Metallic filler material

Details Metallic filler material Metallic filler material

C - Chemistry, Metallurgy

22

C

75/1

C22C 1/04 (2006.01) B22F 1/00 (2006.01) B23K 35/02 (2006.01) B23K 35/24 (2006.01) B23K 35/30 (2006.01) B23P 6/04 (2006.01)

Patent

CA 1064733

ABSTRACT OF THE DISCLOSURE In filling voids in or between metallic articles, as in the repair of cracks or other surface defects in castings, the void is filled with a powder mix which upon heat treat- ment fills the void. The filler powder mix is a blend of at least two distinct powder components and in terms of overall composition preferably corresponds to that of article being repaired. The components comprising the mix are selected to provide a transient liquid phase and isothermal resolidification of a portion of the mix at the temperatute below the article melting point. A subsequent heat treatment is preferably utilized for homognization.

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