The Proceedings of the Materials and Mechanics Conference
Online ISSN : 2424-2845
2013
Session ID : OS1916
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OS1916 Influence of Temperature on Ejecta Size Distribution Resulting from Hypervelocity Impacts of Projectiles on Thick Aluminum Alloy Targets
Naoto MIYOKAWA, Masahiro NISHIDA, Koichi HAYASHI, FAURE Pauline, Yasuhiro AKAHOSHI
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Keywords: Hypervelocity Impact, Temperature Effect, Thick Target, Ejecta Fragment
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Abstract
The temperature of spacecraft and satellites in low Earth orbit varies from approximately -150°C to 200°C. In this study, we investigated the influence of temperature on ejecta composition and crater formation in thick aluminum alloy targets for an impact velocity of 2 km/s, using a two-stage light-gas gun. The size distribution of ejecta collected from the test chamber were examined in detail.
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© 2013 The Japan Society of Mechanical Engineers
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Proceedings of the 1992 Annual Meeting of JSME/MMD

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