Abstract
The tensile properties and microstructure evolution of Cu–0.2Cr–0.08Zr alloy during high temperature tensile process were investigated. The results showed that with the test temperature increasing, both strength and elongation decreases slowly, the addition of Zr can improve the high temperature properties due to the small precipitates in the matrix. The high temperature fracture mechanism of this alloy was ductile fracture. With the test temperature increasing, the reduction of area decreased, less shallow dimples and more large voids can be observed on the fracture surface of sample.
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Acknowledgements
This work was financially supported by National Key Research and Development Program of China (No. 2016YFB0301400) and the technological innovation 2025 and Major special project of NingBo (No. 2018B10030 and 2019B10088). The authors gratefully acknowledge the assistance of persons who dedicated themselves to this paper.
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Zhang, W. et al. (2021). Microstructure and Mechanical Properties of CuCrZr Alloy at High Temperature. In: Zheng, L., Sun, C., Goh, KL. (eds) Proceedings of MEACM 2020. MEACM 2020. Mechanisms and Machine Science, vol 99. Springer, Cham. https://doi.org/10.1007/978-3-030-67958-3_40
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DOI: https://doi.org/10.1007/978-3-030-67958-3_40
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