CN109207752A - A kind of AuGe Modeling on Solidificated Structure of Eutectic Alloys regulation method and the alloy material - Google Patents
A kind of AuGe Modeling on Solidificated Structure of Eutectic Alloys regulation method and the alloy material Download PDFInfo
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- CN109207752A CN109207752A CN201811126884.XA CN201811126884A CN109207752A CN 109207752 A CN109207752 A CN 109207752A CN 201811126884 A CN201811126884 A CN 201811126884A CN 109207752 A CN109207752 A CN 109207752A
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/20—Measures not previously mentioned for influencing the grain structure or texture; Selection of compositions therefor
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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
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C5/00—Alloys based on noble metals
- C22C5/02—Alloys based on gold
Abstract
The invention discloses a kind of AuGe Modeling on Solidificated Structure of Eutectic Alloys regulation method and the alloy materials, and this method comprises the following steps: step (1), the preparation of AuGe alloy；Step (2), solidified structure regulation.The present invention utilizes cladding melting purification and cyclical superheating technology, by regulation covering type, covering viscosity, the alloy melt degree of superheat and cross the parameters such as times of thermal cycle, changeable AuGe eutectic alloy solidification rate and degree of supercooling, realize the regulation of AuGe Modeling on Solidificated Structure of Eutectic Alloys, the invention is simple and feasible, provides new way to improve AuGe eutectic alloy machine-shaping property.
Description
Technical field
The present invention relates to a kind of Solidification Structures to regulate and control method, especially AuGe Modeling on Solidificated Structure of Eutectic Alloys regulation side
Method further relates to the alloy material obtained by the regulation method, belongs to field of new materials.
Background technique
AuGe eutectic alloy (mass ratio Au 88wt.%, Ge 12wt.%) is a kind of low melting point eutectic material, density 17.5
g/cm3, eutectic temperature is 356 DEG C.It can be used as semiconductor, the ohmic contact material in microwave device.It and N-type GaAs can shapes
It at preferable Ohmic contact, therefore is considered as the more satisfactory sputtering of one kind, evaporation source.AuGe eutectic alloy is also extensive simultaneously
Ground is used as the low melting point eutectic solder of the elements such as transistor, integrated circuit, has important utilization in the fields such as chip package and welding.
Although AuGe eutectic alloy has many purposes, since the tissue of AuGe eutectic alloy at room temperature is by the αsolidsolution of rich Au
The eutectic formed with pure Ge, and the crystal lattice of Ge is diamond-type, so the alloy is very crisp, poor processability, very
Hardly possible processing is become a useful person.AuGe eutectic alloy processing forming difference, which has become, restricts the widely applied critical issue of the eutectic solder.
For the unmanageable problem of AuGe eutectic brittle, in terms of research is concentrated mainly on material processing technique both at home and abroad, example
It such as anneals at a temperature of 200 DEG C, the plasticity of AuGe eutectic alloy can be improved.The as-cast group of AuGe eutectic alloy is woven with richness
The α solid solution phase of Au and pure Ge phase composition, two-phase eutectic structure is coarse, is unevenly distributed, in irregular pattern.AuGe eutectic alloy
Brittleness and its institutional framework are closely related, regulate and control the solidified structure of AuGe eutectic alloy, AuGe eutectic molding processibility can be improved
Energy.It is urgently to be resolved how to realize that the solidified structure regulation of AuGe alloy has become improvement AuGe solder machine-shaping property
One key technical problem.
Summary of the invention
In order to solve the above technical problems, the invention proposes a kind of AuGe Modeling on Solidificated Structure of Eutectic Alloys to regulate and control method, will melt
Body purifies and crosses thermal cycle and combines, and passes through and regulates and controls covering type, covering viscosity, the alloy melt degree of superheat, cycle-index
Deng acquisition different-alloy melt solidification degree of supercooling, to regulate and control AuGe Modeling on Solidificated Structure of Eutectic Alloys.The technical solution adopted by the present invention
It is specific as follows:
A kind of AuGe Modeling on Solidificated Structure of Eutectic Alloys regulation method, includes the following steps:
Step (1), the preparation of AuGe alloy
By purity be 99.99% or more gold plaque and purity be 99.99% or more germanium block according to mass percent 88: 12 ratio
It gets ready, the above-mentioned raw material prepared is subjected to vacuum melting and obtains master alloy；
Step (2), solidified structure regulation
Melted master alloy is cleaned by ultrasonic, drying obtains alloy pig, covering is overlying on alloy ingot surface, is then carried out
Heating, heating rate are 3~5 K/s, melt alloy pig, and temperature is then increased to alloy melting point or more again, keep the temperature one section
Time then stops heating, to alloy melt cooling and solidification；Above-mentioned heating is repeated, heats up, keep the temperature again, temperature-fall period 1~10
It is secondary to get to solidified structure AuGe eutectic alloy.
Further, in step (2), temperature is increased to 40~200 K of alloy melting point or more.
Further, in step (2), soaking time is 2~8 min.
Further, in step (2), the covering is the mixed of silica gel, dimethicone or silica gel and dimethicone
Close object.
Further, the viscosity of dimethicone is the cs of 400 cs~10000.
Further, the mixed proportion of silica gel and dimethicone is 1%~99%:1%~99%.
Further, in step (1), the vacuum melting is that the raw material that will be prepared is put into black-fead crucible, then is set
In vacuum induction thiol, it is evacuated to 3.6 × 10-4 Pa, then the heating rate molten alloy of 3~5 K/s, alloy weight
3 times are melted to get the uniform master alloy of ingredient is arrived.
Further, the degree of supercooling range of the regulation is the K of 5 K~70.
The invention further relates to the AuGe eutectic alloy materials with tiny latticed solidified structure that above-mentioned regulation method obtains
Material.
Compared with prior art, beneficial effects of the present invention are as follows:
(1), the present invention by regulation covering type, covering viscosity, is closed using cladding melting purification and cyclical superheating technology
Golden melt superheat degree and the excessively parameters such as times of thermal cycle, can be changed AuGe eutectic alloy solidification rate and degree of supercooling, realize AuGe
The regulation of Modeling on Solidificated Structure of Eutectic Alloys, the invention is simple and feasible, provides newly to improve AuGe eutectic alloy machine-shaping property
Approach.
(2), by after final AuGe eutectic alloy sample slice, grinding and polishing and corrosion, optical microscopy and scanning electricity are placed in
The Solidification Microstructure Morphology of AuGe eutectic alloy can be observed under mirror.
(3), the present invention regulates and controls within the scope of the K degree of supercooling of 5 K~70, it can be achieved that AuGe Modeling on Solidificated Structure of Eutectic Alloys is by ruler
Very little biggish irregular eutectic structure is gradually transitions the tiny latticed eutectic structure of size, can be obtained when degree of supercooling is larger thin
Small rule mesh trellis eutectic structure, the present invention by regulation process of setting in degree of supercooling, realize coarse eutectic structure by
Gradual transition can be obviously improved the moulding processability of AuGe eutectic alloy to tiny latticed regular eutectic tissue, solve well
Determined overcome as-cast AuGe eutectic alloy two-phase eutectic structure is coarse, be unevenly distributed, in caused by irregular pattern at
The problem of type poor processability.
Detailed description of the invention
Fig. 1 (a)~(d) be respectively degree of supercooling be 10 K, 20 K, 50 K and when 60 K AuGe eutectic alloy solidification group
It knits；
Fig. 2 be degree of supercooling be 10 K, 20 K, 50 K and AuGe eutectic alloy freezing curve figure when 60 K；
The graph of relation of Fig. 3 AuGe eutectic alloy hardness number and solidification degree of supercooling.
Specific embodiment
In order to which objects and advantages of the present invention are more clearly understood, the present invention is made furtherly with reference to embodiments
It is bright.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.It is based on
Embodiment in the present invention, those of ordinary skill in the art's every other reality obtained under the premise of not making creative work
Example is applied, the scope of protection of the invention is belonged to.Application principle of the invention is described with reference to the accompanying drawing.
Embodiment 1
Experimental facilities:
High-frequency induction smelting furnace；
Infrared radiation thermometer (model Impack IGA320/23).
The AuGe Modeling on Solidificated Structure of Eutectic Alloys of the present embodiment regulates and controls method, includes the following steps:
Step (1), the preparation of AuGe alloy
By purity be 99.99% gold plaque (Au) and purity be 99.99% germanium block (Ge) according to mass percent 88: 12 ratio
It weighs, the mixture of about 2 g of configuration or so.
The mixture prepared is put into black-fead crucible, then places it in vacuum induction thiol, is evacuated to 3.6
×10-4Pa opens power supply and starts molten alloy, and heating rate is 3 K/s, and alloy remelting 3 times, it is equal to obtain ingredient for molten alloy
Even master alloy.
Step (2), solidified structure regulation, obtain rule mesh trellis eutectic structure.
Acetone will be injected after the effective alcohol washes of quartz, then be placed in ultrasonator cleaning 5min, drying is stand-by.Again will
Melted master alloy is placed in ultrasonator cleaning 5min, and it is stand-by to obtain alloy pig for drying.
Alloy pig after drying is put into cleaned quartz ampoule, the dimethicone that concentration is 800 cs is coated on
Alloy ingot surface.Quartz ampoule is placed in heating in the middle part of induction coil again, heating rate is 3~5 K/s, makes alloy melting.Alloy
Temperature is increased to 40 K of alloy melting point or more again after fusing, keeps the temperature 5 min.Then stop heating and furnace cooling solidification.Again
Repeat above-mentioned heating, heat up, keep the temperature again, temperature-fall period 2 times is to get to the AuGe eutectic alloy with solidified structure.Cladding is followed
Ring process is monitored in real time and is recorded using infrared radiation thermometer.
After AuGe eutectic alloy sample slice, grinding and polishing and the corrosion after solidification, it is placed in Optical microscope and SEM
Under the Solidification Microstructure Morphology of AuGe eutectic alloy can be observed, wherein corrosive liquid proportion is that concentrated hydrochloric acid is than the ratio of concentrated nitric acid
1/4, etching time is 3 seconds or so.The solidified structure degree of supercooling is 10 K, as shown in attached drawing 1 (a), it can be seen from the figure that solidifying
Gu tissue is larger-size regular eutectic tissue.The AuGe eutectic alloy freezing curve that Fig. 2 (a) is degree of supercooling when being 10 K.
Embodiment 2
The AuGe Modeling on Solidificated Structure of Eutectic Alloys of the present embodiment regulates and controls method, includes the following steps:
Step (1), the preparation of AuGe alloy
By purity be 99.99% gold plaque (Au) and purity be 99.99% germanium block (Ge) according to mass percent 88: 12 ratio
It weighs, the mixture of about 2 g of configuration or so.
The mixture prepared is put into black-fead crucible, then places it in vacuum induction thiol, is evacuated to 3.6
×10-4Pa opens power supply and starts molten alloy, and heating rate is 3~5 K/s, and molten alloy alloy remelting 3 times, is obtained into
Divide uniform master alloy.
Step (2), solidified structure regulation, obtain rule mesh trellis eutectic structure.
Acetone will be injected after the effective alcohol washes of quartz, then be placed in ultrasonator 5 min of cleaning, drying is stand-by.Again
Melted master alloy is placed in ultrasonator 5 min of cleaning, it is stand-by to obtain alloy pig for drying.
Alloy pig after drying is put into cleaned quartz ampoule, by concentration be 1000 cs gel coated in alloy
Ingot surface.Quartz ampoule is placed in heating in the middle part of induction coil again, heating rate is 5 K/s, makes alloy melting.After alloy melting again
Temperature is increased to 100 K or more of alloy melting point, keeps the temperature 4 min.Then stop heating and furnace cooling solidification.It repeats above-mentioned
Heating, heat up, keep the temperature again, temperature-fall period 2 times is to get to the AuGe eutectic alloy with solidified structure.Cladding cyclic process is adopted
It is monitored in real time and is recorded with infrared radiation thermometer.
After AuGe eutectic alloy sample slice, grinding and polishing and the corrosion after solidification, it is placed in Optical microscope and SEM
Under the Solidification Microstructure Morphology of AuGe eutectic alloy can be observed, wherein corrosive liquid proportion is that concentrated hydrochloric acid is than the ratio of concentrated nitric acid
1/4, etching time is 3 seconds or so.The solidified structure degree of supercooling is 20 K, as shown in attached drawing 1 (b).Fig. 2 (b) is for degree of supercooling
AuGe eutectic alloy freezing curve when 20 K.
Embodiment 3
The AuGe Modeling on Solidificated Structure of Eutectic Alloys of the present embodiment regulates and controls method, includes the following steps:
Step (1), the preparation of AuGe alloy
By purity be 99.99% gold plaque (Au) and purity be 99.99% germanium block (Ge) according to mass percent 88: 12 ratio
It weighs, the mixture of about 2 g of configuration or so.
The mixture prepared is put into black-fead crucible, then places it in vacuum induction thiol, is evacuated to 3.6
×10-4Pa opens power supply and starts molten alloy, heating rate 4K/s, and alloy remelting 3 times, it is equal to obtain ingredient for molten alloy
Even master alloy.
Step (2), solidified structure regulation, obtain rule mesh trellis eutectic structure.
Acetone will be injected after the effective alcohol washes of quartz, then be placed in ultrasonator 5 min of cleaning, drying is stand-by.Again
Melted master alloy is placed in ultrasonator 5 min of cleaning, it is stand-by to obtain alloy pig for drying.
Alloy pig after drying is put into cleaned quartz ampoule, the dimethicone that concentration is 2000 cs is coated
In alloy ingot surface.Quartz ampoule is placed in heating in the middle part of induction coil again, heating rate is 3~5 K/s, makes alloy melting.It closes
Temperature is increased to 40 K of alloy melting point or more again after gold fusing, keeps the temperature 5 min.Then stop heating and furnace cooling solidification.
Repeat above-mentioned heating, heat up, keep the temperature again, temperature-fall period 2 times is to get to the AuGe eutectic alloy with solidified structure.Cladding
Cyclic process is monitored in real time and is recorded using infrared radiation thermometer.
After AuGe eutectic alloy sample slice, grinding and polishing and the corrosion after solidification, it is placed in Optical microscope and SEM
Under the Solidification Microstructure Morphology of AuGe eutectic alloy can be observed, wherein corrosive liquid proportion is that concentrated hydrochloric acid is than the ratio of concentrated nitric acid
1/4, etching time is 3 seconds or so.The solidified structure degree of supercooling is 50 K, as shown in Fig. 1 (c).Fig. 2 (c) is that degree of supercooling is 50
AuGe eutectic alloy freezing curve when K.
Embodiment 4
The AuGe Modeling on Solidificated Structure of Eutectic Alloys of the present embodiment regulates and controls method, includes the following steps:
Step (1), the preparation of AuGe alloy
By purity be 99.99% gold plaque (Au) and purity be 99.99% germanium block (Ge) according to mass percent 88: 12 ratio
It weighs, the mixture of about 2 g of configuration or so.
The mixture prepared is put into black-fead crucible, then places it in vacuum induction thiol, is evacuated to 3.6
×10-4Pa opens power supply and starts molten alloy, and heating rate is 3 K/s, and alloy remelting 3 times, it is equal to obtain ingredient for molten alloy
Even master alloy.
Step (2), solidified structure regulation, obtain rule mesh trellis eutectic structure.
Acetone will be injected after the effective alcohol washes of quartz, then be placed in ultrasonator 5 min of cleaning, drying is stand-by.Again
Melted master alloy is placed in ultrasonator 5 min of cleaning, it is stand-by to obtain alloy pig for drying.
Alloy pig after drying is put into cleaned quartz ampoule, the dimethicone that concentration is 2000 cs is coated
In alloy ingot surface.Quartz ampoule is placed in heating in the middle part of induction coil again, heating rate is 3~5 K/s, makes alloy melting.It closes
Temperature is increased to 120 K of alloy melting point or more again after gold fusing, keeps the temperature 3 min.Then stop heating and furnace cooling solidification.
Repeat above-mentioned heating, heat up, keep the temperature again, temperature-fall period 2 times is to get to the AuGe eutectic alloy with solidified structure.Cladding
Cyclic process is monitored in real time and is recorded using infrared radiation thermometer.
After AuGe eutectic alloy sample slice, grinding and polishing and the corrosion after solidification, it is placed in Optical microscope and SEM
Under the Solidification Microstructure Morphology of AuGe eutectic alloy can be observed, wherein corrosive liquid proportion is that concentrated hydrochloric acid is than the ratio of concentrated nitric acid
1/4, etching time is 3 seconds or so.The solidified structure degree of supercooling is 60 K, as shown in Fig. 1 (d), as can be seen from Figure, solidification
Tissue is the tiny latticed eutectic structure of size.The AuGe eutectic alloy freezing curve that Fig. 2 (d) is degree of supercooling when being 60 K.
The AuGe eutectic alloy hardness number of embodiment 1-4 and the graph of relation of solidification degree of supercooling, as shown in figure 3, AuGe
Alloy rigidity first increases with the increase of solidification degree of supercooling and reduces afterwards.By the degree of supercooling in regulation process of setting, realize coarse
Eutectic structure is gradually transitions tiny latticed regular eutectic tissue, can be obviously improved the molding processibility of AuGe eutectic alloy
Can, very good solution overcomes that as-cast AuGe eutectic alloy two-phase eutectic structure is coarse, is unevenly distributed, in irregular shape
The problem of the difference of moulding processability caused by looks.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, it can also make several improvements and retouch, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of AuGe Modeling on Solidificated Structure of Eutectic Alloys regulates and controls method, characterized by the following steps:
Step (1), the preparation of AuGe alloy
By purity be 99.99% or more gold plaque and purity be 99.99% or more germanium block according to mass percent 88: 12 ratio
It gets ready, the above-mentioned raw material prepared is subjected to vacuum melting and obtains master alloy；
Step (2), solidified structure regulation
Melted master alloy is cleaned by ultrasonic, drying obtains alloy pig, covering is overlying on alloy ingot surface, is then carried out
Heating, heating rate are 3~5 K/s, melt alloy pig, and temperature is then increased to alloy melting point or more again, keep the temperature one section
Time then stops heating, to alloy melt cooling and solidification；Repeat above-mentioned heating, heat up, keep the temperature and temperature-fall period 1 again~
10 times to get to solidified structure AuGe eutectic alloy.
2. AuGe Modeling on Solidificated Structure of Eutectic Alloys according to claim 1 regulates and controls method, it is characterised in that:, will in step (2)
Temperature is increased to 40~200 K of alloy melting point or more.
3. AuGe Modeling on Solidificated Structure of Eutectic Alloys according to claim 1 regulates and controls method, it is characterised in that: in step (2), protect
The warm time is 2~8 min.
4. AuGe Modeling on Solidificated Structure of Eutectic Alloys according to claim 1 regulates and controls method, it is characterised in that: in step (2), institute
State the mixture that covering is silica gel, dimethicone or silica gel and dimethicone.
5. AuGe Modeling on Solidificated Structure of Eutectic Alloys according to claim 4 regulates and controls method, it is characterised in that: dimethicone
Viscosity is the cs of 400 cs~10000.
6. AuGe Modeling on Solidificated Structure of Eutectic Alloys according to claim 4 regulates and controls method, it is characterised in that: silica gel and dimethyl
The mixed proportion of silicone oil is 1%~99%:1%~99%.
7. AuGe Modeling on Solidificated Structure of Eutectic Alloys according to claim 1 regulates and controls method, it is characterised in that: in step (1), institute
Stating vacuum melting is that the raw material that will be prepared is put into black-fead crucible, then places it in vacuum induction thiol, is evacuated to 3.6
×10-4 Pa, the then heating rate molten alloy of 3~5 K/s, alloy remelting 3 times is to get arriving the uniform master alloy of ingredient.
8. AuGe Modeling on Solidificated Structure of Eutectic Alloys according to claim 1 regulates and controls method, it is characterised in that: the mistake of the regulation
Cold degree range is the K of 5 K~70.
9. the AuGe eutectic alloy with tiny latticed solidified structure that regulation method described in one of claim 1-7 obtains
Material.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113373388A (en) * | 2021-04-29 | 2021-09-10 | 宝鸡文理学院 | Method for improving plasticity and toughness of boron-containing eutectic alloy by utilizing double-structure |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1478498A (en) * | 1975-09-12 | 1977-06-29 | Post Office | Joining metal surfaces |
| JPH05261495A (en) * | 1992-03-19 | 1993-10-12 | Nippon Steel Corp | Peeling method for rapidly cooled and solidified foil in single roll method |
| CN1587426A (en) * | 2004-07-23 | 2005-03-02 | 滕先弟 | Process for preparing gold-germanium, gold-germanium-antimony alloy material |
| CN101570833A (en) * | 2009-04-08 | 2009-11-04 | 西北工业大学 | Super-cooling nickel base high-temperature alloy purifying agent and preparation method thereof |
| CN102083582A (en) * | 2008-07-24 | 2011-06-01 | 田中贵金属工业株式会社 | Au-Ga-In brazing filler metal |
| CN104593707A (en) * | 2015-01-07 | 2015-05-06 | 西北工业大学 | Method for adjusting and controlling AlCoCrFeNi high-entropy alloy structure |
| CN105132873A (en) * | 2015-09-08 | 2015-12-09 | 有研亿金新材料有限公司 | Au-Sn alloy sputtering target material and preparation method thereof |
| CN107151748A (en) * | 2016-03-02 | 2017-09-12 | 广州先艺电子科技有限公司 | A kind of method of smelting of gold-germanium alloy solder |
-
2018
- 2018-09-26 CN CN201811126884.XA patent/CN109207752A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1478498A (en) * | 1975-09-12 | 1977-06-29 | Post Office | Joining metal surfaces |
| JPH05261495A (en) * | 1992-03-19 | 1993-10-12 | Nippon Steel Corp | Peeling method for rapidly cooled and solidified foil in single roll method |
| CN1587426A (en) * | 2004-07-23 | 2005-03-02 | 滕先弟 | Process for preparing gold-germanium, gold-germanium-antimony alloy material |
| CN102083582A (en) * | 2008-07-24 | 2011-06-01 | 田中贵金属工业株式会社 | Au-Ga-In brazing filler metal |
| CN101570833A (en) * | 2009-04-08 | 2009-11-04 | 西北工业大学 | Super-cooling nickel base high-temperature alloy purifying agent and preparation method thereof |
| CN104593707A (en) * | 2015-01-07 | 2015-05-06 | 西北工业大学 | Method for adjusting and controlling AlCoCrFeNi high-entropy alloy structure |
| CN105132873A (en) * | 2015-09-08 | 2015-12-09 | 有研亿金新材料有限公司 | Au-Sn alloy sputtering target material and preparation method thereof |
| CN107151748A (en) * | 2016-03-02 | 2017-09-12 | 广州先艺电子科技有限公司 | A kind of method of smelting of gold-germanium alloy solder |
Non-Patent Citations (1)
| Title |
|---|
| 杨开今: "包覆循环过热法金锡共晶合金深过冷凝固工艺及组织研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113373388A (en) * | 2021-04-29 | 2021-09-10 | 宝鸡文理学院 | Method for improving plasticity and toughness of boron-containing eutectic alloy by utilizing double-structure |
| CN113373388B (en) * | 2021-04-29 | 2022-08-05 | 宝鸡文理学院 | Method for improving plasticity and toughness of boron-containing eutectic alloy by utilizing double-structure |
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