Modelling of combine toughening in whiskers and transformation combine toughening ceramics

Song Gui-Ming; Yu Zhou; Yi Sun; Lei Ting-Quan

Modelling of combine toughening in whiskers and transformation combine toughening ceramics

Song Gui-Ming^*
, Yu Zhou
, Yi Sun
, Lei Ting-Quan

^*Corresponding author for this work

School of Materials Science and Engineering

Harbin Institute of Technology

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

Abstract

A model of combine toughening in the ceramics toughened with whiskers and phase-transforming particles is presented. The whisker toughening consists of crack bridging and crack deflection. For transformation toughening, the shear effect is considered by using a shear factor, f, based on the dilatation contribution. Calculated results show that there are interactions among crack bridging, crack deflection and transformation toughening. Crack bridging and crack deflection increase the transformation toughening contribution, but transformation toughening decreases the contributions of crack bridging and crack deflection. Predictions of the toughness of SiC_w/ZrO₂(2mol%Y₂O₃) /Al₂O₃ based on the present model are showed to be in good agreement with the experimental results.

Original language	English
Pages (from-to)	200
Number of pages	1
Journal	Wuji Cailiao Xuebao/Journal of Inorganic Materials
Volume	13
Issue number	2
State	Published - 1998

Keywords

Ceramic matrix composites
Combine toughening model
Transformation toughening R-curve
Whisker toughening

Cite this

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title = "Modelling of combine toughening in whiskers and transformation combine toughening ceramics",

abstract = "A model of combine toughening in the ceramics toughened with whiskers and phase-transforming particles is presented. The whisker toughening consists of crack bridging and crack deflection. For transformation toughening, the shear effect is considered by using a shear factor, f, based on the dilatation contribution. Calculated results show that there are interactions among crack bridging, crack deflection and transformation toughening. Crack bridging and crack deflection increase the transformation toughening contribution, but transformation toughening decreases the contributions of crack bridging and crack deflection. Predictions of the toughness of SiCw/ZrO2(2mol\%Y2O3) /Al2O3 based on the present model are showed to be in good agreement with the experimental results.",

keywords = "Ceramic matrix composites, Combine toughening model, Transformation toughening R-curve, Whisker toughening",

author = "Song Gui-Ming and Yu Zhou and Yi Sun and Lei Ting-Quan",

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T1 - Modelling of combine toughening in whiskers and transformation combine toughening ceramics

AU - Gui-Ming, Song

AU - Zhou, Yu

AU - Sun, Yi

AU - Ting-Quan, Lei

PY - 1998

Y1 - 1998

N2 - A model of combine toughening in the ceramics toughened with whiskers and phase-transforming particles is presented. The whisker toughening consists of crack bridging and crack deflection. For transformation toughening, the shear effect is considered by using a shear factor, f, based on the dilatation contribution. Calculated results show that there are interactions among crack bridging, crack deflection and transformation toughening. Crack bridging and crack deflection increase the transformation toughening contribution, but transformation toughening decreases the contributions of crack bridging and crack deflection. Predictions of the toughness of SiCw/ZrO2(2mol%Y2O3) /Al2O3 based on the present model are showed to be in good agreement with the experimental results.

AB - A model of combine toughening in the ceramics toughened with whiskers and phase-transforming particles is presented. The whisker toughening consists of crack bridging and crack deflection. For transformation toughening, the shear effect is considered by using a shear factor, f, based on the dilatation contribution. Calculated results show that there are interactions among crack bridging, crack deflection and transformation toughening. Crack bridging and crack deflection increase the transformation toughening contribution, but transformation toughening decreases the contributions of crack bridging and crack deflection. Predictions of the toughness of SiCw/ZrO2(2mol%Y2O3) /Al2O3 based on the present model are showed to be in good agreement with the experimental results.

KW - Ceramic matrix composites

KW - Combine toughening model

KW - Transformation toughening R-curve

KW - Whisker toughening

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M3 - 文章

AN - SCOPUS:33745547415

SN - 1000-324X

VL - 13

SP - 200

JO - Wuji Cailiao Xuebao/Journal of Inorganic Materials

JF - Wuji Cailiao Xuebao/Journal of Inorganic Materials

IS - 2

ER -

Modelling of combine toughening in whiskers and transformation combine toughening ceramics

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