CN106855479B - A method of determine amorphous alloy whether crystallization - Google Patents
A method of determine amorphous alloy whether crystallization Download PDFInfo
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- CN106855479B CN106855479B CN201510898337.3A CN201510898337A CN106855479B CN 106855479 B CN106855479 B CN 106855479B CN 201510898337 A CN201510898337 A CN 201510898337A CN 106855479 B CN106855479 B CN 106855479B
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Abstract
The present invention provides a kind of judgement amorphous alloy whether the method for crystallization, casting method prepares the different amorphous alloy pole at least four of diameter dimension, casting die prepares the different batten at least two of thickness, secondly, test the Vickers hardness and bending strength of above-mentioned amorphous alloy, analyze the bending strength of these amorphous alloys, it is arranged successively according to sequence from high to low, if the bending strength of a certain amorphous alloy is less than the 70% of adjacent amorphous alloy bending strength, the average value of the Vickers hardness of the amorphous alloy and the Vickers hardness of adjacent amorphous alloy is set as the Vickers critical reference hardness of crystalline state alloy, if the Vickers hardness number of alloy to be measured is greater than the Vickers critical reference hardness, judge it for amorphous alloy, if the Vickers hardness number of a certain alloy is less than the Vickers critical reference hardness, judge it for crystalline state alloy.Judgment method of the invention is easy to operate, and detection speed is fast, at low cost, is a kind of lossless detection method, is especially suitable for the character surveillance of Workshop Production.
Description
Technical field
The present invention relates to a kind of amorphous alloy whether the method for crystallization, more specifically about quick in a kind of production
Judge amorphous alloy product whether He Ge method.
Background technique
Amorphous alloy refers to that the microstructure of the various substances of nature can be by the ordered state of its composed atom point
For two major classes: ordered structure and disordered structure.Crystal is typical ordered structure, and gas, liquid and non-crystalline solids belong to
Disordered structure.Amorphous alloy is quenched and solidified by super, and atom has little time ordered arrangement crystallization when alloy graining, and obtained solid-state is closed
Gold is longrange disorder structure, and the crystal grain of crystal alloy, crystal boundary do not exist.
Amorphous alloy has high intensity, hardness, wearability, corrosion resistance and higher resistive, but also shows excellent
Superconductivity and low magnetic loss the features such as, have wide practical use in industries such as IT electronics, machinery, chemical industry.
Once find its crystallization (a large amount of crystal occur) in amorphous alloy, will lose the high intensity of amorphous alloy, hardness,
The performances such as wearability, therefore, it should be noted that control working condition, avoids its crystallization in the production of amorphous alloy.
X-ray detection be judge amorphous alloy whether the most conventional lossless detection method of crystallization, amorphous is characterized in steamed bun
Peak, and will appear sharp diffraction maximum if crystallization；DTA synchronous solving can also pass through alloy to be measured in heating process
For exotherm to determine whether crystallization, amorphous alloy can undergo glass transformation temperature, crystallization temperature during heating, therefore put
Apparent crystallization exothermic peak is had on heating curve, if it is having occurred and that the alloy of crystallization is then not in such phenomenon.X-ray
All there is sample preparation trouble in detection and DTA detection, detection cycle is long, and testing cost is high, the large-scale application being unfavorable in production.
And utilize mechanics properties testing amorphous whether crystallization, mostly destructive testing at present, at the same be easier by internal group
The influence of defect such as stomata, slag inclusion etc. is knitted, judgement is got up more complicated.
Summary of the invention
The purpose of the invention is to overcome the crystallization detection of complex of existing amorphous alloy, it is not suitable for workshop
Character surveillance, it is simple to provide a kind of test method, easy-to-use for the character surveillance of Workshop Production to judge whether crystalline substance
The method of change.
A method of determine amorphous alloy whether crystallization,
Firstly, casting method prepares the different amorphous alloy pole at least four of diameter dimension, it is different that casting die prepares thickness
Batten at least two,
Secondly, the Vickers hardness and bending strength of above-mentioned amorphous alloy are tested,
Again, the bending strength for analyzing these amorphous alloys is arranged successively according to sequence from high to low, if a certain amorphous
The bending strength of alloy is less than the 70% of adjacent amorphous alloy bending strength, set the Vickers hardness of the amorphous alloy with it is adjacent non-
The average value of the Vickers hardness of peritectic alloy is the Vickers critical reference hardness of crystalline state alloy,
If the Vickers hardness number of alloy to be measured be greater than the Vickers critical reference hardness, judge its for amorphous alloy,
If the Vickers hardness number of a certain alloy is less than the Vickers critical reference hardness, judge it for crystalline state alloy.
It is short if its atomic arrangement is longrange disorder although its chemical element component is identical because of a certain alloy system
Journey ordered structure, the crystal grain, crystal boundary of crystalline state do not exist, then this alloy system can be referred to as amorphous alloy, external
Physical property bending strength, hardness performance are often higher, and the control of Ruo Qiyin preparation condition flaw occurs and leads to its crystallization, are formed
Long range ordered structure, there are crystal grain and crystal boundary, then this alloy system is common crystal alloy, and common alloy more amorphous is closed
Golden system is compared, and bending strength, corrosion resistance, specific strength, elasticity, wearability, hardness can be declined.Invention of the invention
People has found by many experiments, because the System forming of amorphous alloy is often very harsh to preparation condition requirement, therefore causes non-
The preparation process control of peritectic alloy is extremely difficult to perfection, Just because of this, often can irregularly occur not conforming to much in production
Lattice product, and these faulty materials and qualified product mix more difficult discrimination.Production requirement of the present inventor based on reality,
It needs quickly to judge faulty materials with qualified product, and analysis is carried out according to condition of this result to production and determines whether certain
A little control conditions need to optimize or there is a problem, in this case, test method in the prior art is not appropriate for pair
Test period requires very short production line, and therefore, the present inventor has done a large amount of experiment, finds amorphous alloy crystallization
Afterwards, then the bending strength decline in its mechanical property is the most obvious, if the bending strength of a certain amorphous alloy is less than adjacent amorphous
The 70% of alloy bending strength, then crystallization has occurred for the adjacent amorphous alloy, at the same time, the inventors found that its power
Learning the lesser parameter of amplitude of variation in performance is hardness, therefore, if setting the Vickers hardness and the conjunction of adjacent amorphous of the amorphous alloy
Gold Vickers hardness average value be crystalline state alloy Vickers critical reference hardness, this Vickers critical reference hardness will with it is true
Positive critical hardness value is very close.Based on above-mentioned discovery, the present inventor is in the Vickers hardness for setting the amorphous alloy
Average value with the Vickers hardness of adjacent amorphous alloy is the Vickers critical reference hardness of crystalline state alloy, only need to be to alloy to be measured
Vickers hardness test is carried out, just can be determined whether crystallization in contrast, this Vickers critical reference hardness is that the present invention passes through reality
The reference value groped is tested, the real critical hardness value of amorphous alloy is not represented, because the number of experiment is often
Limited times, the present invention do not really want to pursue the real critical hardness value on the principles of science, and the present inventor is by a large amount of real
It issues after examination and approval now, same a batch of alloy on production line can quickly be screened with this Vickers critical reference hardness, which is
Crystallization system, which is amorphous alloy system, to screen out qualified product.Above method is not only easy to operate simple, Er Qiejian
Degree of testing the speed is fast, high-efficient, at low cost, and not stringent to the geomery requirement of detection exemplar, while not having to destroy outside product
Shape is a kind of lossless detection method.
Detailed description of the invention
Fig. 1 is the XRD diagram for verifying example 1 alloy product X11, X12, X13, X14, X15, X16.
Fig. 2 is the XRD diagram for verifying example 1 alloy product Y11, Y12, Y13, Y14, Y15, Y16.
Specific embodiment
A kind of judgement amorphous alloy provided by the invention whether the method for crystallization,
Firstly, casting method prepares the different amorphous alloy pole at least four of diameter dimension, it is different that casting die prepares thickness
Batten at least two,
Secondly, the Vickers hardness and bending strength of above-mentioned amorphous alloy are tested,
Again, the bending strength for analyzing these amorphous alloys is arranged successively according to sequence from high to low, if a certain amorphous
The bending strength of alloy is less than the 70% of adjacent amorphous alloy bending strength, set the Vickers hardness of the amorphous alloy with it is adjacent non-
The average value of the Vickers hardness of peritectic alloy is the Vickers critical reference hardness of crystalline state alloy,
If the Vickers hardness number of alloy to be detected be greater than the Vickers critical reference hardness, judge its for amorphous alloy,
If the Vickers hardness number of alloy to be detected is less than the Vickers critical reference hardness, judge it for crystalline state alloy.
Above-mentioned judgment method can be combined with XRD test and further be verified its accuracy.
The present inventor is by groping to find, casting method prepares amorphous alloy pole 4, and casting die prepares thickness not
With batten 2 when above-mentioned test method both may be implemented, as long as the diameter that casting method prepares pole has from each other
It distinguishes, because generally 1 centimetre of mean value diameter or more of bulk amorphous alloys are relatively difficult to obtain in the industry, generally
Diameter designs since grade (i.e. 1mm or near) and moves closer to 1 centimetre (i.e. 1cm) so both can be by having touched
Suo Faxian Vickers critical reference hardness.
The present inventor has found by many experiments, it is preferable that pole 4 of the casting method preparation, diameter point
It Wei not 3mm, 5mm, 7mm and 10mm；Batten 2 of casting die preparation, thickness is respectively 0.5mm, 1.5mm.
For theoretically, the quantity of casting and die casting is The more the better, it can be found that more close Vickers critical reference is hard
Degree.Therefore, it is further preferred that it is 5 that the casting method, which prepares the different amorphous alloy pole of diameter dimension, casting die preparation
The different batten of thickness is 3.Preferably, pole 5 of the casting method preparation, diameter is respectively 3mm, 5mm, 7mm, 9mm
And 10mm；Batten 3 of casting die preparation, thickness is respectively 0.5mm, 1.5mm, 10mm.
It is further preferred that it is 5 that the casting method, which prepares the different amorphous alloy pole of diameter dimension, die casting legal system
The standby different batten of thickness is 4.Preferably, pole 5 of casting method preparation, diameter be respectively 3mm, 5mm, 7mm,
9mm and 10mm；Batten 4 of casting die preparation, thickness is respectively 0.5mm, 1.5mm, 3mm, 10mm.
Test method of the invention is not selective for amorphous alloy system, and the amorphous alloy system can be
One of zirconium-base amorphous alloy, Fe-based amorphous alloy, cu-based amorphous alloys.
Because of the difference of the multidimensional size of amorphous alloy, different free volumes, elementide and shear band can be generated, with
For shear band, if at least one-dimensional size will increase less than 5 millimeters in the multidimensional size that the amorphous alloy provided has
The quantity of shear band in amorphous alloy, and increasing for shear band, will increase the plastic deformation ability of amorphous alloy, to obtain
Excellent mechanical performance, such as the strength of materials and the preferable amorphous alloy material of the ability of plastic strain.It is therefore preferred that institute
It states in the multidimensional size of amorphous alloy, at least one dimension size is less than 5 millimeters；The plastic strain of the amorphous alloy is greater than 1%.
It is further preferred that at least one dimension size is less than 2 millimeters in the multidimensional size of the amorphous alloy.
Because vickers hardness test method itself require alloy to be detected surface it is smooth in the case where, Vickers hardness survey
The examination test cornerwise precise measurement of impression can just be guaranteed, and therefore, can generally treat before carrying out vickers hardness test
The surface of detection alloy is polished, and the surface to guarantee alloy to be detected is smooth.
The casting preparation method include under the protection of protective gas or under vacuum conditions, by raw metal according to
Ratio mixed smelting is simultaneously smelted into alloy cast ingot, by alloy cast ingot again melting and is heated to be cooled in after soup temperature
Type obtains zirconium-base amorphous alloy.The method of the melting is various conventional method of smelting in this field, as long as by amorphous alloy
Raw material sufficiently melts, such as melting can be carried out in smelting equipment, and smelting temperature and smelting time are with amorphous alloy
The difference of raw material has some variations.In the present invention, smelting temperature is preferably 800-2700 DEG C, more preferably 1000-2000
℃；Smelting time is preferably 0.5-5 minutes, more preferably 1-3 minutes.The smelting equipment can be conventional smelting equipment,
Such as vacuum arc melting furnace, vacuum induction melting furnace or vacuum resistance furnace.The vacuum degree of the vacuum condition can for 3 ×
10-5Pa is to 102Pa (absolute pressure).
The cooling and shaping can be using various conventional cooling and shaping methods in this field, for example, by the alloy of melting
Material (melt) is cast in mold, is then cooled down.The casting method can be gravity casting, suction casting, spray to cast or die casting.Weight
Power casting refers to be cast in mold using the gravity of melt itself.Mold materials can be copper alloy, stainless steel and lead
Hot coefficient be 30-400W/m K(be preferably 50-200 W/m K) material.Mold can carry out water cooling, liquid nitrogen cooling or connection
Mould temperature device.The temperature control of mould temperature device alloy glass transition temperature (Tg) hereinafter, preferably 20 DEG C to Tg-30
℃.Cooling speed can be 10-105K/s, preferably 102-104K/s.Cooling degree is not specially required, as long as energy
It is shaped to amorphous alloy of the invention.
The casting die is known to those skilled in the art, after obtaining alloy cast ingot, needs again to melt alloy cast ingot
Refine and be heated to after soup temperature (temperature when melt die casting), then cool down high-pressure casting and obtain, specific casting method and
Casting condition is known to those skilled in the art, for example, the pressure of high-pressure casting can be 2-20 megapascal.
Above method step proposed by the present invention is simple, easy to operate and high-efficient, at low cost, it is easy to accomplish big
Batch production control.
Below by embodiment, the present invention will be described in more detail.
Embodiment 1
Zr, Al, Cu, Ni that purity is 99.0 weight % are pressed into Zr55Al10Ni5Cu30Proportion, uses purity for 99.0 bodies
The argon gas of product % under the conditions of 1100 DEG C, melting 4 minutes, melts alloy raw material completely as protective gas.Melt is cast
Water cooling is carried out with the cooling velocity of 102K/s into copper mold.Pole 5 of different-diameter, diameter point is made in the mode of gravity casting
Not Wei 3mm, 5mm, 7mm, 9mm and 10mm, be labeled as sample B1, sample B2, sample B3, sample B4, sample B5；It is molten using induction
Refining, die casting mode prepare batten 3, and thickness is respectively 0.5mm, 1.5mm, 10mm, is labeled as sample B6, sample B7, sample
B8.Vickers hardness test, bending strength test are carried out to these exemplars.A Vickers is calculated according to the result that test obtains
With reference to hardness W1.
Embodiment 2
With embodiment 1, difference is, takes sample B1, the sample B2, sample of above-described embodiment 1 of above-mentioned gravity casting
B3, sample B5, corresponding diameter is respectively 3mm, 5mm, 7mm and 10mm；2 sample B6 of batten, the sample B7 of casting die preparation are right
Answering thickness is respectively 0.5mm, 1.5mm, and a Vickers is calculated with reference to hardness W2 according to the result that test obtains.
Embodiment 3
With embodiment 1, difference is, it further includes the sample B9 with a thickness of 3mm that the batten of casting die preparation, which is 4,.It is right
Sample B9 carries out vickers hardness test, bending strength test.A Vickers is calculated with reference to hard according to the result that test obtains
Spend W3.
Embodiment 4
With embodiment 1, difference is, Zr, Al, Cu, Ni, Y that purity is 99.0 weight % are pressed
Zr51Al10.5Ni7.5Cu30Y1Proportion.The mode of gravity casting is made pole 5 of different-diameter, diameter be respectively 3mm, 5mm,
7mm, 9mm and 10mm are labeled as sample C1, sample C2, sample C3, sample C4, sample C5；Using induction melting, die casting mode
Batten 3 are prepared, thickness is respectively 0.5mm, 1.5mm, 10mm, is labeled as sample C6, sample C7, sample C8.To these exemplars
Carry out vickers hardness test, bending strength test.A Vickers is calculated with reference to hardness W4 according to the result that test obtains.
Embodiment 5
With embodiment 4, difference is, takes sample C1, the sample C2, sample of above-described embodiment 4 of above-mentioned gravity casting
C3, sample C5, corresponding diameter is respectively 3mm, 5mm, 7mm and 10mm；2 sample C6 of batten, the sample C7 of casting die preparation are right
Answering thickness is respectively 0.5mm, 1.5mm, and a Vickers is calculated with reference to hardness W5 according to the result that test obtains.
Test method:
1, vickers hardness test
Using GB 4340-2009, Vickers is carried out on Micro Hardness Text Hv1000 vickers hardness test machine
Hardness test, diamond diamond shape pressure head, using 49.06N load, the load time is 15 seconds.
2, bending strength test
According to the method for GB/T14452-93, amorphous alloy sample is in the experimental machine (newly thinking carefully company) that tonnage is 1 ton
It is tested, 50 millimeters of span, loading velocity is 0.5 mm/min, and the results are shown in Table 1.
3, XRD analysis
Amorphous alloy sample is carried out to XRD powder diffraction point on the x-ray powder diffraction instrument of model D-MAX2200PC
Analysis, to determine whether alloy is amorphous.The condition of X-ray powder diffraction includes being radiated with copper target, incident wavelength λ=1.54060,
Acceleration voltage is 40 kilovolts, and electric current is 20 milliamperes, and using step-scan, scanning step 0.04o, test results are shown in figure 2.
The test result of the embodiment of the present invention 1 is as shown in table 1.
Table 1
。
The Vickers critical reference hardness of embodiment 1 is unfolded to be described in detail, by bending strength, successively sequence is arranged from high to low
Column, 2846,2621,2517,2215,2163,1247,1139,982, then it can be found that bending strength is the amorphous of 1247 Mpa
Alloy bending strength is than 70%(i.e. 2163*0.7=1514 for the amorphous alloy that bending strength is 2163 Mpa), then set bending resistance
The Vickers for the amorphous alloy that 457 GPa of Vickers hardness and bending strength for the amorphous alloy that intensity is 1247Mpa are 2163 Mpa
The average value of hardness 479GPa, i.e. (457+479)/2=468 (GPa) are the Vickers critical reference hardness W1 of crystalline state alloy.
Similarly, the Vickers critical reference hardness that embodiment 2 is calculated is that the Vickers that 466 GPa are crystalline state alloy is critical
With reference to hardness W2.The Vickers critical reference hardness of embodiment 3 is 463(GPa) be crystalline state alloy Vickers critical reference hardness
W3。
The test result of the embodiment of the present invention 4 is as shown in table 2.
Table 2
。
The Vickers critical reference hardness W4 that embodiment 4 is calculated is 465 GPa, and the Vickers critical reference of embodiment 5 is hard
Degree W5 is 463GPa.
Verify example 1
By alloy product 6 be prepared according to the method for embodiment 1 on production line be respectively labeled as X11, X12,
X13, X14, X15, X16 test its hardness respectively and carry out XRD analysis to these samples, to verify the Vickers that the present invention is set
Whether critical reference hardness is appropriate.
Verify example 2
By alloy product 6 be prepared on production line according to the method for embodiment 4 be respectively labeled as Y11, Y12,
Y13, Y14, Y15, Y16 test its hardness respectively and carry out XRD analysis to these samples, to verify the Vickers that the present invention is set
Whether critical reference hardness is appropriate.
The alloy product X11-X16 that test example 1 obtains is carried out according to the Vickers that embodiment 1 is calculated with reference to hardness
Comparison, judgement obtain whether it occurs crystallization, and the results are shown in Table 3.
Table 3
。
Vickers that the alloy product X11-X16 that test example 1 obtains is calculated according to embodiment 2 is carried out pair with reference to hardness
Than judgement obtains whether it occurs crystallization, and the results are shown in Table 4.
Table 4
。
Vickers that the alloy product X11-X16 that test example 1 obtains is calculated according to embodiment 3 is carried out pair with reference to hardness
Than judgement obtains whether it occurs crystallization, and the results are shown in Table 5.
Table 5
。
At the same time, by alloy product X11-X16 that test example 1 obtains by XRD analysis determine its whether crystallization, as a result
As shown in Figure 1.By shown in Fig. 1, if any crystallization is not observed in the alloy in the effective resolution of X-ray diffractometer
Peak illustrates that prepared alloy is amorphous state.When containing Crystallization Phases in amorphous alloy, it will observe relatively sharp generation
The Bragg diffraction maximum of table Crystallization Phases.
From table 3, table 4, table 5 as can be seen that Vickers critical reference hardness W1, Vickers critical reference hardness W2, Vickers are critical
It is smaller with reference to the gap between hardness W3 tri- values, it may determine that obtain using above three Vickers critical reference hardness
Crystallization has occurred in X13, X16, and X11, X12, X14, X15 are still amorphous alloy.The XRD test result tested in Fig. 1 shows,
X11, X12, X14, X15 alloy are not observed any crystallization peak in the effective resolution of X-ray diffractometer, prepared by explanation
Alloy be amorphous state, and X13, X16 have relatively sharp representative Crystallization Phases Bragg diffraction maximum, illustrate X13, X16 send out
Crystallization is given birth to.XRD test result is identical with using judgment method judging result of the invention, therefore, using of the invention
Test method can quickly judge that the product on which production line is amorphous completely, which has occurred that crystallization.
The alloy product Y11-Y16 that test example 2 obtains is joined according to the Vickers that embodiment 4, embodiment 5 are calculated respectively
It examines hardness to compare, as a result determines to obtain whether it occurs crystallization as shown in table 6, table 7 respectively.
Table 6
。
Table 7
。
At the same time, by alloy product Y11-Y16 that test example 2 obtains by XRD analysis determine its whether crystallization, as a result
As shown in Figure 2.Show that Y11, Y12, Y14, Y15 alloy spread out in X-ray by the XRD test result shown in Fig. 2, tested in Fig. 2
It penetrates in the effective resolution of instrument and any crystallization peak is not observed, illustrate that prepared alloy is amorphous state, and Y13, Y16 have
There is the Bragg diffraction maximum of relatively sharp representative Crystallization Phases, illustrates that crystallization has occurred in Y13, Y16.XRD test result and use are originally
The judgment method judging result of invention is identical, further demonstrates, completely can be quick using test method of the invention
Judge that the product on which production line is amorphous, which has occurred that crystallization.
Determine that result and XRD test analysis determine with reference to hardness balance by above-mentioned verifying example 1 and the Vickers for verifying example 2
As a result comparison it can be found that using Vickers of the invention with reference to hardness determine production line product whether the accuracy of crystallization
Height, the easy-to-use method for judging whether crystallization for the character surveillance of Workshop Production.
Claims (10)
1. a kind of judgement amorphous alloy whether the method for crystallization, which comprises the following steps:
Firstly, casting method prepares the different amorphous alloy pole at least four of diameter dimension, casting die prepares the different amorphous of thickness
Alloy batten at least two,
Secondly, the Vickers hardness and bending strength of above-mentioned amorphous alloy are tested,
Again, the bending strength for analyzing these amorphous alloys is arranged successively according to sequence from high to low, if a certain amorphous alloy
Bending strength be less than adjacent amorphous alloy bending strength 70%, set the amorphous alloy Vickers hardness and adjacent amorphous close
The average value of the Vickers hardness of gold is the Vickers critical reference hardness of crystalline state alloy,
If the Vickers hardness number of alloy to be detected be greater than the Vickers critical reference hardness, judge its for amorphous alloy,
If the Vickers hardness number of alloy to be detected is less than the Vickers critical reference hardness, judge it for crystalline state alloy.
2. judgement amorphous alloy according to claim 1 whether the method for crystallization, wherein the casting method prepare amorphous conjunction
Golden pole 4, casting die prepare different amorphous alloy batten 2 of thickness.
3. judgement amorphous alloy according to claim 2 whether the method for crystallization, wherein the amorphous of casting method preparation
Alloy pole 4, diameter is respectively 3mm, 5mm, 7mm and 10mm；Amorphous alloy batten 2 of casting die preparation, thickness difference
For 0.5mm, 1.5mm.
4. judgement amorphous alloy according to claim 1 whether the method for crystallization, wherein the casting method prepares diameter ruler
Very little different amorphous alloy pole is 5, and it is 3 that casting die, which prepares the different amorphous alloy batten of thickness,.
5. judgement amorphous alloy according to claim 4 whether the method for crystallization, wherein the amorphous of casting method preparation
Alloy pole 5, diameter is respectively 3mm, 5mm, 7mm, 9mm and 10mm；Amorphous alloy batten 3 of casting die preparation, thickness
Respectively 0.5mm, 1.5mm, 10mm.
6. judgement amorphous alloy according to claim 1 whether the method for crystallization, wherein the casting method prepares diameter ruler
Very little different amorphous alloy pole is 5, and it is 4 that casting die, which prepares the different amorphous alloy batten of thickness,.
7. judgement amorphous alloy according to claim 6 whether the method for crystallization, wherein the amorphous of casting method preparation
Alloy pole 5, diameter is respectively 3mm, 5mm, 7mm, 9mm and 10mm；Amorphous alloy batten 4 of casting die preparation, thickness
Respectively 0.5mm, 1.5mm, 3mm, 10mm.
8. judgement amorphous alloy according to claim 1 whether the method for crystallization, wherein the amorphous alloy be zirconium base it is non-
One of peritectic alloy, Fe-based amorphous alloy, cu-based amorphous alloys.
9. judgement amorphous alloy according to claim 1 whether the method for crystallization, wherein the multidimensional ruler of the amorphous alloy
In very little, at least one dimension size is less than 5 millimeters；The plastic strain of the amorphous alloy is greater than 1%.
10. judgement amorphous alloy according to claim 1 whether the method for crystallization, wherein in the more of the amorphous alloy
It ties up in size, at least one dimension size is less than 2 millimeters.
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