High strength and anti-corrosive aluminum-based alloy

High strength and anti-corrosive aluminum-based alloy essentially consisting of a multiphase structure essentially consisting of an amorphous component and a fine crystalline component, said aluminum-based alloy represented by the general formula Al.sub.x M.sub.y R.sub.z, wherein M is at least one metal element selected from the group consisting of Ti, V, Cr, Mn, Fe, Co, Cu, Zr, Nb, Mo and Ni, and R is at least one element selected from the group consisting of Y, Ce, La, Nd and Mm (misch metal);

• in said formula, x, y and z represent the composition ratio, and are atomic percentages satisfying the relationships of x+y+z=100, 64.5.ltoreq.x.ltoreq.95, 5<y.ltoreq.35, and 0.ltoreq.z.ltoreq.0.4 and said aluminum-based alloy having a positive value of differential intensity profile for any value of the wave number vector.

High strength and anti-corrosive aluminum-based alloy essentially consisting of an amorphous structure, said aluminum-based alloy represented by the general formula Al.sub.x Ni.sub.y M'.sub.z, wherein M' is at least one metal element selected from the group consisting of Ti, V, Mn, Fe, Co, Cu and Zr;

• in said formula, x, y and z represent the composition ratio, and are atomic percentages satisfying the relationships of x+y+z=100, 50.ltoreq.x.ltoreq.95, 0.5.ltoreq.y.ltoreq.35, and 0.5.ltoreq.z.ltoreq.20 and said aluminum-based alloy having a positive value of differential intensity profile for any value of the wave number vector.

High strength and anti-corrosive aluminum-based alloy essentially consisting of a multiphase structure essentially consisting of an amorphous component and a fine crystalline component, said aluminum-based alloy represented by the general formula Al.sub.x Ni.sub.y M'.sub.z, wherein M' is at least one metal element selected from the group consisting of Ti, V, Mn, Fe, Co, Cu and Zr;

• in said formula, x, y and z represent the composition ratio, and are atomic percentages satisfying the relationships of x+y+z=100, 50.ltoreq.x.ltoreq.95, 0.5.ltoreq.y.ltoreq.35, and 0.5.ltoreq.z.ltoreq.20 and said aluminum-based alloy having a positive value of differential intensity profile for any value of the wave number vector.

High strength and anti-corrosive aluminum-based alloy represented by the general formula Al.sub.x Co.sub.y M".sub.z, wherein M" is at least one metal element selected from the group consisting of Mn, Fe and Cu;

• in said formula, x, y and z represent the composition ratio, and are atomic percentages satisfying the relationships of x+y+z=100, 50.ltoreq.x.ltoreq.95, 0.5.ltoreq.y.ltoreq.35, and 0.5.ltoreq.z.ltoreq.20 and said aluminum-based alloy having a positive value of differential intensity profile for any value of the wave number vector.

High strength and anti-corrosive aluminum-based alloy represented by the general formula Al.sub.a Fe.sub.b L.sub.c, wherein L is at least one metal element selected from the group consisting of Mn and Cu;

• in said formula, a, b and c represent the composition ratio, and are atomic percentages satisfying the relationships of a+b+c=100, 50.ltoreq.x.ltoreq.95, 0.5.ltoreq.y.ltoreq.35, and 0.5.ltoreq.z.ltoreq.20 and said aluminum-based alloy having a positive value of differential intensity profile for any value of the wave number vector.