Hot deformation behavior of Cu–0.6Cr–0.03Zr alloy during compression at elevated temperatures

Ding, Zongye; She, Jia; Zhao, Ping; Deng, Meng; Song, Kexing

doi:10.1016/j.msea.2013.01.059

Cited by 44 publications

(16 citation statements)

References 18 publications

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“…Recently many investigations on CueCreZr system alloys mainly focused on the improvement of physical and mechanical properties of the alloys, such as strength and conductivity [14,15], ductility [16], thermal stability [17,18], hot deformation performance [19] and fatigue performance [20]. Based on compression tests on a gleeble 3500 in a wide range of temperatures and strain rates, this paper would investigate hot deformation behavior of Cu-0.36Cr-0.03Zr alloy and establish the physical-based constitutive model to describe the work hardening, dynamic recovery and dynamic softening behavior.…”

Section: Introductionmentioning

confidence: 99%

A physically-based constitutive model for high temperature deformation of Cu-0.36Cr-0.03Zr alloy

Ding

et al. 2015

Journal of Alloys and Compounds

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Section: Introductionmentioning

confidence: 99%

A physically-based constitutive model for high temperature deformation of Cu-0.36Cr-0.03Zr alloy

Ding

et al. 2015

Journal of Alloys and Compounds

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“…The Cu-0.6Cr-0.03Zr alloy used in Ref. [12] has higher contents of Cr and Zr alloying elements than the current Cu-0.4Cr-0.1Zr alloy, and solution strengthening caused by these alloying elements may give rise to higher activation energy. The higher the activation energy Q, the harder the hot deformation of the alloy [20].…”

Section: Activation Energy and Constitutive Equationsmentioning

confidence: 94%

“…6 kJ/mol under the tested conditions. Ding et al [12] studied the Cu-0.6Cr-0.03Zr alloy and found that the dynamic recrystallization developed completely at the hot deformation temperatures of 750 and 850°C. In order to optimize the hot workability of the Cu-Cr-Zr alloy, hot deformation behavior, strain hardening rate and processing maps of the Cu-Cr-Zr alloys were investigated in this study.…”

Section: Introductionmentioning

confidence: 99%

Characterization of the Hot Deformation Behavior of Cu–Cr–Zr Alloy by Processing Maps

Zhang

Sun

Tian

et al. 2016

Acta Metall. Sin. (Engl. Lett.)

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Hot deformation behavior of the Cu-Cr-Zr alloy was investigated using hot compressive tests in the temperature range of 650-850°C and strain rate range of 0.001-10 s -1 . The constitutive equation of the alloy based on the hyperbolic-sine equation was established to characterize the flow stress as a function of strain rate and deformation temperature. The critical conditions for the occurrence of dynamic recrystallization were determined based on the alloy strain hardening rate curves. Based on the dynamic material model, the processing maps at the strains of 0.3, 0.4 and 0.5 were obtained. When the true strain was 0.5, greater power dissipation efficiency was observed at 800-850°C and under 0.001-0.1 s -1 , with the peak efficiency of 47%. The evolution of DRX microstructure strongly depends on the deformation temperature and the strain rate. Based on the processing maps and microstructure evolution, the optimal hot working conditions for the Cu-Cr-Zr alloy are in the temperature range of 800-850°C and the strain rate range of 0.001-0.1 s -1 .

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“…The plastic deformation performance of metals and alloys under high temperature conditions, which has a significant inÀuence on the hot workability, can be expressed by the relationship between Àow stress, strain rate and deformation temperature [5,6]. However, the hot deformation behavior and processing map of Cu-Ag-Zr alloys has not yet been extensively studied, which is a prerequisite for its usage in hot working processes.…”

Section: Introductionmentioning

confidence: 99%

Deformation Behavior and Processing Parameters of Cu-3Ag-0.6Zr Alloy during Compression at Elevated Temperatures

Zhang

Ren

et al. 2016

MATEC Web Conf.

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Abstract. Hot compression tests of the Cu-3Ag-0.6Zr (wt.%) alloy were carried out on a Gleeble-3800 testing machine at various strain rates and at different deformation temperatures. The stress-strain behavior of the alloy during the deformation process are analyzed. The results show that the hot deformation behavior of the Cu-3Ag-0.6Zr alloy is markedly affected by the interaction between the work hardening and the dynamic recrystallization at different strain rates and temperatures. The thermal deformation activation energy is calculated as 248.8384 kJ mol í1 and the hot compression constitutive equation has been established. The processing map of the alloy has also been established. According to the obtained processing map, the preferable domains for hot working are identified at a strain rate of 10 -3 s -1 and at 900-940 K or temperatures higher than 1023 K.

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Hot deformation behavior of Cu–0.6Cr–0.03Zr alloy during compression at elevated temperatures

Cited by 44 publications

References 18 publications

A physically-based constitutive model for high temperature deformation of Cu-0.36Cr-0.03Zr alloy

A physically-based constitutive model for high temperature deformation of Cu-0.36Cr-0.03Zr alloy

Characterization of the Hot Deformation Behavior of Cu–Cr–Zr Alloy by Processing Maps

Deformation Behavior and Processing Parameters of Cu-3Ag-0.6Zr Alloy during Compression at Elevated Temperatures

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