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.