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説明:

Flash Spark Plasma Sintering (FSPS) that combines flash sintering and electric field assisted sintering was used to densify SiC ceramics. FSPS was compared with ‘conventional’ SPS which used a moderate 100 °C·min－1 heating rates. Dense SiC specimens were obtained despite being at temperature of 1850–2050 °C for few seconds. FSPS lead to generation of hot-spots and thus caused localized exaggerated grain-growth. This allows producing silicon carbide ceramics with bimodal grain size distribution. Analysis of microstructure and strength of silicon carbide ceramics consolidated using flash heating allowed proposing several optimization routes of the FSPS process.

権利情報:

• Creative Commons BY-NC-ND Attribution-NonCommercial-NoDerivs 4.0 International
  

キーワード: flash sintering, spark plasma sintering, carbon diffusion, silicon carbide, strength

刊行年月日: 2016-08-30

出版者: Elsevier BV

掲載誌:

• Journal of Alloys and Compounds (ISSN: 09258388) vol. 691 p. 466-473

研究助成金:

• NIMS AB3080

原稿種別: 著者最終稿 (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.5505

公開URL: https://doi.org/10.1016/j.jallcom.2016.08.234

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更新時刻: 2025-05-26 11:06:45 +0900

MDRでの公開時刻: 2025-05-26 12:23:49 +0900