What is "saturation stress"?

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Offline tintin

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What is "saturation stress"?
« on: 24/05/2003 15:12:21 »
I'm pinned by the concept of "saturation stress" in some stress-strain or stress-Temperature graphs. Who knows what this "saturation" signifies?
« Last Edit: 16/06/2008 12:17:26 by chris »
 

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Offline RD

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What is "saturation stress"?
« Reply #1 on: 18/06/2008 19:20:17 »
Quote
when a ductile material is cycled at constant plastic strain amplitude, the maximum stress in one cycle rises and then saturates.
The saturation stress is identified as being to an excellent approximation equal to the endurance limit of the material,
as measured by conventional stress cycling tests.
http://cat.inist.fr/?aModele=afficheN&cpsidt=1411797
« Last Edit: 18/06/2008 19:22:50 by RD »