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The aim of this paper is a description of butt welding process of polyethylene pipes which by using improper parameters can cause defects in welded joints. Internal defects are especially dangerous. The paper presents results of calculations and analysis of critical size of defects in form of internal fissures that can occur in butt welded joints of pipelines from polyethylene. At the critical fissure...
Rurociągi wykonane z polietylenu są stosowane do przesyłania zarówno płynów i gazów mających niską temperaturę (zimna woda, paliwa gazowe), jak i różnych płynów agresywnych i wody o podwyższonej temperaturze, używanych w procesach technologicznych. Przedstawiono wyniki obliczeń i analizę krytycznych wymiarów szczelin zewnętrznych i wewnętrznych, doczołowo zgrzewanych złączy rur polietylenowych. W...
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