Microstructure and hot deformation behavior of the Cu-1Ni-0.9Sn-0.5Ti-0.3Cr alloy

Cu–Ti–Ni–Mg and Cu–Ti–Ni–Mg–Ce alloys are prepared by vacuum induction melting. The hot deformation tests of the two alloys are carried out on the Gleeble‐1500 simulator under the deformation temperatures of 550–950 °C and strain rates of 0.001–10 s−1. The true stress–strain curves of the two alloys are obtained and the constitutive equations are established. The activation energy of the Cu–Ti–Ni–Mg alloy is 344.02 kJ mol−1, and the activation energy of the Cu–Ti–Ni–Mg–Ce alloy is 389.87 kJ mol−1. Based on the processing maps, the optimal processing parameters of the two alloys are obtained. The microstructure of the two alloys is analyzed by electron backscatter diffraction (EBSD) and transmission electron microscopy (TEM). The addition of Ce reduces the dislocation density and texture strength. The CuNi2Ti precipitates are found in both alloys, and there are more precipitates in the Cu–Ti–Ni–Mg–Ce alloys. The addition of Ce increases the flow stress and activation energy, promotes precipitation, and improves the deformation resistance of the alloys.

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Ce Effects on Deformation‐Induced Microstructure Evolution in Cu–Ti–Ni–Mg Alloys

Zhang

Zhou

Zhang

et al. 2023

Adv Eng Mater

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Effects of Trace La on the Aging Properties of the Cu-Ti-Zr Alloys

Wang,

Zhou,

Tian

et al. 2024

J. of Materi Eng and Perform

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Research on hot deformation behavior of Cu-Ti alloy based on machine learning algorithms and microalloying

Zhang,

Chen,

Liu

et al. 2024

Materials Today Communications

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Microstructure and hot deformation behavior of the Cu-1Ni-0.9Sn-0.5Ti-0.3Cr alloy

Cited by 3 publications

References 53 publications

Ce Effects on Deformation‐Induced Microstructure Evolution in Cu–Ti–Ni–Mg Alloys

Ce Effects on Deformation‐Induced Microstructure Evolution in Cu–Ti–Ni–Mg Alloys

Effects of Trace La on the Aging Properties of the Cu-Ti-Zr Alloys

Research on hot deformation behavior of Cu-Ti alloy based on machine learning algorithms and microalloying

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