CN103352183B - Mo-Zn-In system Fe-based amorphous alloy strip - Google Patents
Mo-Zn-In system Fe-based amorphous alloy strip Download PDFInfo
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- CN103352183B CN103352183B CN201310213199.1A CN201310213199A CN103352183B CN 103352183 B CN103352183 B CN 103352183B CN 201310213199 A CN201310213199 A CN 201310213199A CN 103352183 B CN103352183 B CN 103352183B
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Abstract
The invention discloses a kind of Mo-Zn-In system Fe-based amorphous alloy strip, its atomic percent forming each element is: Mo3-5, Zn8-10, In2-3, As0.5-0.8, Sb0.02-0.04, Bi0.9-1.2, Yb0.01-0.02, Lu0.03-0.04, Fe surplus.It is similar to conventional amorphous band preparation method that the present invention prepares amorphous band, the application is dopant material based on Mo-Zn-In, add other compositions such as Sb, Bi, Yb, optimize thermal treatment process, the obvious stress distribution improving amorphous alloy strips, make amorphous alloy material of the present invention have excellent toughness, good plasticity, excellent soft magnetic performance and good amorphous formation ability, various amorphous thin ribbon annulus material can be widely used in.
Description
Technical field
The present invention relates to magnetic functional material field, particularly a kind of iron-based non-crystalline alloy strip and preparation method thereof of excellent property, can be widely used in various amorphous thin ribbon annulus material.
Background technology
Existing magnetic core of transformer many employings siliconized plate makes, although it has higher saturated magnetic strength (2.0T), medium-frequency loss is large, and energy consumption is high.Non-crystaline amorphous metal starts for transformer amorphous strip annulus material, but its saturated magnetic strength is less than silicon steel, applies limited, therefore, developing a kind of amorphous thin ribbon heat with high saturated magnetic strength and Low Medium Frequency loss, is the research emphasis of transformer amorphous strip annulus material.
Summary of the invention
The object of this invention is to provide a kind of Mo-Zn-In system Fe-based amorphous alloy strip and preparation method thereof, it has high saturated magnetic strength and Low Medium Frequency loss.
The invention provides following technical scheme:
A kind of Mo-Zn-In system Fe-based amorphous alloy strip, is characterized in that: its atomic percent forming each element is: Mo3-5, Zn8-10, In2-3, As0.5-0.8, Sb0.02-0.04, Bi0.9-1.2, Yb0.01-0.02, Lu0.03-0.04, Fe surplus.
The preparation method of described Mo-Zn-In system Fe-based amorphous alloy strip, comprises by each Elements Atom per-cent batching, is heated to 1200-1500 DEG C, melts and be prepared into molten alloy; At CO2 and N
2under mixed atmosphere protection, molten alloy is ejected into rapid quench on copper roller, obtains amorphous alloy ribbon and be wound into annulus; The ratio CO2:N of mixed atmosphere
2=1:2-3; It is characterized in that: be placed in the first heat treatment furnace by the amorphous thin ribbon annulus obtained, place the additional longitudinal pulsed magnetic field of part of described amorphous thin ribbon annulus in the first heat treatment furnace, frequency is 20-30Hz, the strong 0.8-0.9T in magnetic field; With 6-8 DEG C/min of speed, be warming up to 380-420 DEG C, insulation 40-60 minute; Then amorphous thin ribbon annulus is sent in the second heat treatment furnace, place the part applying dc magnetic field of described amorphous thin ribbon annulus, magnetic field size 80-100Oe; To being less than 10Pa after vacuumizing, then applying argon gas is to 0.3-0.4MPa, with 6-10 DEG C/min of speed, is warming up to 300-320 DEG C, insulation 18-25 minute; Continue with 8-10 DEG C/min of speed, be warming up to 480-500 DEG C, insulation 10-15 minute; Stop heating, treat that amorphous thin ribbon annulus is cooled to less than 45 DEG C, take out from heat treatment furnace.
It is similar to conventional amorphous band preparation method that the present invention prepares amorphous band, the application is dopant material based on Mo-Zn-In, add other compositions such as Sb, Bi, Yb, optimize thermal treatment process, the obvious stress distribution improving amorphous alloy strips, make amorphous alloy material of the present invention have excellent toughness, good plasticity, excellent soft magnetic performance and good amorphous formation ability, various amorphous thin ribbon annulus material can be widely used in.
Embodiment
A kind of Mo-Zn-In system Fe-based amorphous alloy strip, its atomic percent forming each element is: Mo3, Zn8, In3, As0.5, Sb0.04, Bi1.2, Yb0.01, Lu0.04, Fe surplus.
The preparation method of Mo-Zn-In system Fe-based amorphous alloy strip, comprises by each Elements Atom per-cent batching, is heated to 1200-1500 DEG C, melts and be prepared into molten alloy; At CO2 and N
2under mixed atmosphere protection, molten alloy is ejected into roller speed for rapid quench on 22-28m/s copper roller, obtains the amorphous thin ribbon that width is 5 ± 0.2mm, thickness is 28 ± 5 μm.Amorphous thin ribbon is wound into annulus, internal diameter 1 centimetre, external diameter 2.5 centimetres; The ratio CO2:N of mixed atmosphere
2=1:2; The present invention carries out following steps successively:
Be placed in the first heat treatment furnace by the amorphous thin ribbon annulus obtained, place the additional longitudinal pulsed magnetic field of part of described amorphous thin ribbon annulus in the first heat treatment furnace, frequency is 20Hz, the strong 0.8-0.9T in magnetic field; With 6-8 DEG C/min of speed, be warming up to 410-420 DEG C, insulation 50-60 minute; Then amorphous thin ribbon annulus is sent in the second heat treatment furnace, place the part applying dc magnetic field of described amorphous thin ribbon annulus, magnetic field size 80-90Oe; To being less than 10Pa after vacuumizing, then applying argon gas is to 0.3MPa, with 8-10 DEG C/min of speed, is warming up to 300-320 DEG C, insulation 18-20 minute; Continue with 8-10 DEG C/min of speed, be warming up to 480-500 DEG C, insulation 10-12 minute; Stop heating, treat that amorphous thin ribbon annulus is cooled to less than 45 DEG C, take out from heat treatment furnace.
Performance Detection:
Test condition is magnetic strength 1.1T, and frequency is 50Hz, is designated as P11/50.The saturation induction density Bs of alloy adopts static magnetic performance survey meter, take magnetic field as the saturation induction density Bs of the magnetic induction density under 800A/m as alloy, and the coercivity H of alloy adopts B-H magnetic hysteresis loop tester to record.
Saturation induction density Bs of the present invention is 1.96T, and coercivity H is all at 2.7A/m, and loss P11/50 is at 0.21W/kg, and breaking strain ε f is more than 0.025, and ductile-brittle transition temperature TDB is all more than 150 DEG C.
Claims (1)
1. a Mo-Zn-In system Fe-based amorphous alloy strip, is characterized in that: its atomic percent forming each element is: Mo3-5, Zn8-10, In2-3, As0.5-0.8, Sb0.02-0.04, Bi0.9-1.2, Yb0.01-0.02, Lu0.03-0.04, Fe surplus;
The preparation method of described Mo-Zn-In system Fe-based amorphous alloy strip, comprises by each Elements Atom per-cent batching, is heated to 1200-1500 DEG C, melts and be prepared into molten alloy; At CO
2and N
2under mixed atmosphere protection, molten alloy is ejected into rapid quench on copper roller, obtains amorphous alloy ribbon and be wound into annulus; The ratio CO of mixed atmosphere
2: N
2=1:2-3; It is characterized in that: be placed in the first heat treatment furnace by the amorphous thin ribbon annulus obtained, place the additional longitudinal pulsed magnetic field of part of described amorphous thin ribbon annulus in the first heat treatment furnace, frequency is 20-30Hz, the strong 0.8-0.9T in magnetic field; With 6-8 DEG C/min of speed, be warming up to 380-420 DEG C, insulation 40-60 minute; Then amorphous thin ribbon annulus is sent in the second heat treatment furnace, place the part applying dc magnetic field of described amorphous thin ribbon annulus, magnetic field size 80-100Oe; To being less than 10Pa after vacuumizing, then applying argon gas is to 0.3-0.4MPa, with 6-10 DEG C/min of speed, is warming up to 300-320 DEG C, insulation 18-25 minute; Continue with 8-10 DEG C/min of speed, be warming up to 480-500 DEG C, insulation 10-15 minute; Stop heating, treat that amorphous thin ribbon annulus is cooled to less than 45 DEG C, take out from heat treatment furnace.
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| CN201310213199.1A CN103352183B (en) | 2013-05-31 | 2013-05-31 | Mo-Zn-In system Fe-based amorphous alloy strip |
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| CN201310213199.1A CN103352183B (en) | 2013-05-31 | 2013-05-31 | Mo-Zn-In system Fe-based amorphous alloy strip |
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| CN103352183A CN103352183A (en) | 2013-10-16 |
| CN103352183B true CN103352183B (en) | 2015-12-02 |
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Effective date of registration: 20190528 Address after: 239500 Economic Development Zone of Quanjiao County, Chuzhou City, Anhui Province, No. 12-19 Jingsan Road Patentee after: Chuzhou Hangyou Electric Co., Ltd. Address before: 239500 Chuzhou Quanjiao County Economic Development Zone, Anhui Province Patentee before: Quanjiao Junhong Soft Magnetic Materials Co., Ltd. |