Effect of CaO Doping on the Microstructure of BaZrO3 Refractory Material and its Interfacial Reaction with Titanium-rich Alloys AITranslate
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CaO-doped BaZrO3powder was synthesized with solid-state method at 1 400 ℃ using BaCO3, ZrO2 and CaO powders as the starting materials.And then CaO-doped BaZrO3 ceramic sheet was prepared by cold isostatic pressing and solid-state sintering at 1 750℃ for 6h.The titanium-rich alloy Ti3Ni was melted on the ceramic sheet by vacuum induction melting.The effect was investigated of CaO dosage on the microstructure of CaO-doped BaZrO3 ceramic sheet and its interfacial reaction with Ti3Ni alloy.The results reveal that part of CaO is dissolved in the BaZrO3 lattice to form Ba1-xCaxZrO3,and the remaining CaO is uniformly distributed in the Ba1-xCaxZrO3 matrix.The increase of CaO dosage results in the increase of the particle sizes of Ba1-xCaxZrO3 matrix and CaO.When CaO dosage(molar fraction)is 15%and 20%,the thickness of the etched layer of the ceramic sheet by Ti3Ni melt is about 32μm and 11μm,respectively.The crystal structure of BaZrO3is modified by CaO doping,and its thermodynamic stability is also improved, which conducive to the application of BaZrO3 refractory material in the field of active metal smelting.
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Basic Information:
DOI：
Chinese Library Classification Number:TQ175.71[化学工程—硅酸盐工业]
Citation Information:
CaO-doped BaZrO3powder was synthesized with solid-state method at 1 400 ℃ using BaCO3, ZrO2 and CaO powders as the starting materials.And then CaO-doped BaZrO3 ceramic sheet was prepared by cold isostatic pressing and solid-state sintering at 1 750℃ for 6h.The titanium-rich alloy Ti3Ni was melted on the ceramic sheet by vacuum induction melting.The effect was investigated of CaO dosage on the microstructure of CaO-doped BaZrO3 ceramic sheet and its interfacial reaction with Ti3Ni alloy.The results reveal that part of CaO is dissolved in the BaZrO3 lattice to form Ba1-xCaxZrO3,and the remaining CaO is uniformly distributed in the Ba1-xCaxZrO3 matrix.The increase of CaO dosage results in the increase of the particle sizes of Ba1-xCaxZrO3 matrix and CaO.When CaO dosage(molar fraction)is 15%and 20%,the thickness of the etched layer of the ceramic sheet by Ti3Ni melt is about 32μm and 11μm,respectively.The crystal structure of BaZrO3is modified by CaO doping,and its thermodynamic stability is also improved, which conducive to the application of BaZrO3 refractory material in the field of active metal smelting.
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| GB/T 7714-2015 | [1] CHEN Guang-yao, LAN Bao-bao, KANG Ju-yun, et al. Effect of CaO Doping on the Microstructure of BaZrO3 Refractory Material and its Interfacial Reaction with Titanium-rich Alloys[J]. Rare Metals and Cemented Carbides, 2018(6): 63-69. |
| MLA | [1] CHEN Guang-yao, et al., "Effect of CaO Doping on the Microstructure of BaZrO3 Refractory Material and its Interfacial Reaction with Titanium-rich Alloys." Rare Metals and Cemented Carbides, no. 6, 2018, pp. 63-69. |
| APA | [1] CHEN Guang-yao, LAN Bao-bao, KANG Ju-yun, LI Bao-tong, QIN Zi-wei, LU Xiong-gang, & LI Chong-he. (2018). Effect of CaO Doping on the Microstructure of BaZrO3 Refractory Material and its Interfacial Reaction with Titanium-rich Alloys. Rare Metals and Cemented Carbides(6), 63-69. |
| IEEE | [1] CHEN Guang-yao, LAN Bao-bao, KANG Ju-yun, LI Bao-tong, QIN Zi-wei, LU Xiong-gang, and LI Chong-he, "Effect of CaO Doping on the Microstructure of BaZrO3 Refractory Material and its Interfacial Reaction with Titanium-rich Alloys," Rare Metals and Cemented Carbides, no. 6, pp. 63-69, 2018. keywords: {BaZrO3 refractory material;CaO doping;titanium-rich alloy;Ti3Ni;microstructure;interfacial reaction} |