Substrate (materials science)


Substrate (materials science)

Substrate is a term used in materials science to describe the base material on which processing is conducted to produce new film or layers of material such as deposited coatings.

A typical substrate might be a metal, onto which a coating might be deposited by any of the following processes:

* Coating and printing processes
* Chemical vapor deposition and physical vapor deposition
* Conversion coating:* Anodizing:* Chromate conversion coating:* Plasma electrolytic oxidation:* Phosphate (coating)
* Paint:* Enamel (paint):*Powder coating:* Industrial coating:* Silicate mineral paint:* Fusion bonded epoxy coating (FBE coating)
* pickled and oiled, a type of plate steel coating.
* Plasma coatings
* Plating:* Electroless plating :* Electrochemical plating
* Polymer coatings, such as Teflon
* Sputtered or vacuum deposited materials
* Enamel (vitreous)

Substrate may be also an engineered surface where an unintended or natural process occurs, like in:
* Fouling
* Corrosion
* Biofouling
* Heterogeneous catalysis
* Adsorption

See also

* List of coating techniques
* Thin-film deposition


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