Abstract
Texture and microstructural examinations of Fe–23%Mn–3%Si–3%Al (mass%) alloy are presented. After casting the ingot was homogenized at 1150 ◦C, hot-rolled in the temperature range 1200 ◦C-900 ◦C and then coldrolled. Steel samples, after 40% deformation, were annealed at 300 ◦C for 10 min, 600 ◦C and 750 ◦C for 30 min. X-ray diffraction and metallographic studies revealed deformation-induced mechanical twinning and phase transformation. The crystallographic Shoji–Nishiyama and Kurdjumov–Sachs relations between martensite (e, α′) and austenite (γ), were found in the cold-rolled material. During annealing the reverse martensite to austenite transformation occurred.
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