  Aluminium alloy AA7075 (Al-Zn-Mg-Cu) specimens were prepared using selective
laser melting, also known as powder bed fusion additive manufacturing. In the
as-manufactured state, which represents a locally rapidly solidified condition,
the prevalence of a previously unreported icosahedral quasicrystal with 5-fold
symmetry was observed. The icosahedral quasicrystal, which has been termed
nu-phase, was comprised of Zn, Cu and Mg.
