FIELD: machine building.
SUBSTANCE: specimen on which tension force created with breaking machine acts represents rectangular segment cut longitudinally from polymer tube, with electric coupling welded to it. The first part of specimen consists of tube segment, and the second part consists of electric coupling segment welded to tube segment; at that, the first part of specimen is clamped in a catch of breaking machine, and the second part of specimen is connected through side hole made in internal end of electric coupling segment to loading link which is connected through loading rope to opposite lying catch of breaking machine. A slot 1-5 mm deep, and with width and length, which are equal to width and length of fusion zone, is made on lateral sides of specimen in fusion zone.
EFFECT: improving measuring accuracy of weld joint strength.
3 dwg
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