FIELD: nuclear engineering; manufacture of plate-type fuel elements.
SUBSTANCE: core for three-layer assembly that has sleeve, circular core, and plugs is provided with longitudinal bonds made of sleeve material and three-layer tube obtained upon joint hot extrusion and drawing is cut along bonds; segments obtained in the process are drawn through slit die.
EFFECT: reduced labor consumption due to reduced number of pre-heat rolling operations.
1 cl, 5 dwg
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