Abstract
The current status of research and development on laser shock processing of metals, also known as laser peening, using Q-switched high power lasers is reviewed. The influence of processing parameters on the laser-induced shock waves in metal components are discussed and analyzed. Special attention is paid to the residual stresses and improved fatigue performance from laser peening, which are compared with conventional shot peening results. Modification of microstructure, surface morphology, hardness, and strength by laser peening is also discussed. Finally, applications of laser peening are addressed. Results to date indicate that laser peening has great potential as a means of improving the mechanical performance of components.
| Original language | English |
|---|---|
| Pages (from-to) | 1021-1036 |
| Number of pages | 16 |
| Journal | International Journal of Fatigue |
| Volume | 24 |
| Issue number | 10 |
| DOIs | |
| Publication status | Published - Oct 2002 |
| Externally published | Yes |
Keywords
- Fatigue
- Laser peening
- Laser shock processing
- Microstructure
- Morphology
- Residual stress
ASJC Scopus subject areas
- Modelling and Simulation
- General Materials Science
- Mechanics of Materials
- Mechanical Engineering
- Industrial and Manufacturing Engineering