Pressure

Definition - What does Pressure mean?

Pressure is the force for each unit area. It is usually more fitting to use this unit relative to force in order to describe fluid behavior influences. The customary unit used for pressure is called pascals, which is equal to one newton per square meter.

Pressure can be applied in many physical conditions where it is considered as a variable, such as in corrosion identification and control where pressure can be one of the key variables.

Corrosionpedia explains Pressure

An object on a particular surface produces a weight based on the force that is pressing on the surface. However, in some cases, there can be a different orientation that can lead to a different area that is in contact, thus, exerting a difference in pressure.

Pressure has a significant effect on the corrosion rate of metals, especially those that are exposed in aqueous systems. Pressure is a vital factor in the rates of corrosion and chemical reactions in super-critical and subcritical aqueous systems.

For instance, carbon steel immersed in water at temperature higher than 750°F (400°C) and pressures that range from 2500 to 3500 psi can produce rapid corrosion rates. Thus, these variables should be modified to achieve proper corrosion control.

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