Abstract
This paper presents a convenient method which is referred to as "Revised Step-Hold" method for determination of shear creep compliance of linear viscoelastic-plastic solids using instrumented indentation. Its main idea is using the revised load-depth curve which does not contain plastic deformation to determine the shear creep compliance instead of using the measured load-depth curve. The revised load-depth curve can be obtained through a three-step procedure. Applications are illustrated on two typical viscoelastic-plastic solids, namely PMMA and UPVC. The shear creep compliance of PMMA and UPVC determined by the revised step-hold method has satisfactorily good agreement with the corresponding uniaxial tensile result. Therefore, it demonstrates that the revised step-hold method is a reliable method for determination of shear creep compliance of linear viscoelastic-plastic solids.
| Original language | English |
|---|---|
| Pages (from-to) | 1038-1044 |
| Number of pages | 7 |
| Journal | Polymer Testing |
| Volume | 31 |
| Issue number | 8 |
| DOIs | |
| State | Published - Dec 2012 |
| Externally published | Yes |
Keywords
- Creep compliance
- Instrumented indentation
- PMMA
- UPVC
- Viscoelasticity
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