CN111560570A - Amorphous strip preparation process - Google Patents

Amorphous strip preparation process Download PDF

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Publication number
CN111560570A
CN111560570A CN202010519891.7A CN202010519891A CN111560570A CN 111560570 A CN111560570 A CN 111560570A CN 202010519891 A CN202010519891 A CN 202010519891A CN 111560570 A CN111560570 A CN 111560570A
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CN
China
Prior art keywords
temperature
furnace
amorphous
raising
per minute
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Pending
Application number
CN202010519891.7A
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Chinese (zh)
Inventor
娄志浩
娄学铭
秦臻瑜
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Jiangsu Zhendong Precision Material Technology Co ltd
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Jiangsu Zhendong Precision Material Technology Co ltd
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Priority to CN202010519891.7A priority Critical patent/CN111560570A/en
Publication of CN111560570A publication Critical patent/CN111560570A/en
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C45/00Amorphous alloys
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/06Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making alloys
    • C22C1/002Making amorphous alloys
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C33/00Making ferrous alloys
    • C22C33/003Making ferrous alloys making amorphous alloys

Abstract

The invention discloses a preparation process of an amorphous strip, which comprises the steps of firstly preparing raw materials from amorphous alloy powder, and adding all the raw materials into a mixer according to the proportion for mixing; then adding the mixed mixture into a smelting furnace, vacuumizing the furnace to a vacuum environment, and then heating; the temperature in the furnace is increased in a step-by-step manner, heat preservation treatment is carried out at each stage, the pressure in the furnace is increased, and then a furnace cover is opened to obtain an amorphous base block; the amorphous base block is placed in a smelting furnace, and after being melted again, the amorphous base block is subjected to super-quenching solidification to prepare the amorphous strip.

Description

Amorphous strip preparation process
Technical Field
The invention relates to the technical field of amorphous strip preparation processes, in particular to an amorphous strip preparation process.
Background
The amorphous alloy is solidified by super-quenching, atoms are not arranged in order to be crystallized when the alloy is solidified, the obtained solid alloy is in a long-range disordered structure, molecules (or atoms and ions) forming the alloy are not in a spatially regular periodicity, and crystal grains and crystal boundaries of the crystalline alloy do not exist.
The traditional amorphous strip has poor toughness, and when the furnace is opened, a certain pressure exists inside the amorphous strip, so that the service life of the quartz tube is greatly reduced, and therefore, an improved technology is urgently needed to solve the problem in the prior art.
Disclosure of Invention
The invention aims to provide an amorphous strip preparation process to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an amorphous strip preparation process comprises the following steps:
the method comprises the following steps: firstly, preparing raw materials from amorphous alloy powder, and adding all the raw materials into a mixer according to the proportion for mixing;
step two: then adding the mixed mixture into a smelting furnace, vacuumizing the furnace to a vacuum environment, and then heating;
step three: raising the temperature at 20-30 ℃ per minute until the temperature reaches 350 ℃, and then preserving the heat for 5-10 min;
step four: raising the temperature by 10-15 ℃ per minute until the temperature reaches 750 ℃, and then preserving the heat for 10-20 min;
step five: raising the temperature at 5-10 ℃ per minute until 1050 ℃, and then preserving the heat for 20-30 min;
step six: raising the temperature at 3-5 ℃ per minute until 1300-1400 ℃ to obtain an amorphous molten liquid, and then preserving the temperature for 30-60 min;
step seven: pressurizing the furnace, and then opening a furnace cover to obtain an amorphous base block;
step eight: and placing the amorphous base block into a smelting furnace, melting again, and then performing super-quenching solidification to obtain the amorphous strip.
Preferably, in the first step, the mixing speed of the mixer is 25-35 r/min, and lasts for 5-10 min.
Preferably, the smelting furnace in the second step is a vacuum induction smelting furnace.
Preferably, in the seventh step, the furnace is pressurized to atmospheric pressure.
Preferably, the smelting furnace in the eighth step is a magnetic induction smelting furnace.
Compared with the prior art, the invention has the beneficial effects that:
the invention carries out the step-type heating treatment in the vacuum environment, obviously improves the toughness of the obtained amorphous strip, increases the pressure in the furnace to the atmospheric pressure when the furnace is opened, greatly protects the quartz tube in the furnace, and greatly prolongs the service life of the quartz tube.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that: an amorphous strip preparation process comprises the following steps:
the method comprises the following steps: firstly, preparing raw materials from amorphous alloy powder, adding all the raw materials into a mixer according to a ratio, and mixing at a mixing speed of 25-35 r/min for 5-10 min;
step two: then adding the mixed mixture into a smelting furnace, vacuumizing the furnace to a vacuum environment, and then heating;
step three: raising the temperature at 20-30 ℃ per minute until the temperature reaches 350 ℃, and then preserving the heat for 5-10 min;
step four: raising the temperature by 10-15 ℃ per minute until the temperature reaches 750 ℃, and then preserving the heat for 10-20 min;
step five: raising the temperature at 5-10 ℃ per minute until 1050 ℃, and then preserving the heat for 20-30 min;
step six: raising the temperature at 3-5 ℃ per minute until 1300-1400 ℃ to obtain an amorphous molten liquid, and then preserving the temperature for 30-60 min;
step seven: pressurizing the furnace until atmospheric pressure is reached, and then opening a furnace cover to obtain an amorphous base block;
step eight: and placing the amorphous base block into a smelting furnace, melting again, and then performing super-quenching solidification to obtain the amorphous strip.
The first embodiment is as follows:
the preparation process of the embodiment includes the following steps:
the method comprises the following steps: firstly, preparing raw materials from amorphous alloy powder, adding all the raw materials into a mixer according to the proportion, and mixing at the mixing speed of 30r/min for 10 min;
step two: then adding the mixed mixture into a smelting furnace, vacuumizing the furnace to a vacuum environment, and then heating;
step three: raising the temperature at 20 deg.C per minute to 350 deg.C, and maintaining for 5 min;
step four: raising the temperature by 10 ℃ per minute until the temperature reaches 750 ℃, and then preserving the temperature for 10 min;
step five: raising the temperature by 5 ℃ per minute until 1050 ℃, and then preserving the temperature for 20 min;
step six: raising the temperature at 3 ℃ per minute until 1400 ℃ to obtain amorphous molten liquid, and then preserving the temperature for 30 min;
step seven: pressurizing the furnace until atmospheric pressure is reached, and then opening a furnace cover to obtain an amorphous base block;
step eight: and placing the amorphous base block into a smelting furnace, melting again, and then performing super-quenching solidification to obtain the amorphous strip.
Example two:
the preparation process of the embodiment includes the following steps:
the method comprises the following steps: firstly, preparing raw materials from amorphous alloy powder, adding all the raw materials into a mixer according to the proportion, and mixing at the mixing speed of 30r/min for 10 min;
step two: then adding the mixed mixture into a smelting furnace, vacuumizing the furnace to a vacuum environment, and then heating;
step three: raising the temperature at 30 deg.C per minute to 350 deg.C, and keeping the temperature for 5 min;
step four: raising the temperature by 15 ℃ per minute until the temperature reaches 750 ℃, and then preserving the temperature for 10 min;
step five: raising the temperature by 10 ℃ per minute until 1050 ℃, and then preserving the temperature for 20 min;
step six: raising the temperature by 5 ℃ per minute until 1300 ℃ to obtain amorphous molten liquid, and then preserving the temperature for 30 min;
step seven: pressurizing the furnace until atmospheric pressure is reached, and then opening a furnace cover to obtain an amorphous base block;
step eight: and placing the amorphous base block into a smelting furnace, melting again, and then performing super-quenching solidification to obtain the amorphous strip.
Example three:
the preparation process of the embodiment includes the following steps:
the method comprises the following steps: firstly, preparing raw materials from amorphous alloy powder, adding all the raw materials into a mixer according to the proportion, and mixing at the mixing speed of 30r/min for 10 min;
step two: then adding the mixed mixture into a smelting furnace, vacuumizing the furnace to a vacuum environment, and then heating;
step three: raising the temperature at 20 deg.C per minute to 350 deg.C, and keeping the temperature for 10 min;
step four: raising the temperature by 15 ℃ per minute until the temperature reaches 750 ℃, and then preserving the temperature for 20 min;
step five: raising the temperature by 10 ℃ per minute until 1050 ℃, and then preserving the temperature for 30 min;
step six: raising the temperature by 5 ℃ per minute until 1400 ℃ to obtain amorphous molten liquid, and then preserving the temperature for 30 min;
step seven: pressurizing the furnace until atmospheric pressure is reached, and then opening a furnace cover to obtain an amorphous base block;
step eight: and placing the amorphous base block into a smelting furnace, melting again, and then performing super-quenching solidification to obtain the amorphous strip.
Example four:
the preparation process of the embodiment includes the following steps:
the method comprises the following steps: firstly, preparing raw materials from amorphous alloy powder, adding all the raw materials into a mixer according to the proportion, and mixing at the mixing speed of 30r/min for 10 min;
step two: then adding the mixed mixture into a smelting furnace, vacuumizing the furnace to a vacuum environment, and then heating;
step three: raising the temperature at 30 ℃ per minute until the temperature reaches 350 ℃, and then preserving the temperature for 10 min;
step four: raising the temperature by 15 ℃ per minute until the temperature reaches 750 ℃, and then preserving the temperature for 20 min;
step five: raising the temperature by 10 ℃ per minute until 1050 ℃, and then preserving the temperature for 30 min;
step six: raising the temperature by 5 ℃ per minute until 1400 ℃ to obtain amorphous molten liquid, and then keeping the temperature for 60 min;
step seven: pressurizing the furnace until atmospheric pressure is reached, and then opening a furnace cover to obtain an amorphous base block;
step eight: and placing the amorphous base block into a smelting furnace, melting again, and then performing super-quenching solidification to obtain the amorphous strip.
Example five:
the preparation process of the embodiment includes the following steps:
the method comprises the following steps: firstly, preparing raw materials from amorphous alloy powder, adding all the raw materials into a mixer according to the proportion, and mixing at the mixing speed of 30r/min for 10 min;
step two: then adding the mixed mixture into a smelting furnace, vacuumizing the furnace to a vacuum environment, and then heating;
step three: raising the temperature at 20 deg.C per minute to 350 deg.C, and keeping the temperature for 10 min;
step four: raising the temperature by 15 ℃ per minute until the temperature reaches 750 ℃, and then preserving the temperature for 20 min;
step five: raising the temperature by 10 ℃ per minute until 1050 ℃, and then preserving the temperature for 30 min;
step six: raising the temperature by 5 ℃ per minute until 1400 ℃ to obtain amorphous molten liquid, and then keeping the temperature for 60 min;
step seven: pressurizing the furnace until atmospheric pressure is reached, and then opening a furnace cover to obtain an amorphous base block;
step eight: and placing the amorphous base block into a smelting furnace, melting again, and then performing super-quenching solidification to obtain the amorphous strip.
Compared with the toughness performance of the amorphous strip prepared in the first to fifth embodiments, the toughness of the traditional amorphous strip is better.
The invention carries out the step-type heating treatment in the vacuum environment, obviously improves the toughness of the obtained amorphous strip, increases the pressure in the furnace to the atmospheric pressure when the furnace is opened, greatly protects the quartz tube in the furnace, and greatly prolongs the service life of the quartz tube.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A preparation process of an amorphous strip is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: firstly, preparing raw materials from amorphous alloy powder, and adding all the raw materials into a mixer according to the proportion for mixing;
step two: then adding the mixed mixture into a smelting furnace, vacuumizing the furnace to a vacuum environment, and then heating;
step three: raising the temperature at 20-30 ℃ per minute until the temperature reaches 350 ℃, and then preserving the heat for 5-10 min;
step four: raising the temperature by 10-15 ℃ per minute until the temperature reaches 750 ℃, and then preserving the heat for 10-20 min;
step five: raising the temperature at 5-10 ℃ per minute until 1050 ℃, and then preserving the heat for 20-30 min;
step six: raising the temperature at 3-5 ℃ per minute until 1300-1400 ℃ to obtain an amorphous molten liquid, and then preserving the temperature for 30-60 min;
step seven: pressurizing the furnace, and then opening a furnace cover to obtain an amorphous base block;
step eight: and placing the amorphous base block into a smelting furnace, melting again, and then performing super-quenching solidification to obtain the amorphous strip.
2. The process of claim 1, wherein: in the first step, the mixing speed of the mixer is 25-35 r/min, and the mixing lasts for 5-10 min.
3. The process of claim 1, wherein: and the smelting furnace in the second step is a vacuum induction smelting furnace.
4. The process of claim 1, wherein: and in the seventh step, the pressure in the furnace is increased to the atmospheric pressure.
5. The process of claim 1, wherein: and the smelting furnace in the eighth step is a magnetic induction smelting furnace.
CN202010519891.7A 2020-06-09 2020-06-09 Amorphous strip preparation process Pending CN111560570A (en)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000117399A (en) * 1998-10-08 2000-04-25 Alps Electric Co Ltd Production of amorphous soft magnetic alloy strip and producing apparatus of amorphous soft magnetic alloy strip and amorphous soft magnetic alloy strip and amorphous soft magnetic alloy member
CN102360768A (en) * 2011-11-04 2012-02-22 安泰科技股份有限公司 Amorphous iron core, manufacturing method thereof and transformer with high performance, low noise and low cost
CN102676894A (en) * 2012-01-15 2012-09-19 河南科技大学 Magnesium-based microcrystal alloy strip material and preparation method thereof
CN106531387A (en) * 2016-12-29 2017-03-22 江西艾特磁材有限公司 Novel amorphous magnetic powder core and preparation method thereof
CN107354403A (en) * 2017-07-29 2017-11-17 芜湖君华材料有限公司 A kind of non-crystaline amorphous metal magnetic band uniform fusion preparation technology
CN107419201A (en) * 2017-07-31 2017-12-01 芜湖君华材料有限公司 A kind of amorphous alloy material production method of high saturated magnetic induction
CN108806914A (en) * 2018-06-14 2018-11-13 江苏墨泰新材料有限公司 A kind of amorphous soft magnetic material and its heat treatment process
CN109852842A (en) * 2019-03-11 2019-06-07 江苏振栋精密材料科技有限公司 A kind of copper-based Precise Alloy amorphous band of lanthanum
CN110373522A (en) * 2019-07-08 2019-10-25 上海置信电气非晶有限公司 A kind of amorphous core and its method for annealing of refusion and smelting
CN110586884A (en) * 2019-09-17 2019-12-20 江苏奥玛德新材料科技有限公司 Preparation method of ultrathin amorphous alloy strip

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000117399A (en) * 1998-10-08 2000-04-25 Alps Electric Co Ltd Production of amorphous soft magnetic alloy strip and producing apparatus of amorphous soft magnetic alloy strip and amorphous soft magnetic alloy strip and amorphous soft magnetic alloy member
CN102360768A (en) * 2011-11-04 2012-02-22 安泰科技股份有限公司 Amorphous iron core, manufacturing method thereof and transformer with high performance, low noise and low cost
CN102676894A (en) * 2012-01-15 2012-09-19 河南科技大学 Magnesium-based microcrystal alloy strip material and preparation method thereof
CN106531387A (en) * 2016-12-29 2017-03-22 江西艾特磁材有限公司 Novel amorphous magnetic powder core and preparation method thereof
CN107354403A (en) * 2017-07-29 2017-11-17 芜湖君华材料有限公司 A kind of non-crystaline amorphous metal magnetic band uniform fusion preparation technology
CN107419201A (en) * 2017-07-31 2017-12-01 芜湖君华材料有限公司 A kind of amorphous alloy material production method of high saturated magnetic induction
CN108806914A (en) * 2018-06-14 2018-11-13 江苏墨泰新材料有限公司 A kind of amorphous soft magnetic material and its heat treatment process
CN109852842A (en) * 2019-03-11 2019-06-07 江苏振栋精密材料科技有限公司 A kind of copper-based Precise Alloy amorphous band of lanthanum
CN110373522A (en) * 2019-07-08 2019-10-25 上海置信电气非晶有限公司 A kind of amorphous core and its method for annealing of refusion and smelting
CN110586884A (en) * 2019-09-17 2019-12-20 江苏奥玛德新材料科技有限公司 Preparation method of ultrathin amorphous alloy strip

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