Applied Pressure on Altering the Nano-Crystallization Behavior of Al₈₆Ni₆Y_4.5Co₂La_1.5 Metallic Glass Powder during Spark Plasma Sintering and Its Effect on Powder Consolidation

Figure 1

(a) SEM image of the starting Al₈₆Ni₆Y_4.5Co₂La_1.5 MG powder used for fabrication; (b) XPS survey spectra of the Al₈₆Ni₆Y_4.5Co₂La_1.5 MG powder; (c) a 10 mm diameter Al₈₆Ni₆Y_4.5Co₂La_1.5 BMG disk (thickness: 4 mm) (sintering conditions: 2 min at 248.5°C under 600 MPa); and (d) XRD pattern of the fabricated Al₈₆Ni₆Y_4.5Co₂La_1.5 sample.

(a)

(b)

(c)

(d)