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Ludwik-Hollomon

σY (MPa)

300 

K (MPa)

800 

n (-)

0.5 

Voce

σY (MPa)

200 

σS (MPa)

320 

ε0 (-)

0.15 

Ludwik-Hollomon Equation σ = σY + Kεn

Voce Equation σ = σS -(σS - σY)exp(-ε/ε0)

0 100 200 300 400 500 σ T (MPa) 0 0.1 0.2 0.3 ε T