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PolyVinylidene Fluoride (PVDF) is a polar crystalline polymer commonly found in the apolar α crystalline form studied here. The complementarity of a macroscopic (tensile tests at constant crosshead speed) and a microscopic approach (Small-Angle X-ray Scattering and Wide-Angle X-ray Scattering) specifies the cavitation phenomenon occurring in this material when strained. At room temperature, microvoids...
Uniaxial tension and creep tests were performed on apolar cristalline PVF2 at room temperature and above the high glassy transition temperature (Tg = 40°C and Tg′ = 60°C), for different strain-rates (tension) or applied stresses (creep). Volume changes were simultaneously measured to study cavitation damage occuring in this polymer when strained. Damage mechanisms were explicated. Influence of experimental...
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