Preparation of ultra-fine grain W-Y₂O₃ alloy by an improved wet chemical method and two-step spark plasma sintering

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• 作者：Zhi Dong ; Nan Liu ; Zongqing Ma ; ^{mzq0320@163.com} ; Chenxi Liu ; Qianying Guo ; Yongchang Liu
• 关键词：W-Y2O3 ; Wet chemical method ; PVP ; SPS
• 刊名：Journal of Alloys and Compounds
• 出版年：2017
• 出版时间：25 February 2017
• 年：2017
• 卷：695
• 期：Complete
• 页码：2969-2973
• 全文大小：1587 K
• 卷排序：695

文摘

Average tungsten grain size of 10.7 nm was obtained for the powder precursor. Nano Y2O3 particles were uniformly dispersed within tungsten matrix. The Vickers microhardness of sintered W- Y2O3 alloy is up to 1078.31 Hv.