Cyclic oxidation resistance and self-healing properties of HfB2-doped glass composite coatings at 900 °C
Source abstract
Abstract
HfB 2-doped glass coating exhibits superior cyclic antioxidative performance compared to pure glass coating. The HfB 2 particles inhibit the precipitation of crystals with low thermal expansion coefficient, mitigating the risk of fish-scaling failure. In addition, the HfB 2 -doped glass composite coating, with high contents of amorphous phases, maintains its viscous flow properties even after multiple high temperature cyclic oxidations, which enables it to self-heal. Moreover, the oxidation product (B 2O 3) of HfB 2 enhances network connectivity of the glass system, providing more unsaturated sites for the chemical bonding of the self-healing process.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced ceramic materials synthesis · Glass properties and applications · Flame retardant materials and properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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