Results 201 to 210 of about 596 (253)
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Instrumented nanoindentation in musculoskeletal research
Progress in Biophysics and Molecular Biology, 2022Musculoskeletal tissues, such as bone, cartilage, and muscle, are natural composite materials that are constructed with a hierarchical structure ranging from the cell to tissue level. The component differences and structural complexity, together, require comprehensive multiscale mechanical characterization.
Shaopeng Pei +6 more
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The Effect of Roughness on Nanoindentation Results [PDF]
Nanoscience and Nanotechnology Letters, 2013 Instrumented Indentation Technique (IIT) or nanoindentation is widely used to measure mechanical properties on nano to macro scales. Due to the simple testing procedure and the continuously increasing sensor sensitivity there exists practically no limitation on application scale and specimen size.
Nagy, Peter +5 more
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Nanoindentation of dental composites
Journal of Biomedical Materials Research Part B: Applied Biomaterials, 2005AbstractThe intent of this project was to evaluate the elastic modulus and hardness of four composites with different fillers, a microfill, a hybrid, a dental resin cement, and a fiber filler, using nanoindentation. An indentation load of 0.001 N was used and 100 indents per specimen were taken. The elastic modulus measured for the Choice composite was
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Journal of Materials Research, 2006
Piezoelectric nanoindentation (PNI) has been developed to quantitatively address electromechanical coupling and pressure-induced dynamic phenomena in ferroelectric materials on the nanoscale. In PNI, an oscillating voltage is applied between the back side of the sample and the indenter tip, and the first harmonic of bias-induced surface displacement at
Andrei Rar +4 more
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Piezoelectric nanoindentation (PNI) has been developed to quantitatively address electromechanical coupling and pressure-induced dynamic phenomena in ferroelectric materials on the nanoscale. In PNI, an oscillating voltage is applied between the back side of the sample and the indenter tip, and the first harmonic of bias-induced surface displacement at
Andrei Rar +4 more
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Meccanica, 2011
This present work focuses on the surface characterization of reactor-thermoplastic-polyolefin copolymers (R-TPO) for automotive applications to deduce an appropriate parameter as a measure of the surface stickiness behavior. Therefore, nanoindentation experiments are performed and the well-known mechanical contact properties have been determined ...
Umut D. Cakmak +2 more
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This present work focuses on the surface characterization of reactor-thermoplastic-polyolefin copolymers (R-TPO) for automotive applications to deduce an appropriate parameter as a measure of the surface stickiness behavior. Therefore, nanoindentation experiments are performed and the well-known mechanical contact properties have been determined ...
Umut D. Cakmak +2 more
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The Calibration of the Nanoindenter
MRS Proceedings, 1993The nanoindenter has a tremendous potential for the measurement of mechanical properties of thin films and coatings. Information can be obtained about plastic, elastic and time dependent deformation behaviour. In some cases fracture behaviour of the coatings and the adhesion of the coating to the substrate can also be investigated.Before accurate and ...
N J Mccormick, M G Gee, D J Hall
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Time-Dependent Nanoindentation
2004In general, materials can resist deformation in a solid-like or viscous-like manner. Solid-like materials store energy under deformation, and upon removal of stress, returns to its original state. Viscous materials dissipate energy during deformation and upon removal of stress, remains in its deformed state.
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In situ TEM nanoindentation of nanoparticles
Micron, 2012The deformation behavior of nanoparticles continues to be an exciting area for materials research. Typically, nanoparticles show a conspicuous lack of dislocations, even after significant deformation. Therefore, it has been suggested that dislocations cannot exist or/do not play a role on the deformation of nanoparticles. In situ TEM nanoindentation is
C E, Carlton, P J, Ferreira
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Molecular Dynamics Simulation of Nanoindentation
2004Molecular dynamics simulations are used to investigate the nucleation and dynamics of dislocations during nanoindentation of a (111) FCC plane. The core structure around the dislocation is visualized by coloring the atoms with deviating coordination number and its Burgers vector is automatically determined.
Michielsen, K +3 more
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Journal of Physics D: Applied Physics, 2005
A range of mechanical properties of a coating/substrate system may be obtained using indentation tests, and with the emergence of continuously recording indentation testing with nanometre penetration (often called nanoindentation) the mechanical properties of very thin coatings (
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A range of mechanical properties of a coating/substrate system may be obtained using indentation tests, and with the emergence of continuously recording indentation testing with nanometre penetration (often called nanoindentation) the mechanical properties of very thin coatings (
openaire +1 more source