Open AccessTexture and mechanical properties of Cu alloy by cryogenic high-speed rolling
Author(s) -
Sang Min Lee,
R. Muchime,
Ryo Matsumoto,
Hiroshi Utsunomiya
Publication year - 2021
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/1121/1/012009
Subject(s) - brass , materials science , crystal twinning , liquid nitrogen , copper , alloy , slip (aerodynamics) , metallurgy , deformation (meteorology) , texture (cosmology) , dislocation , composite material , shear (geology) , microstructure , thermodynamics , physics , image (mathematics) , quantum mechanics , artificial intelligence , computer science
Cryogenic high-speed rolling (CHSR), where the sheet cooled in liquid nitrogen is supplied to rolls rotating at 1500 m/min at room temperature, was applied to several Cu alloys. After the CHSR, mechanical strength was improved with texture transition from the ‘copper-type’ to the ‘brass-type’ components. This trend was clearly observed in the case of Cu alloys with intermediate SFE. It is considered that the deformation mode changed from the dislocation slip to deformation twinning and shear banding under high Z parameter conditions of CHSR. It is also found that CHSR can improve the strength of Cu alloys with less decrease in electrical conductivity.