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首页> 外文期刊>Corrosion science >Novel thermal protection coating based on Zr_(0.75)Ce_(0.25)O_2/phosphate duplex system for polyimide matrix composites fabricated via a combined sol-gel/sealing treatment process
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Novel thermal protection coating based on Zr_(0.75)Ce_(0.25)O_2/phosphate duplex system for polyimide matrix composites fabricated via a combined sol-gel/sealing treatment process

机译:基于Zr_(0.75)Ce_(0.25)O_2 /磷酸盐双联体系的新型热防护涂层,用于通过溶胶-凝胶/密封组合处理工艺制备的聚酰亚胺基复合材料

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摘要

Thermal protection coating based on Zr_(0.75)Ce_(0.25)O_2/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 Zr_(0.75)Ce_(0.25)O_2/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 ℃ Coating failure was attributed to the formation of cracks and delamination.
机译:结合溶胶-凝胶/密封处理工艺,在聚合物基复合材料上制备了基于Zr_(0.75)Ce_(0.25)O_2 /磷酸盐系的热防护涂层。磷酸盐密封了裂纹,并通过化学键合和粘合增强了粘合性能。 Zr_(0.75)Ce_(0.25)O_2 /磷酸盐双相涂层表现出良好的抗热震性和改善的基材的抗热氧化性。由于双层涂层的保护,样品的重量损失从(4.83±0.12)%降至(0.98±0.08)%,质量烧蚀率从0.088±0.002 mg cm〜(-2)s〜(在810℃进行测试时,-1)为0.018±0.002 mg cm〜(-2)s〜(-1)涂层失败归因于裂纹的形成和分层。

著录项

  • 来源
    《Corrosion science》 |2013年第9期|22-34|共13页
  • 作者单位

    State Key Laboratory of Rare Earth Resources Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022 Jilin, China,Graduate School of the Chinese Academy of Sciences, Beijing 100049, China;

    State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, Jilin. China;

    State Key Laboratory of Rare Earth Resources Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022 Jilin, China,Graduate School of the Chinese Academy of Sciences, Beijing 100049, China;

    State Key Laboratory of Rare Earth Resources Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022 Jilin, China,Graduate School of the Chinese Academy of Sciences, Beijing 100049, China;

    State Key Laboratory of Rare Earth Resources Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022 Jilin, China;

    State Key Laboratory of Rare Earth Resources Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022 Jilin, China;

    State Key Laboratory of Rare Earth Resources Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022 Jilin, China;

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  • 正文语种 eng
  • 中图分类
  • 关键词

    A. Polymer; B. Thermal cycling; B. Weight loss; B. SEM; C. Oxidation;

    机译:A.聚合物;B.热循环;B.减肥;扫描电镜C.氧化;

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