Nanoindentation of viscoelastic solids: A critical assessment of experimental methods
Document Type
Article
Publication Date
12-2015
Department
Department of Materials Science and Engineering
Abstract
The viscoelastic functions measured by nanoindentation (or atomic force microscopy), are coupled in complex ways to the measurement system's time constants, phase shifts created by the instrument's electronics, the actuator's dynamics, the instrument's load frame stiffness and requisite modeling assumptions. The ways in which these factors potentially affect the load, displacement, phase angle, stiffness and damping data are discussed in the context of nanoindentation experiments performed in the time and frequency domains. By drawing attention to these potential sources of experimental error, the objective is to motivate experimental verification in a manner that will enhance accuracy and, thus, enable future breakthroughs in the application of nanoindentation to viscoelastic solids.
Publication Title
Current Opinion in Solid State and Materials Science
Recommended Citation
Herbert, E. G.,
Sudharshan Phani, P.,
&
Johanns, K.
(2015).
Nanoindentation of viscoelastic solids: A critical assessment of experimental methods.
Current Opinion in Solid State and Materials Science,
19(6), 334-339.
http://doi.org/10.1016/j.cossms.2014.12.006
Retrieved from: https://digitalcommons.mtu.edu/michigantech-p/6250