Stress relaxation

a) Applied strain and b) induced stress as functions of time for a viscoelastic material.

In materials science, stress relaxation is the observed decrease in stress in response to the same amount of strain generated in the structure. This is primarily due to keeping the structure in a strained condition for some finite interval of time and hence causing some amount of plastic strain. This should not be confused with creep, which is a constant state of stress with an increasing amount of strain.

单词	Stress relaxation
释义	Stress relaxation 英语百科 Stress relaxation In materials science, stress relaxation is the observed decrease in stress in response to the same amount of strain generated in the structure. This is primarily due to keeping the structure in a strained condition for some finite interval of time and hence causing some amount of plastic strain. This should not be confused with creep, which is a constant state of stress with an increasing amount of strain.
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