FIELD: fusion welding, namely electron-beam welding of zirconium alloys, possibly visual determination of fusion depth and shape of welded seam.
SUBSTANCE: method is realized for welding samples-satellites, manufacture of slides, evaluation of fusion depth and shape of welded seam. Different alloys having similar thermal- physical and chemical properties are used as materials of parts of samples. One of said alloys is identical to material of articles; all alloys contain easily melting alloying additive whose evaporation rate exceeds that of metal being base of alloy. Said additive at reaction with reagent during etching process changes color of welded seam surface.
EFFECT: improved reliability of quality control of welded seam.
3 cl, 4 dwg
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