Abstract

The Raman analysis of the effect of pressures applied to poly(vinylidene fluoride) (PVF 2 ) samples shows a gradual crystalline transformation from structure II to I as the pressure is increased. This result was utilized to study the distribution of stress in the residual deformed micro-region produced by a process of microindentation in PVF 2 using a Vickers microhardness tester. The micro-Raman mapping of the microindented zone shows a gradual variation from form I to form II as the spectra were scanned from the centre to the edge of the impression area

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