In situ study of the oxidation of ZrB2 and ZrB2-SiC materials by monitoring the LIF signal of BO2 radicals
Source abstract
Abstract
Abstract In this study, the Laser Induced Fluorescence (LIF) technique is used to detect BO2 radicals in the gas phase above heated ZrB2 and ZrB2-20 vol. % SiC samples in air, in order to provide an in situ and real-time monitoring of their thermal oxidation. Samples are heated up to 1923 K in air flow with a 2 kW CO2 laser. The BO2 fluorescence and the laser transmission signals are monitored throughout the temperature ramp. This technique allows to detect the key steps of the oxidation (silica formation,...) and to propose more precise oxidation mechanisms as a function of temperature.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced ceramic materials synthesis · Semiconductor materials and devices · Advanced materials and composites
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