Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/51652
Title: Studying visco-plasticity of amorphous polymers by indentation tests
Authors: Zhang, C.Y.
Zhang, Y.W. 
Zeng, K.Y. 
Shen, L.
Keywords: Constitutive model
Nanoindentation
Plasticity
Polymer
Viscoelastic
Issue Date: 2007
Citation: Zhang, C.Y.,Zhang, Y.W.,Zeng, K.Y.,Shen, L. (2007). Studying visco-plasticity of amorphous polymers by indentation tests. Solid Mechanics and its Applications 144 : 229-238. ScholarBank@NUS Repository.
Abstract: A constitutive model for thermoplastic polymeric materials and its finite element implementation are presented. A five-step indentation scheme was formulated to extract a complete list of the parameters in the constitutive model. Indentation tests on polymethylmethacrylate (PMMA), following the five-step and other schemes, were performed. The experimental data using the five-step scheme were used to extract all the parameters in the model. The extracted parameters were then used to predict the other experimental results. Good agreements between the experimental results and model prediction indicate that the five-step indentation scheme is a practical approach to determine the mechanical properties of thermoplastic polymers. © 2007 Springer.
Source Title: Solid Mechanics and its Applications
URI: http://scholarbank.nus.edu.sg/handle/10635/51652
ISBN: 1402056230
ISSN: 18753507
Appears in Collections:Staff Publications

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