Processing by high-


colonies of the gamma and alpha-
Properties of the Ti-
State and dimensions of the billets | Structural features | Microhardness after HPT processing,MPa | Microhardness after annealing at a temperature of 800оС, MPa |
UFG, diameter 20 mm, thickness 1 mm | Average grain size 250 nm, colonies of lamellae with an interlamellar distance of 100- |
5000 | 5000 |
Micro- |
Grains with an average grain size of 30 µm, consisting of alternating lamellae of the gamma and alpha- |
3500 | 3500 |
Main publications:
1. R.K. Islamgaliev, M.A. Nikitina, V.D. Sitdikov. Thermal stability of TiAl-
2. A.N.Tyumentsev, M.V.Tret’yak, Yu.P.Pinzhin, A.D.Korotaev, R.Z.Valiev, R.K.Islamgaliev, A.V.Korznikov. Evolution of defect substructure in the Ni3Al alloy in the course of severe plastic deformation by torsion under pressure. The Physics of Metals and Metalloraphy. 90, 5 (2000) 461-
3. R.K. Islamgaliev, R.Z. Valiev, R.S. Mishra, A.K. Mukherjee. Enhanced superplastic properties in bulk metastable nanostructured alloys. Mat. Sci. Eng. 304-