FIELD: machine engineering.
SUBSTANCE: sample is cut from the weld coupling. It contains parts of the polymer pipes to be connected and a part of the coupling overlapping with the pipes and welded to them. The cut specimen is subjected to a tensile test carried out under predetermined conditions. The area of the tested weld joint in the sample does not exceed the minimum cross-sectional area of the sample outside the weld zone.
EFFECT: possibility of a more accurate determination of the strength of the weld during socket welding of polymer pipes and the expansion of appliance arsenal.
10 cl, 3 dwg
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