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Preparation of Tungsten Boride Powder by High-Temperature Solid-State Reaction
Alternative TitlePreparation of Tungsten Boride Powder by High-Temperature Solid-State Reaction
Cao Xiaozhou1; Xue Xiangxin1; Yang He1; Li Haitao2; Wang Huiying1; Shi Lihan1
2014
Source PublicationRARE METAL MATERIALS AND ENGINEERING
ISSN1002-185X
Volume43Issue:8Pages:1987-1990
AbstractThrough a solid-state reaction, tungsten borides were synthesized from boron and tungsten powders under vacuum in a graphite element furnace. In particular, the effects of B/W mole ratio, the temperature and the holding time on the products were investigated. The phase composition and morphology of the product were further analyzed by XRD and SEM, respectively. The result shows that the main products are WB and WB2 when the B/W ratio is controlled to be 2; however, when the ratio is increased to 2.5 above 1400 degrees C WB2 of high purity can be obtained. With the B/W ratio more than 4 the main products are mixed by both WB2 and WB4. The relative content of WB4 is increased with prolonging the annealing time. The model of WB4 formation process has been discussed.
KeywordCRYSTALS tungsten boride solid-state reaction microstructure
Indexed ByCSCD
Language英语
CSCD IDCSCD:5234870
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/146588
Collection中国科学院金属研究所
Affiliation1.东北大学
2.中国科学院金属研究所
Recommended Citation
GB/T 7714
Cao Xiaozhou,Xue Xiangxin,Yang He,et al. Preparation of Tungsten Boride Powder by High-Temperature Solid-State Reaction[J]. RARE METAL MATERIALS AND ENGINEERING,2014,43(8):1987-1990.
APA Cao Xiaozhou,Xue Xiangxin,Yang He,Li Haitao,Wang Huiying,&Shi Lihan.(2014).Preparation of Tungsten Boride Powder by High-Temperature Solid-State Reaction.RARE METAL MATERIALS AND ENGINEERING,43(8),1987-1990.
MLA Cao Xiaozhou,et al."Preparation of Tungsten Boride Powder by High-Temperature Solid-State Reaction".RARE METAL MATERIALS AND ENGINEERING 43.8(2014):1987-1990.
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