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Under application of stress, when a straight dislocation (radius of curvature, r = ∞) tries to bow out around precipitates of spacing L, there is an instability during changing of curvature at

Under application of stress, when a straight dislocation (radius of curvature, r = ∞) tries to bow out around precipitates of spacing L, there is an instability during changing of curvature at Correct Answer $$r = \frac{L}{2}$$

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