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A Taguchi experimental design has been used to improve the measurement process utilised in a dynamic mechanical analyser (Perkin Elmer DMA7) for the characterisation of polyolefin foams in compression. The measurement process has been analysed in a systematic way, which allows identification of the main factors that influence the variability of tests performed under the same repeated conditions. By...
In this work, a collection of polyolefin foams with closed cell structure and different chemical compositions and densities was studied by using scanning electron microscopy (SEM), differential scanning calorimetry (DSC) and dynamic mechanical analysis (DMA). Due to their complicated structure, the foamed materials present a non-linear dynamic mechanical behaviour, which has to be taken into account...
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