The structure of the unidirectionally solidified Al-Al2Au eutectic

The structure of a number of unidirectionally solidified Al-Al₂Au alloys of eutectic and off-eutectic compositions has been investigated over a wide range of growth rates (1.6×10^–4 to 1.66×10^–2cm sec^–1) using a thermal gradient of approximately 80 to 100 lamellar interface || (001)_{Al 2 Au} || (01 1) _Al [ 1 1 0 ]_{Al 2 Au} || [ 1 0 0 ] _Al growth direction of lamellae and rods || [ 1 1 0 ]_{Al2 Au} || [ 1 0 0 ]_Al begin{gathered} lamellar interface left| {(001)_{Al_{ 2} Au} } right.left| {(01 1)} right._{Al} hfill left[ {1 1 0} right]_{Al_{ 2} Au} left| {left[ {1 0 0} right]} right._{Al} hfill growth direction of hfill lamellae and rods left| {left[ {1 1 0} right]_{Al_2 Au} left| {left[ {1 0 0} right]_{Al} } right.} right. hfill end{gathered}