Metal working – Method of mechanical manufacture – Impeller making
Patent
1996-12-31
1998-11-17
Cuda, I.
Metal working
Method of mechanical manufacture
Impeller making
2988972, B23P 1500
Patent
active
058360751
ABSTRACT:
Processes for constructing complex turbine structures by the assembly of less complex sub-structures. The component sub-structures are bonded together at opposed mating surfaces by transient liquid bond phase techniques. The sub-structure mating surfaces are machined prior to application of the bonding material to remove oxide from the mating surfaces and ensure dimensional tolerances. Bonding material is applied to the mating surfaces by sputter deposition. Masks can be applied to the mating surfaces prior to application of the bond material so as to selectively apply bond material at only predetermined locations on the mating surface, thus eliminating excessive use of bond material for bonding the component sub-structures.
REFERENCES:
patent: 4051585 (1977-10-01), Walker et al.
patent: 4492522 (1985-01-01), Rossmann et al.
patent: 4592120 (1986-06-01), Egan et al.
patent: 4676843 (1987-06-01), Nazmy
patent: 4681251 (1987-07-01), Komatsu et al.
patent: 4921405 (1990-05-01), Wilson
"Liquid Phase Diffusion Welding of Nickel-Base Superalloy Using a Ni-B Alloyed Layer Formed on the Bonding Surface by Sputtering" Funamoto T. et al., Welding International, vol. 6, No. 4, Jan. 1, 1992 see the whole document.
"TLP* bonding: a new method for joining heat resistant alloys." Welding Journal, vol. 3, No. 4, Apr. 1974, pp. 203-214, XP002063652, see the whole document.
Funamoto et al., "Liquid Phase Diffusion Welding of Nickel-base Superalloy Using Ni-B System Alloyed Layer Formed on Bonding Surface with Sputtering", Transactions of the Japan Welding Society, vol. 24, No. 1, Apr. 1993, pp. 30-38.
Funamoto et al., "A Study on Formation of Alloyed LKayer of Low Melting Temperature on Bonding Surface of IN738LC with Sputtering", Study on Diffusion Welding Using Alloyed Layer on Bonding Surface (Report 3), Yousetsu Gakkai Ronbun, 1985.
MacDonald et al., "Transient Liquid Phase Bonding", Annu. Rev. Mater. Sci. 1992 22:23-46.
Fitzgerald Thomas John
Zagar Thomas Walter
Cuda I.
Maire D. G.
Westinghouse Electric Corporation
LandOfFree
Process for forming combustion turbine components by transient l does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for forming combustion turbine components by transient l, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for forming combustion turbine components by transient l will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-873685