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Institut Elektrosvarki Imeni E.o. Patona Akademii Nauk Ukrainskoi

Leonid G Puzrin

Miron G Atroshenko

Vladimir L Yaremenko

Boris E Paton

Boris I Medovar

Georgy Alexandrovich Boiko

Ilya Iosifovich Kumysh

Arkady Y Vernikov

Alexandr Petrovich Beloglazov

Georgy Sergeevich Marinsky

Pavel S Nefedov

Vladislav D Tabelev

Vladimir Nikolaevich Strukov

Pavel Osipovich Siry

Vladimir M Kaschenko

Valentin Alexandrovich Nosanov

Vyacheslav A Beletsky

Viktor Alexandrovich Kovalev

Valentin A Blanin

Nikolai F Bocharov

Nikolai P Krylov

Alexandr Ivanovich Sopozhnikov

Volf Iudovich Babinovich

Pavel S Menaker

Lev Vasilievich Popov

Jury Y Ischenko

Evgeny I Polev

Sergei Mikhailovich Shelkov

Ilya P Serebryanik

Boris Markovich Babich

Ivan G Pescherin

A method of brazing of an outer carbon steel shell to an inner stainless steel shell, in which a stainless steel sheet material of the inner shell is rolled up with an overlap and arranged with a clearance inside the outer shell, braze material is placed in the clearance, walls of the rolled sheet material of the inner shell are forced to the inner surface of the outer shell, longitudinal edges of the sheet material of the inner shell are weld-joined to form the inner shell, air is evacuated from the clearance, and ends of the outer and inner shells are joined by circular vacuum-tight corner welds, one leg of which extends radially and has a length equal to at least one thickness of the inner shell, whereas the length of the other leg, which extends longitudinally, is equal to at least twice the thickness of the wall of the inner shell and said inner and outer shells are brazed in a furnace forming after cooling a bimetallic cylindrical article.

Method of producing by brazing bimetallic cylindrical articles

Method of manufacturing the adapter of a multipole magnetic slab of a

Disclosure is made of a method for brazing ferromagnetic materials whereby a metalloceramic braze, containing a ferromagnetic refractory component and a fusible component the melting point of which is lower than the Curie point for the refractory component, is placed in the gap between the materials to be joined. In the gap a magnetic field is created whose lines of force cross the gap and whose intensity is adequate enough to retain within the gap, the ferromagnetic refractory component in the process of brazing during the melting of the fusible component. The zone of joining the materials is heated to the temperature of brazing and then cooled. It is proposed also to use a metalloceramic braze, containing an alloy based on Cu--Co, consisting of 50-90% by weight of Cu, and a Cu-Mn-Ni alloy, containing 50-66% by weight of Cu, 24-34% by weight of Mn, and 2-16% by weight of Ni.

Method for brazing ferromagnetic materials

A mould for casting at least one component of a complex-shaped metal article, the mould having in the fusion area at least one hole hole fitted from the mould interior with a slot whose geometric dimensions ensure the formation of a slag blanket in the volume which is required for a uniform heat removal in the fusion area. The number of the holes correspond to the number of the article components to be joined by fusion and the geometric dimensions and contour of the holes matching those of the article components to be bonded by the application of a fusion process.

Mould for casting at least one component of complex-shaped metal articles

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Kyiv, Ukraine

Leonid G Puzrin