Fig. 2: Microstructure of Ti-0.45O-4Fe alloy after PBF-LB.
From: Oxygen-mediated high uniform plasticity in α-β titanium alloys
a Scanning electron microscope (SEM) image showing equiaxed prior-β grains. b Ultrafine lamellar phases in equiaxed prior-β grains of (a). c A bright-field transmission electron microscope (TEM) view of the ultrafine lamellar phases in (b). d Distribution of iron (Fe) in ultrafine lamellar phases of (c) by energy dispersive X-ray spectroscopy (EDS) mapping. e Selected area electron diffraction (SAED) patterns of α, β, and ω phases in the PBF-LB-fabricated microstructure. f A dark-field TEM image of the ω-phase precipitates.
