CN109022854A - A kind of foundry alloy melting method of amorphous soft magnetic material - Google Patents
A kind of foundry alloy melting method of amorphous soft magnetic material Download PDFInfo
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- CN109022854A CN109022854A CN201810823999.8A CN201810823999A CN109022854A CN 109022854 A CN109022854 A CN 109022854A CN 201810823999 A CN201810823999 A CN 201810823999A CN 109022854 A CN109022854 A CN 109022854A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/11—Making amorphous alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/003—Making ferrous alloys making amorphous alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
- C22C33/06—Making ferrous alloys by melting using master alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C45/00—Amorphous alloys
- C22C45/02—Amorphous alloys with iron as the major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C45/00—Amorphous alloys
- C22C45/04—Amorphous alloys with nickel or cobalt as the major constituent
Abstract
The present invention relates to a kind of foundry alloy melting methods of amorphous soft magnetic material, characterized by the following steps: the group element material of amorphous soft magnetic material (a) is put into melting container by design proportion, melting container is evacuated and hermetically sealed encapsulation, form the melting chamber for being packaged with the group element material, the melting cavity volume is V, and wherein volume shared by group element material is V1, remove V1The volume that gap section in addition accounts for the melting chamber is V2, and V2=V-V1；Melting space ratio is V2:V1, the range of the melting space ratio is 0.5~4；(b) by the melting container inducing melting after encapsulation；Step (b) can be repeated as many times according to melting situation；(c) cooling.This kind of method of smelting can improve master alloy ingredient accuracy.
Description
Technical field
The present invention relates to a kind of foundry alloy melting methods of method of smelting more particularly to a kind of amorphous soft magnetic material.
Background technique
The master alloy of amorphous soft magnetic material is the raw material for manufacturing amorphous soft-magnetic alloy finished product such as silk, band, film etc..
Amorphous soft-magnetic alloy finished product with excellent soft magnet performance is widely used in high-precision electric electronics, the fortune of Hang Kong ﹑ traffic in Hang days
The fields such as Shu ﹑ electronic information communication, to pursue the targets such as device components miniaturization, low-loss, hypersensitive.The stabilization of its performance
Property quality be to guarantee the key point that can effectively run for a long time in various application environments of related device, and amorphous soft-magnetic alloy
End properties is influenced greatly by its composition, and the minor fluctuations of ingredient will will lead to the aobvious of its soft magnet performance and stability
Write variation.It therefore, is the key that realization high-precision component to the accurate control of the ingredient of amorphous soft-magnetic alloy finished product, and amorphous
Raw material of the master alloy of soft magnetic materials as production amorphous soft-magnetic alloy finished product, the accurate control to its ingredient is realized to non-
The key that the ingredient of brilliant magnetically soft alloy finished product accurately controls.
In existing amorphous soft-magnetic alloy master alloy production technology, usually target group element material is stacked as certain
It is subsequently placed at vaccum sensitive stove, in vacuum arc melting furnace, is smelted into master alloy with Medium frequency induction, electric arc heated, what is had is straight
Master alloy melting in air is connect, their general character is that melting space is bigger, and volatile substances (such as boron, silicon) is easy to cause to exist
It largely volatilizees in fusion process, causing master alloy ingredient compared with nominal composition, there are huge deviations, and then lead to amorphous soft-magnetic alloy
The uncertainty of end properties, as application number be respectively CN201310526023.1, CN201611266317.5,
The Chinese patent of CNI201610867189.3, CN201210156375.8, CN201510865429.1.In addition, volatile substances
It is easily accumulated in the interior surface of melting wall after volatilization, secondary pollution is caused to next melting, to further increase female conjunction
The uncertainty of golden ingredient, this ingredient uncertainty be either all to scientific research or product device production it is unfavorable,
It is unfavorable for related scientific research staff and summarizes related law, influences the credibility and repeatability of scientific achievement, be easy to cause section
It grinds or production cost sharply increases.This ingredient uncertainty directly affects the related soft magnet performance of amorphous soft-magnetic alloy finished product,
Stability comprehensive performance relevant with its of subsequent device is not can guarantee.Master alloy ingredient can be improved therefore, it is necessary to a kind of
The method of smelting of accuracy.
Summary of the invention
There is provided the technical problem to be solved by the present invention is to the status for the prior art a kind of can improve master alloy ingredient
The foundry alloy melting method of the amorphous soft magnetic material of accuracy.
The technical scheme of the invention to solve the technical problem is: a kind of foundry alloy melting of amorphous soft magnetic material
Method, it is characterised in that the following steps are included:
(a) group element material of amorphous soft magnetic material is put into melting container by design proportion, melting container is vacuumized simultaneously
It is hermetically sealed, the melting chamber for being packaged with the group element material is formed, the melting cavity volume is V, wherein body shared by group element material
Product is V1, remove V1The volume that gap section in addition accounts for the melting chamber is V2, and V2=V-V1；Melting space ratio is V2:V1,
The range of the melting space ratio is 0.5~4；
(b) by the melting container inducing melting after encapsulation；Conjunction in fusion process, after group element material melting
When the temperature of golden melt reaches 150~300 DEG C of fusing point Ts or more of the alloy molten solution, the temperature is maintained 1~3 minute；Then drop
The heating power of low induction closes induction heating, rocks melting container and alloy molten solution is made to repeat to cover the interior table of melting chamber
Face, rocking the time is 1~4 minute；Then, restore the power of induction heating or open induction heating, alloy molten solution temperature is made to exist
50~100 DEG C of fusing point Ts or more, maintain the temperature 5~10 minutes；The power of induction heating is then reduced again or closes induction
Heating rocks melting container and alloy molten solution is made to repeat to cover the inner surface in melting space, and rocking the time is 1~4 minute；
(c) cooling.
Preferably, the range of the melting space ratio is 0.5~2.The range makes the mother of amorphous soft magnetic material after melting
The ingredient of alloy is more accurate.
Preferably, the vacuum degree of the melting container is less than 10- 3Pa.The vacuum degree is conducive to improve amorphous soft magnetic material
Master alloy ingredient accuracy.
Preferably, intermediate alloy is first made in the group element material before being put into melting container.It is obtained after intermediate alloy is made
Group element material block is smaller than the volume of original group element material powder, convenient for being put into the lesser melting container of melting chamber, thus institute
State volume V shared by gap section2It is smaller, it is more advantageous to reduces melting space ratio immediately.
Preferably, any one of the melting container selection quartz glass tube, alumina crucible, graphite crucible.This is several
Kind melting container all has good Smelting Effect.
Preferably, the induction heating in the step (b) is mid-frequency induction heating or high-frequency induction heating.This kind sense
Answer heating method Smelting Effect good.
Preferably, the time of rocking in the step (b) increases with the increase of melting space ratio, with melting space ratio
Reduce and reduces.This kind of method is convenient for the time more different than selecting according to different melting spaces, convenient for guaranteeing Smelting Effect
Under the premise of improve smelting efficiency.
Preferably, the cooling of the step (c) are as follows: the power for controlling the induction heating is first passed through, by institute in 10min
The temperature for stating alloy molten solution is reduced to its described fusing point Ts hereinafter, being then turned off the induction heating, cooled to room temperature.It should
Kind cooling means makes the ingredient of gained master alloy ingot more uniformly and accurate.
Further, the step (b) is repeated as many times according to melting situation.Effect is more preferable after repeatedly.
The foundry alloy melting method of above-mentioned amorphous soft magnetic material is suitable for Co68Fe4Ni1Si12B15(Fe98Ni2)83Cu1Nb1Si3B12Alloy system.
Melting space has been selected than 0.5~4 compared with the prior art, the advantages of the present invention are as follows: the present invention to melt
Refining, and cooperates the remelting rocked to realize volatile substances again, and shaking molten steel can not sufficiently cover when melting than space is more than 4
Lid melting dimensional inner surface, so that volatile substance cannot be absorbed again, melting than space less than 0.5 when, melting container it is true
Sky is hermetically sealed to be difficult to realize；And need to reduce the power of induction heating when rocking or close induction heating, until alloy
Melt can convenient for rocking to cover the inner surface of melting chamber, in conjunction with other technique contents make the burn out rate of volatile matter compared with
It is low, improve master alloy ingredient accuracy；In addition the burn out rate of master alloy ingot obtained by this method with melting space than reducing and
Reduce, it can be by control melting space than come the accuracy that controls master alloy ingredient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the experimental provision of all embodiments of the invention；
Fig. 2 is the apparent form photo of the master alloy ingot of the embodiment of the present invention 1；
Fig. 3 is the apparent form photo for the master alloy ingot that traditional non-tight method of smelting melts out；
Fig. 4 is the apparent form photo of the master alloy ingot of the embodiment of the present invention 2；
Fig. 5 is the apparent form photo of the master alloy ingot of the embodiment of the present invention 3；
Fig. 6 is the apparent form photo of the master alloy ingot of the embodiment of the present invention 4.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.
Embodiment 1:
To Co68Fe4Ni1Si12B15Alloy carries out melting:
(a) 1Kg group element material powder is matched according to nominal alloying component, first intermediate conjunction is made in group element material powder by the present embodiment
Gold prepares intermediate alloy technique are as follows: hot pressed sintering is used, with molybdenum partition isolation graphite electrode and sintering intermediate, sintering temperature
1000-1200℃；It is sintered pressure 5MPa；Sintering time 5h, sintering form fine and close intermediate alloy and obtain group element material block, remove
The techniques such as microwave sintering, atmosphere sintering also can be used outside this kind of intermediate alloy technique.It is 50mm that group element material block, which is put into diameter,
Quartz glass tube in, be packaged in such a way that 4 melting space ratio is using vacuum seal, and vacuum degree is less than 10- 3Pa,
And a handle is formed on quartz glass tube；The melting container of the present embodiment is quartz glass tube, in addition to this aluminium oxide earthenware
Crucible, graphite crucible and other melting containers commonly used in the prior art are feasible.Encapsulation is formed after melting container is hermetically sealed
There is the melting chamber of group element material, the melting cavity volume is V, and wherein volume shared by group element material is V1, remove V1Space part in addition
Dividing the volume for accounting for the melting chamber is V2, and V2=V-V1；Melting space ratio is V2:V1.The V of the present embodiment1As constituent element material
Expect the volume of block.
(b) using Medium frequency induction to the carry out induction heating of quartz glass tube after encapsulation, when alloy molten solution temperature reaches conjunction
It at 300 DEG C of golden melt fusing point Ts or more, maintains the temperature after 1 minute, reduce the power of induction heating or closes induction heating, and
It holds handle and rocks quartz glass tube, sufficiently rocking alloy molten solution makes alloy molten solution repeat covering melting inner cavity surface (i.e. quartz
Glass pipe internal surface), time control is rocked at 4 minutes；Then, restore the power of induction heating or open induction heating, make to close
Golden melt maintains upper 50 DEG C of fusing point Ts, maintains the temperature 5 minutes, then reduces the power of induction heating again or closes induction
Heating rocks melting container and alloy molten solution is made to repeat to cover the inner surface in melting space, and rocking the time is 4 minutes；This implementation
The step 3 time is repeated according to melting situation.
(c) cooling: to first pass through the power for controlling the induction heating, drop the temperature of the alloy molten solution in 10min
As low as fusing point Ts described in its hereinafter, being then turned off the induction heating, cooled to room temperature melts out master alloy ingot.
Fig. 2 be the present embodiment melting space than being 4 when the apparent form of master alloy ingot that melts out, master alloy surface compared with
It is clean and without graininess boron particles exist, illustrate that boron fuses into alloy parent completely, Smelting Effect is preferable, burn lose
Amount only has 1.31% (as shown in table 1).And obviously there is part on the master alloy ingot surface that traditional non-tight method of smelting melts out
There is (as shown in Figure 3) in graininess boron particles, illustrate that boron does not fuse into alloy parent completely, burn out rate reaches
5.09% (as shown in table 1).Illustrate that method of smelting of the invention is substantially better than traditional method of smelting, this method can be improved preferably
Master alloy ingredient accuracy, to improve master alloy ingredient stability and end properties stability.
Embodiment 2:
To Co68Fe4Ni1Si12B15Alloy carries out melting:
(a) 1Kg group element material powder is matched according to nominal alloying component, first intermediate conjunction is made in group element material powder by the present embodiment
Gold, it is same as Example 1 that the present embodiment prepares intermediate alloy technique, obtains group element material block.Group element material block is put into diameter
To be packaged in such a way that 2 melting space ratio is using vacuum seal, and vacuum degree is less than in the quartz glass tube of 50mm
10- 3Pa, and a handle is formed on quartz glass tube；The melting container of the present embodiment is quartz glass tube, in addition to this oxygen
It is feasible to change aluminium crucible, graphite crucible and other melting containers commonly used in the prior art.Shape after melting container is hermetically sealed
At the melting chamber for being packaged with group element material, the melting cavity volume is V, and wherein volume shared by group element material is V1, remove V1In addition
The volume that gap section accounts for the melting chamber is V2, and V2=V-V1；Melting space ratio is V2:V1.The V of the present embodiment1As
The volume of group element material block.
(b) induction heating is carried out to quartz glass tube after encapsulation using Medium frequency induction, when alloy molten solution temperature reaches alloy
It at 200 DEG C of melt fusing point Ts or more, maintains the temperature after 2 minutes, reduce the power of induction heating or closes induction heating, and shake
Fixed handle, sufficiently rocking alloy molten solution makes alloy molten solution repeat covering melting inner cavity surface (i.e. inner surface of silica tube), when rocking
Between control at 3 minutes, then restore induction heating power or open induction heating, so that alloy molten solution is maintained fusing point Ts upper 50
DEG C, it is kept for 7 minutes；The power of induction heating is then reduced again or closes induction heating, is rocked melting container and is made alloy molten
Liquid repeats to cover the inner surface in melting space, and rocking the time is 3 minutes；The present embodiment repeats the step 4 time.
(c) cooling: to first pass through the power for controlling the induction heating, drop the temperature of the alloy molten solution in 10min
As low as fusing point Ts described in its hereinafter, being then turned off the induction heating, cooled to room temperature melts out master alloy ingot.
Fig. 4 be the present embodiment melting space than being 2 when the master alloy ingot apparent form that melts out, master alloy surface also compared with
Clean and exist without graininess boron particles, boron element fused into alloy parent, and Smelting Effect is good, and loss on ignition only has
0.73% (as shown in table 1).It has clear improvement with traditional non-tight method of smelting, with melting space than the method for smelting ratio for 4,
Apparent mass is consistent, but burn out rate further decreases, and illustrates the reduction with melting space ratio, and master alloy burn out rate drops therewith
Low, reducing melting chamber in group element material block constancy of volume can be effectively controlled the volatilization of boron element.
Embodiment 3:
To Co68Fe4Ni1Si12B15Alloy carries out melting:
(a) 0.5Kg raw material being matched according to nominal alloying component, first intermediate alloy is made in group element material powder by the present embodiment,
The present embodiment prepares intermediate alloy technique are as follows: use atmosphere sintering, 1000-1100 DEG C of sintering temperature；High-purity argon gas protection；Sintering
Time 20h, 50 DEG C/min of heating rate, sintering form finer and close intermediate alloy and obtain group element material block.By group element material
Block is put into the quartz glass tube that diameter is 28mm, is packaged in such a way that 1 melting space ratio is using vacuum seal, and true
Reciprocal of duty cycle is less than 10- 3Pa, and a handle is formed on quartz glass tube；The melting container of the present embodiment is quartz glass tube, is removed
Alumina crucible, graphite crucible and other melting containers commonly used in the prior art are feasible except this.Melting container sealing
The melting chamber for being packaged with group element material is formed after encapsulation, the melting cavity volume is V, and wherein volume shared by group element material is V1,
Except V1The volume that gap section in addition accounts for the melting chamber is V2, and V2=V-V1；Melting space ratio is V2:V1.This implementation
The V of example1The as volume of group element material block.
(b) using Medium frequency induction to raw material carry out induction heating, when alloy molten solution temperature reach alloy molten solution fusing point Ts with
It at upper 100 DEG C, maintains the temperature after 3 minutes, reduce the power of induction heating or closes induction heating, and hold handle and rock stone
English glass tube, sufficiently rocking alloy molten solution makes alloy molten solution repeat covering melting inner cavity surface (i.e. inner surface of silica tube), rocks
Time controls the power for then restoring induction heating at 2 minutes or opens induction heating, maintains alloy molten solution on fusing point Ts
It 50 DEG C, is kept for 9 minutes；The power of induction heating is then reduced again or closes induction heating, is rocked melting container and is made alloy
Melt repeats to cover the inner surface in melting space, and rocking the time is 2 minutes；The present embodiment repeats the step 5 according to melting situation
It is secondary.
(c) cooling: to first pass through the power for controlling the induction heating, drop the temperature of the alloy molten solution in 10min
As low as fusing point Ts described in its hereinafter, being then turned off the induction heating, cooled to room temperature melts out master alloy ingot.
Fig. 5 be the present embodiment melting space than being 1 when the master alloy ingot apparent form that melts out, master alloy surface is same
There is no the presence of graininess boron particles and clean surface, boron element have fused into alloy parent, loss on ignition only has 0.56%
(as shown in table 1).There is further improvement with traditional non-tight method of smelting, compared with the first two embodiment, apparent mass is constant,
But burn out rate reduces obviously, and master alloy ingredient is with nominal alloying component more closely, i.e. ingredient is more accurate, it can be ensured that subsequent knot
The credibility of fruit.
Embodiment 4
To (Fe98Ni2)83Cu1Nb1Si3B12Alloy carries out melting:
(a) 0.5Kg group element material powder is matched according to nominal alloying component, first centre is made in group element material powder by the present embodiment
Alloy, the present embodiment prepare intermediate alloy technique are as follows: use microwave sintering, are kept the temperature with foamed alumina to sintered body, are had
Body microwave sintering process is as follows: 50 DEG C/min of heating rate；1100 DEG C of sintering temperature；Vacuum degree is less than 10- 3Pa；Sintering time
5h, microscope carrier revolving speed 5-10 turn/min, and sintering forms finer and close intermediate alloy and obtains group element material block.Group element material block is put
Enter in the quartz glass tube that diameter is 28mm, is packaged in such a way that 0.5 melting space ratio is using vacuum seal, and true
Reciprocal of duty cycle is less than 10- 3Pa, and a handle is formed on quartz glass tube；The melting container of the present embodiment is quartz glass tube, is removed
Alumina crucible, graphite crucible and other melting containers commonly used in the prior art are feasible except this.Melting container sealing
The melting chamber for being packaged with group element material is formed after encapsulation, the melting cavity volume is V, and wherein volume shared by group element material is V1,
Except V1The volume that gap section in addition accounts for the melting chamber is V2, and V2=V-V1；Melting space ratio is V2:V1.This implementation
The V of example1The as volume of group element material block.
(b) using Medium frequency induction to the carry out induction heating of quartz glass tube after encapsulation, when alloy molten solution temperature reaches conjunction
It at 150 DEG C of golden melt fusing point Ts or more, maintains the temperature after 3 minutes, reduce the power of induction heating or closes induction heating, and
It holds handle and rocks quartz glass tube, sufficiently rocking alloy molten solution makes alloy molten solution repeat covering melting inner cavity surface (i.e. quartz
Pipe internal surface), time control is rocked at 2 minutes, is then restored the power of induction heating or is opened induction heating, makes alloy molten solution
Upper 70 DEG C of fusing point Ts are maintained, is kept for 8 minutes；The power of induction heating is then reduced again or closes induction heating, is rocked molten
Refining container makes alloy molten solution repeat to cover the inner surface in melting space, and rocking the time is 2 minutes；Being repeated according to melting situation should
Step 6 time.
(c) cooling: to first pass through the power for controlling the induction heating, drop the temperature of the alloy molten solution in 10min
As low as fusing point Ts described in its hereinafter, being then turned off the induction heating, cooled to room temperature melts out master alloy ingot.
Fig. 6 be the present embodiment melting space than being 0.5 when the master alloy ingot apparent form that melts out, master alloy surface is same
Sample does not have the presence of graininess boron particles and clean surface, boron element have fused into alloy parent, and loss on ignition only has
0.46% (as shown in table 1).Compared with the method for smelting of preceding several embodiments, apparent mass is good, and burn out rate is also reducing,
The loss of boron element is further reduced.
Embodiment 5
To (Fe98Ni2)83Cu1Nb1Si3B12Alloy carries out melting:
(a) 0.5Kg group element material powder is matched according to nominal alloying component, the present embodiment pours into group element material powder diameter
Diameter is to be packaged in such a way that 0.5 melting space ratio is using vacuum seal, and vacuum in the quartz glass tube of 28mm
Degree is less than 10- 3Pa, and a handle is formed on quartz glass tube；The melting container of the present embodiment is quartz glass tube, removes this
Except alumina crucible, graphite crucible and other melting containers commonly used in the prior art it is feasible.Melting container sealing envelope
The melting chamber for being packaged with group element material is formed after dress, the melting cavity volume is V, and wherein volume shared by group element material is V1, remove V1
The volume that gap section in addition accounts for the melting chamber is V2, and V2=V-V1；Melting space ratio is V2:V1.The present embodiment
V1The as group element material powder volume that accounts for quartz glass tube.
(b) using high-frequency induction to the carry out induction heating of quartz glass tube after encapsulation, when alloy molten solution temperature reaches conjunction
It at 150 DEG C of golden melt fusing point Ts or more, maintains the temperature after 3 minutes, reduce the power of induction heating or closes induction heating, and
It holds handle and rocks quartz glass tube, sufficiently rocking alloy molten solution makes alloy molten solution repeat covering melting inner cavity surface (i.e. quartz
Pipe internal surface), time control is rocked at 1 minute, is then restored the power of induction heating or is opened induction heating, makes alloy molten solution
100 DEG C of fusing point Ts or more are maintained, is kept for 10 minutes, then reduce the power of induction heating again or closes induction heating, is shaken
Shaking melting container makes alloy molten solution repeat to cover the inner surface in melting space, and rocking the time is 1 minute；According to melting situation weight
Multiple step 6 time.
(c) cooling: to first pass through the power for controlling the induction heating, drop the temperature of the alloy molten solution in 10min
As low as fusing point Ts described in its hereinafter, being then turned off the induction heating, cooled to room temperature melts out master alloy ingot.
The test result of the present embodiment is similar to Example 4.
The experimental provision schematic diagram of above-described embodiment can refer to Fig. 1, including handle A, quartz glass tube C, and induction
Heating coil E.
Table 1: the burn out rate after the foundry alloy melting of different embodiments
The Co that can be seen that according to upper table68Fe4Ni1Si12B15(Fe98Ni2)83Cu1Nb1Si3B12Master alloy ingot has very
Small burn out rate, with the reduction of melting space ratio, master alloy burn out rate is decreased, and reducing melting space ratio can be effectively controlled
The volatilization of boron element can preferably improve the essence of the master alloy ingredient of amorphous soft magnetic material by the control to melting space ratio
True property solves the problems, such as that traditional method of smelting Volatile Elements burn out rate in fusion process is high, to improve amorphous soft magnet
The master alloy ingredient stability and end properties stability of material.Method of smelting in the present invention is not limited in embodiment
Co68Fe4Ni1Si12B15(Fe98Ni2)83Cu1Nb1Si3B12Alloy system, the method for smelting are suitable for all amorphous soft-magnetic alloys
System.
Described in embodiment 1,2,3,4 and 5, specific embodiment only of the present invention, but protection model of the invention
It encloses and is not limited thereto, protection scope of the present invention should be subject to the scope of protection of the claims.Any correlative technology field
Technical staff within the technical scope of the present disclosure, the thinkable change or replacement of institute should all be covered in guarantor of the invention
Within the scope of shield.
Claims (10)
1. a kind of foundry alloy melting method of amorphous soft magnetic material, it is characterised in that the following steps are included:
(a) group element material of amorphous soft magnetic material is put into melting container by design proportion, melting container is evacuated and hermetically sealed
Encapsulation forms the melting chamber for being packaged with the group element material, and the melting cavity volume is V, and wherein volume shared by group element material is
V1, remove V1The volume that gap section in addition accounts for the melting chamber is V2, and V2=V-V1；Melting space ratio is V2:V1, described
The range of melting space ratio is 0.5~4；
(b) by the melting container inducing melting after encapsulation；In fusion process, alloy after group element material melting is molten
When the temperature of liquid reaches 150~300 DEG C of fusing point Ts or more of the alloy molten solution, the temperature is maintained 1~3 minute；Then reduce sense
The heating power or closing induction heating answered rock melting container and alloy molten solution are made to repeat to cover the inner surface of melting chamber, shake
Shaking the time is 1~4 minute；Then, restore the power of induction heating or open induction heating, make alloy molten solution temperature in fusing point Ts
Above 50~100 DEG C, maintain the temperature 5~10 minutes；The power of induction heating is then reduced again or closes induction heating, is shaken
Shaking melting container makes alloy molten solution repeat to cover the inner surface in melting space, and rocking the time is 1~4 minute；
(c) cooling.
2. the foundry alloy melting method of amorphous soft magnetic material according to claim 1, it is characterised in that: the melting space
The range of ratio is 0.5~2.
3. the foundry alloy melting method of amorphous soft magnetic material according to claim 1, it is characterised in that: the melting container
Vacuum degree less than 10- 3Pa。
4. the foundry alloy melting method of amorphous soft magnetic material according to claim 1, it is characterised in that: the group element material
Intermediate alloy is first made before being put into melting container.
5. the foundry alloy melting method of amorphous soft magnetic material according to claim 1, it is characterised in that: the melting container
Select any one of quartz glass tube, alumina crucible, graphite crucible.
6. the foundry alloy melting method of amorphous soft magnetic material according to claim 1, it is characterised in that: the step (b)
In the induction heating be mid-frequency induction heating or high-frequency induction heating.
7. the foundry alloy melting method of amorphous soft magnetic material according to claim 1, it is characterised in that: the step (b)
In time of rocking increase with the increase of melting space ratio, reduced with the reduction of melting space ratio.
8. according to claim 1 to the foundry alloy melting method of amorphous soft magnetic material described in 7 any claims, feature exists
In: the cooling of the step (c) are as follows: the power for controlling the induction heating is first passed through, by the alloy molten solution in 10min
Temperature is reduced to its described fusing point Ts hereinafter, being then turned off the induction heating, cooled to room temperature.
9. according to claim 1 to the foundry alloy melting method of amorphous soft magnetic material described in 7 any claims, feature exists
In: the step (b) is repeated as many times according to melting situation.
10. being suitable for according to claim 1 to the foundry alloy melting method of amorphous soft magnetic material described in 9 any claims
Co68Fe4Ni1Si12B15(Fe98Ni2)83Cu1Nb1Si3B12Alloy system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810823999.8A CN109022854B (en) | 2018-07-25 | 2018-07-25 | Method for smelting mother alloy of amorphous soft magnetic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810823999.8A CN109022854B (en) | 2018-07-25 | 2018-07-25 | Method for smelting mother alloy of amorphous soft magnetic material |
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| CN101101939A (en) * | 2007-07-25 | 2008-01-09 | 北京科技大学 | A technology for making absorption layer of Cu2ZnSnS4 film solar battery |
| CN101748307A (en) * | 2008-12-19 | 2010-06-23 | 北京有色金属与稀土应用研究所 | Gold-arsenic alloy material and preparation method thereof |
| US9790580B1 (en) * | 2013-11-18 | 2017-10-17 | Materion Corporation | Methods for making bulk metallic glasses containing metalloids |
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| CN101101939A (en) * | 2007-07-25 | 2008-01-09 | 北京科技大学 | A technology for making absorption layer of Cu2ZnSnS4 film solar battery |
| CN101748307A (en) * | 2008-12-19 | 2010-06-23 | 北京有色金属与稀土应用研究所 | Gold-arsenic alloy material and preparation method thereof |
| US9790580B1 (en) * | 2013-11-18 | 2017-10-17 | Materion Corporation | Methods for making bulk metallic glasses containing metalloids |
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