Microstructural orientation of isotactic polypropylene studied by computerized scanning eletron microscopy image analysis
AUTOR(ES)
Machado, Giovanna
DATA DE PUBLICAÇÃO
2010
RESUMO
We evaluate the orientation of microstructural elements of isotatic polypropylene (i-PP) before and after deformation using computerized “Quantikov” software analysis of Scanning Electron Microscopy (SEM) images. We observed that before deformation through uniaxial compression, the polymeric material doesn’t exhibit any significant orientation. After deformation at 1349 MPa the material clearly showed preferential orientation that was attested by the orientation axis seen between two petals of the rose of the number of intercepts. This effect was more pronounced after deformation at 2699 MPa.
ASSUNTO(S)
microscopy polipropileno isotático : deformação polypropylene microscopia eletronica orientation
ACESSO AO ARTIGO
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