ADAPTER FOR WELDING STAINLESS STEEL PIPES WITH ZIRCONIUM ALLOY PIPES Russian patent published in 1997 - IPC

Abstract RU 2085350 C1

FIELD: nuclear engineering and chemical engineering; diffusion welding; adapter for welding of stainless steel pipes and zirconium alloy pipes for use as bimetallic insert. SUBSTANCE: adapter is made in form of lap diffusion welded joint of bushings made of metals corresponding to metals of pipes to be welded together. Female bushing of adapter is made of stainless steel and mated surfaces of bushings over entire length of overlapping are provided with alternating projections and recesses getting into each other. Diffusion welded lap joint is made with hard adapter layer of thickness not exceeding 5 μm. EFFECT: improved quality of joints. 7 cl, 4 dwg

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RU 2 085 350 C1

Authors

Aden V.G.

Semenov A.N.

Tjurin V.N.

Rivkin E.Ju.

Cherkashov Ju.M.

Shevelev G.N.

Dates

1997-07-27—Published

1995-06-20—Filed