Abstract
In this work, the effect of nano-CaCO3 additive on the sinter-ability of Y-doped BaZrO3 refractory and its interaction with Ti2Ni alloys was studied. The results showed that no second phase was observed in the Y-doped BaZrO3 refractory with nano-CaCO3 additive after sintering at 1750 ℃ for 6 h. The nano-CaZrO3 promoted the densification and the growth of grains of Y-doped BaZrO3 refractory. The relative density of Y-doped BaZrO3 refractory with nano-CaCO3 addition was about 97.5%. The melting experiment of Ti2Ni alloys was performed in the Y-doped BaZrO3 crucible with nano-CaCO3 additive at 1650 ℃ for 5 min, 10 min, and 15 min, respectively. Interaction analysis indicated that the thickness of the erosion layer was 2635 um, 3090 um, and 3689 um, respectively; and the content of oxygen was 0.412 wt%, 0.584 wt%, and 1.140 wt%, respectively.
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Acknowledgements
The authors thank the National Natural Science Foundation of China-CHINA BAOWU STEEL GROUP Joint research fund for iron and steel (No.: U1860203,U1860108); National Natural Science Foundation of China (No.: U1760109); Scientific research innovation project of Shanghai education commission (No.:15ZS030).
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Lan, B., Shihua, W., Xiao, Y., Lu, X., Chen, G., Li, C. (2020). Sintering Ability of Y-Doped BaZrO3 Refractory with Nano-CaCO3 and the Interaction with Ti2Ni Alloys. In: Li, B., et al. Advances in Powder and Ceramic Materials Science. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-36552-3_14
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