Shock Synthesis of Decagonal Quasicrystals.

ABSTRACT: The Khatyrka meteorite contains both icosahedral and decagonal quasicrystals. In our previous studies, icosahedral quasicrystals have been synthesized and recovered from shock experiments at the interface between CuAl₅ and stainless steel 304 alloys. In this study, we report a new shock recovery experiment aimed at synthesizing decagonal quasicrystals similar to decagonite, natural Al₇₁Ni₂₄Fe₅. Aluminum 2024 and permalloy 80 alloys were stacked together and shocked in a stainless steel 304 recovery chamber. Abundant decagonal quasicrystals of average composition Al₇₃Ni₁₉Fe₄Cu₂Mg_0.6Mo_0.4Mn_0.3 with traces of Si and Cr were found along the recovered interface between the Al

SUBMITTER: Oppenheim J 

PROVIDER: S-EPMC5688080 | biostudies-literature | 2017 Nov

REPOSITORIES: biostudies-literature