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|Title:||Material characterization based on dual indenters||Authors:||Swaddiwudhipong, S.
Finite element analysis
|Issue Date:||Jan-2005||Citation:||Swaddiwudhipong, S., Tho, K.K., Liu, Z.S., Zeng, K. (2005-01). Material characterization based on dual indenters. International Journal of Solids and Structures 42 (1) : 69-83. ScholarBank@NUS Repository. https://doi.org/10.1016/j.ijsolstr.2004.07.027||Abstract:||Extensive large strain-large deformation finite element analyses were carried out to investigate the response of elasto-plastic materials obeying power law-strain hardening during the loading and unloading process of instrumented indentation with conical indenters of different apex angles. The relationships between the characteristics of the indentation load-displacement curves and the elasto-plastic material properties were computationally established. A reverse analysis algorithm based on load-displacement curves obtained from dual indenters was presented. It was demonstrated that the proposed reverse analysis algorithm can uniquely recover the elasto-plastic material properties from the load-displacement curves of two conical indenters with different apex angles. The numerical results obtained are in good agreement with published values. © 2004 Elsevier Ltd. All rights reserved.||Source Title:||International Journal of Solids and Structures||URI:||http://scholarbank.nus.edu.sg/handle/10635/65784||ISSN:||00207683||DOI:||10.1016/j.ijsolstr.2004.07.027|
|Appears in Collections:||Staff Publications|
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