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Praca przedstawia wyniki badań stabilności struktury i właściwości wytrzymałościowych w wysokiej temperaturze stopu CuNi14Al3 umocnionego wydzieleniowo. Zastosowano dwa schematy obróbki cieplnej stopu, w wyniku czego doprowadzono do wygenerowania mikrostruktur różniących się rozmiarami i ilością wydzieleń fazy gamma', powstałych w wyniku przemiany ciągłej, oraz intensywnością występowania wydzieleń...
The effect of copper addition to a Al-Si + graphite alloy on the hardening and precipitates morphology during ageing, was investigated. The quasi - vortex - method was applied to cast the AlSiCu4 + graphite alloy. The alloy was homogenised at 530 degrees centigrade, quenched and aged at 160 and 200 degrees centigrade. The precipitation kinetics of Theta' - phase was studied using hardness, ultimate...
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