Brazing ferritic-martensitic reactor steels with an amorphous rapidly quenched nickel-based strip brazing alloy

A.A. Ivannikov National Research Nuclear University (MEPhI), Moscow, Russia

V.T. Fedotov National Research Nuclear University (MEPhI), Moscow, Russia

O.N. Sevryukov National Research Nuclear University (MEPhI), Moscow, Russia

B.A. Kalin National Research Nuclear University (MEPhI), Moscow, Russia

A.N. Suchkov National Research Nuclear University (MEPhI), Moscow, Russia

I.S. Logvenchev National Research Nuclear University (MEPhI), Moscow, Russia

I.V. Fedotov National Research Nuclear University (MEPhI), Moscow, Russia

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Abstract

A brazing alloy has been developed for brazing ferritic-martensitic steels. The technology for producing the brazing alloy based on nickel in the form of amorphous ribbons is described. Steels EP-450 DUO and EP-823 were brazed using the new brazing alloy. The relationships of the formation of brazed joints were determined. The results of brazing trials on models of fuel elements made of steels ChS-139 and EP-823 (EP-450 DUO) and the mechanical tests of the brazed joints (shear test) are presented.

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Notes

^1. Patent 102555 (Russian Federation).

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Brazing ferritic-martensitic reactor steels with an amorphous rapidly quenched nickel-based strip brazing alloy

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Brazing ferritic-martensitic reactor steels with an amorphous rapidly quenched nickel-based strip brazing alloy

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