A Novel Approach for Monitoring Plastic Flow Localization during In-Situ Sem Testing of Small-Scale Samples
| Autor: | Demircan Canadinc, Anja Weidner, M. Mirzajanzadeh, Thomas Niendorf |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
In situ
Materials science Scale (ratio) Scanning electron microscope Mechanical Engineering 02 engineering and technology Symmetry line Deformation (meteorology) Plasticity 021001 nanoscience & nanotechnology 020303 mechanical engineering & transports 0203 mechanical engineering Mechanics of Materials Forensic engineering Composite material 0210 nano-technology Test sample Tensile testing |
| Zdroj: | Experimental Techniques. 42:177-189 |
| ISSN: | 1747-1567 0732-8818 |
| DOI: | 10.1007/s40799-017-0212-3 |
| Popis: | A novel method is proposed for monitoring the plastic flow localization during in-situ scanning electron microscopy (SEM) testing of small-scale AISI 316 L stainless steel. Stress-strain behavior of the material was obtained using a hybrid numerical-experimental (HNE) approach. By repeatedly illustrating each pair of sequentially taken SEM surface images throughout the deformation history in alternating order in form of a video, location of the material points which are not moving during the deformation can be detected. At the initial stages of deformation these points are located on the geometrical symmetry line of the test sample, however; when uniform straining limit of the material is reached, the locations of the stationary material points reveal the plastic localization regions. The current results clearly prove the feasibility of the presented method in monitoring primary plastic localization events through in-situ SEM tensile testing. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Full text from SpringerLink