HIP manufacture of a hollow component

Details HIP manufacture of a hollow component HIP manufacture of a hollow component

2006-09-26

2006-09-26

Mai, Ngoclan T. (Department: 1742)

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Making composite or hollow article

C419S049000, C264S635000

Reexamination Certificate

active

07112301

ABSTRACT:
Forming a hollow structure having an internal coating includes the steps of placing a core shaped to form the internal surface of the structure in a mould, filling the mould with a material powder, hot isostatically pressing the powder about the mould to consolidate the powder, and removing the core from the hollow structure formed, wherein a coating is applied to the core prior to placement in the mould, which coating bonds to the hollow structure formed, during the hot isostatic pressing, to form the internal coating.

REFERENCES:
patent: 3753704 (1973-08-01), Manilla et al.
patent: 3992202 (1976-11-01), Dulis et al.
patent: 3996048 (1976-12-01), Fiedler
patent: 4627958 (1986-12-01), Hays
patent: 5130084 (1992-07-01), Matheny et al.
patent: 6042780 (2000-03-01), Huang
patent: 6274083 (2001-08-01), Clark, III
patent: 2003/0173720 (2003-09-01), Musso et al.

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