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- Title
INVESTIGATION OF THE EFFECT OF COMBINED THERMOMECHANICAL PROCESSING ON THE BRASS MICROSTRUCTURE EVOLUTION AND THE MICROHARDNESS CHANGE.
- Authors
NAIZABEKOV, A.; LEZHNEV, S.; VOLOKITINA, I.; PANIN, E.; TOLKUSHKIN, A.; BELSKY, S.; PISHCHOV, M.
- Abstract
The article investigates the effect of combined thermomechanical processing, including pre-heat treatment and radial-shear rolling on the brass microstructure evolution and the microhardness change. The microstructure analysis of heat-treated samples according to various modes showed that the most optimal heat treatment before radialshear rolling for L63 brass is annealing at a temperature of 500 °C. As a result of combined thermomechanical processing, a gradient structure was obtained, so in the resulting rods with a diameter of 16 mm in the surface layer, a structure with an average grain size of 9 μm was obtained. In rods with a diameter of 12 mm, a fine--grained, equalgrained structure of 3 µm was obtained in the surface layer.
- Subjects
HEAT treatment; MICROHARDNESS; MICROSTRUCTURE; GRAIN size; BRASS
- Publication
Metalurgija, 2024, Vol 63, Issue 2, p283
- ISSN
0543-5846
- Publication type
Article