2. Mechanisms of isothermal relaxation
Only a brief description of the relaxation mechanisms will be given in the case of a relaxation test with the initial relaxation stress above the yield stress, σ
0
> σ
E
Plastic strain ε
p
is related to the density of mobile dislocations ρ
m
by the Bailey-Orowan relation :
where α is a geometric...
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Mechanisms of isothermal relaxation
Mathematical descriptions
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