The microstructural development during annealing in the supercooled li
quid region of amorphous Pd46Ni36P18, which is supposedly of phase-sep
arating composition, is compared and contrasted with those of Pd48Ni32
P20 and Pd40Ni10Cu30P20. High resolution electron microscopy showed th
at the as-quenched alloys were fully amorphous while atom probe field
ion microscopy (APFIM) showed random solute distributions, typical of
amorphous materials. Annealing in their respective supercooled liquid
regions did not result in the formation of composition ally-modulate d
microstructures prior to the onset of crystallisation. (C) 1997 Elsev
ier Science S.A.