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Creep

Last updated: June 22, 2018

What Does Creep Mean?

Creep refers to a material science concept that describes the likelihood of a material to deform under an applied force of mechanical stress.

Creep may also be known as material creep or cold flow.

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Corrosionpedia Explains Creep

Creep occurs due to prolonged exposure to applicable forces below the yield strength of the receiving metal. It can be observed to have greater impact when a metal is exposed to increased levels of heat.

Creep is a type of deformation that is important and experienced in a wide range of industries ranging from nuclear power plants, jet engines and even heat exchangers.

There are three main stages of creep:

  • Primary creep - Starts at an increased rate and slows with time due to material hardening.
  • Secondary creep - Has a relatively steady rate.
  • Tertiary creep - Has an accelerated rate and ends when the material breaks.
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Synonyms

Cold Flow

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Tags

Materials SelectionCorrosion 101TemperatureScientific PropertiesPhysical Property MetalsMaterial Failure

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