The Proceedings of the Materials and Mechanics Conference
Online ISSN : 2424-2845
2017
Session ID : OS0418
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Ejecta Size and Crater Size of Pure Aluminum in Hypervelocity Impacts
*Masahiro NISHIDAYushiro MOZAKIHiroki TANAKAHiroyuki YAMADA
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CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract

After aluminum alloy A2017-T4 spheres with a diameter of 1.0mm struck thick pure aluminum targets, 4N, 3N and A1050, at an impact velocity of 5 km/s, ejecta size distribution were examined in detail. A two-stage light-gas gun at the Institute of Space and Astronautical Science (ISAS)/Japan Aerospace Exploration Agency (JAXA) was used for impact experiments. The size of the ejecta collected from the test chamber was measured using image analysis software. The size distribution from the pure aluminum targets was compared with that of aluminum alloy 6061-T6.

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© 2017 The Japan Society of Mechanical Engineers
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