Abstract
AISI 316L austenitic stainless steel is widely used in nuclear and chemical industries for structural components that are submitted to cyclic deformation and stresses. The influence of low temperature (~ 400 °C) plasma nitriding on the crystallographic texture and fatigue durability of 316L has been investigated. Electron back-scattering diffraction measurements show that nitriding enhances the <001> and <111> texture components while the <110> one vanishes. Series of fatigue tests carried out in air at room temperature in the low cycle fatigue range show a significant improvement of the fatigue life. Results are discussed taking into account the residual compressive stresses in the nitrided layer.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 1947-1951 |
| Number of pages | 5 |
| Journal | Surface and Coatings Technology |
| Volume | 204 |
| Issue number | 12-13 |
| DOIs | |
| State | Published - Mar 15 2010 |
| Externally published | Yes |
Keywords
- 316L stainless steel
- Fatigue life
- Lattice rotations
- Plasma nitriding
- Residual stresses
ASJC Scopus subject areas
- General Chemistry
- Condensed Matter Physics
- Surfaces and Interfaces
- Surfaces, Coatings and Films
- Materials Chemistry
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