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What is the best brand of ceramic coating for cars? 

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Since no single material that has been studied so far satisfies all the requirements for high temperature thermal barrier coatings, double-ceramic-layer coating may be an important development direction of thermal barrier coatings.
Low raw material cost coupled with ease of application and high deposit efficiency of the ceramic make this coating a viable candidate for commercialization.
This sol–gel coating method effectively enhanced the thermal shock resistance of the ceramic materials, and indicates the potential for the application of ceramics in extreme environments.
These results show that the synthesized ceramic materials can be explored as novel prospective candidate materials for use in new thermal barrier coating systems in the future.
The results show that the presence of ceramic phase affects the wear resistance of the coating.
Such coating also exhibits some promise in ceramic matrix composites.
This work demonstrated experimentally that the knowledge of the particle characteristics before the coating formation is important to predict the wear behavior of the ceramic.
This work demonstrated experimentally that the knowledge of the particle characteristics before the coating formation is not sufficient to predict the wear behaviour of the ceramic unless to consider the spray temperature control.

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