
The Properties and Appliion of Scandium-Reinforced …
2018-3-6 · aluminum-magnesium-zinc alloy almost triples when it is welded by a scandium-modified 5000 series filler metal. Figure 4. As shown by crack length in mil-limeters, the Houldcroft test greatly favors the scandium-modified vs. conventional filler metal in the welding of a 7000 series aluminum alloy.