Metal tube having a section with an internal electroplated...

Details Metal tube having a section with an internal electroplated... Metal tube having a section with an internal electroplated...

C - Chemistry, Metallurgy

25

D

C25D 7/04 (2006.01) F28F 11/00 (2006.01)

Patent

CA 2175596

The invention is a metal tube such as a heat exchanger tube which has been treated by in situ electrodeposition to repair one or more degraded sections. The repaired metal tube section has an electroformed structural layer which has an ultrafine grain microstructure of sufficient thickness to restore the degraded section at least to its original mechanical specifications.

L'invention a pour objet un tube métallique, par exemple un tube d'échangeur de chaleur, traité par électrodéposition in situ dans le but de réparer une ou plusieurs parties endommagées. La section du tube métallique réparé présente une couche structurale obtenue par électroformage, possédant une microstructure à grains ultrafins d'épaisseur suffisante pour permettre à la partie endommagée de retrouver au moins ses caractéristiques mécaniques d'origine.

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