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Extracting uniaxial responses of single crystals from sharp and spherical hardness measurements

Author
Alcala, J.; Esque, D.; Ocenásek, J.
Type of activity
Journal article
Journal
Mechanics of materials
Date of publication
2015-05-01
Volume
84
First page
100
Last page
113
DOI
https://doi.org/10.1016/j.mechmat.2015.01.008 Open in new window
Project funding
Modelización multiescala de los ensayos de nanoindentación: desde la dinámica molecular hasta la mecánica del continuo
Repository
http://hdl.handle.net/2117/76848 Open in new window
URL
http://www.sciencedirect.com/science/article/pii/S0167663615000150 Open in new window
Abstract
This investigation provides a mechanistic background to mechanical property extractions performed from single-crystal microhardness measurements. The analysis concerns both spherical and sharp (pyramidal) indentations. We show that the uniaxial stress-strain curves inferred from hardness measurements in single crystalline units of material are coincidental with those attained under true uniaxial loadings along specific crystalline orientations. Landmark hardness relations that were originally de...
Citation
Alcala, J., Esque, D., Ocenásek, J. Extracting uniaxial responses of single crystals from sharp and spherical hardness measurements. "Mechanics of materials", 01 Maig 2015, p. 100-113.
Keywords
Contact mechanics, Crystal plasticity, Hardness, Indentation, contact, copper, deformation, dislocation densities, mechanical property extractions, micromechanics, nanoindentation, pyramidal indentation, size, strain
Group of research
InSup - Surface Interaction in Bioengineering and Materials Science Research Group

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