Sintering Ability of Y-Doped BaZrO3 Refractory with Nano-CaCO3 and the Interaction with Ti2Ni Alloys

  • Baobao Lan
  • Wang Shihua
  • Yubin Xiao
  • Xionggang Lu
  • Guangyao ChenEmail author
  • Chonghe LiEmail author
Conference paper
Part of the The Minerals, Metals & Materials Series book series (MMMS)


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.


Y-doped BaZrO3 Ti2Ni Interface reaction 



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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© The Minerals, Metals & Materials Society 2020

Authors and Affiliations

  1. 1.State Key Laboratory of Advanced Special Steel, Shanghai Key Laboratory of Advanced Ferro Metallurgy, School of Materials Science and EngineeringShanghai UniversityShanghaiChina
  2. 2.Shanghai Special Casting Engineering Technology Research CenterShanghaiChina
  3. 3.Shanghai UniversityShanghaiChina

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