CN106756132A - A kind of preparation method of Cu-Based bulk amorphous alloy - Google Patents
A kind of preparation method of Cu-Based bulk amorphous alloy Download PDFInfo
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- CN106756132A CN106756132A CN201611193482.2A CN201611193482A CN106756132A CN 106756132 A CN106756132 A CN 106756132A CN 201611193482 A CN201611193482 A CN 201611193482A CN 106756132 A CN106756132 A CN 106756132A
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- preparation
- bulk amorphous
- based bulk
- amorphous alloy
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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
- C22C45/00—Amorphous alloys
- C22C45/001—Amorphous alloys with Cu as the major constituent
Abstract
The invention discloses a kind of preparation method of Cu-Based bulk amorphous alloy, comprise the following steps：(1) according to following atomic ratio preparation raw material：Cu:Zr:Ti:Ni:Y=54:22:15:6:3；(2) under argon gas atmosphere protection, the raw material that step (1) preparation is obtained is well mixed in electric arc furnaces, in 180A/cm2~210A/cm2Current density under melting 60s, complete first time melting；(3) 4 meltings are carried out again under the conditions of with first time melting identical, mother alloy ingot is obtained；(4) by mother alloy ingot refuse, Cu-Based bulk amorphous alloy is obtained using copper mold casting method.It is an object of the invention to provide a kind of preparation method of Cu-Based bulk amorphous alloy, solve the problems, such as that complicated Cu-Based bulk amorphous alloy preparation technology flow, intensity and glass forming ability are not high enough.
Description
Technical field
The present invention relates to field of alloy material preparation, and in particular to a kind of preparation method of Cu-Based bulk amorphous alloy.
Background technology
Since the nineties, the research and development of bulk amorphous alloys cause broad interest and the attention of domestic and international Material Field,
Popular advanced subject as field of new, domestic and international material supply section scholar has carried out extensive research work, achieves very
More important achievement in research.Because bulk amorphous alloys have excellent mechanics, physics, chemical property, for example some bulks are non-
Peritectic alloy material has high intensity, hardness and decay resistance, and its intensity, can be used as high intensity up to more than 2000MPa
Structural material.Therefore, block non-crystalline alloy material is in Aeronautics and Astronautics, automobile, precision manufactureing, instrument and meter, telecommunications and meter
The fields such as calculation machine, biomedicine have a wide range of applications.
Cu base large amorphous alloys are the new amorphous systems developed in recent years, and this non-crystaline amorphous metal has larger glass
Forming ability and relatively low cost, its tensile break strength are more much higher than crystal, reachable 2000MPa~2400MPa, together
When with certain plasticity, compared with Zr bases, Pd base large amorphous alloys, its intensity is also at leading position, can be as super
High-strength structure material.Therefore, research and development preparation technology flow is simple, and with the Cu bases of high intensity glass forming ability high
Bulk amorphous alloys have great importance in engineering.
The content of the invention
It is an object of the invention to provide a kind of preparation method of Cu-Based bulk amorphous alloy, copper-based large block amorphous conjunction is solved
Golden preparation technology flow complexity, intensity and the not high enough problem of glass forming ability.
The present invention is achieved through the following technical solutions：
A kind of preparation method of Cu-Based bulk amorphous alloy, comprises the following steps：
(1) according to following atomic ratio preparation raw material：Cu:Zr:Ti:Ni:Y=54:22:15:6:3；
(2) under argon gas atmosphere protection, the raw material that step (1) preparation is obtained is well mixed in electric arc furnaces, in 180A/
cm2~210A/cm2Current density under melting 60s, complete first time melting；
(3) 4 meltings are carried out again under the conditions of with first time melting identical, mother alloy ingot is obtained；
(4) by mother alloy ingot refuse, Cu-Based bulk amorphous alloy is obtained using copper mold casting method.
The atomic radius of 5 kinds of elements is respectively：Copper 0.128nm, zirconium 0.160nm, titanium 0.147nm, nickel 0.124nm, yttrium
0.227nm, the difference in size ratio of other atom pairs is all higher than 12%, substantially meets Inoue except Cu-Ni and Ti-Ni atoms externally
Three Experience norms.The wherein atomic radius of yttrium is larger with the atomic radius gap of other elements, helps to prepare height
The alloy of glass forming ability.
Wherein, the purity of each element raw material is not less than 99.5% in step (1).
Wherein, current density described in step (2) is 200A/cm2。
Wherein, the cooling velocity of copper mold is 100K/s in step (4).
The present invention compared with prior art, has the following advantages and advantages：
A kind of preparation method of Cu-Based bulk amorphous alloy of the present invention, is matched somebody with somebody by simplifying preparation technology flow and optimized alloy
Than having prepared the Cu-Based bulk amorphous alloy of high intensity glass forming ability high.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is Cu of the present invention54Zr22Ti15Ni6Y3The plane of disruption topography scan electron microscope of glassy alloy rod.
Specific embodiment
To make the object, technical solutions and advantages of the present invention become more apparent, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
It is limitation of the invention.
Embodiment 1
A kind of preparation method of Cu-Based bulk amorphous alloy of the present invention, comprises the following steps：
(1) according to following atomic ratio preparation raw material：Cu:Zr:Ti:Ni:Y=54:22:15:6:3, wherein, each element raw material
Purity be not less than 99.5%；
(2) under argon gas atmosphere protection, the raw material that step (1) preparation is obtained is well mixed in electric arc furnaces, in 180A/
cm2Current density under melting 60s, complete first time melting；
(3) 4 meltings are carried out again under the conditions of with first time melting identical, mother alloy ingot is obtained；
(4) by mother alloy ingot refuse, using copper mold casting method, control cooling velocity for 100K/s, be obtained copper-based
Bulk amorphous alloys.
Using the glass transition temperature Tg and crystallization start temperature Tx of differential scanning analysis instrument detection non-crystaline amorphous metal rod.Survey
Tg=714.62K, Tx=751.07K are obtained, △ Tx=Tx-Tg=36.45K are calculated, comparing amorphous formation energy high is shown
Power, glass forming ability higher.
The compression experiment of bulk amorphous alloys, measure mechanical properties are carried out using universal testing machine, specimen size is
Diameter 2mm, length 4mm, strain rate 5.0 × 10-4/s.Measure Cu54Zr22Ti15Ni6Y3The intensity of non-crystaline amorphous metal is
1985MPa。
The hardness of bulk amorphous alloys is measured using micro Vickers, loaded load is 200g,
Cu54Zr22Ti15Ni6Y3The Vickers hardness of non-crystaline amorphous metal is 646.
Embodiment 2
A kind of preparation method of Cu-Based bulk amorphous alloy of the present invention, comprises the following steps：
(1) according to following atomic ratio preparation raw material：Cu:Zr:Ti:Ni:Y=54:22:15:6:3, wherein, each element raw material
Purity be not less than 99.5%；
(2) under argon gas atmosphere protection, the raw material that step (1) preparation is obtained is well mixed in electric arc furnaces, in 210A/
cm2Current density under melting 60s, complete first time melting；
(3) 4 meltings are carried out again under the conditions of with first time melting identical, mother alloy ingot is obtained；
(4) by mother alloy ingot refuse, using copper mold casting method, control cooling velocity for 100K/s, be obtained copper-based
Bulk amorphous alloys.
Using the glass transition temperature Tg and crystallization start temperature Tx of differential scanning analysis instrument detection non-crystaline amorphous metal rod.Survey
Tg=682.65K, Tx=721.51K are obtained, △ Tx=Tx-Tg=38.86K are calculated, comparing amorphous formation energy high is shown
Power, glass forming ability higher.
The compression experiment of bulk amorphous alloys, measure mechanical properties are carried out using universal testing machine, specimen size is
Diameter 2mm, length 4mm, strain rate 5.0 × 10-4/s.Measure Cu54Zr22Ti15Ni6Y3The intensity of non-crystaline amorphous metal is
2050MPa。
The hardness of bulk amorphous alloys is measured using micro Vickers, loaded load is 200g,
Cu54Zr22Ti15Ni6Y3The Vickers hardness of non-crystaline amorphous metal is 670.
Embodiment 3
A kind of preparation method of Cu-Based bulk amorphous alloy of the present invention, comprises the following steps：
(1) according to following atomic ratio preparation raw material：Cu:Zr:Ti:Ni:Y=54:22:15:6:3, wherein, each element raw material
Purity be not less than 99.5%；
(2) under argon gas atmosphere protection, the raw material that step (1) preparation is obtained is well mixed in electric arc furnaces, in 200A/
cm2Current density under melting 60s, complete first time melting；
(3) 4 meltings are carried out again under the conditions of with first time melting identical, mother alloy ingot is obtained；
(4) by mother alloy ingot refuse, using copper mold casting method, control cooling velocity for 100K/s, be obtained copper-based
Bulk amorphous alloys.
Using the glass transition temperature Tg and crystallization start temperature Tx of differential scanning analysis instrument detection non-crystaline amorphous metal rod.Survey
Tg=692.88K, Tx=730.10K are obtained, △ Tx=Tx-Tg=37.22K are calculated, comparing amorphous formation energy high is shown
Power, glass forming ability higher.
The compression experiment of bulk amorphous alloys, measure mechanical properties are carried out using universal testing machine, specimen size is
Diameter 2mm, length 4mm, strain rate 5.0 × 10-4/s.Measure Cu54Zr22Ti15Ni6Y3The intensity of non-crystaline amorphous metal is
2155MPa。
The hardness of bulk amorphous alloys is measured using micro Vickers, loaded load is 200g,
Cu54Zr22Ti15Ni6Y3The Vickers hardness of non-crystaline amorphous metal is 668.
As shown in figure 1, using scanning electron microscopic observation fracture surface of sample, plane of disruption train of thought shape style group mainly by smoothly extending
Into plane of disruption shape characteristic is same as the fracture pattern of other bulk amorphous alloys, and this display Cu base large amorphous alloy has
Fracture strength and certain plasticity very high.
Above-described specific embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that and the foregoing is only specific embodiment of the invention, be not intended to limit the present invention
Protection domain, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, done etc. all should include
Within protection scope of the present invention.
Claims (4)
1. a kind of preparation method of Cu-Based bulk amorphous alloy, it is characterised in that comprise the following steps：
(1) according to following atomic ratio preparation raw material：Cu:Zr:Ti:Ni:Y=54:22:15:6:3；
(2) under argon gas atmosphere protection, the raw material that step (1) preparation is obtained is well mixed in electric arc furnaces, in 180A/cm2~
210A/cm2Current density under melting 60s, complete first time melting；
(3) 4 meltings are carried out again under the conditions of with first time melting identical, mother alloy ingot is obtained；
(4) by mother alloy ingot refuse, Cu-Based bulk amorphous alloy is obtained using copper mold casting method.
2. the preparation method of a kind of Cu-Based bulk amorphous alloy according to claim 1, it is characterised in that in step (1)
The purity of each element raw material is not less than 99.5%.
3. the preparation method of a kind of Cu-Based bulk amorphous alloy according to claim 2, it is characterised in that in step (2)
The current density is 200A/cm2。
4. the preparation method of a kind of Cu-Based bulk amorphous alloy according to claim 3, it is characterised in that in step (4)
The cooling velocity of copper mold is 100K/s.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107988567A (en) * | 2017-12-19 | 2018-05-04 | 中铁建电气化局集团康远新材料有限公司 | A kind of long length cu-based amorphous alloys contact line production technology and equipments used for high-speed railway |
| CN108411335A (en) * | 2018-03-07 | 2018-08-17 | 沈阳大学 | A kind of method of electrochemically reducing carbon dioxide |
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|---|---|---|---|---|
| CN1594639A (en) * | 2004-07-02 | 2005-03-16 | 大连理工大学 | Cu base Cu-Zr-Ti group block non-crystal alloy |
| CN1958831A (en) * | 2005-11-01 | 2007-05-09 | 中国科学院物理研究所 | Copper-zirconium based amorphous alloy, and preparation method |
| CN101195160A (en) * | 2006-12-07 | 2008-06-11 | 比亚迪股份有限公司 | Amorphous powdered alloy and method for producing the same |
| CN105132835A (en) * | 2015-09-14 | 2015-12-09 | 西北工业大学 | (Ti-Cu-Ni-Zr)-Sn amorphous composite and preparation method thereof |
-
2016
- 2016-12-21 CN CN201611193482.2A patent/CN106756132A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1594639A (en) * | 2004-07-02 | 2005-03-16 | 大连理工大学 | Cu base Cu-Zr-Ti group block non-crystal alloy |
| CN1958831A (en) * | 2005-11-01 | 2007-05-09 | 中国科学院物理研究所 | Copper-zirconium based amorphous alloy, and preparation method |
| CN101195160A (en) * | 2006-12-07 | 2008-06-11 | 比亚迪股份有限公司 | Amorphous powdered alloy and method for producing the same |
| CN105132835A (en) * | 2015-09-14 | 2015-12-09 | 西北工业大学 | (Ti-Cu-Ni-Zr)-Sn amorphous composite and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107988567A (en) * | 2017-12-19 | 2018-05-04 | 中铁建电气化局集团康远新材料有限公司 | A kind of long length cu-based amorphous alloys contact line production technology and equipments used for high-speed railway |
| CN107988567B (en) * | 2017-12-19 | 2023-01-10 | 中铁建电气化局集团康远新材料有限公司 | Production process and equipment of contact wire for large-length copper-based amorphous alloy high-speed railway |
| CN108411335A (en) * | 2018-03-07 | 2018-08-17 | 沈阳大学 | A kind of method of electrochemically reducing carbon dioxide |
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