Lubricant and Oil additive

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Difference between Lubricant and Oil additive

Lubricant vs. Oil additive

A lubricant is a substance, usually organic, introduced to reduce friction between surfaces in mutual contact, which ultimately reduces the heat generated when the surfaces move. Oil additives are chemical compounds that improve the lubricant performance of base oil (or oil "base stock").

American Petroleum Institute

The American Petroleum Institute (API) is the largest U.S. trade association for the oil and natural gas industry.

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Antioxidant

Antioxidants are molecules that inhibit the oxidation of other molecules.

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Antiwear additive

AW additives, or antiwear additives, are additives for lubricants to prevent metal-to-metal contact between parts of gears.

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Automatic transmission

An automatic transmission, also called auto, self-shifting transmission, n-speed automatic (where n is its number of forward gear ratios), or AT, is a type of motor vehicle transmission that can automatically change gear ratios as the vehicle moves, freeing the driver from having to shift gears manually.

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Bearing (mechanical)

A bearing is a machine element that constrains relative motion to only the desired motion, and reduces friction between moving parts.

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Corrosion

Corrosion is a natural process, which converts a refined metal to a more chemically-stable form, such as its oxide, hydroxide, or sulfide.

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Corrosion inhibitor

A corrosion inhibitor is a chemical compound that, when added to a liquid or gas, decreases the corrosion rate of a material, typically a metal or an alloy.

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Defoamer

A defoamer or an anti-foaming agent is a chemical additive that reduces and hinders the formation of foam in industrial process liquids.

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Detergent

A detergent is a surfactant or a mixture of surfactants with cleaning properties in dilute solutions.

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Diesel engine

The diesel engine (also known as a compression-ignition or CI engine), named after Rudolf Diesel, is an internal combustion engine in which ignition of the fuel which is injected into the combustion chamber is caused by the elevated temperature of the air in the cylinder due to mechanical compression (adiabatic compression).

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Extreme pressure additive

Extreme pressure additives, or EP additives, are additives for lubricants with a role to decrease wear of the parts of the gears exposed to very high pressures.

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Friction

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.

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Friction modifier

Friction modifiers are added to lubricants in order to reduce friction and wear in machine components.

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Gear oil

Gear oil is a lubricant made specifically for transmissions, transfer cases, and differentials in automobiles, trucks, and other machinery.

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Internal combustion engine

An internal combustion engine (ICE) is a heat engine where the combustion of a fuel occurs with an oxidizer (usually air) in a combustion chamber that is an integral part of the working fluid flow circuit.

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Lubrication

Lubrication is the process or technique of using a lubricant to reduce friction and/or wear in a contact between two surfaces.

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Lubricity

Lubricity is the measure of the reduction in friction and or wear by a lubricant.

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Metal deactivator

Metal deactivators, or metal deactivating agents (MDA) are fuel additives and oil additives used to stabilize fluids by deactivating (usually by sequestering) metal ions, mostly introduced by the action of naturally occurring acids in the fuel and acids generated in lubricants by oxidative processes with the metallic parts of the systems.

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Motor oil

Motor oil, engine oil, or engine lubricant is any of various substances comprising base oils enhanced with additives, particularly antiwear additive plus detergents, dispersants and, for multi-grade oils viscosity index improvers.

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Oil

An oil is any nonpolar chemical substance that is a viscous liquid at ambient temperatures and is both hydrophobic (does not mix with water, literally "water fearing") and lipophilic (mixes with other oils, literally "fat loving").

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Oil analysis

Oil analysis (OA) is the laboratory analysis of a lubricant's properties, suspended contaminants, and wear debris.

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Petroleum

Petroleum is a naturally occurring, yellow-to-black liquid found in geological formations beneath the Earth's surface.

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Polytetrafluoroethylene

Polytetrafluoroethylene (PTFE) is a synthetic fluoropolymer of tetrafluoroethylene that has numerous applications.

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Pour point

The pour point of a liquid is the temperature below which the liquid loses its flow characteristics.

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Redox

Redox (short for reduction–oxidation reaction) (pronunciation: or) is a chemical reaction in which the oxidation states of atoms are changed.

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Transmission (mechanics)

A transmission is a machine in a power transmission system, which provides controlled application of the power.

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Tribology

Tribology is the science and engineering of interacting surfaces in relative motion.

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Viscosity

The viscosity of a fluid is the measure of its resistance to gradual deformation by shear stress or tensile stress.

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Viscosity index

The viscosity index (VI) is an arbitrary, unitless measure of the change of viscosity with temperature, mostly used to characterize the viscosity-temperature behavior of lubricating oils.

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Whale oil

Whale oil is oil obtained from the blubber of whales.

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Zinc dithiophosphate

Zinc dialkyldithiophosphates (often referred to as ZDDP) are a family of coordination compounds developed in the 1940s that feature zinc bound to the anion of a dialkyldithiophosphoric acid (e.g. ammonium diethyl dithiophosphate).

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