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Optimization of Production Process for High-Purity Melted Niobium Metal AITranslate

ZOU Lin-yan; WANG Cai-ming
Guangdong Rising Rare Metals-EO Materials Co.,Ltd.;Guangdong Rising Rare Metals-EO Materials Co.,Ltd.
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Publisher: Editorial Office of Rare Metals and Cemented Carbides
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Abstract AITranslate

High-purity niobium metal was prepared by aluminothermic reduction-double electron beam melting,and the production process conditions were optimized to increase niobium recovery rate,save production costs and improve production efficiency.The results show that the recovery rate of niobium is relatively high under the following conditions:excess aluminum ratio of 8%~11%,slagging agent(80%CaO+20%CaF2)dosage of 4%relative to the added aluminum mass,melting power of 250 kW,melting speed of 90~100 kg/h and melting vacuum level of≤10-2Pa.And the quality of melted niobium products meets the NT-3 grade requirements of YS/T 1547—2022 standard.

KeyWords AITranslate

high-purity niobium metal recovery rate niobium-aluminum alloy aluminothermic reduction electron beam melting process optimization
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DOI：

Chinese Library Classification Number:TF841.6[冶金工程]

Citation Information:

High-purity niobium metal was prepared by aluminothermic reduction-double electron beam melting,and the production process conditions were optimized to increase niobium recovery rate,save production costs and improve production efficiency.The results show that the recovery rate of niobium is relatively high under the following conditions:excess aluminum ratio of 8%~11%,slagging agent(80%CaO+20%CaF2)dosage of 4%relative to the added aluminum mass,melting power of 250 kW,melting speed of 90~100 kg/h and melting vacuum level of≤10-2Pa.And the quality of melted niobium products meets the NT-3 grade requirements of YS/T 1547—2022 standard.

quote

GB/T 7714-2015 [1] ZOU Lin-yan, WANG Cai-ming. Optimization of Production Process for High-Purity Melted Niobium Metal[J]. Rare Metals and Cemented Carbides, 2025(3): 14-17.
MLA [1] ZOU Lin-yan, and WANG Cai-ming. "Optimization of Production Process for High-Purity Melted Niobium Metal." Rare Metals and Cemented Carbides, no. 3, 2025, pp. 14-17.
APA [1] ZOU Lin-yan, & WANG Cai-ming. (2025). Optimization of Production Process for High-Purity Melted Niobium Metal. Rare Metals and Cemented Carbides(3), 14-17.
IEEE [1] ZOU Lin-yan and WANG Cai-ming, "Optimization of Production Process for High-Purity Melted Niobium Metal," Rare Metals and Cemented Carbides, no. 3, pp. 14-17, 2025. keywords: {high-purity niobium metal;recovery rate;niobium-aluminum alloy;aluminothermic reduction;electron beam melting;process optimization}