Claims
- 1. A soft magnetic amorphous alloy comprising a composition of at least one element of Fe, Co, and Ni as a main component, and at least one element of Zr, Nb, Ta, Hf, Mo, Ti and V, and B, wherein the temperature width ΔTx of a supercooled liquid region is 50° C. or more, wherein ΔTx is expressed by the equation ΔTx=Tx−Tg, wherein Tx indicates the crystallization temperature, and Tg indicates the glass transition temperature, and wherein the magnetic permeability is at least about 1500 at about 1 kHz, and wherein the composition is expressed by the following formula:(Fe1−a−bCoaNib)100−x−yMxBy wherein 0≦a≦0.29, 0≦b≦0.43, 5 atomic %≦x≦20 atomic %, 10atomic %≦y≦22 atomic %, and M is at least one element of Zr, Nb, Ta, Hf, Mo, Ti and V.
- 2. A soft magnetic amorphous alloy according to claim 1, wherein the at least one element comprises Zr and wherein the soft magnetic amorphous alloys has a ΔTx of 50° C. or more.
- 3. A soft magnetic amorphous alloy according to claim 1, wherein the composition subscripts a and b satisfy the relations 0.042≦a≦0.29 and 0.042≦b≦0.43, respectively.
- 4. A soft magnetic amorphous alloy according to claim 1, wherein the composition subscripts a and b satisfy the relations 0.042≦a≦0.25 and 0.042≦b≦0.1, respectively.
- 5. A soft magnetic amorphous alloy according to claim 1, wherein the element M is expressed by (M′1−cM″c) wherein M′ is one or both of Zr and Hf, M″ is at least one element of Nb, Ta, Mo, Ti and V, and 0≦c≦0.6.
- 6. A soft magnetic amorphous alloy according to claim 5, wherein the composition subscript c is in the range of 0.2≦c≦0.4.
- 7. A soft magnetic amorphous alloy according to claim 5, wherein the composition subscript c is in the range of 0≦c≦0.2.
- 8. A soft magnetic amorphous alloy comprising a composition of at least one element of Fe, Co, and Ni as a main component, at least one element of Zr, Nb, Ta, Hf, Mo, Ti and V, and B, wherein the temperature width ΔTx of a supercooled liquid region is 50° C. or more, wherein ΔTx is expressed by the equation ΔTx=Tx−Tg, wherein Tx indicates the crystallization temperature, and Tg indicates the glass transition temperatures, and wherein the magnetic permeability is at least about 1500 at about 1 kHz, and wherein the composition is expressed by the following formula:(Fe1−a−bCoaNib)100−x−y−zMxByTz wherein 0≦a≦0.29, 0≦b≦0.43, 5 atomic %≦x≦20 atomic %, 10 atomic %≦y≦22 atomic %, 0 atomic %≦z≦5 atomic %, M is at least one element of Zr, Nb, Ta, Hf, Mo, Ti and V, and T is at least one element of Cr, W, Ru, Rh, Pd, Os, Ir, Pt, Al, Si, Ge, C and P.
- 9. A soft magnetic amorphous alloy according to claim 8, wherein the composition subscripts a and b satisfy the relations 0.042≦a≦0.29 and 0.042≦b≦0.43, respectively.
- 10. A soft magnetic amorphous alloy according to claim 8, wherein the composition subscripts a and b satisfy the relations 0.042≦a≦0.25 and 0.042≦b≦0.2, respectively.
- 11. A soft magnetic amorphous alloy according to claim 8, wherein the element M is expressed by (M′1−cM″c) wherein M′ is one or both of Zr and Hf, M″ is at least one element of Nb, Ta, Mo, Ti and V, and 0≦c≦0.6.
- 12. A soft magnetic amorphous alloy according to claim 11, wherein the composition subscript c is in the range of 0.2≦c≦0.4.
- 13. A soft magnetic amorphous alloy according to claim 11, wherein the composition subscript c is in the range of 0≦c≦0.2.
- 14. A high hardness amorphous alloy comprising a composition of at least one element of Fe, Co, and Ni as a main component, at least one element of Zr, Nb, Ta, Hf, Mo, Ti and V, and B, wherein the temperature width ΔTx of a supercooled liquid region is 50° C. or more, wherein ΔTx is expressed by the equation ΔTx=Tx−Tg, wherein Tx indicates the crystallization temperature, and Tg indicates the glass transition temperature, and wherein the hardness is about 1300 to about 1500 Hv, and wherein the composition is expressed by the following formula:(Fe1−a−bCoaNib)100−x−y−MxBy wherein 0≦a≦0.29, 0≦b≦0.43, 5 atomic %≦x≦20 atomic %, 10 atomic %≦y≦22 atomic %, and M is at least one element of Zr, Nb, Ta, Hf, Mo, Ti and V.
- 15. A high hardness amorphous alloy according to claim 14, wherein the at least one element comprises Zr and wherein the high hardness amorphous alloy has a ΔTx of 50° C. or more.
- 16. A soft magnetic amorphous alloy according to claim 14, wherein the composition subscripts a and b satisfy the relations 0.042≦a≦0.29 and 0.042≦b≦0.43, respectively.
- 17. A soft magnetic amorphous alloy according to claim 1, wherein the composition subscripts a and b satisfy the relations 0.042≦a≦0.25 and 0.042≦b ≦0.1, respectively.
- 18. A soft magnetic amorphous alloy according to claim 14, wherein the element M is expressed by (M′1−cM″c) wherein M′ is one or both of Zr and Hf, M″ is at least one element of Nb, Ta, Mo, Ti and V, and 0≦c≦0.6.
- 19. A soft magnetic amorphous alloy according to claim 18, wherein the composition subscript c is in the range of 0.2≦c≦0.4.
- 20. A soft magnetic amorphous alloy according to claim 18, wherein the composition subscript c is in the range of 0≦c≦0.2.
- 21. A high hardness amorphous alloy comprising a composition of at least one element of Fe, Co, and Ni as a main component, at least one element of Zr, Nb, Ta, Hf, Mo, Ti and V, and B, wherein the temperature width ΔTx of a supercooled liquid region is 50° C. or more, wherein ΔTx is expressed by the equation ΔTx=Tx−Tg, wherein Tx indicates the crystallization temperature, and Tg indicates the glass transition temperature, and wherein the hardness is about 1300 to about 1500 Hv, and wherein the composition is expressed by the following formula:(Fe1−a−bCoaNib)100−x−y−zMxByTz wherein 0≦a≦0.29, 0≦b≦0.43, 5 atomic %≦x≦20 atomic %, 10 atomic %≦y≦22 atomic %, 0 atomic %≦z≦5 atomic %, T is at least one element of Cr, W, Ru, Rh, Pd, Os, Ir, Pt, Al, Si, Ge, C and P, and M is at least one element of Zr, Nb, Ta, Hf, Mo, Ti and V.
- 22. A soft magnetic amorphous alloy according to claim 21, wherein the composition subscripts a and b satisfy the relations 0.042≦a≦0.29 and 0.042≦b≦0.43, respectively.
- 23. A soft magnetic amorphous alloy according to claim 21, wherein the composition subscripts a and b satisfy the relations 0.042≦a≦0.25 and 0.042≦b≦0.1, respectively.
- 24. A soft magnetic amorphous alloy according to claim 21, wherein the element M is expressed by (M′1−cM″c) wherein M′ is one or both of Zr and Hf, M″ is at least one element of Nb, Ta, Mo, Ti and V, and 0≦c≦0.6.
- 25. A high hardness amorphous alloy according to claim 24, wherein the composition subscript c is in the range of 0.2≦c≦0.4.
- 26. A high hardness amorphous alloy according to claim 24, wherein the composition subscript c is in the range of 0≦c≦0.2.
- 27. A high hardness tool comprising a base material comprising a high hardness amorphous alloy composition containing at least one element of Fe, Co, and Ni as a main component, at least one element of Zr, Nb, Ta, Hf, Mo, Ti and V, and B, wherein the temperature width ΔTx of a supercooled liquid region in 50° C. or more wherein ΔTx is expressed by the equation ΔTx=Tx−Tg wherein Tx indicates the crystallization temperature, and Tg indicates the glass transition temperature, and wherein the composition is expressed by the following composition formula:(Fe1−a−bCoaNib)100−x−yMxBy wherein 0≦a≦0.29, 0≦b≦0.43, 5 atomic %≦x≦20 atomic %, 10 atomic %≦y≦22 atomic %, and M is at least one element of Zr, Nb, Ta, Hf, Mo, Ti and V.
- 28. A high hardness amorphous alloy according to claim 27, wherein the at least one element comprises Zr and wherein the high hardness amorphous alloy has a ΔTx of 50° C. or more.
- 29. A high hardness amorphous alloy according to claim 27, wherein the composition subscripts a and b satisfy the relations 0.042≦a≦0.29 and 0.042≦b≦0.43, respectively.
- 30. A high hardness amorphous alloy according to claim 27, wherein the composition subscripts a and b satisfy the relations 0.042≦a≦0.25 and 0.042≦b≦0.1, respectively.
- 31. A soft magnetic amorphous alloy according to claim 27, wherein the element M is expressed by (M′1−cM″c) wherein M′ is one or both of Zr and Hf, M″ is at least one element of Nb, Ta, Mo, Ti and V, and 0≦c≦0.6.
- 32. A high hardness amorphous alloy according to claim 31, wherein the composition subscript c is in the range of 0.2≦c≦0.4.
- 33. A high hardness amorphous alloy according to claim 31, wherein the composition subscript c is in the range of 0≦c≦0.2.
- 34. A high hardness tool comprising a base material comprising a high hardness amorphous alloy composition containing at least one element of Fe, Co, and Ni as a main component, at least one element of Zr, Nb, Ta, Hf, Mo, Ti and V, and B, wherein the temperature width ΔTx of a supercooled liquid region is 50° C. or more, wherein ΔTx is expressed by the equation ΔTx=Tx−Tg, wherein Tx indicates the crystallization temperature, and Tg indicates the glass transition temperature, and wherein the composition is expressed by the following formula:(Fe1−a−bCoaNib)100−x−y−zMxByTz wherein 0≦a≦0.29, 0≦b≦0.43, 5 atomic %≦x≦20 atomic %, 10 atomic %≦y≦22 atomic %, 0 atomic %≦z≦5 atomic %, M is at least one element of Zr, Nb, Ta, Hf, Mo, Ti and V, and T is at least one element of Cr, W, Ru, Rh, Pd, Os, Ir, Pt, Al, Si, Ge, C and P.
- 35. A high hardness tool according to claim 34, wherein the composition subscripts a and b satisfy the relations 0.042≦a≦0.29 and 0.042≦b≦0.43, respectively.
- 36. A high hardness tool according to claim 34, wherein the composition subscripts a and b satisfy the relations 0.042≦a≦0.25 and 0.042≦b≦0.1, respectively.
- 37. A soft magnetic amorphous alloy according to claim 34, wherein the element M is expressed by (M′1−cM″c) wherein M′ is one or both of Zr and Hf, M″ is at least one element of Nb, Ta, Mo, Ti and V, and 0≦c≦0.6.
- 38. A high hardness amorphous alloy according to claim 37, wherein the composition subscript c is in the range of 0.2≦c≦0.4.
- 39. A high hardness amorphous alloy according to claim 37, wherein the composition subscript c is in the range of 0≦c≦0.2.
- 40. A high hardness amorphous alloy comprising a composition containing at least one element of Fe, Co, and Ni as a main component, at least one element of Zr, Nb, Ta, Hf, Mo, Ti and V, and B, wherein the temperature width ΔTx of a supercooled liquid region is 50° C. or more, wherein ΔTx is expressed by the equation ΔTx=Tx−Tg, wherein Tx indicates the crystallization temperature, and Tg indicates the glass transition temperature, wherein the composition has a Vickers hardness of about 1300 to about 1500 Hv, and wherein the composition is expressed by the following formula:(Fe1−a−bCoaNib)100−x−y−zMxByTz wherein 0≦a≦0.29, 0≦b≦0.43, 5 atomic %≦x≦20 atomic %, 10 atomic %≦y≦22 atomic %, 0 atomic %≦z≦5 atomic %, M is at least one element of Zr, Nb, Ta, Hf, Mo, Ti and V, and T is at least one element of Cr, W, Ru, Rh, Pd, Os, Ir, Pt, Al, Si, Ge, C and P.
- 41. A high hardness amorphous alloy according to claim 40, wherein the at least one element comprises Zr and wherein the soft magnetic amorphous alloys has a ΔTx of 50° C. or more.
- 42. A high hardness amorphous alloy according to claim 40, wherein the composition subscripts a and b satisfy the relations 0.042≦a≦0.29 and 0.042≦b≦0.43, respectively.
- 43. A high hardness amorphous alloy according to claim 40, wherein the composition subscripts a and b satisfy the relations 0.042≦a≦0.25 and 0.042≦b≦0. 1, respectively.
- 44. A high hardness amorphous alloy according to claim 40, wherein the element M is expressed by (M′1−cM″c) wherein M′ is one or both of Zr and Hf, M″ is at least one element of Nb, Ta, Mo, Ti and V, and 0≦c≦0.6.
- 45. A high hardness amorphous alloy according to claim 44, wherein the composition subscript c is in the range of 0.2≦c≦0.4.
- 46. A high hardness amorphous alloy according to claim 44, wherein the composition subscript c is in the range of 0≦c≦0.2.
Priority Claims (5)
Number |
Date |
Country |
Kind |
9-10693 |
Jan 1997 |
JP |
|
9-072470 |
Mar 1997 |
JP |
|
9-072473 |
Mar 1997 |
JP |
|
9-200555 |
Jul 1997 |
JP |
|
9-235287 |
Aug 1997 |
JP |
|
Parent Case Info
This application is a continuation of application Ser. No. 09/010,800 filed Jan. 22, 1998, now U.S. Pat. No. 5,976,274 and is incorporated by reference herein.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
4187128 |
Billings et al. |
Feb 1980 |
|
5738733 |
Inoue |
Apr 1998 |
|
Continuations (1)
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Number |
Date |
Country |
Parent |
09/010800 |
Jan 1998 |
US |
Child |
09/353937 |
|
US |