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← ScienceWhich mechanism minimizes fracture risk in fiber-reinforced polymer composites under tensile stress?
A)Stress transfer via interfacial bonding✓
B)Thermal expansion mismatch reduction
C)Polymer chain alignment optimization
D)Void volume fraction minimization
💡 Explanation
When tensile stress is applied, stress transfer via interfacial bonding between the fiber and polymer matrix allows distributing the applied load, preventing stress concentration and crack propagation from micro-flaws. Therefore stress transfer minimizes fracture risk, rather than thermal matching, chain alignment, or void removal which address other failure types.
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