Low-temperature synthesis of ZrB                         2                          powder from oxides using Na

Haruhiko Morito; Kenjiro Koshiji; Hisanori Yamane

doi:10.1016/j.jascer.2017.10.005

Low-temperature synthesis of ZrB ₂ powder from oxides using Na

Haruhiko Morito, Kenjiro Koshiji, Hisanori Yamane

Tohoku University

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

ZrB ₂ was synthesized by heating a mixture of ZrO ₂ , B ₂ O ₃ , and Na in a molar ratio of 1:1:5 at 873–1273 K. While unreacted ZrO ₂ remained in the sample synthesized at 873 K, single phase ZrB ₂ powders were obtained at temperatures ≥1073 K. The diameters of the ZrB ₂ particles obtained at 1073 and 1273 K were 0.1–20 and 10–100 μm, respectively. Single phase ZrB ₂ was also obtained at 873 K when the starting material was rich in B ₂ O ₃ and Na (ZrO ₂ :B ₂ O ₃ :Na = 1:5:15). This route yielded fine particle aggregates of ZrB ₂ , which were found to be <0.1 μm in size.

Original language	English
Pages (from-to)	479-481
Number of pages	3
Journal	Journal of Asian Ceramic Societies
Volume	5
Issue number	4
DOIs	https://doi.org/10.1016/j.jascer.2017.10.005
Publication status	Published - 2017 Dec

Keywords

Low-temperature synthesis
Powder
Sodium
Zirconium diboride

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10.1016/j.jascer.2017.10.005

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@article{24aa9063d82f48b1adfd19542eb17bab,

title = " Low-temperature synthesis of ZrB 2 powder from oxides using Na ",

abstract = " ZrB 2 was synthesized by heating a mixture of ZrO 2 , B 2 O 3 , and Na in a molar ratio of 1:1:5 at 873–1273 K. While unreacted ZrO 2 remained in the sample synthesized at 873 K, single phase ZrB 2 powders were obtained at temperatures ≥1073 K. The diameters of the ZrB 2 particles obtained at 1073 and 1273 K were 0.1–20 and 10–100 μm, respectively. Single phase ZrB 2 was also obtained at 873 K when the starting material was rich in B 2 O 3 and Na (ZrO 2 :B 2 O 3 :Na = 1:5:15). This route yielded fine particle aggregates of ZrB 2 , which were found to be <0.1 μm in size.",

keywords = "Low-temperature synthesis, Powder, Sodium, Zirconium diboride",

author = "Haruhiko Morito and Kenjiro Koshiji and Hisanori Yamane",

note = "Publisher Copyright: {\textcopyright} 2017 The Ceramic Society of Japan and the Korean Ceramic Society",

year = "2017",

month = dec,

doi = "10.1016/j.jascer.2017.10.005",

language = "English",

volume = "5",

pages = "479--481",

journal = "Journal of Asian Ceramic Societies",

issn = "2187-0764",

publisher = "Taylor and Francis Ltd.",

number = "4",

}

TY - JOUR

T1 - Low-temperature synthesis of ZrB 2 powder from oxides using Na

AU - Morito, Haruhiko

AU - Koshiji, Kenjiro

AU - Yamane, Hisanori

PY - 2017/12

Y1 - 2017/12

N2 - ZrB 2 was synthesized by heating a mixture of ZrO 2 , B 2 O 3 , and Na in a molar ratio of 1:1:5 at 873–1273 K. While unreacted ZrO 2 remained in the sample synthesized at 873 K, single phase ZrB 2 powders were obtained at temperatures ≥1073 K. The diameters of the ZrB 2 particles obtained at 1073 and 1273 K were 0.1–20 and 10–100 μm, respectively. Single phase ZrB 2 was also obtained at 873 K when the starting material was rich in B 2 O 3 and Na (ZrO 2 :B 2 O 3 :Na = 1:5:15). This route yielded fine particle aggregates of ZrB 2 , which were found to be <0.1 μm in size.

AB - ZrB 2 was synthesized by heating a mixture of ZrO 2 , B 2 O 3 , and Na in a molar ratio of 1:1:5 at 873–1273 K. While unreacted ZrO 2 remained in the sample synthesized at 873 K, single phase ZrB 2 powders were obtained at temperatures ≥1073 K. The diameters of the ZrB 2 particles obtained at 1073 and 1273 K were 0.1–20 and 10–100 μm, respectively. Single phase ZrB 2 was also obtained at 873 K when the starting material was rich in B 2 O 3 and Na (ZrO 2 :B 2 O 3 :Na = 1:5:15). This route yielded fine particle aggregates of ZrB 2 , which were found to be <0.1 μm in size.

KW - Low-temperature synthesis

KW - Powder

KW - Sodium

KW - Zirconium diboride

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DO - 10.1016/j.jascer.2017.10.005

M3 - Article

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SN - 2187-0764

VL - 5

SP - 479

EP - 481

JO - Journal of Asian Ceramic Societies

JF - Journal of Asian Ceramic Societies

IS - 4

ER -

Low-temperature synthesis of ZrB ₂ powder from oxides using Na

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Keywords

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