Carreau-Yasuda Polymer Melt Viscosity Calculator
Model shear-thinning pseudoplastic viscosity ($\eta$), zero-shear Newtonian plateau ($\eta_0$), and shear stress ($\tau$) across processing shear rates.
Polymer Resin & Model Parameters
Onset of shear thinning (1/λ)
Shear-thinning slope exponent
Yasuda knee sharpness
Extrusion: 50–500 s⁻¹; Injection molding: 1,000–50,000 s⁻¹
Rheological Flow Results
Apparent Viscosity η(γ̇)
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Wall Shear Stress (τ)
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Zero-Shear η_0
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Critical Rate (1/λ)
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Flow Regime
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Viscoelastic Processing Analysis
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