An aluminum alloy is provided including between about 7.5-9.5 wt. % silicon, between about 3.0-4.0 wt. % copper, and between about 0.01-5.0 wt. % titanium. The aluminum alloy may include up to about 1.3 wt. % iron, up to about 0.5 wt. % manganese, up to about 0.1 wt. % magnesium, up to about 3.0 wt. % zinc, and up to about 0.35 wt. % tin. The balance of the aluminum alloy may include aluminum.