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- Title
STUDY OF HOT DEFORMATION BEHAVIOR OF CuFe2 ALLOY.
- Authors
SCHINDLER, I.; SAUER, M.; KAWULOK, P.; RODAK, K.; HADASIK, E.; JABŁOŃSKA, M. BARBARA; RUSZ, S.; ŠEVČÁK, V.
- Abstract
Nil strength temperature of 1062°C and nil ductility temperature of 1040°C were experimentally set for CuFe2 alloy. The highest formability at approx. 1020°C is unusable due to massive grain coarsening. The local minimum of ductility around the temperature 910°C is probably due to minor formation of γ-iron. In the forming temperatures interval 650-950°C and strain rate 0.1-10 s-1 the flow stress curves were obtained and after their analysis hot deformation activation energy of 380 kJ·mol-1 was achieved. Peak stress and corresponding peak strain values were mathematically described with good accuracy by equations depending on Zener-Hollomon parameter.
- Subjects
ACTIVATION energy; ALLOYS; DUCTILITY; STRESS-strain curves; COPPER alloys
- Publication
Archives of Metallurgy & Materials, 2019, Vol 64, Issue 2, p701
- ISSN
1733-3490
- Publication type
Article
- DOI
10.24425/amm.2019.127601