CN101012535A - Centimeter grade plastic Cu-(Zr,Ti)-Al bulk amorphous alloy - Google Patents
Centimeter grade plastic Cu-(Zr,Ti)-Al bulk amorphous alloy Download PDFInfo
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- CN101012535A CN101012535A CN 200710067091 CN200710067091A CN101012535A CN 101012535 A CN101012535 A CN 101012535A CN 200710067091 CN200710067091 CN 200710067091 CN 200710067091 A CN200710067091 A CN 200710067091A CN 101012535 A CN101012535 A CN 101012535A
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- alloy
- amorphous
- amorphous alloy
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- bulk amorphous
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- 229910000808 amorphous metal alloy Inorganic materials 0.000 title claims description 24
- 239000000956 alloy Substances 0.000 claims abstract description 36
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 35
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 17
- 229910017518 Cu Zn Inorganic materials 0.000 claims description 10
- 229910017752 Cu-Zn Inorganic materials 0.000 claims description 10
- 229910017943 Cu—Zn Inorganic materials 0.000 claims description 10
- 239000005300 metallic glass Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 5
- 239000013078 crystal Substances 0.000 abstract 2
- 239000010949 copper Substances 0.000 description 24
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 18
- 229910052802 copper Inorganic materials 0.000 description 12
- 238000002844 melting Methods 0.000 description 10
- 230000008018 melting Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 229910052786 argon Inorganic materials 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000005266 casting Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000003723 Smelting Methods 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 4
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000012620 biological material Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 238000001938 differential scanning calorimetry curve Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007496 glass forming Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The invention discloses a non-crystal alloy of centimetre grade plastic Cu-(Zr, Ti)-Al system block, which possesses 50-100% non-crystal phase, wherein the structural formula of system alloy is Cu45Zr48-xAl7Tix (x is atom percentage of Ti element, which is between 0.5 and 6).
Description
Technical field
The present invention relates to the amorphous alloy field, particularly relate to Cu-(Zr, Ti)-the Al Al-Cu-Zn block amorphous alloy.
Background technology
Amorphous alloy is that the composed atom arrangement is not periodically and a symmetric class novel alloy material.Because its special microtexture causes them to have superior mechanics, physics, chemistry and magnetic property, as high strength, high rigidity, wear-resistant, corrosion-resistant.These superior performances make amorphous alloy have application potential in a lot of fields.
Simultaneously, amorphous alloy also has the weakness of self, has limited its application.The main difficulty that amorphous alloy faces in using is: 1) prepare large-sized amorphous alloy.Metal and alloy liquid tend to be transformed into the crystalline material that atomic rule is arranged in process of cooling, seek out the amorphous alloy of atom long-range lack of alignment, and it is enough fast that speed of cooling is wanted, make atom also have little time to be arranged in crystalline structure with regard to frozen firmly.Under the identical situation of other conditions, along with the big increase of sample size, speed of cooling slows down, and causes large-sized amorphous alloy to be difficult to obtain.2) raising of thermostability.Amorphous alloy is in the thermodynamics metastable state, the trend that oriented thermodynamics stable state-crystalline state changes, and this transition temperature is called crystallization temperature.Therefore in order in bigger temperature range, to use amorphous material, just need to improve the thermostability of amorphous alloy, the high alloy system of exploitation thermostability.3) enhancing of amorphous alloy plasticity.Amorphous metal does not have the slip mechanism of crystalline state metal, and fracture suddenly takes place when added stress reaches breaking tenacity, causes the generation of disaster accident, has restricted the application of amorphous metal in the structured material field.The plasticity of improving amorphous metal becomes the focus of present amorphous alloy area research.In addition, amorphous metal is used at medicine equipment and technical field of biological material, it is vital that the nothing of component poisons.
Summary of the invention
The objective of the invention is to develop have high glass forming ability, the thermostability height, plasticity is good and do not contain harmful element a kind of Cu-(Zr, Ti)-the Al Al-Cu-Zn block amorphous alloy.
The technical solution adopted for the present invention to solve the technical problems is as follows:
This Al-Cu-Zn block amorphous alloy comprises the amorphous phase of volume fraction 50-100%, and this is that the structural formula of alloy is Cu
45Zr
48-xAl
7Ti
x, wherein x is a Ti atoms of elements percentage ratio, 0.5≤x≤6.
Component Cu, the Zr of described non-crystaline amorphous metal, the material purity of Ti, Al are 96%～99.999%.
The beneficial effect that the present invention has is: provided the alloy with following characteristics: 1) size is big, and the maximum diameter of amorphous alloy rod is 10mm fully; 2) do not contain harmful element; 3) intensity height, hardness height; 3) plasticity is good, and plastix strain reaches 32.5%; 4) thermostability, solidity to corrosion are good.Therefore, this alloy has broad application prospects in fields such as machinery, medicine equipment and biomaterials.
Description of drawings
Fig. 1 be according to the Cu-of embodiment 1 preparation (Zr, Ti)-XRD figure of Al Al-Cu-Zn block amorphous alloy;
Fig. 2 be according to the Cu-of embodiment 1 preparation (Zr, Ti)-the DSC figure of Al Al-Cu-Zn block amorphous alloy.
Fig. 3 be according to the Cu-of embodiment 1 preparation (Zr, Ti)-stress-strain curve of Al Al-Cu-Zn block amorphous alloy.
Embodiment
Step 1: melting Cu in the vacuum melting furnace of argon shield
45Zr
48-xAl
7Ti
xThe alloy spindle, wherein x is a Ti atoms of elements percentage ratio, 0.5≤x≤6.At least melt back is four times, to guarantee the even of alloy pig subconstiuent.
Step 2: casting is blown in employing or suction casting method is prepared into the bulk amorphous alloys sample with the alloy spindle that step 1 obtains.
Step 3: characterize the gained structures of samples with the x ray diffraction method, obtain thermodynamical coordinate with dsc.With mechanics performance test machine, the mechanical property of specimen.
Embodiment 1:
This embodiment adopts suction casting method to prepare the Cu of diameter 6mm
45Zr
46Al
7Ti
2Bulk amorphous alloys (non-crystaline amorphous metal that size reaches millimeter magnitude is called as bulk amorphous alloys).
Step 1: with purity is that 99.95% Cu, purity are that 99.87% Zr, purity are that 99.5% Al and purity are that 99.98 Ti is by Cu
45Zr
46Al
7Ti
2Proportioning is arc melting in the argon atmospher of zirconium absorption, obtains the alloy spindle that mixes.
Step 2: melting on the water cooled copper mould of spindle in the smelting furnace of argon shield of step 1 acquisition.
Step 3: utilize pressure difference that step 2 is obtained the water cooled copper mould that alloy liquid injects internal diameter 6mm.Make bulk amorphous alloys.
Step 4: characterize this large block amorphous structure with the x ray diffraction method, Fig. 1 is the x x ray diffration pattern x of this sample.
Step 5: the thermodynamical coordinate that obtains this bulk sample with dsc.The DSC curve is shown in Fig. 2.
Step 6: the mechanical property that adopts testing machine for mechanical properties test gained material.
By Fig. 1 and Fig. 2 as can be known this embodiment obtained the bulk amorphous alloys of diameter 6mm.The performance of the bulk amorphous alloys that this embodiment obtains is as shown in table 1.
Table 1Cu
45Zr
46.5Al
7Ti
1.5The performance of bulk amorphous alloys.
| Composition (at.%) | Glass transformation temperature T g(K) | Crystallization temperature T x(K) | Surpass cold liquid zone Δ T x(K) | Compressed rupture strength σ (MPa) | Plastix strain (%) | Vickers' hardness Hv |
| Cu 45Zr 46Al 7Ti 2 | 715 | 747 | 30 | 1820 | 32.5 | 530 |
Embodiment 2:
This embodiment adopts suction casting method to prepare the Cu of diameter 10mm
45Zr
46.5Al
7Ti
1.5Bulk amorphous alloys (non-crystaline amorphous metal that size reaches millimeter magnitude is called as bulk amorphous alloys).
Step 1: with purity is that 99.95% Cu, purity are that 99.87% Zr, purity are that 99.5% Al and purity are that 99.98 Ti is by Cu
45Zr
46.5Al
7Ti
1.5Proportioning is arc melting in the argon atmospher of zirconium absorption, obtains the alloy spindle that mixes.
Step 2: melting on the water cooled copper mould of spindle in the smelting furnace of argon shield of step 1 acquisition.
Step 3: utilize pressure difference that step 2 is obtained the water cooled copper mould that alloy liquid injects internal diameter 10mm.Make bulk amorphous alloys.
Step 4: characterize this large block amorphous structure with the x ray diffraction method.
Step 5: the thermodynamical coordinate that obtains this bulk sample with dsc.
Embodiment 3:
This embodiment adopts suction casting method to prepare the Cu of diameter 10mm
45Zr
47.5Al
7Ti
0.5Bulk amorphous alloys (non-crystaline amorphous metal that size reaches millimeter magnitude is called as bulk amorphous alloys).
Step 1: with purity is that 99.95% Cu, purity are that 99.87% Zr, purity are that 99.5% Al and purity are that 99.98 Ti is by Cu
45Zr
47.5Al
7Ti
0.5Proportioning is arc melting in the argon atmospher of zirconium absorption, obtains the alloy spindle that mixes.
Step 2: melting on the water cooled copper mould of spindle in the smelting furnace of argon shield of step 1 acquisition.
Step 3: utilize pressure difference that step 2 is obtained the water cooled copper mould that alloy liquid injects internal diameter 10mm.Make bulk amorphous alloys.
Step 4: characterize this large block amorphous structure with the x ray diffraction method
Step 5: the thermodynamical coordinate that obtains this bulk sample with dsc.
Embodiment 4:
This embodiment adopts suction casting method to prepare the Cu of diameter 10mm
45Zr
42Al
7Ti
6Bulk amorphous alloys (non-crystaline amorphous metal that size reaches millimeter magnitude is called as bulk amorphous alloys).
Step 1: with purity is that 99.95% Cu, purity are that 99.87% Zr, purity are that 99.5% Al and purity are that 99.98 Ti is by Cu
45Zr
42Al
7Ti
6Proportioning is arc melting in the argon atmospher of zirconium absorption, obtains the alloy spindle that mixes.
Step 2: melting on the water cooled copper mould of spindle in the smelting furnace of argon shield of step 1 acquisition.
Step 3: utilize pressure difference that step 2 is obtained the water cooled copper mould that alloy liquid injects internal diameter 10mm.Make bulk amorphous alloys.
Claims (2)
- Centimetre-sized plasticity Cu-(Zr, Ti)-the Al Al-Cu-Zn block amorphous alloy, it is characterized in that: this Al-Cu-Zn block amorphous alloy comprises the amorphous phase of volume fraction 50-100%, this is that the structural formula of alloy is Cu 45Zr 48-xAl 7Ti x, wherein x is a Ti atoms of elements percentage ratio, 0.5≤x≤6.
- Cu-2. according to claim 1 (Zr, Ti)-the Al Al-Cu-Zn block amorphous alloy, it is characterized in that: component Cu, the Zr of described non-crystaline amorphous metal, the material purity of Ti, Al are 96%～99.999%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100670910A CN100429328C (en) | 2007-02-09 | 2007-02-09 | Centimeter grade plastic Cu-(Zr,Ti)-Al bulk amorphous alloy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100670910A CN100429328C (en) | 2007-02-09 | 2007-02-09 | Centimeter grade plastic Cu-(Zr,Ti)-Al bulk amorphous alloy |
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| Publication Number | Publication Date |
|---|---|
| CN101012535A true CN101012535A (en) | 2007-08-08 |
| CN100429328C CN100429328C (en) | 2008-10-29 |
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|---|---|---|---|
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101745395B (en) * | 2008-11-28 | 2012-08-22 | 中国石油化工股份有限公司 | Amorphous alloy, catalyst and method for preparing methyl alcohol, dimethyl ether and low-carbon olefin |
| CN102146550B (en) * | 2010-02-05 | 2013-06-05 | 中国科学院金属研究所 | Nickel-free zirconium alloy with amorphous structure easily formed by pouring melt copper mould |
| WO2014059769A1 (en) * | 2012-10-19 | 2014-04-24 | 华为技术有限公司 | Zirconium-based amorphous alloy |
| CN105779910A (en) * | 2014-12-16 | 2016-07-20 | 辽宁工业大学 | Copper, zirconium and aluminum based metal glass composite with large elastic deformability |
| CN111118414A (en) * | 2020-01-13 | 2020-05-08 | 江苏大学 | Method for preparing copper-based amorphous alloy from standard blister copper |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3479444B2 (en) * | 1997-12-25 | 2003-12-15 | 住友ゴム工業株式会社 | Zirconium-based amorphous alloy |
| JP3852809B2 (en) * | 1998-10-30 | 2006-12-06 | 独立行政法人科学技術振興機構 | High strength and toughness Zr amorphous alloy |
| US7368023B2 (en) * | 2004-10-12 | 2008-05-06 | Wisconisn Alumni Research Foundation | Zirconium-rich bulk metallic glass alloys |
| CN100494464C (en) * | 2006-03-17 | 2009-06-03 | 浙江理工大学 | Plasticized Zr-Cu Al-Ag massive amorphous alloy |
-
2007
- 2007-02-09 CN CNB2007100670910A patent/CN100429328C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101745395B (en) * | 2008-11-28 | 2012-08-22 | 中国石油化工股份有限公司 | Amorphous alloy, catalyst and method for preparing methyl alcohol, dimethyl ether and low-carbon olefin |
| CN102146550B (en) * | 2010-02-05 | 2013-06-05 | 中国科学院金属研究所 | Nickel-free zirconium alloy with amorphous structure easily formed by pouring melt copper mould |
| WO2014059769A1 (en) * | 2012-10-19 | 2014-04-24 | 华为技术有限公司 | Zirconium-based amorphous alloy |
| EP2746421A4 (en) * | 2012-10-19 | 2016-05-18 | Huawei Tech Co Ltd | Zirconium-based amorphous alloy |
| CN105779910A (en) * | 2014-12-16 | 2016-07-20 | 辽宁工业大学 | Copper, zirconium and aluminum based metal glass composite with large elastic deformability |
| CN111118414A (en) * | 2020-01-13 | 2020-05-08 | 江苏大学 | Method for preparing copper-based amorphous alloy from standard blister copper |
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| CN100429328C (en) | 2008-10-29 |
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Granted publication date: 20081029 Termination date: 20120209 |