Resettable gears and manufacturing method therefor

A resettable gear comprising a resettable metallic glass,

• wherein the resettable metallic glass comprises:
• at least one metal element selected from (a) a group consisting of Ti, Zr, and Hf;
• at least one metal element selected from (b) a group consisting of Fe, Co, Ni, Cu, and Zn;
• at least one element selected from (c) a group consisting of Sc, Y, La, Pr, Nd, Sm, Gd, Dy, Ho, and Er, at 5 at. % or less, thereby having a complex structure with multiple atomic-scale cluster resetting cores in an amorphous matrix;
• and
• at least one element selected from (d) a group consisting of Be, B, Al, V, Mn, Ga, Ag, In, Sn, Pb, and Bi, at 15 at. % or less, thereby having a complex structure with multiple atomic-scale cluster resetting cores in the amorphous matrix for improvement of structural complexity thereof,
• wherein a ratio of the element of the group (a) to the element of the group (b) being 15 to 66.6 at. % to form an amorphous structure, and
• wherein the resettable metallic glass, for the improvement of structural complexity thereof, further comprises at least one species of element selected from (e) a group consisting of Nb, Mo, Ta, and W, or (f) a group consisting of C, N, Si, P, Ge, Pd, Pt, and Au, at 5 at. % or less relative to the total alloying elements.