Title :
Laser processing to improve residual surface stress of metal components
Author :
Sano, Y. ; Mukai, N. ; Aoki, N. ; Konagai, C.
Author_Institution :
Nucl. Eng. Lab., Toshiba Corp., Yokohama, Japan
Abstract :
Laser processing of water-immersed material has been developed to improve the residual surface stress of metal components. The process changes the stress field from tensile to compressive through irradiation by a frequency-doubled YAG laser or copper vapor laser (CVL).
Keywords :
internal stresses; laser materials processing; metals; stress relaxation; surface treatment; Cu; YAG; YAl5O12; compressive stress; copper vapor laser; frequency-doubled YAG laser; laser processing; metal components; residual surface stress; stress field; tensile stress; water-immersed material; Compressive stress; Copper; Frequency; Laser transitions; Optical pulses; Plasma waves; Residual stresses; Surface emitting lasers; Tensile stress; Testing;
Conference_Titel :
Advanced Applications of Lasers in Materials Processing/Broadband Optical Networks/Smart Pixels/Optical MEMs and Their Applications. IEEE/LEOS 1996 Summer Topical Meetings:
Conference_Location :
Keystone, CO, USA
Print_ISBN :
0-7803-3175-3
DOI :
10.1109/LEOSST.1996.540665
