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Quantitative temperature-depending mapping of mechanical properties of bitumen at the nanoscale using the AFM operated with PeakForce TappingTM mode

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Author: Fischer, H.R. · Stadler, H. · Erina, N.
Source:Journal of Microscopy, 3, 250, 210-217
Identifier: 472355
Keywords: Materials · AFM · Bitumen · Nanomechanics · PeakForce Tapping · Quantitative mapping · High Tech Systems & Materials · Industrial Innovation · Mechatronics, Mechanics & Materials · MIP - Materials for Integrated Products · TS - Technical Sciences


The mechanical properties of bitumen, such as elasticity/Young's modulus, stickiness/adhesion, hardness and energy loss, and sample deformation were acquired quantitatively and simultaneously with the topology at the microscale, discriminating clearly two separate phases within the bitumen. Temperature-dependent measurements revealed detailed and specific data about the changes of these properties with temperature, enabling the development of predictive models for the performance and durability of asphalt. © 2013 The Authors Journal of Microscopy © 2013 Royal Microscopical Society.