Li-and Ca-containing light Al-base amorphous alloy

The invention relates to the field of amorphous alloys, in particular to a novel light Al-Li-Ca-Ni-La amorphous alloy, which comprises the following chemical components in percentage by atom: 77 to 82 percent of Al, 5 to 12 percent of Li, 6 to 10 percent of Ca, 3 to 7 percent of Ni and 0 to 3 percent of La. The material is formed into a thin-belt sample by a single-roll rapid quenching method; the thickness of a thin belt is uniform; thin belts with different thicknesses can be made by adjusting a rolling speed; and when the rolling speed is 17m/s, the maximum thickness of the thin belt is upto 100 mu m. The addition of Ni and La transitional elements can improve the amorphous forming performance of the alloy and improve the crystallization temperature of the alloy.