Design Customization and Development of Split Hopkinson Pressure Bar for Light and Soft Armour Materials
Keywords:
split hopkinson pressure bar, high strain rate impact, armour, customized design, simulation
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 Velocitypressure 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
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Published
2014-05-15
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Copyright (c) 2014 Authors and Global Journals Private Limited
This work is licensed under a Creative Commons Attribution 4.0 International License.