Young's modulus of thin films using depth-sensing indentation

A new methodology for the determination of Young's modulus of thin films, using a single hardness test measurement of film/substrate composites, has been developed. It is based on a recently proposed weight function, the reciprocal of the Gao function. Firstly, results of three-dimensional nume...

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Bibliographic Details
Published in:Philosophical magazine letters 2010-01, Vol.90 (1), p.9-22
Main Authors: Fernandes, J.V., Antunes, J.M., Sakharova, N.A., Oliveira, M.C., Menezes, L.F.
Format: Article
Language:English
Subjects:
Condensed matter: structure, mechanical and thermal properties
depth-sensing indentation
Exact sciences and technology
Hardness testing
Hardness tests
Indentation
Mathematical analysis
Mathematical models
Measurement
Mechanical and acoustical properties of condensed matter
Mechanical properties of solids
Methodology
Modulus of elasticity
Numerical analysis
numerical simulation
Physics
Simulation
Test methods
Thin films
Tribology and hardness
Weight function
Young's modulus
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Summary:A new methodology for the determination of Young's modulus of thin films, using a single hardness test measurement of film/substrate composites, has been developed. It is based on a recently proposed weight function, the reciprocal of the Gao function. Firstly, results of three-dimensional numerical simulation of the Vickers hardness tests on several fictitious composites are considered. Then, the methodology is checked experimentally by using depth-sensing indentation results on real composite materials.
ISSN:0950-0839
1362-3036
DOI:10.1080/09500830903334312