Heterogeneous microstructured aluminum alloys

Abstract

1 . An aluminum alloy represented by Formula I: Al—Ni—Ti—Zr (I); wherein Al is about 90.8 wt. % to about 98.1 wt. %; Ni is about 1 wt. % to about 6 wt. %; Ti is about 0.5 wt. % to about 2 wt. %; and Zr is about 0.4 wt. % to about 1.2 wt. %. 2 . The aluminum alloy of claim 1 wherein Ni is about 1 wt.