Asked: February 25, 20222022-02-25T02:12:29+05:30 2022-02-25T02:12:29+05:30In: Mechanical Metallurgy

GATE MT 2022 Q14. For a material that undergoes strain hardening, necking instability occurs during tensile testing when ______ . Given: σ = true stress and ϵ = true strain.

29.73%(A) 𝑑𝜎/𝑑𝜖 = 0 ( 11 voters )

18.92% (B) 𝑑𝜎/ 𝑑𝜖 = ϵ ( 7 voters )

48.65% (C) 𝑑𝜎 / 𝑑𝜖 = σ ( 18 voters )

2.7% (D) 𝑑𝜎 / 𝑑𝜖 = ∞ ( 1 voter )

Based On 37 Votes

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