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← ScienceWhich risk increases when an elastomeric O-ring intended for cyclical hydraulic sealing undergoes rapid decompression?
A)Explosive decompression fracturing occurs✓
B)Thermal runaway exceeds material Tc
C)Yield strength surpasses tensile stress
D)Fluid viscosity creates turbulent cavitation
💡 Explanation
Explosive decompression fracturing risk increases because rapid pressure differential in compressed gases causes rapid gas expansion within the O-ring’s polymer matrix via permeation; therefore, material disintegration occurs rather than creep, because the matrix can’t withstand internal pressure.
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