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| Content Provider | Springer Nature Link |
|---|---|
| Author | Zhao, J. Knauss, W.G. Ravichandran, G. |
| Copyright Year | 2008 |
| Abstract | A new design of the shear compression specimen (SCS) for investigating the viscoelastic shear response of polymers is presented. The specimen consists of a polymer gage section with two metal ends that remain essentially rigid during deformation. Two closed-form analytic models are developed to predict the average stress and strain in the gage section from the deformation-load histories. This new SCS design and its analytic models are thoroughly evaluated via laboratory measurements and numerical simulations. These simulations show that the deformations in the gage section are more uniform than in the original design, and the distribution of the average shear stress and strain are highly homogenous. The simulation results yield good agreement with those of closed-form analytic results and the experiments demonstrate that the new SCS geometry and its analytic models are as reliable as other commonly employed specimens. It can also generate higher strain rates under usual loading conditions because of its smaller specimen gage length. The need for care in specimen preparation is also discussed in detail as illuminated by the experimental and simulation results. |
| Starting Page | 427 |
| Ending Page | 436 |
| Page Count | 10 |
| File Format | |
| ISSN | 00144851 |
| Journal | Experimental Mechanics |
| Volume Number | 49 |
| Issue Number | 3 |
| e-ISSN | 17412765 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2008-09-16 |
| Publisher Place | Boston |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Shear compression specimen (SCS) Polymer Strain rate Thermorheological behavior Mechanics Vibration, Dynamical Systems, Control Structural Mechanics Applied Optics, Optoelectronics, Optical Devices Characterization and Evaluation of Materials Continuum Mechanics and Mechanics of Materials |
| Content Type | Text |
| Resource Type | Article |
| Subject | Mechanics of Materials Mechanical Engineering Aerospace Engineering |
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