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Polishing
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For other uses, see Polish (disambiguation).
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Polishing is the process of creating a smooth and shiny surface by rubbing it or using a chemical action, leaving a surface with a significant specular reflection (still limited by the index of refraction of the material according to the Fresnel equations.)[1] In some materials (such as metals, glasses, black or transparent stones), polishing is also able to reduce diffuse reflection to minimal values. When an unpolished surface is magnified thousands of times, it usually looks like mountains and valleys. By repeated abrasion, those "mountains" are worn down until they are flat or just small "hills." The process of polishing with abrasives starts with coarse ones and graduates to fine ones.
Mechanical properties Edit
The strength of polished products can be higher than their rougher counterparts owing to the removal of stress concentrations present in the rough surface. They take the form of corners and other defects which magnify the local stress beyond the inherent strength of the material.[2]
Types Edit
Metalworking Edit
Main article: Polishing (metalworking)
Other polishing processes include:
Burnishing
Mass finishing
Tumble finishing
Vibratory finishing
Sodablasting
Woodworking Edit
French polishing
Wood finishing
Other Edit
Chemical-mechanical polishing, which is used in semiconductor fabrication
Fabrication and testing of optical components
Flame polishing, a type of polishing used on glass and thermoplastics
Ultra-fine, abrasive paste polishing, polishing for soft or fragile work surfaces
Vapor polishing, a method of polishing plastics to optical clarity
References Edit
Floor Scrubber, archived from the original on 2016-08-31, retrieved 2008-01-04.
Zucuni, Camila Pauleski; Dapieve, Kiara Serafini; Rippe, Marília Pivetta; Pereira, Gabriel Kalil Rocha; Bottino, Marco Cícero; Valandro, Luiz Felipe (2019). "Influence of finishing/polishing on the fatigue strength, surface topography, and roughness of an yttrium-stabilized tetragonal zirconia polycrystals subjected to grinding". Journal of the Mechanical Behavior of Biomedical Materials. 93: 222–229. doi:10.1016/j.jmbbm.2019.02.013. PMID 30831358.
External links Edit
4 Steps of Marble Polishing
Flex Guide
Wikimedia Commons has media related to Polishing.
Look up polishing in Wiktionary, the free dictionary.
Last edited 4 months ago by InternetArchiveBot
RELATED ARTICLES
Abrasive
rough material used to shape objects by friction
Surface finishing
range of processes that alter the surface of an item to achieve a certain property
Fabrication and testing of optical components
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