Abstract

Illumination of a laser melt pool simultaneously with focused and diffused argon-ion laser light is found to provide a greatly improved image of the molten surface.

© 1990 Optical Society of America

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References

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  1. C. R. Heiple, J. R. Roper, “Mechanism for Minor Element Effect on GTA Fusion Zone Geometry,” Weld. J. 61, 97s–102s (1982).
  2. M. L. Lin, T. W. Eager, “Influence of Surface Depression and Convection on Arc Weld Pool Geometry,” Transport Phenomena in Materials Processing, ASME PED 1063–69 (Nov.1983).
  3. M. L. Lin, T. W. Eager, “Influence of Arc Pressure on Weld Pool Geometry,” Weld. J. 64, 163s–169s (1985).
  4. Y. Arata, N. Abe, T. Oda, “Fundamental Phenomena in High Power CO2 Laser (Report II),” Trans. JWRI 14(2), 17–22 (1985).
  5. L. D. Reynolds, J. F. Key, “High-Speed Cinematography of Gas-Tungsten Arc Welding—Theory and Application,” Report EGG-FM-5051, EG&G Idaho, Inc., Idaho Falls (1981).
  6. E. W. Kim, C. Allemand, T. W. Eager, “Visible Light Emissions During Gas Tungsten Arc Welding and Its Application to Weld Image Improvement,” Weld. J. 66, 369s–377s (1987).
  7. S. S. Glickstein, “TV Monitoring of Arc Welding Using a Laser Light Source,” Report WAPD-T-2900, Westinghouse Electric Corp., Bettis Atomic Power Laboratory, West Mifflin, PA (1988).

1987 (1)

E. W. Kim, C. Allemand, T. W. Eager, “Visible Light Emissions During Gas Tungsten Arc Welding and Its Application to Weld Image Improvement,” Weld. J. 66, 369s–377s (1987).

1985 (2)

M. L. Lin, T. W. Eager, “Influence of Arc Pressure on Weld Pool Geometry,” Weld. J. 64, 163s–169s (1985).

Y. Arata, N. Abe, T. Oda, “Fundamental Phenomena in High Power CO2 Laser (Report II),” Trans. JWRI 14(2), 17–22 (1985).

1983 (1)

M. L. Lin, T. W. Eager, “Influence of Surface Depression and Convection on Arc Weld Pool Geometry,” Transport Phenomena in Materials Processing, ASME PED 1063–69 (Nov.1983).

1982 (1)

C. R. Heiple, J. R. Roper, “Mechanism for Minor Element Effect on GTA Fusion Zone Geometry,” Weld. J. 61, 97s–102s (1982).

Abe, N.

Y. Arata, N. Abe, T. Oda, “Fundamental Phenomena in High Power CO2 Laser (Report II),” Trans. JWRI 14(2), 17–22 (1985).

Allemand, C.

E. W. Kim, C. Allemand, T. W. Eager, “Visible Light Emissions During Gas Tungsten Arc Welding and Its Application to Weld Image Improvement,” Weld. J. 66, 369s–377s (1987).

Arata, Y.

Y. Arata, N. Abe, T. Oda, “Fundamental Phenomena in High Power CO2 Laser (Report II),” Trans. JWRI 14(2), 17–22 (1985).

Eager, T. W.

E. W. Kim, C. Allemand, T. W. Eager, “Visible Light Emissions During Gas Tungsten Arc Welding and Its Application to Weld Image Improvement,” Weld. J. 66, 369s–377s (1987).

M. L. Lin, T. W. Eager, “Influence of Arc Pressure on Weld Pool Geometry,” Weld. J. 64, 163s–169s (1985).

M. L. Lin, T. W. Eager, “Influence of Surface Depression and Convection on Arc Weld Pool Geometry,” Transport Phenomena in Materials Processing, ASME PED 1063–69 (Nov.1983).

Glickstein, S. S.

S. S. Glickstein, “TV Monitoring of Arc Welding Using a Laser Light Source,” Report WAPD-T-2900, Westinghouse Electric Corp., Bettis Atomic Power Laboratory, West Mifflin, PA (1988).

Heiple, C. R.

C. R. Heiple, J. R. Roper, “Mechanism for Minor Element Effect on GTA Fusion Zone Geometry,” Weld. J. 61, 97s–102s (1982).

Key, J. F.

L. D. Reynolds, J. F. Key, “High-Speed Cinematography of Gas-Tungsten Arc Welding—Theory and Application,” Report EGG-FM-5051, EG&G Idaho, Inc., Idaho Falls (1981).

Kim, E. W.

E. W. Kim, C. Allemand, T. W. Eager, “Visible Light Emissions During Gas Tungsten Arc Welding and Its Application to Weld Image Improvement,” Weld. J. 66, 369s–377s (1987).

Lin, M. L.

M. L. Lin, T. W. Eager, “Influence of Arc Pressure on Weld Pool Geometry,” Weld. J. 64, 163s–169s (1985).

M. L. Lin, T. W. Eager, “Influence of Surface Depression and Convection on Arc Weld Pool Geometry,” Transport Phenomena in Materials Processing, ASME PED 1063–69 (Nov.1983).

Oda, T.

Y. Arata, N. Abe, T. Oda, “Fundamental Phenomena in High Power CO2 Laser (Report II),” Trans. JWRI 14(2), 17–22 (1985).

Reynolds, L. D.

L. D. Reynolds, J. F. Key, “High-Speed Cinematography of Gas-Tungsten Arc Welding—Theory and Application,” Report EGG-FM-5051, EG&G Idaho, Inc., Idaho Falls (1981).

Roper, J. R.

C. R. Heiple, J. R. Roper, “Mechanism for Minor Element Effect on GTA Fusion Zone Geometry,” Weld. J. 61, 97s–102s (1982).

Trans. JWRI (1)

Y. Arata, N. Abe, T. Oda, “Fundamental Phenomena in High Power CO2 Laser (Report II),” Trans. JWRI 14(2), 17–22 (1985).

Transport Phenomena in Materials Processing, ASME PED (1)

M. L. Lin, T. W. Eager, “Influence of Surface Depression and Convection on Arc Weld Pool Geometry,” Transport Phenomena in Materials Processing, ASME PED 1063–69 (Nov.1983).

Weld. J. (3)

M. L. Lin, T. W. Eager, “Influence of Arc Pressure on Weld Pool Geometry,” Weld. J. 64, 163s–169s (1985).

E. W. Kim, C. Allemand, T. W. Eager, “Visible Light Emissions During Gas Tungsten Arc Welding and Its Application to Weld Image Improvement,” Weld. J. 66, 369s–377s (1987).

C. R. Heiple, J. R. Roper, “Mechanism for Minor Element Effect on GTA Fusion Zone Geometry,” Weld. J. 61, 97s–102s (1982).

Other (2)

S. S. Glickstein, “TV Monitoring of Arc Welding Using a Laser Light Source,” Report WAPD-T-2900, Westinghouse Electric Corp., Bettis Atomic Power Laboratory, West Mifflin, PA (1988).

L. D. Reynolds, J. F. Key, “High-Speed Cinematography of Gas-Tungsten Arc Welding—Theory and Application,” Report EGG-FM-5051, EG&G Idaho, Inc., Idaho Falls (1981).

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Figures (4)

Fig. 1
Fig. 1

Schematic of the system to view the melt pool.

Fig. 2
Fig. 2

Steel melt pool created with a CO2 laser and illuminated with both diffused and focused argon-ion laser light.

Fig. 3
Fig. 3

Melt pool with diffused argon laser illumination but no focused illumination.

Fig. 4
Fig. 4

Melt pool with focused argon laser beam illumination but no diffused illumination.

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