TY - GEN
T1 - Material Survivability on Launch of Slender Ballistic Range Projectiles
AU - Dworzanczyk, A. R.
AU - Parziale, N. J.
AU - Mueschke, N. J.
AU - Grosch, D. J.
AU - Bueno, P.
N1 - Publisher Copyright:
© 2022, American Institute of Aeronautics and Astronautics Inc. All rights reserved.
PY - 2022
Y1 - 2022
N2 - To study particulate and precipitation effects on high-speed vehicles, slender projectiles were fabricated from different relevant materials and subjected to ballistic range experiments. The materials were selected for their applicability to future aerospace structures and include 625 Inconel, 2-D carbon-carbon composite, and fully-dense alumina. The ballistic range tests were carried out at Southwest Research Institute’s (SwRI) Light Gas Gun (LGG) facility to determine material suitability for future studies of the interaction of high-speed projectiles with multiphase flow fields, and required subjecting the projectiles to accelerations in excess of 70,000 G. Only the 625 Inconel projectiles survived launch during the experiment. Projectiles fabricated from 2-D carbon-carbon and from alumina shattered during launch. Schlieren, X-ray, and high-speed optical images of each projectile were collected to study the manner of flight and/or breakup of each projectile. In order to avoid failure in the future, the projectiles were totally redesigned into blunt-nosed, full-bore-rider projectiles. The new designs were analyzed using finite element analysis to increase confidence that they will survive launch during a new round of tests.
AB - To study particulate and precipitation effects on high-speed vehicles, slender projectiles were fabricated from different relevant materials and subjected to ballistic range experiments. The materials were selected for their applicability to future aerospace structures and include 625 Inconel, 2-D carbon-carbon composite, and fully-dense alumina. The ballistic range tests were carried out at Southwest Research Institute’s (SwRI) Light Gas Gun (LGG) facility to determine material suitability for future studies of the interaction of high-speed projectiles with multiphase flow fields, and required subjecting the projectiles to accelerations in excess of 70,000 G. Only the 625 Inconel projectiles survived launch during the experiment. Projectiles fabricated from 2-D carbon-carbon and from alumina shattered during launch. Schlieren, X-ray, and high-speed optical images of each projectile were collected to study the manner of flight and/or breakup of each projectile. In order to avoid failure in the future, the projectiles were totally redesigned into blunt-nosed, full-bore-rider projectiles. The new designs were analyzed using finite element analysis to increase confidence that they will survive launch during a new round of tests.
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U2 - 10.2514/6.2022-0772
DO - 10.2514/6.2022-0772
M3 - Conference contribution
AN - SCOPUS:85123395847
SN - 9781624106316
T3 - AIAA Science and Technology Forum and Exposition, AIAA SciTech Forum 2022
BT - AIAA SciTech Forum 2022
T2 - AIAA Science and Technology Forum and Exposition, AIAA SciTech Forum 2022
Y2 - 3 January 2022 through 7 January 2022
ER -