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The article presents results obtained during the plasma powder surfacing of steel S690Q. The tests involved the use of NiBSi-based EuTroLoy PB 6503 powder with a tungsten carbide addition as well as the making of overlay welds on 30 mm thick plates. The tests involved the making of both simple and overlap runs with an overlap of 30-r70%. The overlay welds were subjected to hardness tests, abrasive...
Przedstawiono wyniki badań procesu napawania plazmowego (PTA - Plasma Transferred Arc) powierzchni roboczych odlewów z brązu aluminiowego proszkiem na osnowie niklu w pozycji podolnej. Określono optymalne parametry napawania proszkowego PTA ściegami prostymi i z ruchem wahadłowym palnika. Wykazano, że w celu zapewnienia wysokiej jakość napoin jedno- i wielowarstwowych konieczne jest podgrzewanie wstępne...
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