… as-cast microstructures of TiAl alloys with various … obvious grain refinement in cast alloys,
the effects of boron addition in … that boron concentration as low as 0.1 % can refine the lamellar …

… Boron is the most commonly used grain refining element in γ-… the B content can refine the
lamellae size of TNM alloys and … The samples for TEM observation were processed by twin jet …

… Sintering of a boron and tungsten containing alloy (Ti 49,92 … alloy in this β field is assumed
to lead to a final refinement of … lamellar grain has been reported for a GE TiAl alloy (Ti 49 Al 47 …

… refining large borides for the TiAl alloys with boron. In the current … processing, and provide
valuable grain refinement for the … refining the lamellar colonies and borides of the TiAl-based …

… ) material, the thermomechanical processes consist of forging … which finally leads to a
refinement of the microstructure. … no α 2 lamellae), Hazzledine predicts that each γ lamella is in a …

… , the shaping and processing of TiAl-based alloys are carried … net shape forming, refined
microstructure and improved property. … C, the lamellae appear in the alloy and the microstructure …

… aging to refine the microstructure of the Ti–48Al–2Cr–2Nb alloy. … Although a fully lamellar
microstructure was obtained by … spacing in ST-processed alloy were refined through α to α 2 …

… lamellar microstructure made of γ/α 2 lamellar … processing route appears to result in a
slight increase in RT plastic elongation by generating uniform and non-textured microstructures…

… Boron has been incorporated to reduce the grain size, a well-… phases used in the Rietveld
refinement model were adjusted to … of the lamellar microstructure through the incorporation of …

… Spark Plasma Sintering is used to sinter several alloys with a near-γ microstructure. Both the
effect of boron … [15,16] in a lamellar TiAl alloy where the deformation propagated through the …