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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Den Toonder, Jaap M. J.
Eindhoven University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (27/27 displayed)
- 2023Fully Transparent, Ultrathin Flexible Organic Electrochemical Transistors with Additive Integration for Bioelectronic Applicationscitations
- 2023Single Hydrogel Particle Mechanics and Dynamics Studied by Combining Capillary Micromechanics with Osmotic Compressioncitations
- 2023Round lumen-based microfluidic devices for modelling cancer metastasis
- 2023Nanomagnetic Elastomers for Realizing Highly Responsive Micro- and Nanosystemscitations
- 2023Nanomagnetic Elastomers for Realizing Highly Responsive Micro- and Nanosystemscitations
- 2022A Prototype System with Custom-Designed RX ICs for Contrast-Enhanced Ultrasound Imagingcitations
- 2017Microfluidic magnetic bead conveyor beltcitations
- 2017Magnetofluidic conveyor belt
- 2014Monocytic cells become less compressible but more deformable upon activationcitations
- 2012Magnetically actuated artificial cilia : the effect of fluid inertiacitations
- 2011Magnetically-actuated artificial cilia for microfluidic propulsioncitations
- 2009Numerical simulation of flat-tip micro-indentation of glassy polymers: influence of loading speed and thermodynamic statecitations
- 2007Micro-mechanical testing of SiLK by nanoindentation and substrate curvature techniquescitations
- 2006Indentation: the experimenter's holy grail for small-scale polymer characterization?
- 2006Buckle morphology of compressed inorganic thin layers on a polymer substratecitations
- 2005Viscoelastic characterization of low-dielectric-constant SiLK films using nano-indentation in combination with finite element modelingcitations
- 2005Finite thickness influence on spherical and conical indentation on viscoelastic thin polymer filmcitations
- 2005On factors affecting the extraction of elastic modulus by nanoindentation of organic polymer filmscitations
- 2004Mechanical characterization of SiLK by nanoindentation and substrate curvature techniquescitations
- 2004Optimization of mechanical properties of thin free-standing metal films for RF-MEMScitations
- 2004Optimization of mechanical properties of thin free-standing metal films for RF-MEMScitations
- 2003Residual stresses in multilayer ceramic capacitors: measurement and computationcitations
- 2003Influence of visco-elasticity of low-k dielectrics on thermo-mechanical behavior of dual damascene processcitations
- 2002Fracture toughness and adhesion energy of sol-gel coatings on glasscitations
- 2002Measuring mechanical properties of coatings : a methodology applied to nano-particle-filled sol-gel coatings on glasscitations
- 2000Determination of the elastic modulus and hardness of sol-gel coatings on glass: influence of indenter geometrycitations
- 2000The effect of friction on scratch adhesion testing : application to a sol-gel coating on polypropylenecitations
Places of action
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document
On factors affecting the extraction of elastic modulus by nanoindentation of organic polymer films
Abstract
A detailed study of nanoindentation in Continuous Stiffness Mode (CSM) on a family of aromatic thermosetting polymers is carried out to identify the causes for the large variability in the extracted values of the elastic modulus of organic polymer films. It is shown that the variation of parameters determining the dynamics of the force application such as the CSM frequency, the actual strain or load rate, and the duration of the waiting time segments can lead up to 20% difference in the estimated elastic modulus. The reason for this is related to creep, more specifically to viscoelastic behaviour, typical of organic films. On the other hand, pile-up is shown to have a negligible effect on the extraction of the elastic modulus from indentation depths below 50% of the film thickness, even for films with hardness as low as 0.13GPa. It is also concluded that neither pile-up nor creep phenomena can account for the overestimation of the elastic modulus with nanoindentation as compared to the values extracted with the surface acoustic waves technique.