Method for producing components with internal architectures,...

Details Method for producing components with internal architectures,... Method for producing components with internal architectures,...

2011-03-08

2011-03-08

Ward, Jessica L (Department: 1735)

Metal fusion bonding

Process

Plural heat applying

C228S173200, C228S227000, C228S233100, C228S234100, C228S235100, C228S262100, C019S049000, C505S432000, C156S312000

Reexamination Certificate

active

07900811

ABSTRACT:
This invention relates to a method for producing components with internal architectures, and more particularly, this invention relates to a method for producing structures with microchannels via the use of diffusion bonding of stacked laminates. Specifically, the method involves weakly bonding a stack of laminates forming internal voids and channels with a first generally low uniaxial pressure and first temperature such that bonding at least between the asperites of opposing laminates occurs and pores are isolated in interfacial contact areas, followed by a second generally higher isostatic pressure and second temperature for final bonding. The method thereby allows fabrication of micro-channel devices such as heat exchangers, recuperators, heat-pumps, chemical separators, chemical reactors, fuel processing units, and combustors without limitation on the fin aspect ratio.

REFERENCES:
patent: 6068179 (2000-05-01), Fowler
patent: 6514066 (2003-02-01), Bergman
patent: 2003/0082311 (2003-05-01), Kono et al.
patent: 2004/0099712 (2004-05-01), Tonkovich et al.
patent: 2063747 (1981-06-01), None

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