1 micrograph for composition Al, Cu 4.5, Mg 1.5 (wt%), ordered by micrograph number.
Macrograph of a resistance spot weld made in two plates of 1,5mm thickness. T3 - solution heat treatment, cold working and natural ageing.
System: Al-Cu, Composition: Al, Cu 4.5, Mg 1.5 (wt%)
Optical microscope, interferential contrast