Submission ReceivedDecember 7, 2013
Peer Review Double Blind
Handling Editor
Accepted January 4, 2014
Published January 15, 2014

Version of record

v1.2

Issue date

October 31, 2014

Language

English

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Article Matrices

Total Score: 75

Country: Ethiopia

Subject: Global Journal of Research in Engineering

Authors: Shishay Amare Gebremeskel, Neelanchali Asija, Aryan Priyanshu, Hemant Chouhan,Naresh Bhatnagar (PhD/Dr. count: 0)

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