ALLOYS OF IRON AND REVERSIBILITY OF MARTENSITIC TRANSFORMATIONS

E. Hornbogen , N. Jost

The origin of irreversibility, reversibility, course and completeness of martensitic transformations are discussed using the following alloys of iron as examples : 1. Irreversible transformation : Fe–C, Fe–Ni–C, maraging steel 2. Reversibility in homogeneous solid solutions : Fe–Ni, Fe–Ni–C, Fe–Mn 3. Reversibility due to order or coherent particles : Fe–Pt, Fe–Ni–X, Fe–Ni–Co-Ti 4. Effects of external stress and mechanical properties on Ms 5. Effects of external magnetic fields and magnetism/antiferromagnetism in austenite. The feasibility of shape memory steels is finally discussed.

Domaines: Articles anciens

E. Hornbogen, N. Jost. ALLOYS OF IRON AND REVERSIBILITY OF MARTENSITIC TRANSFORMATIONS. Journal de Physique IV Proceedings, 1991, 01 (C4), pp.C4-199-C4-210. ⟨10.1051/jp4:1991430⟩. ⟨jpa-00250578⟩