Design engineering - Cambridge OCRSurface treatments and finishes
Design engineering is the study of problem solving by ‘traditional’ engineering and design. It applies an understanding of materials, creative design thinking and manufacturing techniques.
There are a number of surface treatmentA process applied to the surface of a material to improve its properties, alter its aesthetics or protect it. and finishA protective or decorative layer added to a product such as varnish or paint. that can be applied to materials to improve their performance, eg enhancing durabilityThe ability to be hardwearing., alter their aestheticHow something looks., or protect them, eg from rustIron oxide formed on iron or steel, orange coloured, flaky., chemicals or fungi:
Papers and boards can be encapsulatedEnclosing in a thin film of a different material. or laminatedAt least two layers of material bonded together. with foils or polymers
timbers can be painted, stained, waxed, oiled and varnished to protect them as well as changing their aesthetic
metals can be anodised Coated with a protective oxide layer by a chemical or electrolytic process. , galvanisingThe process of covering metal, usually steel, with a layer of zinc plating to provide protection from rusting or painted to protect them or alter their aesthetics
polymers can be applied as adhesive coatings, eg as vinyl stickers or ‘wrappers’ to protect a product or to alter its aesthetics
fibres and fabrics often are given protective coatings to protect them, eg from staining or to reduce flammability