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← ScienceWhich effect results in a Bingham plastic when shear stress decreases?
A)Yield stress causes rigid behaviour✓
B)Viscosity increases despite shear rate
C)Increased shear thinning destabilizes forces
D)Material permanently loses its elasticity
💡 Explanation
Yield stress dominates the Bingham plastic when shear force decreases, causing it to behave as a rigid solid because the viscosity prevents flow until that critical force is reached; therefore, no flow is observable rather than a thinning or elasticity loss.
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