High powder CO2 and Nd-YAG laser welding of wrought Inconel 718

Journal of Materials Processing Technology

Volumn 56, Issue 1-4, 1996, Pages 333-345

  Gobbi, S ^a   Zhang, L ^a   Norris, J ^b   Richter, K H ^c   Loreau, J H ^d  

^a Istituto RTM   (Italy)

^b Lumonics Ltd   (United Kingdom)

^c MTU AERO ENGINES GMBH   (Germany)

^d SNECMA   (France)

Author keywords

[No Author keywords available]

Indexed keywords

AGING OF MATERIALS; ANNEALING; CONTINUOUS WAVE LASERS; EUTECTICS; GRAIN BOUNDARIES; MACHINING; METALLURGY; NEODYMIUM LASERS; PRECIPITATION (CHEMICAL); RAPID SOLIDIFICATION; SUPERALLOYS; WELDS;

DELTA PHASE; DEPTH TO WIDTH RATIO; INCONEL 718; INTERDENDRITES; MICROFFISSURES; POST WELDING MACHINING;

LASER BEAM WELDING;

EID: 0029698483     PISSN: 09240136     EISSN: None     Source Type: Journal    
DOI: 10.1016/0924-0136(95)01847-6     Document Type: Article

References (18)

1. William A. Owczarski, Process and Metallurgical Factors in Joining Superalloys and Other High Service Temperature Materials, in Matthew J. Donachie, JR. (Ed), Superalloys Source Book, ASM,OH (1984) 369-400.
2. A. Lingenfelter, Welding of Inconel alloy 718: A Historical Overview, in Loria (Ed), Superalloy 718 -metallurgy and Applications, IMS (1989) P.673-683.
3. John F. Radavich, The Pysical Metallurgy of Cast and Wrought Alloy 718 in E. A. Lopia (Ed), Superalloy 718 - Metallurgy and Applications, IMS (1989) P.229 - 240.
4. R.P. Jewett and J.A. Halchak, The Use of Alloy 718 in The Space Shuttle Main Engine, in E. A. Loria (Ed), Superalloy 718, 625 and Various Derivatives, TMS (1991) 749-760.
5. B. Radhakrishnam and R.G. Thompson, A Model for The Formation and Solidification of Grain Boundary Liquid in The Heat Affected Zone of Welds, Metall. Trans. A Vol. 23 A, 6(1992) 1783-1799.
6. W.Lin et al, An Evaluation of Heat Affected Zone Liquation Cracking Susceptibility - Part I: Development of a Methods for Quantification, Welding Journal, (72) 4: 135S - 153S.
7. R. G. Thopmson et al, The Relationship Between Carbon Content, Microstructure And Intergranular liquiation Cracking in Cast Nickel Alloy 718, Metall. Trans. A, Vol 22A, 2 (1991) 557-567.
8. R. G. Thompson et al, The Effect of Heat Treatment on Microfissuring in Alloy 718, Welding Journal 11 (1986) 229S-304S.
9. R. G. Thompson, Microfissuring of Alloy 718 in The Weld Heat Affected Zone, Journal of Metals, 7(1988) 44-48.
10. D. S. Duvall and W. H. Owezarski, Futher Heat Affected Zone Studies in Heat-Resistant Nickel Alloys. Welding Journal, 9(1967) 423S-432S.
11. R. G. Thompson et al, The relationship Between Grain Size and Microfissuring in Alloy 718, Welding Journal, 4(1985) P. 91S-96S.
12. G. H. Korovsky et al, Inconel 718: A solidification Diagram, Metall. Trans. A Vol.20A, 10(1989) 2145-2158.
13. P.E. Mosser et al, Metallurgical Aspect of Forge Modeling in Alloy 718, in E. A. Loria (Ed), Superalloy 718 Metallurgy and Applications, TMS (1989 ) P.179-188.
14. Armida Oradei-Basile and J. F. Radavich, A Current T-T-T Diagram for Wrought Alloy 718, in E. A. Loria (Ed), Superalloy 718, 625 and Variuos Derivatives, TMS (1991) P.325-335.
15. Mary H. McCay et al, Laser Welding Techniques for Alloy 718, in E. A. Loria ( Ed ), Superalloy 718, 625 and Various Derivatives, TMS, (1991) P.719-734.
16. W. W. Mullins and R.F. Sekerka, Stability of a Planar Interface During Solidification of a Dilute Binary Alloy, Journal of Applied Physics, Vol.35(2), 2(1964) 444-451.
17. John E. Flin et al, Microstructure and Mechanical Properties of Alloy 718 Processed by Rapid Solidification, in E.A. Loria (Ed) Superalloy 718, 625 and Various Derivatives, TMS,(1991) P.251-260.
18. N. Shohoji et al, Structure of Melt-Spun Ni-based Superalloy Ribbons, Proc. 4th Int. Conf on Rapidly Quenched Metals, Sendai, (1981) P. 1529-1532.