Mutual consistency of hardness testing at micro- and nanometer scales
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Alexey Useinov
Abstract
To a considerable degree hardness is an empirical value which depends on many details involved in the measuring process. In the present work, hardness values were measured in the depth range 2 – 800 nm using microhardness, nanoindentation and scratch hardness tests on fused silica, steel and sapphire. It is shown that overestimation of hardness values for steel and sapphire with the nanoindentation method can be directly related to the relative height of pile-ups observed on the topography image of the indentation imprint. It is also shown that the scratch hardness test is a promising technique for nanoscaled hardness measurements.
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© 2009, Carl Hanser Verlag, München
Articles in the same Issue
- Contents
- Contents
- Feature
- Intermolecular slip mechanism in tropocollagen nanofibrils
- Basic
- Identification of model parameters from elastic/elasto-plastic spherical indentation
- Penetration of a pyramid indenter into a multilayer coating
- Nanoindentation of pseudoelastic NiTi shape memory alloys: Thermomechanical and microstructural aspects
- Analysis of nanoindentation curves in the case of bulk amorphous polymers
- Effect of indenter shapes on inverse materials characterization based on the dual indenters method
- Applied
- Creep properties from indentation tests by analytical and numerical techniques
- Analysis of nanoindentation and nanoscratch experiments of thin amorphous carbon coatings and multilayers: friction, wear and elastic – plastic deformation
- Mutual consistency of hardness testing at micro- and nanometer scales
- Friction and adhesion of carbon nanotube brushes
- Mechanical testing of single yeast cells in liquid environment: Effect of the extracellular osmotic conditions on the failure behavior
- UFG and nanocrystalline microstructures produced by hydrostatic extrusion of multifilament wires
- In-situ high temperature microstructural analysis during tempering of 42CrMo4 using transmission electron microscopy
- Mixing enthalpies in Ag–Ca, Ag–Eu and Ag–Yb liquid alloys
- Dilatometry revealing Si precipitation in Al–Si-alloys
- Notifications
- DGM News
Articles in the same Issue
- Contents
- Contents
- Feature
- Intermolecular slip mechanism in tropocollagen nanofibrils
- Basic
- Identification of model parameters from elastic/elasto-plastic spherical indentation
- Penetration of a pyramid indenter into a multilayer coating
- Nanoindentation of pseudoelastic NiTi shape memory alloys: Thermomechanical and microstructural aspects
- Analysis of nanoindentation curves in the case of bulk amorphous polymers
- Effect of indenter shapes on inverse materials characterization based on the dual indenters method
- Applied
- Creep properties from indentation tests by analytical and numerical techniques
- Analysis of nanoindentation and nanoscratch experiments of thin amorphous carbon coatings and multilayers: friction, wear and elastic – plastic deformation
- Mutual consistency of hardness testing at micro- and nanometer scales
- Friction and adhesion of carbon nanotube brushes
- Mechanical testing of single yeast cells in liquid environment: Effect of the extracellular osmotic conditions on the failure behavior
- UFG and nanocrystalline microstructures produced by hydrostatic extrusion of multifilament wires
- In-situ high temperature microstructural analysis during tempering of 42CrMo4 using transmission electron microscopy
- Mixing enthalpies in Ag–Ca, Ag–Eu and Ag–Yb liquid alloys
- Dilatometry revealing Si precipitation in Al–Si-alloys
- Notifications
- DGM News
