Identification of the micro-plasticity mechanisms at the origin of self-heating under cyclic loading with low stress amplitude
| Autor: | Rémi Munier, Bastien Weber, Sylvain Calloch, Cédric Doudard |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Materials science
Scanning electron microscope Mechanical Engineering Alloy 02 engineering and technology Plasticity engineering.material 021001 nanoscience & nanotechnology Industrial and Manufacturing Engineering law.invention Stress (mechanics) Crystallography 020303 mechanical engineering & transports Amplitude 0203 mechanical engineering Magazine Optical microscope Mechanics of Materials law Modeling and Simulation engineering General Materials Science Composite material 0210 nano-technology Electron backscatter diffraction |
| Zdroj: | International Journal of Fatigue. 103:122-135 |
| ISSN: | 0142-1123 |
| DOI: | 10.1016/j.ijfatigue.2017.05.027 |
| Popis: | The aim of the present work is to study the mechanisms at the origin of the two self-heating regimes under cyclic loading observed for stress amplitudes lower than the conventional yield stress. To achieve this objective, several different and complementary microscopic observation techniques have been performed: optical microscopy, Scanning Electron Microscopy (SEM) and Atomic Force Microscopy observations and Electron BackScatter Diffraction (EBSD) measurements have been carried out on the surface of several specimens after cyclic loading. All the results presented hereafter have been obtained on an HSLA ( i . e ., High Strength Low Alloy) commercial steel. |
| Databáze: | OpenAIRE |
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