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ZrB2 powders with low oxygen content: Synthesis and characterization
Bai, Liuyang1; Ni, Shouliang2; Jin, Huacheng1; He, Jiaping1; Ouyang, Yuge1; Yuan, Fangli1

A two-step reduction route is proposed for well-dispersed submicrometer ZrB2 powder synthesis with low oxygen content. The second synthesis step can reduce the oxygen content apparently, whereas presents minor adverse effects on particle size and dispersion of ZrB2 powders. The samples were mainly characterized by an oxygen-nitrogen analyzer and X-ray diffractometer (XRD). It can be determined that the adsorbed oxygen constitutes a low proportion of total oxygen content based on the release profile of oxygen and nitrogen contents. Besides, the oxygen content calculated based on XRD characterization is significantly lower than the total oxygen content measured by impulse-thermal conductivity. Furthermore, the lattice constants were determined according to XRD patterns as being higher than the calculated theoretical values based on the First-Principles, indicating that a portion of oxygen remains in ZrB2 powders in the form of interstitial impurity atoms.

KeywordBorides Oxides Particle Size Zirconium/zirconium Compounds
WOS HeadingsScience & Technology ; Technology
Indexed BySCI
WOS KeywordZirconium Diboride ; Densification ; Composites ; Parameters ; Zro2
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Ceramics
WOS IDWOS:000424816400026
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Document Type期刊论文
Affiliation1.Chinese Acad Sci, State Key Lab Multiphase Complex Syst, Inst Proc Engn, Beijing, Peoples R China
2.Beijing Micro Struct Analyt Lab, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Bai, Liuyang,Ni, Shouliang,Jin, Huacheng,et al. ZrB2 powders with low oxygen content: Synthesis and characterization[J]. INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY,2018,15(2):508-513.
APA Bai, Liuyang,Ni, Shouliang,Jin, Huacheng,He, Jiaping,Ouyang, Yuge,&Yuan, Fangli.(2018).ZrB2 powders with low oxygen content: Synthesis and characterization.INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY,15(2),508-513.
MLA Bai, Liuyang,et al."ZrB2 powders with low oxygen content: Synthesis and characterization".INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY 15.2(2018):508-513.
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