Between 230 and 370°C, blue brittleness is caused in mild steel because of the_________________?

Chemical Engineering Mcqs

Between 230 and 370°C, blue brittleness is caused in mild steel because of the_________________?

(A)  Immobility of dislocation

(B)  Strain-ageing

(C)  Increase in Young’s modulus

(D)  Strain hardening

Submitted By :Ali Uppal

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