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Przeprowadzono statystyczną próbę wytrzymałości na rozciąganie stopu Al-Li-Cu-Mg-Zr spawanego laserem CO2 jak i nie spawanego, technologiczną próbę zginania spoin, pomiary mikrotwardości oraz badania mikrostruktury za pomocą mikroskopu optycznego, elektronowego skaningowego i elektronowego transmisyjnego. Pomimo, że materiał spawany charakteryzował się niższymi własnościami wytrzymałościowymi (Rm=268...
The effect of heat treatment on the properties of CO2 laser welded Al-2.45%Li-0.02%Cu-0.11%Zr (in wt. %) alloys is presented. This examination was an attempt to archive strength levels comparable to unwelded base alloy. Thermal treatment consisting of solutionizing at 550 degrees centigrade for 2 h and ageing at 175 degrees centigrade for 4 and 8th after welding was necessary to archive adequate labels...
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