Beam focusing characteristics effect on energy reflection and absorption in a drilling or welding cavity of paraboloid of revolution

International Journal of Heat and Mass Transfer

Volumn 41, Issue 21, 1998, Pages 3299-3308

  Wei, P S ^a   Ho, C Y ^b  

^a NATIONAL SUN YAT SEN UNIVERSITY   (Taiwan)

^b Department of Internal Medicine   (Taiwan)

Author keywords

[No Author keywords available]

Indexed keywords

ENERGY ABSORPTION; MONTE CARLO METHODS; WELDING;

BEAM FOCUSING CHARACTERISTIC EFFECTS; ENERGY REFLECTION; GAUSSIAN DISTRIBUTION;

HEAT FLUX;

EID: 0032208077     PISSN: 00179310     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0017-9310(98)00036-2     Document Type: Article

References (20)

1. Adams MJ. Low voltage electron beam welding: effect of process parameters. British Welding 1968;15:134-42.
2. Adams MJ. High voltage electron beam welding-effect of process parameters. British Welding 1968;15:451-67.
3. Wei PS, Chow YT. Beam focusing characteristics and alloying element effects on high-intensity electron beam welding. Metallurgical Transactions B 1992;23B:81-90.
4. Arata Y. Plasma, Electron and Laser Beam Technology. American Society for Metals, Metals Park, Ohio, 1986, pp. 217-25.
5. Toor JS, Viskanta R. A numerical experiment of radiant heat interchange by the Monte Carlo method. International J Heat and Mass Transfer 1968; 11:883-97.
6. Wang SC, Wei PS. Energy-beam redistribution and absorption in a drilling or welding cavity. Metallurgical Transactions B 1992;23B:505-11.
7. Konkol PJ, Smith PM, Willebrand CF, Connor LP. Parameter study of electron-beam welding. Welding J 1971;50:765-76.
8. Armstrong RE. Control of spiking in partial penetration electron beam welds. Welding J 1970;49:382(s)-8(s).
9. Giedt WH. A Periodic melting model of high intensity electron beam welding. In: Rappaz M, Özgü MR, Mahin K.W, editors. Modeling of Casting, Welding, and Advanced Solidification Processes - V, Davos. Switzerland: TMMMS, Warrendale, PA, Sep. 16-21, 1991. pp. 115-22.
10. Schiller S, Heisig U, Panzer S. Electron Beam Technology. New York: Wiley, 1982. p. 317.
11. Irie H, Tsukamoto S, Inagaki M. Relation between beam properties and shape of fusion zone in electron beam welding (Report I). J the Japan Welding Society 1982;51:941-5.
12. Hicken GK, Giedt WH, Bentley AE. Correlation of joint penetration with electron beam current distribution. Welding J 1991;70:69(s)-75(s).
13. Wei PS, Wu TH, Chow YT. Investigation of high-intensity beam characteristics on welding cavity shape and temperature distribution. ASM E J Heat Transfer 1990:112:163-9.
14. Miyazaki T. Material removal produced by a high-power-density electron beam. J Applied Physics 1977;48:3035-41.
15. 2 laser. J Applied Physics 1993:74:5773-80.
16. Collur MM, DebRoy T. Emission spectroscopy of plasma during laser welding of AISI 201 stainless steel. Metallurgical Transactions B 1989;20B:277-86.
17. Shui VH, Kivel B, Weyl GM. Effect of vapor plasma on the coupling of laser radiation with aluminum targets. J Quantitative Spectroscopy and Radiative Transfer 1978;20:627-36.
18. Matsunawa A, Ohnawa T. Beam-plume interaction in laser materials processing. Transactions of Japan Welding Research Institute 1991;20:9-15.
19. Duley WW. A comparison of keyhole absorption processes in laser and electron beam welding. Bakish R, editor. Proceedings of the Conference on the Laser vs the Electron Beam in Welding, Cutting, and Surface Treatment - State of the Art - 1987. Englewood, NJ, U.S.A.: Bakish Materials Corp., 1987. pp. 160-7.
20. Lin SH, Sparrow EM. Radiant interchange among curved specularly reflecting surfaces - application to cylindrical and conical cavities. ASME J Heat Transfer 1965;87:299-308.