在高温氧化领域，习惯上将高温防护涂层分为两种：扩散涂层（Diffusion coatings）和覆盖涂层（Overlaycoatings）。通过与基体接触并与其内确定元 素反应，从而改变了基体外层形成的涂层为扩散涂层。
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al diffusion coatings 扩散铝涂层
In experimental work, Al powders are used to fabricate diffusion coatings on the surfaces of pure Mg cube substrate.
在实验部分中,铝粉被用来在纯镁金属块体上制备扩散涂层。
参考来源 - 纯镁表面扩散铝涂层的制备及分子动力学研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Paints. Thick plastics coatings. Retardation of dripping water diffusion.
涂料。厚塑料涂层。滴水渗透的阻滞。
In a word, the thesis gives a detailed study of high temperature oxidation of thermal barrier coatings from thermodynamics, diffusion, oxidation kinetics and mechanochemistry activity.
总而言之，本文从热力学、扩散、氧化动力学和力学化学活度四个方面对热障涂层的高温氧化机理作了一个较为详细的论述。
It showed that the reasonable post oxidation could improve the ceramic coatings' density, bond strength and hardness and that oxygen's diffusion was one of important roles in post oxidation treatment.
结果表明，合理的后氧化能够明显改善涂层性能，且氧的扩散是发挥作用的重要因素之一。
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