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Strain-gage instrumentation for ammunition testing

A new arrangement of strain gages was used to measure (\(( \in _{\theta } + v \in _z \)) in order to determine ballistic pressures for quality-assurance testing of ammunition) in order to determine ballistic pressures for quality-assurance testing of ammunition

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Abstract

This paper deals with a feasibility study on the use of electrical-resistance strain gages for quality-assurance testing of ammunition. A special combination of strain gages was selected to measure the quantity (\( \in _\theta + v \in _z \)) on the outer surface of a test barrel. This combination of strain gages was essentially a stress gage which has several advantages over commercially available types. The combined strain signal was proportional to\(\sigma _\theta \) which was related to the internal ballistic pressure. The results of ballistic firings and hydraulic tests are reported which demonstrate the feasibility of this method for acceptance testing of ammunition.

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Authors and Affiliations

  1. Pitman-Dunn Laboratory, Frankford Arsenal, 19137, Philadelphia, PA

    Paul D. Flynn

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  1. Paul D. Flynn
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Flynn, P.D. Strain-gage instrumentation for ammunition testing. Experimental Mechanics 15, 192–200 (1975). https://doi.org/10.1007/BF02319147

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  • DOI: https://doi.org/10.1007/BF02319147

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