Abstract
For predicting solidification cracking by thermal stress analysis, the mechanical properties in the partially solidified state based on the experimental results are the best hope. However, the Young’s modulus has never been investigated for copper alloys. In this study, stress–strain curves of a Cu-Zn alloy in the partially solidified state for various solid fractions were obtained using a specially developed horizontal tensile test device. Furthermore, by removing the load during the tensile test, the spring-back (elastic behavior) was observed and the Young’s modulus was obtained.
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Acknowledgments
The authors are very thankful to all who supported this study. Practical support from Tsuneo Toyoda of Waseda Univ. (experimental equipment) and technical cooperation by Genjiro Hagino of Yamatogokin Co. and Dr. Hiroshi Kambe of Nissan Motor Co. (melting and casting techniques) are gratefully acknowledged.
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Manuscript submitted June 10, 2015.
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Kasuya, N., Nakazawa, T., Matsushita, A. et al. Mechanical Properties of a Partially Solidified Cu-Zn Alloy. Metall Mater Trans A 47, 1661–1667 (2016). https://doi.org/10.1007/s11661-016-3353-6
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DOI: https://doi.org/10.1007/s11661-016-3353-6