CN108193085A - A kind of high conductivity zinc-containing alloy and preparation method thereof - Google Patents
A kind of high conductivity zinc-containing alloy and preparation method thereof Download PDFInfo
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- CN108193085A CN108193085A CN201810151339.XA CN201810151339A CN108193085A CN 108193085 A CN108193085 A CN 108193085A CN 201810151339 A CN201810151339 A CN 201810151339A CN 108193085 A CN108193085 A CN 108193085A
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- zinc
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- containing alloy
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C18/00—Alloys based on zinc
- C22C18/02—Alloys based on zinc with copper as the next major constituent
-
- 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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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C18/00—Alloys based on zinc
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C18/00—Alloys based on zinc
- C22C18/04—Alloys based on zinc with aluminium as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/165—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon of zinc or cadmium or alloys based thereon
Abstract
The present invention relates to a kind of high conductivity zinc-containing alloys and preparation method thereof, form kirsite system by Zn, Cu, Al, Ti, each component mass percent is：The Ti of Al, 0.2wt% of Cu, 1.0wt% of 1.0wt%~5.0wt%~5.0wt%~1.0wt%, surplus are Zn and inevitable impurity.Heat treatment process is：Solid solubility temperature is 300 ~ 380 DEG C, soaking time is 3 ~ 24 hours；Aging temp is 120 DEG C ~ 200 DEG C, and aging time is 3 ~ 24 hours.The conductivity of zinc-containing alloy prepared by the present invention reaches 28.0 ~ 30.5%IACS, has many advantages, such as that conductivity is high, at low cost, processability is good.
Description
Technical field
The present invention relates to a kind of zinc-containing alloys, and in particular to be a kind of zinc-containing alloy applied to conductive parts.
Background technology
China's " zinc-rich lacks copper ", internal sources copper 70% comes from import, and import volume is being continuously increased, and copper resource supplies
It is increasingly apparent to bottleneck.China's zinc resource advantage is played, high-performance zinc alloy is developed, pushes its industrialization and scale application,
It is realized in wider field " with zinc for copper ", can further reduce internal copper resource requirement and supply contradiction.
The smelting temperature of kirsite is generally at 500 DEG C or so, and the smelting temperature of copper alloy is at 1000 DEG C or more, kirsite
Smelting temperature be far below copper alloy, melting cost compared to it is low mostly.Compared to copper alloy, kirsite abundant raw materials, price is low,
And the density of alloy is relatively low, and machining property is good.Therefore the novel zinc-containing alloy with excellent conductive performance is developed, taken
Copper alloy of the generation part as conductive material, has broad application prospects.
Invention content
To solve the above problems, the present invention provides a kind of high conductivity zinc-containing alloy and preparation method thereof.
The technical solution adopted in the present invention is as follows：
A kind of high conductivity zinc-containing alloy, composition and mass fraction are：Cu, 1.0wt% of 1.0wt%~5.0wt%~5.0wt%
The Ti of Al, 0.2wt%~1.0wt%, surplus be Zn and inevitable impurity.
Preferably, the zinc-containing alloy includes：The Al of Cu, 1.6wt% of 1.5wt%~3.0wt%~3.5wt%,
The Ti of 0.2wt%~0.8wt%, surplus Zn.
Preferably, the zinc-containing alloy includes：The Ti of the Al of Cu, 3.25wt% of 1.65wt%, 0.4wt%, surplus are
Zn。
The invention also discloses the preparation methods of the zinc-containing alloy, and its step are as follows：
（1）Alloy melting：
Zn is added in electrical crucible first, is warming up to 420 ~ 450 DEG C of change zinc, until Zn completions add in clearly Cu afterwards, heating
To 510 ~ 540 DEG C, and 30 ~ 40 minutes are kept the temperature, then stirred 2 ~ 5 minutes so that Zn and Cu can be relatively sufficiently mixed, and then use bell jar
Al is pressed into molten metal liquid, is carried out at the same time stirring 2 ~ 4 minutes, after Al completions are clear, 580 ~ 600 DEG C is warming up to, uses
Bell jar is pressed into Ti, keeps the temperature 15-20 minutes, after Ti melts completely, stirs 2 ~ 4 minutes, then stands 5 ~ 8 minutes, pull out slag, go out
Stove is poured into the metal mold that mould temperature is 180 ~ 200 DEG C, prepares Zn-Al-Cu-Ti cost zinc alloys.
Above-mentioned alloying element purity reaches 99.9%.
（2）Solution treatment：
By step（1）The Zn-Al-Cu-Ti cost zinc alloys of acquisition keep the temperature 3 ~ 24 hours at 300 ~ 380 DEG C, water cooling.
Preferentially, 350 DEG C of the temperature of solution treatment, water cooling；
Preferentially, solution treatment soaking time is 9 hours.
（3）Ageing treatment：
By step（2）The Zn-Al-Cu-Ti kirsites of acquisition keep the temperature 3 ~ 24 hours at 120 ~ 200 DEG C, air-cooled.
Preferentially, through ageing treatment twice, 180 DEG C of the temperature of level-one ageing treatment, soaking time is 6 hours, air-cooled；Two
140 DEG C of the temperature of grade ageing treatment, soaking time is 12 hours, air-cooled.
Compared with the prior art, beneficial effects of the present invention are：
（1）The conductivity of Zn-Al-Cu-Ti kirsites that the present invention obtains is 28.0 ~ 30.5 ISCA%, tensile strength for 140 ~
150Mpa, 120 ~ 130HB of Brinell hardness；
（2）The present invention another is clearly advantageous that, using the copper that price is low, low-melting zinc fictitious hosts are high, fusing point is high, reduces
Energy consumption, also reduces production cost.
Description of the drawings
Fig. 1 is a kind of as-cast metallographic structure of high conductivity zinc-containing alloy of the present invention.
Fig. 2 is a kind of heat treatment metallographic structure of high conductivity zinc-containing alloy of the present invention.
Specific embodiment
Explanation is further explained to the present invention with reference to specific embodiment.
Embodiment 1
By Zn-1.65wt%Cu-3.25 wt%Al-0.4 wt%Ti dispensings, using Cu, Al, Ti and the Zn of content up to 99.9%.It is first
First Zn is added in electrical crucible, is graphite crucible, is warming up to 420 DEG C of change zinc, until Zn completions add in clearly Cu afterwards, heating
To 510 DEG C, and 30 minutes are kept the temperature, then stirred 2 minutes so that Zn and Cu can be relatively sufficiently mixed, and then Al is pressed into bell jar
In molten metal liquid, it is stirred 2 minutes while press-in using homemade bell jar, after Al completions are clear, is warming up to
580 DEG C, titanium sponge is pressed into bell jar, keeps the temperature 15 minutes, after Al melts completely, stirred 2 minutes, then stand 5 minutes, pull out
Slag is come out of the stove, and is poured into the metal mold that mould temperature is 180 DEG C, is prepared cost zinc alloy.Above-mentioned cost zinc alloy is carried out at solid solution
Reason, solid solubility temperature are 350 DEG C, keep the temperature 9 hours, water cooling；Then ageing treatment is carried out, level-one aging temperature is 180 DEG C, when
Effect 6 hours, secondary time effect treatment temperature are 140 DEG C, and timeliness 12 hours is air-cooled.The conductance of the Zn-Al-Cu-Ti kirsites of acquisition
Rate is 30.5 ISCA%, tensile strength 146Mpa, Brinell hardness 125HB.
Embodiment 2
By Zn-1.5wt%Cu-3.5 wt%Al-0.2wt%Ti dispensings.Zn is added in electrical crucible first, is warming up to 450 DEG C
Change zinc, until Zn completions add in clearly Cu afterwards, be warming up to 540 DEG C, and keep the temperature 40 minutes, then stir 5 minutes so that Zn and Cu
It can relatively be sufficiently mixed, then Al is pressed into molten metal liquid with bell jar, be carried out while press-in using homemade bell jar
Stirring 4 minutes, after Al completions are clear, is warming up to 600 DEG C, is pressed into Ti with bell jar, keeps the temperature 20 minutes, after Ti melts completely,
Stirring 4 minutes then stands 8 minutes, pulls out slag, come out of the stove, and is poured into the metal mold that mould temperature is 200 DEG C, prepares Zn-Al-Cu-Ti
Cost zinc alloy.Above-mentioned cost zinc alloy is subjected to solution treatment, solid solubility temperature is 300 DEG C, keeps the temperature 3 hours, water cooling；Then into
Row ageing treatment, level-one aging temperature are 180 DEG C, and timeliness 9 hours, secondary time effect treatment temperature is 120 DEG C, and timeliness 3 is small
When, it is air-cooled.The conductivity of the Zn-Al-Cu-Ti kirsites of acquisition be 29.5 ISCA%, tensile strength 140Mpa, Brinell hardness
120HB。
Embodiment 3
By Zn-3.0wt%Cu-1.6wt%Al-0.8wt%Ti dispensings.Zn is added in electrical crucible first, is graphite crucible,
430 DEG C of change zinc are warming up to, until Zn completions add in clearly Cu afterwards, 520 DEG C is warming up to, and keep the temperature 35 minutes, then stirs 3 points
Clock so that Zn and Cu can be relatively sufficiently mixed, and then Al is pressed into molten metal liquid with bell jar, is being pressed using homemade bell jar
It is stirred while entering 3 minutes, after Al completions are clear, is warming up to 600 DEG C, be pressed into Ti with bell jar, keep the temperature 20 minutes, treat Ti
It after melting completely, stirs 3 minutes, then stands 6 minutes, pull out slag, come out of the stove, be poured into the metal mold that mould temperature is 200 DEG C, prepare
Zn-Al-Cu-Ti cost zinc alloys.Above-mentioned cost zinc alloy is subjected to solution treatment, solid solubility temperature is 380 DEG C, soaking time is
16 hours, water cooling；Then ageing treatment is carried out, level-one aging temperature is 200 DEG C, timeliness 12 hours, secondary time effect processing
Temperature is 140 DEG C, and timeliness 12 hours is air-cooled.The conductivity of the Zn-Al-Cu-Ti kirsites of acquisition is 29.0ISCA%, is stretched strong
It spends for 145Mpa, 130 HB of Brinell hardness.
Embodiment 4
By Zn-1.0wt.%Cu-5.0wt%Al-0.5wt%Ti dispensings.Zn is added in electrical crucible first, is graphite crucible,
420 DEG C of change zinc are warming up to, until Zn completions add in clearly Cu afterwards, 540 DEG C is warming up to, and keep the temperature 30 minutes, then stirs 5 points
Clock so that Zn and Cu can be relatively sufficiently mixed, and then Al is pressed into molten metal liquid with bell jar, is being pressed using homemade bell jar
It is stirred while entering 2 minutes, after Al completions are clear, is warming up to 580 DEG C, be pressed into Ti with bell jar, keep the temperature 15 minutes, treat Ti
It after melting completely, stirs 2 minutes, then stands 8 minutes, pull out slag, come out of the stove, be poured into the metal mold that mould temperature is 180 DEG C, prepare
Zn-Al-Cu-Ti cost zinc alloys.Above-mentioned cost zinc alloy is subjected to solution treatment, solid solubility temperature is 350 DEG C, heat preservation 24 is small
When, water cooling；Then ageing treatment is carried out, level-one aging temperature is 180 DEG C, timeliness 24 hours, secondary time effect treatment temperature
It it is 140 DEG C, timeliness 12 hours is air-cooled.The conductivity of the Zn-Al-Cu-Ti kirsites of acquisition be 28.5 ISCA%, tensile strength
For 143Mpa, 120 HB of Brinell hardness.
Embodiment 5
By Zn-5wt%Cu-1.0wt.%Al-1.0wt.%Ti dispensings.Zn is added in electrical crucible first, is graphite crucible,
420 DEG C of change zinc are warming up to, until Zn completions add in clearly Cu afterwards, 540 DEG C is warming up to, and keep the temperature 30 minutes, then stirs 5 points
Clock so that Zn and Cu can be relatively sufficiently mixed, and then Al is pressed into molten metal liquid with bell jar, is being pressed using homemade bell jar
It is stirred while entering 4 minutes, after Al completions are clear, is warming up to 580 DEG C, be pressed into Ti with bell jar, keep the temperature 20 minutes, treat Ti
It after melting completely, stirs 2 minutes, then stands 5 minutes, pull out slag, come out of the stove, be poured into the metal mold that mould temperature is 200 DEG C, prepare
Zn-Al-Cu-Ti cost zinc alloys.Above-mentioned cost zinc alloy is subjected to solution treatment, solid solubility temperature is 350 DEG C, soaking time is
12 hours, water cooling；Then ageing treatment is carried out, aging temperature is 120 DEG C, and timeliness 18 hours is air-cooled.The Zn-Al- of acquisition
The conductivity of Cu-Ti kirsites is 28.0 ISCA%, tensile strength 150Mpa, 130 HB of Brinell hardness.
Claims (8)
1. a kind of high conductivity zinc-containing alloy, it is characterised in that：It is formed and mass fraction is：The Cu of 1.0wt%~5.0wt%,
The Ti of Al, 0.2wt% of 1.0wt%~5.0wt%~1.0wt%, surplus are Zn and inevitable impurity.
2. a kind of high conductivity zinc-containing alloy according to claim 1, it is characterised in that：The zinc-containing alloy includes：
The Ti of Al, 0.2wt% of Cu, 1.6wt% of 1.5wt%~3.0wt%~3.5wt%~0.8wt%, surplus Zn.
3. a kind of high conductivity zinc-containing alloy according to claim 2, it is characterised in that：The zinc-containing alloy includes：
The Ti of the Al of Cu, 3.25wt% of 1.65wt%, 0.4wt%, surplus Zn.
It is 4. a kind of such as the preparation method of claim 1-3 any one of them high conductivity zinc-containing alloys, which is characterized in that successively
Include the following steps：
（1）Alloy melting：
Zn is added in electrical crucible first, is warming up to 420 ~ 450 DEG C of change zinc, until Zn completions add in clearly Cu afterwards, heating
To 510 ~ 540 DEG C, and 30 ~ 40 minutes are kept the temperature, then stirred 2 ~ 5 minutes so that Zn and Cu can be relatively sufficiently mixed, and then use bell jar
Al is pressed into molten metal liquid, is carried out at the same time stirring 2 ~ 4 minutes, after Al completions are clear, 580 ~ 600 DEG C is warming up to, uses
Bell jar is pressed into Ti, keeps the temperature 15-20 minutes, after Ti melts completely, stirs 2 ~ 4 minutes, then stands 5 ~ 8 minutes, pull out slag, go out
Stove is poured into the metal mold that mould temperature is 180 ~ 200 DEG C, prepares Zn-Al-Cu-Ti cost zinc alloys；
Solution treatment：
By step（1）The Zn-Al-Cu-Ti cost zinc alloys of acquisition keep the temperature 3 ~ 24 hours at 300 ~ 380 DEG C, water cooling；
Ageing treatment：
By step（2）The Zn-Al-Cu-Ti kirsites of acquisition keep the temperature 3 ~ 24 hours at 120 ~ 200 DEG C, air-cooled.
5. the preparation method of high conductivity zinc-containing alloy according to claim 4, which is characterized in that above-mentioned alloying element is pure
Degree reaches 99.9%.
6. the preparation method of high conductivity zinc-containing alloy according to claim 4, which is characterized in that the step（2）In,
Solid solution temperature is 350 DEG C, is handled 9 hours.
7. the preparation method of high conductivity zinc-containing alloy according to claim 4, which is characterized in that the step（2）In,
Through ageing treatment twice, level-one aging temperature is 180 DEG C, keeps the temperature 6 hours；Secondary time effect treatment temperature is 140 DEG C, heat preservation
12 hours.
8. the preparation method of high conductivity zinc-containing alloy according to claim 4, which is characterized in that the Zn-Al- of acquisition
The conductivity of Cu-Ti kirsites is 28.0 ~ 30.5 ISCA%, and tensile strength is 140 ~ 150Mpa, 120 ~ 130HB of Brinell hardness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810151339.XA CN108193085A (en) | 2018-02-14 | 2018-02-14 | A kind of high conductivity zinc-containing alloy and preparation method thereof |
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| CN201810151339.XA CN108193085A (en) | 2018-02-14 | 2018-02-14 | A kind of high conductivity zinc-containing alloy and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113462915A (en) * | 2021-07-02 | 2021-10-01 | 森特士兴集团股份有限公司 | Preparation method of zinc-copper-titanium intermediate alloy |
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Application publication date: 20180622 |