IPC분류정보
| 국가/구분 |
United States(US) Patent
등록
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| 국제특허분류(IPC7판) |
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| 출원번호 |
UP-0786532
(2007-04-12)
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| 등록번호 |
US-7771545
(2010-08-30)
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발명자
/ 주소 |
- Johnson, Francis
- Iorio, Luana E.
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| 출원인 / 주소 |
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| 대리인 / 주소 |
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| 인용정보 |
피인용 횟수 :
0 인용 특허 :
32 |
초록
▼
An amorphous metal alloy having high tensile strength and high electrical resistivity is provided. The amorphous metal alloy has the following chemical composition, in atomic percent: (Co1-aFea)100-b-c-dCrbTcXd, where, T is at least one element selected from the group consisting of Mn, Mo, and V; X
An amorphous metal alloy having high tensile strength and high electrical resistivity is provided. The amorphous metal alloy has the following chemical composition, in atomic percent: (Co1-aFea)100-b-c-dCrbTcXd, where, T is at least one element selected from the group consisting of Mn, Mo, and V; X is at least one element selected from the group consisting of B, Si and P, and a, b, c and d satisfy the formulas of: 0≦a≦100, 4≦b≦25, 0≦c≦40, 15≦d≦35, respectively. An amorphous metal alloy is obtained having a tensile strength greater than 3500 MPa, and an electrical resistivity greater than 145 μΩ-cm.
대표청구항
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What is claimed is: 1. An amorphous metal alloy having a composition of the formula: CoaFebCrcSidBe wherein, Co is cobalt, Fe is iron, Cr is chromium, Si is silicon and B is boron, and a, b, c, d, and e represent the atomic percent of Co, Fe, Cr, Si and B respectively, and have the following va
What is claimed is: 1. An amorphous metal alloy having a composition of the formula: CoaFebCrcSidBe wherein, Co is cobalt, Fe is iron, Cr is chromium, Si is silicon and B is boron, and a, b, c, d, and e represent the atomic percent of Co, Fe, Cr, Si and B respectively, and have the following values: 20≦a≦50 1≦b≦10 4≦c≦25 5≦d≦12 10≦e≦20 a+b+c+d+e=100. 2. An amorphous metal alloy as defined in claim 1, said amorphous metal alloy having a tensile strength greater than 3500 MPa. 3. An amorphous metal alloy as defined in claim 1, said amorphous metal alloy having an electrical resistivity greater than 145 μΩ-cm. 4. An amorphous metal alloy as defined in claim 1, said amorphous metal alloy having a tensile strength greater than 4500 MPa, and an electrical resistivity greater than 160 μΩ-cm. 5. An amorphous metal alloy having a composition of the formula: CoaFebCrcSidBeTf wherein, Co is cobalt, Fe is iron, Cr is chromium, Si is silicon, B is boron and T is at least one element selected from the group comprised of manganese (Mn), molybdenum (Mo) and vanadium (V), and a, b, c, d, e and f represent the atomic percent of Co, Fe, Cr, Si, B and T respectively, and have the following values: 20≦a≦50 1≦b≦10 4≦c≦25 5≦d≦12 10≦e≦20 10≦f≦40, and a+b+c+d+e+f=100. 6. An amorphous metal alloy as defined in claim 5 having a tensile strength greater than 3500 MPa. 7. An amorphous metal alloy as defined in claim 5 having an electrical resistivity greater than 145 μΩ-cm. 8. An amorphous metal alloy as defined in claim 5 having a tensile strength greater than 4500 MPa, and an electrical resistivity greater than 160 μΩ-cm. 9. An amorphous metal alloy having a composition of the formula: CoaFebCrcSidBeTf wherein, Co is cobalt, Fe is iron, Cr is chromium, Si is silicon and B is boron, T is at least one element selected from the group comprised of manganese (Mn), molybdenum (Mo) and vanadium (V), and a, b, c, d, e and f represent the atomic percent of Co, Fe, Cr, Si, B and T respectively, and have the following values: 20≦a≦50 1≦b≦10 4≦c≦25 5≦d≦15 10≦e≦20 0≦f≦40 a+b+c+d+e+f=100. 10. An amorphous metal alloy as defined in claim 9 having a tensile strength greater than 3500 MPa. 11. An amorphous metal alloy as defined in claim 9 having an electrical resistivity greater than 145 μΩ-cm. 12. An amorphous metal alloy as defined in claim 9 having a tensile strength greater than 4500 MPa, and an electrical resistivity greater than 160 μΩ-cm. 13. An amorphous metal alloy as defined in claim 12, further comprising from about 40 to about 50 atomic percent cobalt, from about 1 to about 5 atomic percent iron, from about 10 to about 15 atomic percent silicon, from about 10 to about 15 atomic percent boron and from about 10 to about 40 atomic percent of at least one element selected from the group comprised of manganese (Mn), molybdenum (Mo) and vanadium (V). 14. An amorphous metal alloy as defined in claim 9, having the composition: Co46.5Fe4Cr24Si12B13.5, and having a tensile strength greater than 4500 MPa, and an electrical resistivity greater than 160 μΩ-cm. 15. An amorphous metal alloy as defined in claim 9, having the composition: Co46.5Fe4Cr4Mn20Si12B13.5, and having a tensile strength greater than 4500 MPa, and an electrical resistivity greater than 160 μΩ-cm. 16. An amorphous metal alloy as defined in claim 9, having the composition: Co46.5Fe4Cr4V20Si12B13.5, having a tensile strength greater than 4500 MPa. 17. An amorphous metal alloy as defined in claim 9, having the composition: Co26.5Fe4Cr4V40Si12B13.5, having a tensile strength greater than 4500 MPa.
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