Isothermal oxidation of Zr2[Al(Si)]4C5-SiC composites at 1000-1300°C in air

Rubing Zhang; Guiqing Chen; Yongmao Pei; Daining Fang

doi:10.1016/j.corsci.2011.09.016

Isothermal oxidation of Zr₂[Al(Si)]₄C₅-SiC composites at 1000-1300°C in air

Rubing Zhang^*, Guiqing Chen, Yongmao Pei, Daining Fang

^*Corresponding author for this work

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

8 Citations (Scopus)

Abstract

The effect of SiC on the oxidation performance of Zr₂[Al(Si)]₄C₅-SiC composites at 1000-1300°C was explored. The present results demonstrated that scale growth on Zr₂[Al(Si)]₄C₅ ceramics obeyed a nearly linear rate law during oxidation, while the oxidation rate of Zr₂[Al(Si)]₄C₅-20SiC ceramics obeyed a nearly parabolic law, increasing rapidly during the initial stages of the reaction and then becoming slower. The oxidation resistance of Zr₂[Al(Si)]₄C₅-20SiC was improved remarkably; this was likely due to the formation of more protective oxide scales on the ceramic consisting of viscid aluminosilicate glass.

Original language	English
Pages (from-to)	205-211
Number of pages	7
Journal	Corrosion Science
Volume	54
Issue number	1
DOIs	https://doi.org/10.1016/j.corsci.2011.09.016
Publication status	Published - Jan 2012
Externally published	Yes

Keywords

A. Ceramic
B. SEM
B. XRD
C. Oxidation

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10.1016/j.corsci.2011.09.016

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title = "Isothermal oxidation of Zr2[Al(Si)]4C5-SiC composites at 1000-1300°C in air",

abstract = "The effect of SiC on the oxidation performance of Zr2[Al(Si)]4C5-SiC composites at 1000-1300°C was explored. The present results demonstrated that scale growth on Zr2[Al(Si)]4C5 ceramics obeyed a nearly linear rate law during oxidation, while the oxidation rate of Zr2[Al(Si)]4C5-20SiC ceramics obeyed a nearly parabolic law, increasing rapidly during the initial stages of the reaction and then becoming slower. The oxidation resistance of Zr2[Al(Si)]4C5-20SiC was improved remarkably; this was likely due to the formation of more protective oxide scales on the ceramic consisting of viscid aluminosilicate glass.",

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AU - Chen, Guiqing

AU - Pei, Yongmao

AU - Fang, Daining

PY - 2012/1

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N2 - The effect of SiC on the oxidation performance of Zr2[Al(Si)]4C5-SiC composites at 1000-1300°C was explored. The present results demonstrated that scale growth on Zr2[Al(Si)]4C5 ceramics obeyed a nearly linear rate law during oxidation, while the oxidation rate of Zr2[Al(Si)]4C5-20SiC ceramics obeyed a nearly parabolic law, increasing rapidly during the initial stages of the reaction and then becoming slower. The oxidation resistance of Zr2[Al(Si)]4C5-20SiC was improved remarkably; this was likely due to the formation of more protective oxide scales on the ceramic consisting of viscid aluminosilicate glass.

AB - The effect of SiC on the oxidation performance of Zr2[Al(Si)]4C5-SiC composites at 1000-1300°C was explored. The present results demonstrated that scale growth on Zr2[Al(Si)]4C5 ceramics obeyed a nearly linear rate law during oxidation, while the oxidation rate of Zr2[Al(Si)]4C5-20SiC ceramics obeyed a nearly parabolic law, increasing rapidly during the initial stages of the reaction and then becoming slower. The oxidation resistance of Zr2[Al(Si)]4C5-20SiC was improved remarkably; this was likely due to the formation of more protective oxide scales on the ceramic consisting of viscid aluminosilicate glass.

KW - A. Ceramic

KW - B. SEM

KW - B. XRD

KW - C. Oxidation

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JO - Corrosion Science

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Isothermal oxidation of Zr₂[Al(Si)]₄C₅-SiC composites at 1000-1300°C in air

Abstract

Keywords

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