Energetic TWIP - Department of Materials Science and Metallurgy
Energetic TWIP - Department of Materials Science and Metallurgy
Energetic TWIP - Department of Materials Science and Metallurgy
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Thinking about the problem…Flow Curve:= y + m⇥2000Then necking criterion gives1500So: ⇥ f =1U el = m 2 /2Eu = my/mU pl ' 1 2m2ym!True Stress (MPa)10000.7µm4.3µm50010µm45µm84µm00 10 20 30 40 50True Strain (%)σ y(MPa) m (GPa) ε f(%) U pl(GPa)FG 750 2.26 67 0.99AR 480 1.98 76 0.92CG 250 1.7 85 0.81
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