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Micro-Indentation and Inverse Analysis to Characterize Elastic-Plastic Graded Materials

Published

Author(s)

Y Gu, T Nakamura, L Prchlik, S Sampath, Jay S. Wallace

Abstract

Properties of a graded material were characterized with a procedure based on an inverse analysis. This inverse analysis procedure utilizes experimental records obtained from instrumented micro-indentation measurements and extracts key properties of indented specimen through a Kalman filter technique. It enables determination of the compositional profile and the effective mechanical properties without resorting to complex experimental measurements. The graded specimens that were evaluated were fabricated by plasma spray deposition with controlled PSZ and NiCrAlY powder feed and possessed varying elastic-plastic properties through the thickness.
Citation
Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing
Volume
345
Issue
No. 1-2

Keywords

elastic-plastic material properties, FGM, graded materials (FGM), inverse analysis, Kalman filter, micro-indentation, plasma sprayed coatings, thermal barrier coatings

Citation

Gu, Y. , Nakamura, T. , Prchlik, L. , Sampath, S. and Wallace, J. (2003), Micro-Indentation and Inverse Analysis to Characterize Elastic-Plastic Graded Materials, Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing (Accessed February 29, 2024)
Created February 28, 2003, Updated October 12, 2021