Amorphous alloy and method for manufacturing the same
An amorphous and a manufacturing method thereof are provided. The amorphous alloy may have a formula of Zr a Cu b Al c M d N e , M is at least one selected from the group consisting of Ni, Fe, Co, Mn, Cr, Ti, Hf, Ta, Nb and rare earth elements; N is at least one selected from a group consisting of Ca, Mg, and C; 40≦a≦70, 15≦b≦35, 5≦c≦15, 5≦d≦15, 0≦e≦2, and a+b+c+d+e=100.
1. A method of manufacturing an amorphous alloy, comprising:
providing an amorphous base alloy; wherein the amorphous base alloy has a formula of Zr—Cu—Al-M, wherein M is at least one selected from the group consisting of Ni, Fe, Co, Mn, Cr, Ti, Hf, Ta, Nb and rare earth elements;
providing an additive material; wherein the additive material is at least one selected from the group consisting of calcium-aluminum alloy, magnesium alloy, iron-carbon alloy and carbon rod;
melting the amorphous base alloy and the additive material under a vacuum atmosphere or an inert atmosphere to form a mixed melt; and
casting the mixed melt and cooling to form the amorphous alloy; wherein the amorphous alloy has a formula of Zr a Cu b Al c M d N e , and wherein M is at least one selected from the group consisting of Ni, Fe, Co, Mn, Cr, Ti, Hf, Ta, Nb and a rare earth element; N is at least one selected from the group consisting of Ca, Mg, and C; 40≦a≦70, 15≦b≦35, 5≦c≦15, 5≦d≦15, 0<e≦2, and a+b+c+d+e=100.
2. The method according to claim 1 , wherein melting the amorphous base alloy and the additive material further comprises:
mixing the amorphous base alloy and the additive material to form a mixture; and
melting the mixture to form the mixed melt.
3. The method according to claim 1 , wherein melting the amorphous base alloy and the additive material further comprises:
melting the amorphous base alloy to form a first melt; and
adding the additive material to the first melt to form the mixed melt.
4. The method according to claim 1 , wherein the step of melting is performed at the temperature of below the boiling point of the additive material.
5. The method according to claim 1 , wherein the step of melting is performed under an atmosphere having vacuum degree of about 1000 Pa or less.
6. The method according to claim 1 , wherein the melting is performed under an atmosphere with about 99% inert gas by volume or more.