High temperature uniaxial compression tests in the alpha single phase region were carried out on the Ti 43 molAl intermetallic compound in order to obtain oriented lamellar microstructure. The compression deformation temperatures and strain rates were from 1573 to 1623 K and 1.0×10 -4 to 5.0×10 -3 s -1 , respectively. Fully lamellar microstructures were observed after uniaxial compression deformation in the a single phase region followed by cooling to room temperature. The lamellar colony diameter depended on strain rate and test temperature. The diameter varied between 860 mm and a 300 mm. Stress strain curves showed work softening and the size of lamellar colony diameter varied depending on peak stresses. This suggests the occurrence of dynamic recrystallization. Texture measurements after uniaxial compression deformation showed the development of fiber texture during dynamic recrystallization. It is seen that the maximum pole density existed in 35 degrees away from the compression plane. The texture sharpens with the decrease in strain rate.
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