Getting accurate nanoindentation data from time-dependent and microstructural effects of zinc
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Abstract
The main objective of this study was obtaining accurate data from nanoindentation experiments on zinc. Nanoindentation experiments can be performed under displacement control, load control, or open loop conditions at different loading/unloading rates. All the above control schemes and range of loading rates were used to test pure zinc samples with different surface preparation using a Hysitron Triboindenter fitted with a blunt Berkovich indenter. The results showed that displacement control with a high loading/unloading rate gave the most reliable results. However, because of the anisotropy of zinc and its large grain size the material should be considered as a single crystal on the scale of the impression generated. It has been found that using the feedback control of nanoindentation experiments can give a significant improvement in the results compared to open loop control due to the time-dependent behaviour of zinc. A full factorial design of experiments approach was performed to investigate the optimum combination of the feedback parameters to obtain accurate and reliable data for the hardness and Young's modulus of zinc.
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© 2007, Carl Hanser Verlag, München
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- Notifications
- DGM News
Articles in the same Issue
- Contents
- Contents
- Editorial
- Editorial
- Basic
- Getting accurate nanoindentation data from time-dependent and microstructural effects of zinc
- Indentation-induced densification of soda-lime silicate glass
- Nanomechanical characterization of relaxation processes in As–S chalcogenide glasses
- Nanoindentation behavior and mechanical properties measurement of polymeric materials
- Model of a superlattice indentation
- Nanomechanical studies of MEMS structures
- Mechanical properties of nanostructured polymer particles for anisotropic conductive adhesives
- Nanomechanical studies of ultrathin polymeric resist films
- Testing the viscoelastic properties of SU8 photo resist thin films at different stages of processing by nanoindentation creep and stress relaxation
- Microscale characterization of bitumen – back-analysis of viscoelastic properties by means of nanoindentation
- Applied
- Visco-elastic properties of thin nylon films using multi-cycling nanoindentation
- Area function calibration in nanoindentation using the hardness instead of Young's modulus of fused silica as a reference value
- Multiscale modelling of nanoindentation
- Unusual architecture of the exceedingly tough Macadamia “nut”-shell as revealed by atomic force microscopy and nanomechanics
- Notifications
- DGM News