A novel route for preparing binary Sm–Co bulk amorphous alloys

A novel route for preparing binary amorphous alloy was proposed using Sm–Co system as an example. The alloy ingots with given compositions were used as the parent material. The amorphous intermetallic powder obtained by ball milling the parent alloy was consolidated by the high-pressure spark plasma sintering. The bulk amorphous alloy was detected and confirmed by X-ray diffraction, differential scanning calorimetry and transmission electron microscopy. The present route is potentially applicable to prepare a variety of binary and multicomponent bulk amorphous alloys with adjustable compositions.