CN101538690B - Amorphous alloy and preparation method thereof - Google Patents
Amorphous alloy and preparation method thereof Download PDFInfo
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- CN101538690B CN101538690B CN2009100097896A CN200910009789A CN101538690B CN 101538690 B CN101538690 B CN 101538690B CN 2009100097896 A CN2009100097896 A CN 2009100097896A CN 200910009789 A CN200910009789 A CN 200910009789A CN 101538690 B CN101538690 B CN 101538690B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 229910000808 amorphous metal alloy Inorganic materials 0.000 title abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 34
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 24
- 239000000956 alloy Substances 0.000 claims abstract description 24
- 238000003723 Smelting Methods 0.000 claims abstract description 13
- 239000005300 metallic glass Substances 0.000 claims description 34
- 238000002844 melting Methods 0.000 claims description 27
- 230000008018 melting Effects 0.000 claims description 25
- 229910052802 copper Inorganic materials 0.000 claims description 18
- 229910052726 zirconium Inorganic materials 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 9
- 238000005266 casting Methods 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 230000000737 periodic effect Effects 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 229910052718 tin Inorganic materials 0.000 abstract description 6
- 229910052710 silicon Inorganic materials 0.000 abstract description 2
- 238000002425 crystallisation Methods 0.000 abstract 1
- 230000008025 crystallization Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 230000007704 transition Effects 0.000 abstract 1
- 239000010949 copper Substances 0.000 description 30
- 238000010438 heat treatment Methods 0.000 description 12
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 9
- 230000006698 induction Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 229910052786 argon Inorganic materials 0.000 description 5
- 229910052790 beryllium Inorganic materials 0.000 description 5
- 229910052719 titanium Inorganic materials 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000004512 die casting Methods 0.000 description 4
- 229910052723 transition metal Inorganic materials 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- 238000009863 impact test Methods 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- XTYUEDCPRIMJNG-UHFFFAOYSA-N copper zirconium Chemical compound [Cu].[Zr] XTYUEDCPRIMJNG-UHFFFAOYSA-N 0.000 description 2
- 239000002178 crystalline material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000002050 diffraction method Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000634 powder X-ray diffraction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C16/00—Alloys based on zirconium
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/02—Alloys containing less than 50% by weight of each constituent containing copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/04—Alloys containing less than 50% by weight of each constituent containing tin or lead
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C45/00—Amorphous alloys
- C22C45/001—Amorphous alloys with Cu as the major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C45/00—Amorphous alloys
- C22C45/10—Amorphous alloys with molybdenum, tungsten, niobium, tantalum, titanium, or zirconium or Hf as the major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
Abstract
The invention relates to an amorphous alloy, the formula of which is CuaZrbMcBed, wherein the a, the b, the c and the d are mol percentages, a+b+c+d=100, a is smaller than or equal to 45 and is larger than or equal to 15, b is smaller than or equal to 50 and is larger than or equal to 10, c is smaller than or equal to 35 and is larger than or equal to 5, and d is smaller than or equal to 30 and is larger than or equal to 0; and the M is an element of transition group metal except the Cu and the Zr and is one or more than one of Al, Sn and Si. The amorphous alloy can effectively enhance the crystallization-inhibited capability of alloys, enables critical dimension to be accurate to a centimeter level and also greatly enhances the strength and the toughness. The invention also relates to a preparation method of the amorphous alloy, which has low requirement for vacuum degree and cooling rate, thereby lowering the requirement for smelting and forming equipment to enable the product to be easier to carry out industrialized production.
Description
Technical field
The present invention relates to a kind of non-crystaline amorphous metal and preparation method thereof, especially relate to a kind of novel, high strength, high tenacity and the non-crystaline amorphous metal that is easy to prepare and preparation method thereof.
Background technology
Bulk amorphous alloys is because of unordered, the short range order of its unique microtexture-long-range, have crystal alloy incomparable mechanical property, as intensity and hardness height, good springiness, anti-corrosion, wear-resisting etc., in the Aeronautics and Astronautics field, industry such as IT electronics, machinery, chemical industry has wide practical use.But, because the preparation condition harshness of non-crystaline amorphous metal: vacuum tightness and rate of cooling are required all than higher, all smaller to most its sizes of system non-crystaline amorphous metal, only be confined to band, filament and powder, this has just limited the application of non-crystaline amorphous metal greatly.Obtain large-sized bulk amorphous alloy, must have sufficiently high speed of cooling to guarantee, will cause resource and cost waste in process of production like this.Therefore press for the inhibition crystallizing power that improves non-crystaline amorphous metal at present, thereby improve its amorphous formation ability, reduce requirement, the control production cost preparation technology.
For existing copper-zirconium-base amorphous material, high strength generally is to be based upon on the basis of harsh preparation condition and higher material purity.This shows that traditional copper zirconium base has bigger limitation aspect preparation.The randomness of composition itself is not enough, to such an extent as to must use high-purity raw and high vacuum to avoid heterogeneous forming core in process of setting.And the bigger speed of cooling of dependence suppresses atomic migration and forms amorphous.Aspect toughness, copper zirconium based component is owing to select for use the atoms of elements radius not have tangible gradient, makes aspect the piling up of atom fine and closely inadequately, causes the ability reduction of material opposing crack propagation itself, shows that from macroscopic view toughness value is lower.
Summary of the invention
The toughness that the object of the invention is to overcome the existing copper zirconium-base amorphous alloy is low, intensity is low and the demanding defective of preparation condition, thereby a kind of have high strength, high tenacity and the non-crystaline amorphous metal extremely low to the preparation condition requirement are provided.
A kind of moiety of non-crystaline amorphous metal is: Cu
aZr
bM
cBe
d, wherein a, b, c, d are molecular fraction and a+b+c+d=100; 15≤a≤45,10≤b≤50,5≤c≤35,0≤d≤30; M is at least a among the element except that Cu, Zr, Al, Sn, the Si in the magnesium-yttrium-transition metal.
Another object of the present invention is to provide the preparation method of described non-crystaline amorphous metal.This preparation method suppresses crystallizing power in the process of preparation better.
A kind of preparation method of non-crystaline amorphous metal, this method may further comprise the steps:
1), batching: take by weighing Cu, Zr, M and Be according to Cu: Zr: M: Be=a: b: c: d and prepare burden;
2), ingot casting: it is 10 that smelting furnace is evacuated to vacuum tightness
-2-10
3Pa, the raw material after will handling through step 1) mixes, and carries out melting, with 10-10
4The speed of cooling cooling of K/s obtains mother alloy ingot;
3), moulding: with step 2) fusing of the mother alloy ingot that makes, with conventional molding mode with 10-10
4The speed of cooling cooling forming of K/s;
Wherein a, b, c, d are molecular fraction and a+b+c+d=100; 15≤a≤45,10≤b≤50,5≤c≤35,0≤d≤30; M is at least a among the element except that Cu, Zr, Al, Sn, the Si in the magnesium-yttrium-transition metal.
Non-crystaline amorphous metal of the present invention can effectively improve alloy and suppress the crystalline ability, makes critical size bring up to centimetre-sized, and intensity and toughness are greatly improved.And because the amorphous formation ability preferably that has of this non-crystalline material is little to the requirement of vacuum tightness and rate of cooling in melting and moulding process, thereby reduced requirement to melting and molding device.Make this product be easier to carry out suitability for industrialized production.As satisfying under the condition of rate of cooling, can adopt the material of low thermal conductivities such as relatively inexpensive stainless steel, beryllium copper to be used as forming mould.Because it is stronger that this alloy suppresses the crystalline ability, so material purity and vacuum requirements are also reduced a lot.
Description of drawings
The XRD figure picture of the non-crystaline amorphous metal that Fig. 1 embodiment of the invention 1-6 and Comparative Examples 1 are prepared.
Embodiment
A kind of non-crystaline amorphous metal, wherein, the consisting of of this non-crystaline amorphous metal: Cu
aZr
bM
cBe
d, wherein a, b, c, d are molecular fraction and a+b+c+d=100; 15≤a≤45,10≤b≤50,5≤c≤35,0≤d≤30; M is at least a among the element except that Cu, Zr, Al, Sn, the Si in the magnesium-yttrium-transition metal.Be preferably: 30≤a≤45,30≤b≤40,5≤c≤25,0.01≤d≤10, and a+b+c+d=100.
The invention provides and consist of Cu
aZr
b(Ag
xSn
(1-x))
cBe
dNon-crystaline amorphous metal, wherein, 30≤a≤45,30≤b≤40,5≤c≤25,0.01≤d≤10,0＜x＜1, and a+b+c+d=100.
The invention provides and consist of Cu
aZr
b(Ti
yAl
zY
(1-y-z))
cNon-crystaline amorphous metal, wherein 20≤a≤45,10≤b≤50,5≤c≤35,0＜y＜1,0＜z＜1 and a+b+c=100,0＜y+z＜1.
The invention provides a kind of preparation method of non-crystaline amorphous metal, this method may further comprise the steps:
A kind of preparation method of non-crystaline amorphous metal, this method may further comprise the steps:
1), batching: take by weighing Cu, Zr, M and Be according to Cu: Zr: M: Be=a: b: c: d and prepare burden;
2), ingot casting: it is 10 that smelting furnace is evacuated to vacuum tightness
-2-10
3Pa, the raw material after will handling through step 1) mixes, and carries out melting, with 10-10
4The speed of cooling cooling of K/s obtains mother alloy ingot;
3), moulding: with step 2) fusing of the mother alloy ingot that makes, with conventional molding mode with 10-10
4The speed of cooling cooling forming of K/s;
Wherein, M is at least a among the element except that Cu, Zr, Al, Sn, the Si in the magnesium-yttrium-transition metal.A, b, c, d are molecular fraction and a+b+c+d=100; 15≤a≤45,10≤b≤50,5≤c≤35,0≤d≤30 are preferably 30≤a≤45,30≤b≤50,5≤c≤25,0.01≤d≤10.
Described smelting temperature is 1500-2500 ℃, is preferably: 1800-2000 ℃, vacuum tightness is 10
-2-1000Pa is preferably 10
-2-500Pa.
Feed shielding gas after described vacuumizing, described shielding gas is one or more gases in the neutral element in the periodic table of elements, as in helium, neon, argon, the krypton one or more.
The temperature of described fusing is: 1500-2000 ℃, be preferably: 1800-2000 ℃.Described refrigerative speed is preferably 10
2-10
3K/s.
Melting before cooling ingot casting and the cooling forming and fusing mode all can adopt at present various melting modes relatively more commonly used, comprise arc melting, induction melting, resistive heating melting etc.; Molding mode can adopt copper mold casting, die casting, suction casting, get rid of band, water quenching etc.
The present invention is described in more detail below in conjunction with embodiment:
Embodiment 1
With purity be 99.6wt% Cu, Zr, Ti, Al, Y altogether 25g according to Cu: Zr: Ti: Al: Y=44: 45: 2: 7: 2 ratio was positioned over and is evacuated to 50Pa in the arc-melting furnace, feed argon gas, under 2000 ℃ condition, carry out melting, smelting time 20-50s, be cooled to ingot, speed of cooling 10 after fully stirring
4K/s melts the back with speed of cooling 10 in 2000 ℃ electric-arc heating modes
4K/s becomes the alloy sample C1 of size 3*10*100mm with the beryllium copper die casting.
Embodiment 2
With purity be 99.6wt% Cu, Zr, Al, Ti, Be altogether 200kg according to Cu: Zr: Al: Ti: Be=43: 45: 7: 2: 2 ratio was positioned over and is evacuated to 100Pa in the induction melting furnace, and is logical
Go into nitrogen, under 1500 ℃ condition, carry out melting, smelting time 20 minutes, be cooled to ingot with speed of cooling 102K/s after fully stirring, melting the back in the mode of 1800 ℃ of resistive heating is that 103K/s adopts the method for stainless steel mould die casting to make the alloy sample C2 of size 3*10*100mm with the speed of cooling.
Embodiment 3
With purity be 99.6wt% Cu, Zr, Ag, Sn, Be altogether 200kg according to Cu: Zr: Ag: Sn: Be=44: 38: 7: 1: 10 ratio was positioned over and is evacuated to 500Pa in the induction melting furnace, mode with induction heating under 1800 ℃ condition is carried out melting, smelting time 30s, be cooled to ingot with speed of cooling 10K/s after fully stirring, melting the back in the mode of 1500 ℃ of resistive heating is 10 with speed of cooling
2K/s adopts the method for stainless steel mould die casting to make the alloy sample C3 of size 3*10*100mm.
Embodiment 4
With purity be 99.9wt% Cu, Zr, Ti, Ni, Si, Be altogether 200kg according to Cu: Zr: Ti: Ni: Si: Be=44: 11: 30: 8: 1: 4 ratio was positioned over and is evacuated to 300Pa in the induction melting furnace, mode with induction heating under 1600 ℃ condition is carried out melting, smelting time 20 minutes, be cooled to ingot with speed of cooling 150K/s after fully stirring, melting the back in the mode of 1700 ℃ of resistive heating of temperature is 10 with speed of cooling
3K/s goes out the alloy sample C4 that size cuts into 3*10*100mm to get rid of the band legal system.
Embodiment 5
With purity be 99.8wt% Cu, Zr, Ti, Be altogether 20g according to Cu: Zr: Ti: Be=40: 37: 8: 15 ratio is positioned over and is evacuated to 1000Pa in the silica tube; feed argon gas; mode with induction heating under the condition of 1900 ℃ of protections of temperature is carried out melting; smelting time 45s; be cooled to ingot with speed of cooling 50K/s after fully stirring, melting the back in the mode of 2000 ℃ of induction heating of temperature is 10 with speed of cooling
3The water quenching of K/s is made the alloy sample C5 of size 3*10*100mm.
Embodiment 6
With purity be 99.9wt% Cu, Zr, Al, Be altogether 20g according to Cu: Zr: Al: Be=35: 30: 5: 20 ratio is positioned over and is evacuated to 500Pa in the silica tube, feed argon gas, mode with electric-arc heating under the condition of 1800 ℃ of temperature is carried out melting, smelting time is 50s, being cooled to ingot with speed of cooling 104K/s after fully stirring, is that to melt the back be the alloy sample C6 that the water quenching of 104K/s is made size 3*10*100mm with the speed of cooling for the mode of 2000 ℃ of induction heating with temperature.
Comparative Examples 1
This Comparative Examples is used to illustrate the non-crystalline material under the prior art condition.
With purity be 99.9wt% Zr, Ti, Cu altogether 25g according to Cu: Zr: Ti=60: 30: 10 ratio is positioned in the arc-melting furnace, be evacuated to 5Pa, feed argon gas, under 1900 ℃ condition, carry out melting, smelting time 40s, fully stirring is 10 with speed of cooling afterwards
4K/s is cooled to ingot, and melting the back in 1800 ℃ of electric-arc heating modes of temperature is 10 with speed of cooling
3K/s is cast into the alloy sample D of size 3*10*100mm with copper mold.
Embodiment 7-12
The non-crystaline amorphous metal sample C1-C6 that embodiment 1-6 is obtained carries out impact experiment and XRD analysis according to following condition respectively.
1), compression testing
This experiment is carried out on the serial universal testing machine of the CMT5000 that newly thinks carefully production.Test result is as shown in table 1.Sample two ends between the length-to-diameter ratio 2-4 are machined to concordant, are positioned over universal testing machine up and down between the platen, be compressed to fracture, draw the ultimate compression strength of sample.
2), impact experiment
This experiment is carried out on the serial balance weight impact testing machine of the ZBC1000 that newly thinks carefully production.Test result is as shown in table 1.To sample processing 2mmV type breach, and carry out Charpy impact test, obtain sample impelling strength.Reference standard: the GBT 229-2007 metallic substance summer is than pendulum impact test method.
3), XRD analysis
Whether the XRD diffraction analysis is that material is carried out material phase analysis, be amorphous to judge alloy, and this experiment is to carry out on model is the x-ray powder diffraction instrument of D-MAX2200PC.With the copper target emanation, its incident wavelength
Acceleration voltage is 40KV, and electric current is 20mA, adopts step-scan, and scanning step is 0.04 °, and test result as shown in Figure 1.
Comparative Examples 2
The non-crystaline amorphous metal sample D that Comparative Examples 1 is obtained carries out impact experiment and XRD analysis according to the condition of embodiment 6-10.Measurement results such as table 1, shown in Figure 1.
Table 1
| Alloy sample | Compressive strength (MPa) | Impelling strength (KJ/m 2)? |
| C1? | 2724.35 | 205.16? |
| C2? | 2564.24 | 295.68? |
| C3? | 2561.51 | 252.27? |
| C4? | 2348.31 | 173.41? |
| C5? | 2241.24 | 182.10? |
| C6? | 2293.34 | 167.06? |
| D? | 1834.56 | 116.95? |
The non-crystaline amorphous metal sample D that provides of Comparative Examples 1 as can be seen from Table 1, impelling strength is 116.95KJ/m
2, and among the non-crystaline amorphous metal sample C1-C6 that embodiment of the invention 1-6 provides, impelling strength is minimum to be 167.06KJ/m
2, reach as high as 295.68KJ/m
2Obviously, the non-crystaline amorphous metal that is provided among the present invention improves a lot aspect shock resistance.The compressive strength of the non-crystaline amorphous metal sample D that Comparative Examples 1 provides is 1834.56MPa, among the non-crystaline amorphous metal sample C1-C6 that embodiment 1-6 provides, compressive strength is minimum to be 2241.24MPa, be up to 2564.24MPa, clearly the intensity of the existing non-crystaline amorphous metal of strength ratio of other non-crystaline amorphous metal of the present invention is big.
Each of the alloy sample D of alloy sample C1, C2, C3, C4, C5, C6 and the Comparative Examples of the embodiment from Fig. 1 dispersed the peak as can be seen, and the alloy sample D that alloy sample C1-C6 that embodiment of the invention 1-6 provides and Comparative Examples 1 provide is non-crystalline state.
Claims (5)
1. a non-crystaline amorphous metal is characterized in that, the consisting of of this non-crystaline amorphous metal: Cu
aZr
bM
cBe
d, wherein a, b, c, d are molecular fraction and a+b+c+d=100; M is Ag
xSn
(1-x), 30≤a≤45,30≤b≤40,5≤c≤25,0.01≤d≤10,0＜x＜1.
2. the preparation method of a non-crystaline amorphous metal, this method may further comprise the steps:
1), batching: take by weighing Cu, Zr, M and Be according to Cu: Zr: M: Be=a: b: c: d and prepare burden;
2), ingot casting: it is 10 that smelting furnace is evacuated to vacuum tightness
-2-10
3Pa, the raw material after will handling through step 1) mixes, and carries out melting, with 10-10
4The speed of cooling cooling of K/s obtains mother alloy ingot;
3), moulding: with step 2) fusing of the mother alloy ingot that makes, with conventional molding mode with 10-10
4The speed of cooling cooling forming of K/s;
Wherein a, b, c, d are molecular fraction and a+b+c+d=100; M is Ag
xSn
(1-x), 30≤a≤45,30≤b≤40,5≤c≤25,0.01≤d≤10,0＜x＜1.
3. the preparation method of non-crystaline amorphous metal according to claim 2, wherein smelting temperature is 1500-2500 ℃.
4. the preparation method of non-crystaline amorphous metal according to claim 2 wherein, feeds shielding gas after described vacuumizing.
5. the preparation method of non-crystaline amorphous metal according to claim 4, wherein, described shielding gas is the gas of neutral element in the periodic table of elements, in the nitrogen one or more.
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|---|---|---|---|
| CN2009100097896A CN101538690B (en) | 2008-03-21 | 2009-01-20 | Amorphous alloy and preparation method thereof |
| US12/406,419 US20090288741A1 (en) | 2008-03-21 | 2009-03-18 | Amorphous Alloy and A Preparation Method Thereof |
| EP09004061A EP2103699A1 (en) | 2008-03-21 | 2009-03-20 | An amorphous alloy and a preparation method thereof |
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|---|---|---|---|
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| CN2009100097896A CN101538690B (en) | 2008-03-21 | 2009-01-20 | Amorphous alloy and preparation method thereof |
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|---|---|
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| CN101886232B (en) | 2009-05-14 | 2011-12-14 | 比亚迪股份有限公司 | Amorphous alloy-based composite material and preparation method thereof |
| CN102041461B (en) | 2009-10-22 | 2012-03-07 | 比亚迪股份有限公司 | Zr-based amorphous alloy and preparation method thereof |
| CN102041462B (en) * | 2009-10-26 | 2012-05-30 | 比亚迪股份有限公司 | Zirconium-based amorphous alloy and preparation method thereof |
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| CN101538690A (en) | 2009-09-23 |
| EP2103699A1 (en) | 2009-09-23 |
| US20090288741A1 (en) | 2009-11-26 |
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