Investigating Amorphous Metal Composite Architectures as Spacecraft Shielding
作者： Marc Davidson , Scott Roberts , Gerhard Castro , Robert Peter Dillon , Allison Kunz
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摘要: The threat of micro-meteoroid and orbital debris (MMOD) collisions with spacecraft satellites has been increasing the worldwide use low earth orbit. Providing low-areal-density shielding for mitigation these high velocity impacts is essential ensuring successful cost effective missions. Here, we report results obtained from hypervelocity impact testing on bulk metallic glass (BMG) matrix composites. Their carbide-like hardness, melting temperatures, ultra-high strength-to-weight ratio ability to be processed like polymers are material attributes ideally suited shielding, particularly as an outer wall bumper shield.
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