Annealing behavior of cryogenically-rolled Cu–30Zn brass

The static-annealing behavior of cryogenically-rolled Cu–30Zn brass over a wide range of temperature (100–900 °C) was established. Between 300 and 400 °C, microstructure and texture evolution were dominated by discontinuous recrystallization. At temperatures of 500 °C and higher, annealing was inter...

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Bibliographic Details
Published in:Journal of alloys and compounds 2015-11, Vol.648, p.858-863
Main Authors: Konkova, T., Mironov, S., Korznikov, A., Korznikova, G., Myshlyaev, M.M., Semiatin, S.L.
Format: Article
Language:English
Subjects:
Annealing
ANNEALING PROCESSES
Boundaries
Brasses
Copper
Grain size
GRAIN SIZE AND SHAPE
Metals and alloys
Microstructure
MICROSTRUCTURES
Nanofabrications
Nanostructured materials
Scanning electron microscopy
Surface layer
Texture
TEXTURES
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Summary:The static-annealing behavior of cryogenically-rolled Cu–30Zn brass over a wide range of temperature (100–900 °C) was established. Between 300 and 400 °C, microstructure and texture evolution were dominated by discontinuous recrystallization. At temperatures of 500 °C and higher, annealing was interpreted in terms of normal grain growth. The recrystallized microstructure developed at 400 °C was ultrafine with a mean grain size of 0.8 μm, fraction of high-angle boundaries of 90 pct., and a weak crystallographic texture. •Recrystallization of cryo-rolled brass produced ultrafine-grained microstructure.•Recrystallization of cryo-rolled brass was discontinuous in nature.•Recrystallization of cryo-rolled brass preferentially occurred in shear bands.
ISSN:0925-8388
1873-4669
DOI:10.1016/j.jallcom.2015.05.287