Schneider, Gerald Johannes (2009) Correlation of mass fractal dimension and asymmetry. JOURNAL OF CHEMICAL PHYSICS, 130 (23): 234912. ISSN 0021-9606,
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Small-angle X-ray experiments reveal the structure and structural changes of silica embedded in a rubbery host matrix due to the deformation of the surrounding elastomer. The experiments prove that the silica is initially isotropic and becomes anisotropic due to the deformation of the matrix. Increasing the elongation ratio of the polymer results in a larger mass fractal dimension of the silica clusters. The growing mass fractal dimension can be explained simply by a rearrangement of the primary particles within the clusters. However, for the first time, mathematical reasons are presented which clearly demonstrate that self-affine clusters have to be used instead of self-similar ones in order to describe the experiments correctly.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | X-RAY-SCATTERING; ELASTIC BEHAVIOR; ANGLE SCATTERING; BEAMLINE BW4; CHAIN; POLYMERS; REINFORCEMENT; ELASTOMERS; DISPERSION; VISCOSITY; deformation; elastomers; elongation; fractals; molecular clusters; silicon compounds; X-ray scattering |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Dietmar Göritz |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 14 Sep 2020 06:17 |
| Last Modified: | 14 Sep 2020 06:17 |
| URI: | https://pred.uni-regensburg.de/id/eprint/28815 |
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