On the pressure dependence of the indentation modulus
-
B. Wolf
and
M. Göken
Abstract
The influence of the pressure distribution beneath a spherical indenter onto the resulting penetration depth and consequently its impact onto the derived apparent indentation modulus has been modelled theoretically. It turns out that the pressure distribution has the same effect as a constant hydrostatic pressure of one half of the contact pressure within the entire sample. The effect is particularly important in situations of high contact pressure as during elastic indentation loading before the occurrence of the first popin. Furthermore, for all materials with a high ratio between hardness and elastic modulus the indentation modulus should differ from the “zero-pressure elastic modulus” in an experimentally verifiable way. A quantitative assessment delivers a possible increase up to 15 %.
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© 2005 Carl Hanser Verlag, München
Articles in the same Issue
- Frontmatter
- Editorial
- nanomech 5
- Articles Basic
- Quantitative evaluation of nanoindents: Do we need more reliable mechanical parameters for the characterization of materials?
- Nanoindentation investigation of solid-solution strengthening in III-V semiconductor alloys
- Comparison between conventional Vickers hardness and indentation hardness obtained with different instruments
- On the pressure dependence of the indentation modulus
- A review on the reverse analysis for the extraction of mechanical properties using instrumented Vickers indentation
- Articles Applied
- Quasi-static and dynamic depth-sensing indentation measurements to characterize wear and mar resistance of coating–polymer systems
- Obtaining mechanical parameters for metallisation stress sensor design using nanoindentation
- Direct measurement of nanoindentation area function by metrological AFM
- A usable concept for the indentation of thin porous films
- Analysis of the ductile/brittle transition during a scratch test performed into polymeric film deposited on a PMMA substrate
- Nanomechanical and nanotribological properties of polymeric ultrathin films for nanoimprint lithography
- Adhesive and nanomechanical properties of polymeric films deposited on silicon
- Modelling of the nanoindentation process of ultrathin films
- Regular articles
- Experimental investigation and thermodynamic calculation in the Al–Be–Si ternary system
- Thermodynamic assessment of the Ca–Sn system
- Interfacial reaction between Cu and Ti2SnC during processing of Cu–Ti2SnC composite
- Effects of heat treatment on the lubricated sliding wear behaviour of zinc-based alloy containing nickel under varying test conditions
- Influence of Ce, K, and Na on spheroidization of eutectic carbides in low-tungsten white cast iron
- Notifications/Mitteilungen
- Personal/Personelles
- Press/Presse
Articles in the same Issue
- Frontmatter
- Editorial
- nanomech 5
- Articles Basic
- Quantitative evaluation of nanoindents: Do we need more reliable mechanical parameters for the characterization of materials?
- Nanoindentation investigation of solid-solution strengthening in III-V semiconductor alloys
- Comparison between conventional Vickers hardness and indentation hardness obtained with different instruments
- On the pressure dependence of the indentation modulus
- A review on the reverse analysis for the extraction of mechanical properties using instrumented Vickers indentation
- Articles Applied
- Quasi-static and dynamic depth-sensing indentation measurements to characterize wear and mar resistance of coating–polymer systems
- Obtaining mechanical parameters for metallisation stress sensor design using nanoindentation
- Direct measurement of nanoindentation area function by metrological AFM
- A usable concept for the indentation of thin porous films
- Analysis of the ductile/brittle transition during a scratch test performed into polymeric film deposited on a PMMA substrate
- Nanomechanical and nanotribological properties of polymeric ultrathin films for nanoimprint lithography
- Adhesive and nanomechanical properties of polymeric films deposited on silicon
- Modelling of the nanoindentation process of ultrathin films
- Regular articles
- Experimental investigation and thermodynamic calculation in the Al–Be–Si ternary system
- Thermodynamic assessment of the Ca–Sn system
- Interfacial reaction between Cu and Ti2SnC during processing of Cu–Ti2SnC composite
- Effects of heat treatment on the lubricated sliding wear behaviour of zinc-based alloy containing nickel under varying test conditions
- Influence of Ce, K, and Na on spheroidization of eutectic carbides in low-tungsten white cast iron
- Notifications/Mitteilungen
- Personal/Personelles
- Press/Presse
