Study of heating conditions to fabricate Bi-layered compound Bi4V2011

Tatsuhiro Shigyo; Junichi Takahashi; Shiro Shimada; Masami Kishi; Hidenobu Itoh

doi:10.14853/pcersj.2002F.0.283.0

15th Fall Meeting of The Ceramic Society of Japan

DOI https://doi.org/10.14853/pcersj.2002F.0.283.0

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Host: The Ceramic Society of Japan

Study of heating conditions to fabricate Bi-layered compound Bi₄V₂0₁₁

Tatsuhiro Shigyo, Junichi Takahashi, Shiro Shimada, Masami Kishi, Hidenobu Itoh

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Keywords: bismuth vanadate, sintering, heating condition, phase formation, bismuth/vanadium ratio

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Pages 283

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Abstract

Bi₄V₂0₁₁(B₄V) ceramics were fabricated from coprecipitated precursor powders with different Bi/V ratios under various heating conditions. XRD results showed the B₄V phase was synthesized via the reaction between BiV0₄(B₁V) and Bi₂0₃. Solid phases formed during sintering were examined along the sample depth. Inner regions of the sintered samples consisted of mixtures of B₄V, B₁V and Bi₂0₃. The formation of the intended B₄V phase was obtained only on the outer surface of the samples containing an excess amount of the Bi component.

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