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Cavitation corrosion
| Глоссарий в области цветной металлургии |
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Кавитационная коррозия, русский
Процесс, совмещающий кавитацию и коррозию.
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Cavitating disk device, английский
Дисковое устройство для испытания на кавитацию (состоит из диска с отверстиями, быстро вращающегося в жидкости и создающего коллапсирующие пузырьки, которые воздействуют на помещенные в устройстве опытные образцы)
Cavitation, английский
- Кавитация - явление, возникающее на плавнике на очень большой скорости (срыв потока), за чем неизбежен спин-аут (spin out)
- Formation of an air or vapor pocket (or bubble) due to lowering of pressure in a liquid, often as a result of a solid body, such as a propeller or piston, moving through the liquid; also, the pitting or wearing away of a solid surface as a result of the violent collapse of a vapor bubble. cavitation can occur in a hydraulic system as a result of low fluid levels that draw air into the fluid, producing tiny bubbles that expand followed by rapid implosion, causing metal erosion and eventual pump destruction.
- Кавитация
- Кавитация, образование пустот
- A phenomenon in the flow of water consisting in the formation and the collapse of cavities in water.
- The forming of a cavity
- The formation and collapse of air bubbles created by a ship’s propeller. this reduces effective thrust, creates noise detectible by an enemy, and may cause structural damage.
- The formation of a pocket (bubble) of air or vapor in a liquid, typically resulting from the swift movement of a solid object (such as a propeller or piston) through the liquid. also, the pitting and wearing away of metal or other solid surfaces caused by the collapse of air/vapor pockets in surrounding liquid.
- Describes the continous pumping of mud from surface-level mud tanks, down the drill pipe, out the drill bit nozzles, and through the gap between the drill pipe and the borehole to the surface. this movement carries rock cuttings via the shale shaker to the mud system.
Cavitation (hydraulics), английский
When the absolute pressure in a pump intake line is reduced below the vapor pressure of the liquid, the fluid may vaporize, or “boil”, or the dissolved air in the fluid may separate. in either case, as the bubbles go through the pump, they collapse or implode and damage the metal of the pump.
Cavitation bound a ry, английский
Граница кавитации 8 . cav i ta t i on wear кавитационное изнашива- ние
Cavitation cloud, английский
Кавитационное облако (скопление большого числа кавитационных пузырьков, затемняющих эродируемую поверхность при наблюдении за ней)
Cavitation damage, английский
The pitting of concrete caused by implosion (collapse) of bubbles in flowing water.
Cavitation erosion, английский
- A material-damaging process which occurs as a result of vaporous cavitation. "cavitation" refers to the occurrence or formation of gas- or vapor- filled pockets in flowing liquids due to the hydrodynamic generation of low pressure (below atmospheric pressure). this damage results from the hammering action when cavitation bubbles implode in the flow stream. ultra-high pressures caused by the collapse of the vapor bubbles produce deformation, material failure and, finally, erosion of the surfaces.
- Loss of material due to the repeated formation and collapse of bubbles at the surface of an object in contact with a rapidly flowing liquid. glossary c 493 celsius (centigrade): temperature scale based on 273 k (0 °c = +32 °f) as the freezing point of water and 373 k (100 °c = 212 °f) as the boiling point of water at standard atmospheric pressure. a relative scale related to the kelvin scale (0 °c = 273.12 k; 1 °c = 1 k).
Cavitation errosion, английский
Loss of material due to the repeated formation and collapse of bubbles at the surface of an object in contact with a rapidly flowing liquid. ccd: see charge coupled device. celsius (centigrade): temperature scale based on 273 k (0 °c = +32 °f) as the freezing point of water and 373 k (100 °c = 212 °f) as the boiling point of water at standard atmospheric pressure. a relative scale related to the kelvin scale (0 °c = 273.12 k; 1 °c = 1 k).
Cavitation fatigue, английский
Form of pitting, caused by erosion from vibration and movement in liquid environments. ccd: see charge coupled device.
Cavitation flow, английский
Cavitation influence, английский
Влияние кавитации
Cavitation liposuction, английский
Cavitation noise, английский
Кавитационный шум
Cavitation nuclei, английский
Cavitation number, английский
Число кавитации
Cavitation performance of pump, английский
Кавитационная характеристика насоса
Cavitation resistance, английский
Стойкость к кавитации
Cavitation threshold, английский
Cavitations, английский
The number of molding stations within a mold.
Corrosion, английский
- Corrosion
- The decay and loss of a metal due to a chemical reaction between the metal and its environment. it is a transformation process in which the metal passes from its elemental form to a combined (or compound) form.
- Коррозия
- The deterioration of metal or of concrete by chemical or electrochemical reaction resulting from exposure to weathering, moisture, chemicals, or other agents in the environment in which it is placed.
- Reaction between metal and oxygen accelerated by the presence of salt, water or intense heat
- The decay and loss of metal caused by a chemical reaction between the metal and another substance, such as contaminants in a lubricant.
- The deterioration of a metal by chemical or electrochemical reaction with its environment or other material.
- Loss or degradation of metal caused by chemical reaction and appearing as pitting and loss of material. galvanic corrosion is caused by electrical contact between dissimilar metals and by entrapped fluids that permit the electronic interchange of ions between adjoining metal surfaces. mechanisms of corrosion include crevice corrosion and stress corrosion in the form of cracking.
- Потеря или деградация металла, вызванная химической реакцией и проявляющаяся в виде питтинга и потери материала. гальваническая коррозия вызвана электрическим контактом между разнородными металлами и захваченными жидкостями, которые обеспечивают электронный обмен ионами между соседними металлическими поверхностями. механизмы коррозии включают щелевую коррозию и коррозию под напряжением в виде растрескивания.
- Loss or degradation of metal because of chemical reaction. corrosion, crevice: corrosion found in tight crevices or pores (pits) and accelerated by galvanic activity from high ion concentrations. corrosion-erosion: simultaneous occurrence of erosion and corrosion. corrosion, fretting: corrosion facilitated by fretting, particularly where a protective surface has been chafed in a corrosive environment. corrosion, poultice: corrosion occurring under a layer of foreign material (for example, under mud in automobile rocker panels).
- Deterioration of a metal by chemical or electrochemical reaction with its environment. removal of material by chemical attack, such as the rusting of automobile components.1 crack, cold: cracks that occur in a casting after solidification, due to excessive stress generally resulting from nonuniform cooling.1 crack, cooling: cracks in bars of alloy or tool steels resulting from uneven cooling after heating or hot rolling. they are usually deep and lie in a longitudinal direction, but are usually not straight.1 crack, grinding: thermal cracks caused by local overheating of the surface being ground.1 crack, hot: cracks that develop before the casting has completely cooled, as contrasted with cold cracks, that develop after solidification.1 also called hot tear. crack, transverse: cracks at right angles to the length of the test object.1 crack, weld: cracks in weld fusion zones or adjacent base metal. usually a result of thermal expansion or contraction stresses related to temperature changes during welding.1
- Deterioration of a metal by chemical or electrochemical reaction with its environment. removal of material by chemical attack, such as the rusting of automobile components. corrosion, crevice: localized corrosion found in regions where part or assembly geometry limits full exposure to the environment.
- Deterioration of a metal by chemical or electrochemical reaction with its environment, or removal of material by chemical attack (for example, rusting of ferrous automobile components). corrosion, crevice: localized corrosion found in regions where part or assembly geometry limits full exposure to the environment.
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Centerless grinding, английский
Caustic quenching, английский
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