Flash sintering of yttria-stabilized zirconia: Fundamental understanding and applications

Ke Ren; Jinling Liu; Yiguang Wang

doi:10.1016/j.scriptamat.2020.06.040

Flash sintering of yttria-stabilized zirconia: Fundamental understanding and applications

Ke Ren, Jinling Liu, Yiguang Wang^*

^*Corresponding author for this work

Institute of Advanced Structure Technology

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

56 Citations (Scopus)

Abstract

Flash sintering has emerged as a promising opportunity for ceramic sintering, synthesis and processing. However, three basic questions about flash sintering remain unanswered: what triggers the flash during Stage I? what causes rapid densification during Stage II? How does the microstructure evolve during Stage III? In general, the mechanism of flash sintering is explained by Joule heating and non-equilibrium defect evolution. Herein, the recent findings and status of scientific understanding regarding the mechanism of flash sintering are critically reviewed by taking the example of yttria-stabilized zirconia. Moreover, the potential applications of flash sintering in ceramic synthesis and processing are presented.

Original language	English
Pages (from-to)	371-378
Number of pages	8
Journal	Scripta Materialia
Volume	187
DOIs	https://doi.org/10.1016/j.scriptamat.2020.06.040
Publication status	Published - Oct 2020

Keywords

Defects
Flash sintering applications
Flash sintering mechanism
Joule heating
Yttria-stabilized zirconia (YSZ)

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10.1016/j.scriptamat.2020.06.040

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abstract = "Flash sintering has emerged as a promising opportunity for ceramic sintering, synthesis and processing. However, three basic questions about flash sintering remain unanswered: what triggers the flash during Stage I? what causes rapid densification during Stage II? How does the microstructure evolve during Stage III? In general, the mechanism of flash sintering is explained by Joule heating and non-equilibrium defect evolution. Herein, the recent findings and status of scientific understanding regarding the mechanism of flash sintering are critically reviewed by taking the example of yttria-stabilized zirconia. Moreover, the potential applications of flash sintering in ceramic synthesis and processing are presented.",

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author = "Ke Ren and Jinling Liu and Yiguang Wang",

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year = "2020",

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doi = "10.1016/j.scriptamat.2020.06.040",

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AU - Liu, Jinling

AU - Wang, Yiguang

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Y1 - 2020/10

N2 - Flash sintering has emerged as a promising opportunity for ceramic sintering, synthesis and processing. However, three basic questions about flash sintering remain unanswered: what triggers the flash during Stage I? what causes rapid densification during Stage II? How does the microstructure evolve during Stage III? In general, the mechanism of flash sintering is explained by Joule heating and non-equilibrium defect evolution. Herein, the recent findings and status of scientific understanding regarding the mechanism of flash sintering are critically reviewed by taking the example of yttria-stabilized zirconia. Moreover, the potential applications of flash sintering in ceramic synthesis and processing are presented.

AB - Flash sintering has emerged as a promising opportunity for ceramic sintering, synthesis and processing. However, three basic questions about flash sintering remain unanswered: what triggers the flash during Stage I? what causes rapid densification during Stage II? How does the microstructure evolve during Stage III? In general, the mechanism of flash sintering is explained by Joule heating and non-equilibrium defect evolution. Herein, the recent findings and status of scientific understanding regarding the mechanism of flash sintering are critically reviewed by taking the example of yttria-stabilized zirconia. Moreover, the potential applications of flash sintering in ceramic synthesis and processing are presented.

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KW - Flash sintering mechanism

KW - Joule heating

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JO - Scripta Materialia

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Flash sintering of yttria-stabilized zirconia: Fundamental understanding and applications

Abstract

Keywords

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