Description
- Abstract:
- Over the past decades, the mechanical behavior of biological material has had a profound effect on research into human tissues and the development of medical devices. Studies from macrostructures to nanostructures of biological materials have been investigated. Experimental tools have been used to explore these mechanical properties. Soft material is one of the most widely found biological materials in nature. Understanding the mechanical behavior of soft material is important in order to develop cell mechanics and clinical devices. This thesis investigates the mechanical behavior of polydimethylsiloxane (PDMS) under large deformation by conducting deep indentation contact experiments. We use a long thin indenter to indent into three different PDMS samples to explore their strain behaviors under large deformation. We find the relationship between the loading force and the deformation of PDMS. A hysteresis is also found between the loading process and the unloading process. Three potential factors of viscoelasticity, friction and surface roughness are discussed.
- Notes:
- Thesis (Sc. M.)--Brown University, 2017
Access Conditions
- Rights
- In Copyright
- Restrictions on Use
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Citation
Yang, Jianzhe,
"Deep indentation contact experiments with nonlinear model fitting"
(2017).
Mechanics of Solids Theses and Dissertations.
Brown Digital Repository. Brown University Library.
https://doi.org/10.7301/Z0MK6BCV
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Mechanics of Solids Theses and Dissertations
Theses and Dissertations for the Mechanics of Solids department....