Abstract
Using the solid reaction method, the Y2O3 4mol%-doped BaZrO3 powder was prepared by BaCO3, ZrO2 and Y2O3 as raw materials, the effect of sintering temperature on the property and microstructure of Y2O3-doped BaZrO3 pellets was investigated, the crucible made of this Y2O3-doped BaZrO3 was utilized to melting the TiNi alloy by the vacuum induction method. The phase constitution of doped powder and the interface reaction between the crucible and the melt were studied by XRD and SEM. The results showed that this Y2O3-doped BaZrO3 consists of two phase (BaZrO3 and Ba2YZrO6), the pellets sintered at 1750°C for 6h reached the maximum relative density of 98.0%. Besides, there was no obvious interaction layer and element diffusion between the crucible and the melt, which may imply that the Y2O3-doped BaZrO3 refractory is a promising candidate for melting titanium alloys.
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Zhiwei, C., Fanlong, M., Guangyao, C., Zheng, L., Xionggang, L., Chonghe, L. (2016). Interface Reaction Between Y2O3 Doped BaZrO3 and TiNi Melt. In: Ikhmayies, S.J., et al. Characterization of Minerals, Metals, and Materials 2016. Springer, Cham. https://doi.org/10.1007/978-3-319-48210-1_93
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DOI: https://doi.org/10.1007/978-3-319-48210-1_93
Publisher Name: Springer, Cham
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