Abstract
The nanoimpact indentation technique is an emerging characterization technique that permits measurement of dynamic properties on a small scale. This article reports results on the characterization of nanostructured and ultrafine-grained Al-Si claddings using this technique. First, it was found that with this technique, the dynamic hardness of the material also becomes independent of the load, similar to nanoidentation, which yields to the concept of the existence of a dynamic true hardness. Second, the plasticity results have been compared to a strain-gradient plasticity model and have shown to deviate from the Nix-Gao model. Finally, a comparison between H/E and DH/E ratios has shown that the DH/E ratio correlates better with dry sliding wear results obtained for this material.
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Arreguin-Zavala, J., Milligan, J., Davies, M.I. et al. Characterization of Nanostructured and Ultrafine-Grain Aluminum-Silicon Claddings using the Nanoimpact Indentation Technique. JOM 65, 763–768 (2013). https://doi.org/10.1007/s11837-013-0593-4
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DOI: https://doi.org/10.1007/s11837-013-0593-4