Phason strained quasicrystalline and crystalline precipitates in Zr-Al-Ni-Cu-Nb bulk metallic glass matrix composites

► TEM study of precipitates in Zr-Al-Ni-Cu-Nb BMG. ► Quasicrystalline precipitates always contain linear phason strain. ► The linear phason strain was determined quantitatively by electron diffraction analysis. ► Identification of a nano-scaled crystalline precipitate