Paper Title:
Bitumen Morphology as Observed by Phase-Detection Atomic Force Microscopy
  Abstract

An analysis of the microstructure of several modified bitumen shown by phase detection Atomic Force Microscopy (AFM) is presented here. The phase detection and topographic AFM images, displayed three different types of microstructure: the so-called catana phase domains (beelike structures) dispersed in the peri-phase are present in most of the cases; para-phase domains are also observed in the neighbourhood of both catana and peri-phases. These results are consistent with the picture of bitumen as a heterogeneous mixture, as one should expect. The proportions of all these phases display a rather strong dependence on the nature of the modified bitumen considered, on the concentration of the modifier, as well as on the amount of aging of the mix.

  Info
Periodical
Materials Science Forum (Volumes 587-588)
Edited by
António Torres Marques, António Fernando Silva, António Paulo Monteiro Baptista, Carlos Sá, Fernando Jorge Lino Alves, Luís Filipe Malheiros and Manuel Vieira
Pages
981-985
DOI
10.4028/www.scientific.net/MSF.587-588.981
Citation
E. R. Costa, R. Colaço, A. C. Diogo, "Bitumen Morphology as Observed by Phase-Detection Atomic Force Microscopy ", Materials Science Forum, Vols. 587-588, pp. 981-985, 2008
Online since
June 2008
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Price
$32.00
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