CN108922717A - A kind of Fe-based amorphous alloy composite magnetic powder preparation process - Google Patents

A kind of Fe-based amorphous alloy composite magnetic powder preparation process Download PDF

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Publication number
CN108922717A
CN108922717A CN201810801088.5A CN201810801088A CN108922717A CN 108922717 A CN108922717 A CN 108922717A CN 201810801088 A CN201810801088 A CN 201810801088A CN 108922717 A CN108922717 A CN 108922717A
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China
Prior art keywords
amorphous alloy
fragment
silicon steel
amorphous
alloy
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CN201810801088.5A
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Inventor
丁鸿飞
柯强
胡昌才
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Wuhu Jun Hua Materials Co Ltd
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Wuhu Jun Hua Materials Co Ltd
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Priority to CN201810801088.5A priority Critical patent/CN108922717A/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/147—Alloys characterised by their composition
    • H01F1/153—Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15341—Preparation processes therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B22F2009/043—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by ball milling

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Soft Magnetic Materials (AREA)

Abstract

The invention discloses a kind of Fe-based amorphous alloy composite magnetic powder preparation processes, include the following steps：Amorphous alloy mother ingot is made Step 1: amorphous powdered alloy is prepared raw material and weighs melting according to the proportion；Step 2: the female ingot of the gold of amorphous alloy made from step 1 is heated to 1300~1350 DEG C；Step 3: the aluminium alloy of melting is cast on fast quenching list roller, while smash the cooling amorphous alloy strips projected on fast quenching list roller as amorphous alloy fragment amorphous alloy strips by blade mill；Step 4: silicon steel fragment is made；Step 5: weighing the amorphous alloy fragment of step 3 preparation and the silicon steel fragment of step 4 preparation according to the proportion of 3 ︰ 2 of mass ratio, mill until the powder diameter of amorphous alloy fragment and silicon steel fragment is less than 50 microns.The present invention mentions the high saturated magnetic induction that the amorphous alloy composite cores prepared had not only had amorphous alloy material, but also has the lower coercivity properties of silicon steel sheet.

Description

A kind of Fe-based amorphous alloy composite magnetic powder preparation process
Technical field
The present invention relates to a kind of amorphous alloy composite material fabricating technology field, especially a kind of Fe-based amorphous alloy Composite magnetic powder preparation process.
Background technique
Amorphous alloy material above has the long-range unordered structure feature of atomic arrangement microcosmic, therefore can show preferably Magnetic property, suitable for manufacturing current transformer, voltage transformer and the magnetic core of transformer, and compared to conventional silicon steel sheet Magnetic core, amorphous alloy magnetic core embody preferably in various aspects such as high saturated magnetic induction, magnetic conductivity, excitation current and iron loss Performance.
But difference of the amorphous alloy material according to its component, the coercivity with higher having, and some then have compared with Low coercivity needs to select the lesser material of coercivity for transformer, so that it is guaranteed that the magnetic core after failure of current Magnetism can disappear, and conventional iron silicon boron system amorphous alloy magnetic material, coercivity still exists centainly compared to silicon steel sheet Gap.For this reason, it is necessary to provide a kind of Fe-based amorphous alloy composite magnetic powder preparation process, keep the amorphous alloy prepared compound Magnetic core had not only had the high saturated magnetic induction of amorphous alloy material, but also had the lower coercivity properties of silicon steel sheet.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of Fe-based amorphous alloy composite magnetic powder preparation process, Make the amorphous alloy composite cores prepared that not only there is the high saturated magnetic induction of amorphous alloy material, but also there is silicon steel sheet Lower coercivity properties.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of Fe-based amorphous alloy composite magnetic powder preparation process, includes the following steps：
It puts into Step 1: amorphous powdered alloy is prepared after raw material is weighed according to the proportion of element mass percent with airtight In the medium frequency induction melting furnace of property, then to vacuumizing in medium frequency induction melting furnace, then heating magnetically material prepares raw material extremely 1300~1500 DEG C, so that magnetic material is prepared the abundant melting mixing of raw material, be then further continued for melting 5~10 minutes, it is cooling to be made Amorphous alloy mother's ingot；
Step 2: the female ingot of the gold of amorphous alloy made from step 1 is put into the medium frequency induction melting furnace with air-tightness, so Afterwards to vacuumizing in medium frequency induction melting furnace, amorphous alloy mother ingot is then heated to 1300~1350 DEG C；
Step 3: the aluminium alloy of melting is cast on fast quenching list roller, while making fast quenching after amorphous alloy mother ingot melts completely The cooling amorphous alloy strips projected are smashed amorphous alloy strips broken as amorphous alloy by blade mill on single roller Piece；
It is put into vacuum calcining furnace Step 4: silicon steel powder is prepared after raw material is weighed according to the proportion of element mass percent Calcined, the temperature of calcining is 1250~1300 DEG C, calcination time be subsequently placed within 30 minutes natural cooling in air, then into Row annealing cold rolling, annealing temperature are 550~650 DEG C, and cold de-rate of annealing is 5~10 DEG C/min, and silicon steel fragment is made；
Step 5: weighing the amorphous alloy fragment of step 3 preparation and the silicon steel of step 4 preparation according to the proportion of 3 ︰ 2 of mass ratio Then amorphous alloy fragment and silicon steel fragment are placed in vibrator and mill 12 hours~24 hours by fragment, until amorphous The powder diameter of alloy fragment and silicon steel fragment is less than 50 microns.
As a further improvement of the above technical scheme, in step 1, the amorphous powdered alloy includes following quality The element of percentage：Element silicon 8%~12%, boron element 5%~8%, manganese element 1.0%~1.8%, cobalt element 0.5%~1.3%, vanadium Element 1.2%~2.2%, carbon 2.5%~4.0%, surplus ferro element；
In step 4, the silicon steel powder includes the element of following mass percent：The iron member of element silicon 5%~8%, surplus Element；
In step 5, the mixing mass ratio of the silicon steel fragment of the amorphous alloy fragment and step 4 preparation of step 3 preparation is 3 ︰ （1~5）.
As a further improvement of the above technical scheme, in step 1, the amorphous powdered alloy includes following quality The element of percentage：It is element silicon 9%, boron element 7%, manganese element 1.4%, cobalt element 0.8%, vanadium 1.7%, carbon 3.3%, remaining The ferro element of amount；
In step 4, the silicon steel powder includes the element of following mass percent：The ferro element of element silicon 6.5%, surplus；
In step 5, the mixing mass ratio of the silicon steel fragment of the amorphous alloy fragment and step 4 preparation of step 3 preparation is 3 ︰ 2。
Compared with prior art, the beneficial effects of the invention are as follows：
A kind of Fe-based amorphous alloy composite magnetic powder preparation process provided by the present invention, by prepare amorphous alloy fragment and Silicon steel fragment, and amorphous alloy fragment and silicon steel fragment are pulverized and mixed obtained mixed-powder, make the amorphous alloy prepared Composite cores had not only had the high saturated magnetic induction of amorphous alloy material, but also had the lower coercivity properties of silicon steel sheet；System The saturation magnetic induction of the standby amorphous alloy composite cores obtained is the T of 2.0 T~2.9, the coercivity A/m of 1.8 A/m~3.5, Exciting power when 1.35T/50Hz is the VA/kg of 0.30 VA/kg~1.15.
Specific embodiment
Carry out the technology contents that present invention be described in more detail below in conjunction with specific embodiments.
Specific embodiment 1
A kind of Fe-based amorphous alloy composite magnetic powder preparation process, includes the following steps provided by the present embodiment：
It puts into Step 1: amorphous powdered alloy is prepared after raw material is weighed according to the proportion of element mass percent with airtight In the medium frequency induction melting furnace of property, then to vacuumizing in medium frequency induction melting furnace, then heating magnetically material prepares raw material extremely 1300~1500 DEG C, so that magnetic material is prepared the abundant melting mixing of raw material, be then further continued for melting 5~10 minutes, it is cooling to be made Amorphous alloy mother's ingot；
The amorphous powdered alloy includes the element of following mass percent：Element silicon 9%, boron element 7%, manganese element 1.4%, cobalt Element 0.8%, vanadium 1.7%, carbon 3.3%, surplus ferro element.
Step 2: the female ingot of the gold of amorphous alloy made from step 1 is put into the medium frequency induction melting furnace with air-tightness In, then to vacuumizing in medium frequency induction melting furnace, amorphous alloy mother ingot is then heated to 1300~1350 DEG C.
Step 3: the aluminium alloy of melting is cast on fast quenching list roller, is made simultaneously after amorphous alloy mother ingot melts completely Amorphous alloy strips are smashed and are closed as amorphous by blade mill by the cooling amorphous alloy strips projected on fast quenching list roller Golden fragment.
Vacuum calcining is put into Step 4: silicon steel powder is prepared after raw material is weighed according to the proportion of element mass percent It is calcined in furnace, the temperature of calcining is 1250~1300 DEG C, and calcination time is to be subsequently placed in natural cooling in air in 30 minutes, Annealing cold rolling is carried out again, and annealing temperature is 550~650 DEG C, and cold de-rate of annealing is 5~10 DEG C/min, and silicon steel fragment is made；
The silicon steel powder includes the element of following mass percent：The ferro element of element silicon 6.5%, surplus.
Step 5: prepared according to the amorphous alloy fragment and step 4 of the proportion weighing step 3 preparation of 3 ︰ 2 of mass ratio Then amorphous alloy fragment and silicon steel fragment are placed in vibrator and mill 12 hours~24 hours by silicon steel fragment, until The powder diameter of amorphous alloy fragment and silicon steel fragment is less than 50 microns.
A kind of magnetic powder that Fe-based amorphous alloy composite magnetic powder preparation process prepares, is processed into provided by the present embodiment After magnetic core, saturation magnetic induction is the T of 2.5 T~2.7, exciting power when coercivity 1.8 A/m~2.2 A/m, 1.35T/50Hz For the VA/kg of 0.30 VA/kg~0.50.
Specific embodiment 2
A kind of Fe-based amorphous alloy composite magnetic powder preparation process provided by the present embodiment, specific steps and specific embodiment 1 It is identical, the difference is that：
In step 1, the amorphous powdered alloy includes the element of following mass percent：Element silicon 8%, boron element 8%, manganese Element 1.8%, cobalt element 0.5%, vanadium 1.2%, carbon 4.0%, surplus ferro element.
In step 4, the silicon steel powder includes the element of following mass percent：The iron member of element silicon 5%, surplus Element.
A kind of magnetic powder that Fe-based amorphous alloy composite magnetic powder preparation process prepares, is processed into provided by the present embodiment After magnetic core, saturation magnetic induction is the T of 2.0 T~2.2, exciting power when coercivity 2.1 A/m~2.4 A/m, 1.35T/50Hz For the VA/kg of 0.60 VA/kg~0.95.
Specific embodiment 3
A kind of Fe-based amorphous alloy composite magnetic powder preparation process provided by the present embodiment, specific steps and specific embodiment 1 It is identical, the difference is that：
In step 1, the amorphous powdered alloy includes the element of following mass percent：Element silicon 12%, boron element 5%, manganese Element 1.0%, cobalt element 1.3%, vanadium 2.2%, carbon 2.5%, surplus ferro element.
In step 4, the silicon steel powder includes the element of following mass percent：The iron member of element silicon 8%, surplus Element.
A kind of magnetic powder that Fe-based amorphous alloy composite magnetic powder preparation process prepares, is processed into provided by the present embodiment After magnetic core, saturation magnetic induction is the T of 2.6 T~2.9, exciting power when coercivity 3.1 A/m~3.5 A/m, 1.35T/50Hz For the VA/kg of 0.85 VA/kg~1.15.
Better embodiment of the invention is illustrated above, certainly, the present invention can also using with it is above-mentioned The different form of embodiment, those skilled in the art are made equivalent on the premise of without prejudice to spirit of the invention Transformation or corresponding change, all should belong in protection scope of the present invention.

Claims (3)

1. a kind of Fe-based amorphous alloy composite magnetic powder preparation process, which is characterized in that include the following steps：
It puts into Step 1: amorphous powdered alloy is prepared after raw material is weighed according to the proportion of element mass percent with airtight In the medium frequency induction melting furnace of property, then to vacuumizing in medium frequency induction melting furnace, then heating magnetically material prepares raw material extremely 1300~1500 DEG C, so that magnetic material is prepared the abundant melting mixing of raw material, be then further continued for melting 5~10 minutes, it is cooling to be made Amorphous alloy mother's ingot；
Step 2: the female ingot of the gold of amorphous alloy made from step 1 is put into the medium frequency induction melting furnace with air-tightness, so Afterwards to vacuumizing in medium frequency induction melting furnace, amorphous alloy mother ingot is then heated to 1300~1350 DEG C；
Step 3: the aluminium alloy of melting is cast on fast quenching list roller, while making fast quenching after amorphous alloy mother ingot melts completely The cooling amorphous alloy strips projected are smashed amorphous alloy strips broken as amorphous alloy by blade mill on single roller Piece；
It is put into vacuum calcining furnace Step 4: silicon steel powder is prepared after raw material is weighed according to the proportion of element mass percent Calcined, the temperature of calcining is 1250~1300 DEG C, calcination time be subsequently placed within 30 minutes natural cooling in air, then into Row annealing cold rolling, annealing temperature are 550~650 DEG C, and cold de-rate of annealing is 5~10 DEG C/min, and silicon steel fragment is made；
Step 5: weighing the amorphous alloy fragment of step 3 preparation and the silicon steel of step 4 preparation according to the proportion of 3 ︰ 2 of mass ratio Then amorphous alloy fragment and silicon steel fragment are placed in vibrator and mill 12 hours~24 hours by fragment, until amorphous The powder diameter of alloy fragment and silicon steel fragment is less than 50 microns.
2. a kind of Fe-based amorphous alloy composite magnetic powder preparation process according to claim 1, it is characterised in that：In step 1 In, the amorphous powdered alloy includes the element of following mass percent：Element silicon 8%~12%, boron element 5%~8%, manganese element 1.0%~1.8%, cobalt element 0.5%~1.3%, vanadium 1.2%~2.2%, carbon 2.5%~4.0%, surplus ferro element；
In step 4, the silicon steel powder includes the element of following mass percent：The iron member of element silicon 5%~8%, surplus Element；
In step 5, the mixing mass ratio of the silicon steel fragment of the amorphous alloy fragment and step 4 preparation of step 3 preparation is 3 ︰ （1~5）.
3. a kind of Fe-based amorphous alloy composite magnetic powder preparation process according to claim 1, it is characterised in that：In step 1 In, the amorphous powdered alloy includes the element of following mass percent：Element silicon 9%, boron element 7%, manganese element 1.4%, cobalt member Plain 0.8%, the ferro element of vanadium 1.7%, carbon 3.3%, surplus；
In step 4, the silicon steel powder includes the element of following mass percent：The ferro element of element silicon 6.5%, surplus；
In step 5, the mixing mass ratio of the silicon steel fragment of the amorphous alloy fragment and step 4 preparation of step 3 preparation is 3 ︰ 2。
CN201810801088.5A 2018-07-20 2018-07-20 A kind of Fe-based amorphous alloy composite magnetic powder preparation process Withdrawn CN108922717A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1787127A (en) * 2005-12-28 2006-06-14 安泰科技股份有限公司 Composite powder for magnetic powder core and preparation process for magnetic powder core
CN107240472A (en) * 2017-07-29 2017-10-10 芜湖君华材料有限公司 A kind of Fe-based amorphous alloy material and its production method
CN107240471A (en) * 2017-05-18 2017-10-10 安泰科技股份有限公司 The composite magnetic powder of high saturated magnetic induction, magnetic core and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1787127A (en) * 2005-12-28 2006-06-14 安泰科技股份有限公司 Composite powder for magnetic powder core and preparation process for magnetic powder core
CN107240471A (en) * 2017-05-18 2017-10-10 安泰科技股份有限公司 The composite magnetic powder of high saturated magnetic induction, magnetic core and preparation method thereof
CN107240472A (en) * 2017-07-29 2017-10-10 芜湖君华材料有限公司 A kind of Fe-based amorphous alloy material and its production method

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