High-throughput laser peening of metals using a high-average-power Nd:glass laser system

C. Brent Dane; Lloyd A. Hackel; John M. Halpin; James Daly; James Harrisson; Fritz B. Harris Jr.

doi:10.1117/12.375187

14 January 2000 High-throughput laser peening of metals using a high-average-power Nd:glass laser system

C. Brent Dane, Lloyd A. Hackel, John M. Halpin, James Daly, James Harrisson, Fritz B. Harris Jr.

Proceedings Volume 3887, High-Power Lasers in Civil Engineering and Architecture; (2000) https://doi.org/10.1117/12.375187
Event: Advanced High-Power Lasers and Applications, 1999, Osaka, Japan

Abstract

Laser shot peening, a surface treatment for metals, is known to induce residual compressive stresses to depths over 1 mm providing improved component resistance to various forms of failure. Recent information also suggests that thermal relaxation of the laser induced stress is significantly less than that experienced by other forms of surface stressing that involve significantly higher levels of cold work. We have developed a unique solid state laser technology employing Nd:glass amplifier slabs and SBS phase conjugation that enables this process to move into high throughput production processing.

Citation Download Citation

C. Brent Dane, Lloyd A. Hackel, John M. Halpin, James Daly, James Harrisson, and Fritz B. Harris Jr. "High-throughput laser peening of metals using a high-average-power Nd:glass laser system", Proc. SPIE 3887, High-Power Lasers in Civil Engineering and Architecture, (14 January 2000); https://doi.org/10.1117/12.375187

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