Research Article

Applied Pressure on Altering the Nano-Crystallization Behavior of Al86Ni6Y4.5Co2La1.5 Metallic Glass Powder during Spark Plasma Sintering and Its Effect on Powder Consolidation

Figure 4

TEM bright field (BF) images of particle-particle interfaces in SPS-processed samples: (a) sintered at 248.5°C under 200 MPa; (b) sintered at 248.5°C under 600 MPa, free of crystallization; and (c) TEM-EDX results obtained from the interface shown in (a), indicative of noticeable crystallization of fcc-Al.
101508.fig.004a
(a)
101508.fig.004b
(b)
101508.fig.004c
(c)