| Title |
Texture Change in σ' - γ Transformation of Fe - 15Mn - 5Cr - 5Co - 3Si Alloy |
| Authors |
지광구(K . K . Jee); 장우양(W . Y . Jang); 신명철(M . C . Shin) |
| Abstract |
The texture change accompanied by α`→γ transformation has been studied in Fe-15Mn-5Cr5Co-3Si alloy. After hot rolling, the alloy was composed mainly of γ phase with a small amount of ε martensite formed during cooling. The γ phase, by cold rolling, transformed into εwhich later transformed to α` martensite by further deformation. After 75% cold rolling, the γ phase has completely transformed to α` with the texture of (010) α` [101￣]α` and (11￣2)α` [110]α` orientations. By the heat-treatment at 630℃ for 1hr, the stress-induced α` martensite was completely transformed into γ, forming the texture of (011) γ [(21)￣1] γ and (11￣0) γ [001] γ orientations. The change in the texture was explained by the orientation relationship of [110] α`∥ [001]γ and (111)α`∥(110) γ. The yield stress in rolling direction was 100 ㎫ lower than that of transverse direction, which was attributed to the texture in γ phase. |