alpresentation40%*icsofsurfaceandinterfaceChapter6Analysisandcharacterizationofsurface*Introduction(1)Surfaceandinterfaceplayanimportantroleinmaterialscience.Decisiveinfluenceontheover-allpropertiesofmaterials.Phenomenaorprocessingthatconnectstosurfaceandinterface:corrosion,ageing,hardening,damage,printing,filmpainting,bonding,synthesisetc.**ponentsofaviationandaerospaceb.Coatingsforcivilusec.Specialsurfaceandinterfacefunctionalmaterials:biologicalsurfaceandinterfacewithspecialfunctionsandmicro-structure;super-hydrophobicandsuper-hydrophilicmaterials.Applications:**F22、F117隐形飞机(复合材料-取代金属材料+吸波涂层)隐形涂料:这种涂料含有大量的铁氧体粉末材料,依靠其自身自由电子的重排来消耗雷达波的能量。铁氧体隐形涂料的缺点也是比较明显的:吸波频带较窄,单一涂料只对特定频段的雷达波起作用;对环境要求高,需要为隐形飞机配备昂贵的空调机库,加重了后勤负担;重量大,会对飞机的机动性能产生影响。因此,很多国家都把目光瞄准了新一代的隐形涂料。**水泥基表面的树脂涂层**彩色钢板涂层示意图**柱塞、阀座用耐磨陶瓷涂层*
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