Abstract
The characterization of the elastic properties of whole Bi2223/Ag/Ag alloy composite tapes is a very important issue, even when these properties of each constituent are known. In this paper, the generalized self-consistent approach is used for predicting the elastic properties of inner core (Bi2223 filaments combined with Ag matrix), and the mixture rule for those of the whole composite tape (the inner core sheathed with Ag alloy). Compared with the simple estimation of the mixture rule, the prediction of the generalized self-consistent approach is not only physically rational, but also is much more accurate. Further, the theoretical prediction agreed well with the measured data. Hopefully, the generalized self-consistent approach can be adopted to predict the elastic properties of other superconducting composite structures.
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Acknowledgements
This work was supported by the Fund of the National Science Foundation of China (No. 10972071), Program for New Century Excellent Talents in University, and China Postdoctoral Science Foundation (Special project). The authors gratefully acknowledge this financial support.
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Appendix
Appendix
where η Ag=3−4ν Ag,η Bi=3−4ν Bi.
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Gou, X., Zhou, X.X. Characterization of the Elastic Properties of Bi2223/Ag/Ag Alloy Composite Tapes by the Generalized Self-Consistent Approach. J Supercond Nov Magn 26, 2115–2119 (2013). https://doi.org/10.1007/s10948-012-1898-1
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DOI: https://doi.org/10.1007/s10948-012-1898-1