Abstract
The effect of TiB2 and CrB2 additives on the oxidation behavior of composites made of the NiCrBSiC and FeNiCrBSiC self-fluxing alloys has been studied in air at temperatures to 800°C. It is found that the FeNiCrBSiC–20 wt.% TiB2 composite is oxidized most intensively. Oxidation occurs selectively: titanium diboride is oxidized at 450–550°C to form TiO2 and B2O3, and self-fluxing alloy components are oxidized at 570–730°C.
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