Metallurgical Engineering > GATE 2025 > Plastic Deformation
Match the phenomena in Column I with the typical observations in Column II.
| Column I | Column II |
| P. Dynamic strain aging | 1. Grain boundary sliding |
| Q. Recrystallization | 2. Decrease in yield stress with a reversal of loading direction |
| R. Bauschinger effect | 3. Decrease in dislocation density |
| S. Superplasticity | 4. Serrations in stress-strain curve |
Correct : b
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