Hydrogen reduction of tungsten oxides: Alkali additions, their effect on the metal nucleation process and potassium bronzes under equilibrium conditions

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• 作者：T. Zimmerl^a ; ^{t.zimmerl@wolfram.at} ; W.-D. Schubert^a ; A. Bicherl^b ; A. Bock^b
• 关键词：Reduction ; Tungsten oxide ; Alkali compounds ; Hydrogen ; Nucleation ; Mechanism ; Equilibrium
• 刊名：International Journal of Refractory Metals and Hard Materials
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：62
• 期：part_PB
• 页码：87-96
• 全文大小：3092 K
• 卷排序：62

文摘

Ternary alkali compounds are present throughout the reduction sequence when alkali metals are added. Tungsten bronzes “release” tungsten metal nuclei under comparatively humid reduction conditions. Tungsten bronzes can play a role in industrial production.