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The effect of thermomechanical treatment on the structure and mechanical properties of 7278A (1) and AlCuAgMg alloys (2,3) containing 6%Cu, 0.4-0.8%Ag and 0.4-0.8%Mg in wt% was investigated. The alloys were continuously cast, then extruded, cold rolled and aged at temperatures up to 165 degrees centigrade. Alloy 1 attained maximum hardness of 210 HV and UTS 700 MPa after ageing at 120 degrees centigrade...
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