Self-Healing Behavior of Y2SiO5 Toughened by SiC Particles

Huy Dinh Vu; Makoto Nanko

doi:10.4028/www.scientific.net/KEM.728.149

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 728Self-Healing Behavior of Y2SiO5 Toughened by SiC...

Self-Healing Behavior of Y₂SiO₅ Toughened by SiC Particles

Abstract:

Crack-healing effectiveness of Y₂SiO₅-based composites dispersed with 5 vol% SiC particles was investigated. Dense specimens of 5 vol% SiC/Y₂SiO₅ were fabricated by pulsed electric current sintering technique. Surface cracks were introduced by using a Vickers indenter to be a crack length of approximately 200 μm. Self-healing performance of SiC/Y₂SiO₅ composites via high-temperature oxidation in air was studied as a function of heat treatment temperature. As a result, surface cracks disappeared perfectly after heat treatment at 1300°C for 6 h in air.

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Key Engineering Materials (Volume 728)

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149-154

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.728.149

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Online since:

January 2017

Authors:

Huy Dinh Vu, Makoto Nanko*

Keywords:

Ceramic Matrix Composites, High Temperature Oxidation, Self-Healing, Y₂SiO₅

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