Effects of post heat-treatment on the microstructure and fracture behaviors of Yb2O3-doped Si3N4

Jow Lay Huang; Zan Hon Shih; Horng Hwa Lu; Ching Yun Chen

doi:10.1016/S0254-0584(99)00199-6

Effects of post heat-treatment on the microstructure and fracture behaviors of Yb₂O₃-doped Si₃N₄

Jow Lay Huang, Zan Hon Shih, Horng Hwa Lu, Ching Yun Chen

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

14 Citations (Scopus)

Abstract

Silicon nitrides containing various compositions of Yb₂O₃ were investigated. The effects of post heat-treatment on the microstructure, grain boundary phases and high temperature strength were studied. The average grain size, and Yb:Si ratio in the amorphous pocket increased with the amount of Yb₂O₃ additives. The high temperature strength was substantially increased after post heat-treatment. This was attributed to the crystallized grain boundary phases post heat-treatment.

Original language	English
Pages (from-to)	116-121
Number of pages	6
Journal	Materials Chemistry and Physics
Volume	63
Issue number	2
DOIs	https://doi.org/10.1016/S0254-0584(99)00199-6
Publication status	Published - 2000 Feb 28

All Science Journal Classification (ASJC) codes

Materials Science(all)
Condensed Matter Physics

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title = "Effects of post heat-treatment on the microstructure and fracture behaviors of Yb2O3-doped Si3N4 ",

abstract = "Silicon nitrides containing various compositions of Yb2O3 were investigated. The effects of post heat-treatment on the microstructure, grain boundary phases and high temperature strength were studied. The average grain size, and Yb:Si ratio in the amorphous pocket increased with the amount of Yb2O3 additives. The high temperature strength was substantially increased after post heat-treatment. This was attributed to the crystallized grain boundary phases post heat-treatment.",

author = "Huang, {Jow Lay} and Shih, {Zan Hon} and Lu, {Horng Hwa} and Chen, {Ching Yun}",

note = "Funding Information: The authors would like to thank the National Science Council of the ROC for its financial support under the contract no. NSC86-2216-E006-039. Copyright: Copyright 2017 Elsevier B.V., All rights reserved.",

year = "2000",

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doi = "10.1016/S0254-0584(99)00199-6",

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T1 - Effects of post heat-treatment on the microstructure and fracture behaviors of Yb2O3-doped Si3N4

AU - Huang, Jow Lay

AU - Shih, Zan Hon

AU - Lu, Horng Hwa

AU - Chen, Ching Yun

N1 - Funding Information: The authors would like to thank the National Science Council of the ROC for its financial support under the contract no. NSC86-2216-E006-039. Copyright: Copyright 2017 Elsevier B.V., All rights reserved.

PY - 2000/2/28

Y1 - 2000/2/28

N2 - Silicon nitrides containing various compositions of Yb2O3 were investigated. The effects of post heat-treatment on the microstructure, grain boundary phases and high temperature strength were studied. The average grain size, and Yb:Si ratio in the amorphous pocket increased with the amount of Yb2O3 additives. The high temperature strength was substantially increased after post heat-treatment. This was attributed to the crystallized grain boundary phases post heat-treatment.

AB - Silicon nitrides containing various compositions of Yb2O3 were investigated. The effects of post heat-treatment on the microstructure, grain boundary phases and high temperature strength were studied. The average grain size, and Yb:Si ratio in the amorphous pocket increased with the amount of Yb2O3 additives. The high temperature strength was substantially increased after post heat-treatment. This was attributed to the crystallized grain boundary phases post heat-treatment.

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