초록 ▼

A bulk amorphous alloy has the approximate composition: Fe(100-a-b-c-d-e)YaMnbTcMd Xe wherein: T includes at least one of the group consisting of: Ni, Cu, Cr and Co; M includes at least one of the group consisting of W, Mo, Nb, Ta, Al and Ti; X includes at least one of the group consisting of Co, Ni

A bulk amorphous alloy has the approximate composition: Fe(100-a-b-c-d-e)YaMnbTcMd Xe wherein: T includes at least one of the group consisting of: Ni, Cu, Cr and Co; M includes at least one of the group consisting of W, Mo, Nb, Ta, Al and Ti; X includes at least one of the group consisting of Co, Ni and Cr; a is an atomic percentage, and a<5; b is an atomic percentage, and b≦25; c is an atomic percentage, and c≦25; d is an atomic percentage, and d≦25; and e is an atomic percentage, and 5≦e≦30.

대표청구항 ▼

What is claimed is: 1. A bulk amorphous alloy comprising the approximate composition: description="In-line Formulae" end="lead"Fe(100-a-b-c-d-e)YaMnbTcMdXe wherein:description="In-line Formulae" end="tail" a. T comprises at least one element selected from the group consisting of: Ni, Cu, Cr and

What is claimed is: 1. A bulk amorphous alloy comprising the approximate composition: description="In-line Formulae" end="lead"Fe(100-a-b-c-d-e)YaMnbTcMdXe wherein:description="In-line Formulae" end="tail" a. T comprises at least one element selected from the group consisting of: Ni, Cu, Cr and Co; b. M comprises at least one element selected from the group consisting of W, Mo, Nb, Ta, Al and Ti; c. X comprises at least one element selected from the group consisting of B, C and Si; d. a is an atomic percentage, and 0.5<a<5; e. b is an atomic percentage, and 1<b<25; f. c is an atomic percentage, and 0<c<25; g. d is an atomic percentage, and 0<d<25; and h. e is an atomic percentage, and 5<e<30. 2. A bulk amorphous alloy composition in accordance with claim 1 wherein X further comprises CfBg wherein: a. f+g=e; b. 0<f<25; and c. 0<g<15. 3. A bulk metallic glass in accordance with claim 2 further comprising the approximate composition Fe(100-a-b-h-i-f-g)Y aMnbCrhMoiCfBg wherein: a. 0.5≦a≦3; b. 1≦b≦15; c. 3≦h≦17; d. 2≦i≦17; e. 5≦f≦20; and f. 2≦g≦9. 4. A bulk amorphous alloy composition in accordance with claim 2 further comprising the approximate composition Fe49Y 2Mn9.8Mo13.7Cr3.9C15.7B5. 9. 5. A bulk amorphous alloy composition in accordance with claim 2 further comprising the approximate composition Fe49.2 Y1.5Mn9.9Mo13.8Cr3.9C15.8 B5.9. 6. A bulk amorphous alloy composition in accordance with claim 2 further comprising the approximate composition Fe48.8 Y1.5Mn10.7Mo13.7Cr3.9C15.6 B5.8. 7. A bulk amorphous alloy composition in accordance with claim 2 further comprising the approximate composition Fe49.2 Y1.5Si0.5Mn9.9Mo13.8Cr3.9 C15.4B5.8. 8. A bulk amorphous alloy composition in accordance with claim 2 further comprising the approximate composition Fe46.8 Y1.5Mn10.7Mo13.7Cr5.9C15.6 B5.8. 9. A bulk amorphous alloy composition in accordance with claim 2 further comprising the approximate composition Fe44.8 Y1.5Mn10.7Mo13.7Cr7.9C15.6 B5.8. 10. A bulk amorphous alloy composition in accordance with claim 2 further comprising the approximate composition Fe42.8 Y1.5Mn10.7Mo13.7Cr9.9C15.6 B5.8. 11. A bulk amorphous alloy composition in accordance with claim 2 further comprising the approximate composition (Fe45 Mo13Mn11Cr10-xCoxC16B 6)98.5Y1.5 wherein 2≦x≦ 6. 12. A bulk amorphous alloy composition in accordance with any one of claims 1-3 or 4-11, inclusive, wherein said bulk amorphous alloy composition is formed into an article.