Tính nhớt đàn hồi (Viscoelasticity)
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Cập nhật: 28/08/2026 20:30
A material behavior combining viscous flow and elastic recovery.
Polymers are viscoelastic because molecular chains can stretch, relax, slide, and entangle over time. Viscoelasticity affects creep, stress relaxation, damping, melt processing, and mechanical performance under dynamic loading.