Difference between revisions of "Lubrication"
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==Origin== | ==Origin== | ||
[[Latin]] ''lubricatus'', past participle of ''lubricare'', from ''lubricus'' slippery | [[Latin]] ''lubricatus'', past participle of ''lubricare'', from ''lubricus'' slippery | ||
| − | *[ | + | *[https://en.wikipedia.org/wiki/17th_century 1623] |
==Definition== | ==Definition== | ||
*1: to make smooth or slippery | *1: to make smooth or slippery | ||
==Description== | ==Description== | ||
| − | '''Lubrication''' is the [[process]], or [[technique]] employed to reduce wear of one or both [[surfaces]] in close proximity, and moving [[relative]] to each other, by interposing a substance called ''lubricant'' between the surfaces to carry or to help carry the load ([[pressure]] generated) between the [[opposing]] surfaces. The interposed lubricant film can be a solid, (e.g. [ | + | '''Lubrication''' is the [[process]], or [[technique]] employed to reduce wear of one or both [[surfaces]] in close proximity, and moving [[relative]] to each other, by interposing a substance called ''lubricant'' between the surfaces to carry or to help carry the load ([[pressure]] generated) between the [[opposing]] surfaces. The interposed lubricant film can be a solid, (e.g. [https://en.wikipedia.org/wiki/Graphite graphite], MoS2) a solid/liquid [[dispersion]], a liquid, a liquid-liquid dispersion (a [https://en.wikipedia.org/wiki/Grease_(lubricant) grease]) or, exceptionally, a [[gas]]. |
In the most common case the applied load is carried by [[pressure]] generated within the [[fluid]] due to the [[friction]]al viscous [[resistance]] to [[motion]] of the lubricating fluid between the surfaces. | In the most common case the applied load is carried by [[pressure]] generated within the [[fluid]] due to the [[friction]]al viscous [[resistance]] to [[motion]] of the lubricating fluid between the surfaces. | ||
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Lubrication can also describe the [[phenomenon]] such reduction of wear occurs without human [[intervention]] (hydroplaning on a road). | Lubrication can also describe the [[phenomenon]] such reduction of wear occurs without human [[intervention]] (hydroplaning on a road). | ||
| − | In the [[science]] of [[friction]], lubrication and wear is called [ | + | In the [[science]] of [[friction]], lubrication and wear is called [https://en.wikipedia.org/wiki/Tribology tribology]. |
| − | Adequate lubrication allows smooth continuous operation of equipment, with only mild wear, and without excessive [[stresses]] or seizures at bearings. When lubrication breaks down, metal or other [[components]] can rub destructively over each other, causing destructive damage, [[heat]], and [[failure]].[ | + | Adequate lubrication allows smooth continuous operation of equipment, with only mild wear, and without excessive [[stresses]] or seizures at bearings. When lubrication breaks down, metal or other [[components]] can rub destructively over each other, causing destructive damage, [[heat]], and [[failure]].[https://en.wikipedia.org/wiki/Lubrication] |
[[Category: Physics]] | [[Category: Physics]] | ||
Latest revision as of 01:24, 13 December 2020
Origin
Latin lubricatus, past participle of lubricare, from lubricus slippery
Definition
- 1: to make smooth or slippery
Description
Lubrication is the process, or technique employed to reduce wear of one or both surfaces in close proximity, and moving relative to each other, by interposing a substance called lubricant between the surfaces to carry or to help carry the load (pressure generated) between the opposing surfaces. The interposed lubricant film can be a solid, (e.g. graphite, MoS2) a solid/liquid dispersion, a liquid, a liquid-liquid dispersion (a grease) or, exceptionally, a gas.
In the most common case the applied load is carried by pressure generated within the fluid due to the frictional viscous resistance to motion of the lubricating fluid between the surfaces.
Lubrication can also describe the phenomenon such reduction of wear occurs without human intervention (hydroplaning on a road).
In the science of friction, lubrication and wear is called tribology.
Adequate lubrication allows smooth continuous operation of equipment, with only mild wear, and without excessive stresses or seizures at bearings. When lubrication breaks down, metal or other components can rub destructively over each other, causing destructive damage, heat, and failure.[1]
