Towards a micromechanical understanding of biological surface devices
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Eduard Arzt
and
Stanislav Gorb
Abstract
Interesting analogies exist between the science of materials in small dimensions and the mechanics of biological systems. In both instances, mechanical forces and displacements are measured and the results are interpreted in the light of theoretical expectations. The approaches are, however, fundamentally different: consideration of structural diversity and global performance in biology contrasts with more quantitative evaluation of local properties and emphasis on micromechanical modeling in materials science. We report on two examples of our first efforts to combine these approaches in the investigation of biological attachment systems in insects. Nanoindentation studies were performed on the head – neck joint and the wing-locking mechanism in a beetle, and the foot – substrate adhesion in flies and geckos has been examined from the perspective of theoretical contact mechanics. By aiming at a quantitative understanding of the interrelationship between local material properties and complex structures, such studies may lead to the design of artificial attachment systems which are potentially useful in micro-technology.
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We gratefully acknowledge stimulating discussions with K. L. Johnson (Cambridge University) and in the new “Bio Group” in our department, with H. Gao, A. Wanner, and U. Wegst. Permanent support by members of the Electron Microscopy Unit team (H. Schwarz, J. Berger) at the MPI of Developmental Biology (Tübingen, Germany) is greatly acknowledged. Parts of this work were supported by the Federal Ministry of Science of Germany (BMBF), Grant BioFuture 0311851 to S. G., and by the Deutsche Forschungsgemeinschaft (DFG) Leibniz Award to E. A.
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© 2002 Carl Hanser Verlag, München
Articles in the same Issue
- Frontmatter
- Editorial
- Editorial
- Max-Planck-Institut für Metallforschung
- Articles/Aufsätze
- Towards a micromechanical understanding of biological surface devices
- Solid state phase transformation kinetics: a modular transformation model
- Electronic structure investigations of Ni and Cr films on (100)SrTiO3 substrates using electron energy-loss spectroscopy
- Surface magnetization reversal of sputtered CrO2
- Magnetic imaging with full-field soft X-ray microscopy
- Dislocation dynamics in sub-micron confinement: recent progress in Cu thin film plasticity
- Fatigue behavior of polycrystalline thin copper films
- Grain growth in magnetron-sputtered nickel films
- Thin Pd films on SrTiO3 (001) substrates: ab initio local-density-functional theory
- Coupled grain boundary and surface diffusion in a polycrystalline thin film constrained by substrate
- Gallium segregation at grain boundaries in aluminium
- Current work at the Stuttgart UHV diffusion bonding facility
- Bonding between Cu and α-Al2O3
- Compressive deformation of niobium sandwich-bonded to alumina
- SiO2-coated carbon nanotubes: theory and experiment
- Simulation of solidification structures of binary alloys
- Gaseous nitriding of iron-chromium alloys
- Deposition of ceramic materials from aqueous solution induced by organic templates
- Notifications/Mitteilungen
- Personen
- Books
- Information
- DGM Further Training
Articles in the same Issue
- Frontmatter
- Editorial
- Editorial
- Max-Planck-Institut für Metallforschung
- Articles/Aufsätze
- Towards a micromechanical understanding of biological surface devices
- Solid state phase transformation kinetics: a modular transformation model
- Electronic structure investigations of Ni and Cr films on (100)SrTiO3 substrates using electron energy-loss spectroscopy
- Surface magnetization reversal of sputtered CrO2
- Magnetic imaging with full-field soft X-ray microscopy
- Dislocation dynamics in sub-micron confinement: recent progress in Cu thin film plasticity
- Fatigue behavior of polycrystalline thin copper films
- Grain growth in magnetron-sputtered nickel films
- Thin Pd films on SrTiO3 (001) substrates: ab initio local-density-functional theory
- Coupled grain boundary and surface diffusion in a polycrystalline thin film constrained by substrate
- Gallium segregation at grain boundaries in aluminium
- Current work at the Stuttgart UHV diffusion bonding facility
- Bonding between Cu and α-Al2O3
- Compressive deformation of niobium sandwich-bonded to alumina
- SiO2-coated carbon nanotubes: theory and experiment
- Simulation of solidification structures of binary alloys
- Gaseous nitriding of iron-chromium alloys
- Deposition of ceramic materials from aqueous solution induced by organic templates
- Notifications/Mitteilungen
- Personen
- Books
- Information
- DGM Further Training
