Novel thermal protection coating based on Zr0.75Ce0.25O2/phosphate duplex system for polyimide matrix composites fabricated via a combined sol–gel/sealing treatment process
Source abstract
Abstract
Thermal protection coating based on Zr0.75Ce0.25O2/phosphate system was fabricated on polymer-matrix composites via a combined sol-gel/sealing treatment process. Phosphates sealed the cracks and enhanced the adhesion property via chemical bonding and binding. The Zr0.75Ce0.25O2/phosphate duplex coating exhibited good thermal shock resistance and improved thermal oxidation resistance of the substrate. Due to the protection of the duplex coating, the weight loss of the specimen reduced from (4.83 +/- 0.12)% to (0.98 +/- 0.08)% and the mass ablation rate decreased from 0.088 +/- 0.002 mg cm(-2) s(-1) to 0.018 +/- 0.002 mg cm(-2) s(-1) when testing at 810 degrees C. Coating failure was attributed to the formation of cracks and delamination. Crown Copyright (C) 2013 Published by Elsevier Ltd. All rights reserved.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced ceramic materials synthesis · Silicone and Siloxane Chemistry · Advanced materials and composites
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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