Method for providing an extension on an end of an article and ex

Details Method for providing an extension on an end of an article and ex Method for providing an extension on an end of an article and ex

1992-07-30

1994-04-19

Lin, Kuang Y.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Coating, specific composition or characteristic

415200, 148404, 148426, 428680, 428593, 164 921, 1641221, B22D 1910

Patent

active

053040392

ABSTRACT:
An extension is provided on an end of an article having a directionally oriented microstructure by using the article end as a growth seed in a molten material compatible with material from which the article end is made. The extension is directionally solidified as integral with and as an extension of the article end and with a microstructure compatible with that of the article end.

REFERENCES:
patent: 3752221 (1973-08-01), Copley et al.
patent: 4637448 (1987-01-01), Burke et al.
patent: 4714101 (1987-12-01), Terkelsen

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