It is necessary to set the loading rate very low if one wants to study the dislocation transmission beneath the indentation imprint attributed to the indentation deformation. But if the maximum load is set to a very low value there must be some serious indentation size effect. Choosing a moderately higher load in combination with a very low loading rate makes the whole process enormously time-consuming. So the question is how to optimize these two parameters i.e. load and loading rate so that the dislocation transmission can be studied engaging less time but avoiding indentation size effect. Please suggest.
Kind Mr. Arka Mandal,
I think you could find interesting the following paper:
-Nanomechanical properties and nanoscale deformation of engineering metals and alloys
C.Charitidis
In Materials and Surface Engineering Research and Development
Woodhead Publishing Reviews: Mechanical Engineering Series 2012, Pages 23-59
Available at: https://www.sciencedirect.com/science/article/pii/B978085709151250002X
Best regards, Pierluigi Traverso
I suggest this paper
https://www.sciencedirect.com/science/article/pii/B978085709151250002X
Dear Arka Mandal, if you have access to AFM, it is the best technique suited for such test. Additional information available following these links and attached two Books for the same Author and other interesting documents. My Regards
https://www.researchgate.net/publication/236668011_A_study_on_time_dependent_properties_of_aluminum_alloy_by_nanoindentation_technique
https://www.researchgate.net/publication/221850163_Nanoscale_elastic_modulus_of_single_horizontal_ZnO_nanorod_using_nanoindentation_experiment
https://link.springer.com/chapter/10.1007%2F0-387-22651-6_9
https://www.nanoscience.com/techniques/nanoindentation/nanoindentation-methods/
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