Difference between revisions of "Creep"

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Started by [[Lauren Hartle]], Fall 2011.
 
Started by [[Lauren Hartle]], Fall 2011.
  
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==Definition==
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Creep is the time dependent change in [[Strain]] of a material subject to a constant [[Stress]]. Creep is distinct from [[Plastic flow]], which is often defined as time-''independent'' permanent deformation. A [[Creep test]] and [[Stress relaxation test]] attempt to quantify the same material behavior: the timescale and functional form of molecular and/or atomic rearrangement that occurs when a material is irreversibly deformed. The mechanism of creep differs depending on the material. In a crystal, creep
  
  

Revision as of 18:45, 8 December 2011

Started by Lauren Hartle, Fall 2011.

Definition

Creep is the time dependent change in Strain of a material subject to a constant Stress. Creep is distinct from Plastic flow, which is often defined as time-independent permanent deformation. A Creep test and Stress relaxation test attempt to quantify the same material behavior: the timescale and functional form of molecular and/or atomic rearrangement that occurs when a material is irreversibly deformed. The mechanism of creep differs depending on the material. In a crystal, creep


See also:

Creep of ice, Creep test

Keyword in references:

Homogeneous flow of metallic glasses: A free volume perspective

Stress Enhancement in the Delayed Yielding of Colloidal Gels