What does residual stress mean?
Definitions for residual stress
resid·ual stress
This dictionary definitions page includes all the possible meanings, example usage and translations of the word residual stress.
Wikipedia
Residual stress
Residual stresses are stresses that remain in a solid material after the original cause of the stresses has been removed. Residual stress may be desirable or undesirable. For example, laser peening imparts deep beneficial compressive residual stresses into metal components such as turbine engine fan blades, and it is used in toughened glass to allow for large, thin, crack- and scratch-resistant glass displays on smartphones. However, unintended residual stress in a designed structure may cause it to fail prematurely. Residual stresses can occur through a variety of mechanisms including inelastic (plastic) deformations, temperature gradients (during thermal cycle) or structural changes (phase transformation). Heat from welding may cause localized expansion, which is taken up during welding by either the molten metal or the placement of parts being welded. When the finished weldment cools, some areas cool and contract more than others, leaving residual stresses. Another example occurs during semiconductor fabrication and microsystem fabrication when thin film materials with different thermal and crystalline properties are deposited sequentially under different process conditions. The stress variation through a stack of thin film materials can be very complex and can vary between compressive and tensile stresses from layer to layer.
Numerology
Chaldean Numerology
The numerical value of residual stress in Chaldean Numerology is: 9
Pythagorean Numerology
The numerical value of residual stress in Pythagorean Numerology is: 9
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"residual stress." Definitions.net. STANDS4 LLC, 2024. Web. 23 Nov. 2024. <https://www.definitions.net/definition/residual+stress>.
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