Preparation of High-purity Niobium AITranslate
Abstract AITranslate
The behaviour of various impurity during Nb refiningdiscussed. It is pointed out that liquid/liquid extraction and moltensalt electrolysis refining can effectively remove refractory Ta and Winpurity while electron-beam refining is conventionaly used for ordinarymetal impuri ty and low-melting-point impurity. Ultra-high-vacuum annealing can minimize the content of intetstitial solid-solution impurity,Oneprocess for high-purity Nb preparation is recommended, ie: Nb2O5extracnon→Nb2O5 reduction→electrolytic refining→electron beam refining→zone melting by suspended electron beam→ultra-high vacuum annealing→high-impurity Nb. Three new refining processes are finally described.
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Basic Information:
DOI：
Chinese Library Classification Number:TF841.604[冶金工程—有色金属冶金]
Citation Information:
The behaviour of various impurity during Nb refiningdiscussed. It is pointed out that liquid/liquid extraction and moltensalt electrolysis refining can effectively remove refractory Ta and Winpurity while electron-beam refining is conventionaly used for ordinarymetal impuri ty and low-melting-point impurity. Ultra-high-vacuum annealing can minimize the content of intetstitial solid-solution impurity,Oneprocess for high-purity Nb preparation is recommended, ie: Nb2O5extracnon→Nb2O5 reduction→electrolytic refining→electron beam refining→zone melting by suspended electron beam→ultra-high vacuum annealing→high-impurity Nb. Three new refining processes are finally described.
quote
| GB/T 7714-2015 | [1] SHI Ying-jiang. Preparation of High-purity Niobium[J]. Rare Metals and Cemented Carbides, 1995(1): 41-47. |
| MLA | [1] SHI Ying-jiang. "Preparation of High-purity Niobium." Rare Metals and Cemented Carbides, no. 1, 1995, pp. 41-47. |
| APA | [1] SHI Ying-jiang. (1995). Preparation of High-purity Niobium. Rare Metals and Cemented Carbides(1), 41-47. |
| IEEE | [1] SHI Ying-jiang, "Preparation of High-purity Niobium," Rare Metals and Cemented Carbides, no. 1, pp. 41-47, 1995. keywords: {high-purity Nb. electron-beam refining, zone melting bysuspended electron beam. ultra-high vacuum annealing} |