Why do some materials become stronger under repeated…
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Why do some materials become stronger under repeated stress instead of weaker?
I understand that many materials undergo fatigue and eventually fail when repeatedly stressed, but I’ve read that some materials can actually become stronger after being subjected to repeated mechanical stress or deformation.
What is the underlying mechanism behind this “strengthening” effect? How does the material’s internal structure change at the microscopic or atomic level to allow this?
Also, are there specific conditions (like temperature, type of material, or stress patterns) that determine whether a material will weaken or strengthen over time?
#science
I understand that many materials undergo fatigue and eventually fail when repeatedly stressed, but I’ve read that some materials can actually become stronger after being subjected to repeated mechanical stress or deformation.
What is the underlying mechanism behind this “strengthening” effect? How does the material’s internal structure change at the microscopic or atomic level to allow this?
Also, are there specific conditions (like temperature, type of material, or stress patterns) that determine whether a material will weaken or strengthen over time?
#science
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