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- W3205495286 endingPage "162284" @default.
- W3205495286 startingPage "162284" @default.
- W3205495286 abstract "The microstructural evolutions and properties variations of a CuCrZrY alloy processed by equal channel angular pressing (ECAP) with different passes were studied systematically. After 4 passes of ECAP, the average grain size was decreased to 500 nm, and the grain size distribution became more uniform during the subsequent processing. After 8 passes ECAP-ed and aged at 400 °C for 7 h, the samples’ tensile strength and electrical conductivity are 560 MPa and 86.4%IACS. The main strengthening mechanisms are precipitation strengthening, low-angle grain boundary strengthening, and high-angle grain boundary strengthening (about 82% in total). Finite element simulation was carried out through ABAQUS to obtain the equivalent strain distribution diagram of ECAP, resulting in that the strain force of the outer region was less than that of the inner one. The inconsistency of deformation leads to the inhomogeneity of microstructure. These findings will effectively guide researchers to develop high-strength high-electrical conductivity copper alloys. • The properties and microstructural evolution of a CuCrZrY alloy after ECAP for different passes were studied systematically. • The main strengthening mechanisms are precipitation strengthening, low-angle grain boundary strengthening and precipitation strengthening. • The CuCrZrY alloy after ECAP showed excellent tensile strength and electrical conductivity. • The strain force of the outer region was less than that of the inner region, and the inconsistency of deformation leads to microstructure inhomogeneity." @default.
- W3205495286 created "2021-10-25" @default.
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- W3205495286 date "2022-02-01" @default.
- W3205495286 modified "2023-09-25" @default.
- W3205495286 title "Effect of equal channel angular pressing on microstructure evolution and properties variations of a CuCrZrY alloy" @default.
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- W3205495286 doi "https://doi.org/10.1016/j.jallcom.2021.162284" @default.
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