Oxidation behavior and phase transition of ZrB2–SiCw–ZrO2f ceramic
Source abstract
Abstract
The oxidation behavior and phase transition of ZrB2-SiCw-ZrO2f ceramic had been investigated by in situ high-temperature XRD, XPS, SEM, EDS and TEM measurements. The initial oxidation temperature of most ZrB2 was 1000 degrees C and no significant oxidation of SiC was found up to 1200 degrees C. The oxidation products formed at lower temperatures would penetrate into the pores and flaws on the surface, which was beneficial to crack healing. In order to improve the oxidation resistance of this system, it should be focused on decreasing the oxygen diffusivity and the volume expansion caused by phase transition. (C) 2013 Elsevier Ltd. All rights reserved.
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Research context
OpenAlex topics: Advanced ceramic materials synthesis · Advanced materials and composites · MXene and MAX Phase Materials
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References (33)
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