CN108130437A - The synthesis technology of high-ductility high aluminium zinc alloy - Google Patents
The synthesis technology of high-ductility high aluminium zinc alloy Download PDFInfo
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- CN108130437A CN108130437A CN201711409402.7A CN201711409402A CN108130437A CN 108130437 A CN108130437 A CN 108130437A CN 201711409402 A CN201711409402 A CN 201711409402A CN 108130437 A CN108130437 A CN 108130437A
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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
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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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
- C22C18/00—Alloys based on zinc
- C22C18/04—Alloys based on zinc with aluminium as the next major constituent
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Abstract
The invention discloses the synthesis technology of high-ductility high aluminium zinc alloy, the raw material that the high-ductility high aluminium zinc alloy is made includes aluminium, aluminum bronze intermediate alloy, copper zinc intermediate alloy, magnesium, nickel and zinc and alterant；Preparation process of the present invention is succinct, and obdurability is high, by adding in suitable alterant boron and titanium, can effectively improve the tensile strength, extensibility and hardness of alloy, can meet the needs of various applications.
Description
Technical field
The present invention relates to field of alloy material more particularly to the synthesis technologies of high-ductility high aluminium zinc alloy.
Background technology
High alumina zinc base alloy has excellent mechanical property and casting character, and low energy consumption, pollution-free, at low cost.But it
Also there are plasticity it is poor, wear-resisting and heat-resisting not ideal enough the shortcomings that, application is relatively simple, and existing high alumina zinc base alloy plasticity is universal
It is relatively low.Therefore, in order to open up its practical field, its new alloy species is developed, there is weight to further developing and using the alloy
Want meaning.
Invention content
The present invention provides the synthesis technologies of high-ductility high aluminium zinc alloy；Preparation process of the present invention is succinct, obdurability
Height by adding in suitable alterant boron and titanium, can effectively improve the tensile strength, extensibility and hardness of alloy, can meet
The needs of various applications.
To achieve the above object, technical scheme of the present invention is implemented as follows：
The synthesis technology of high-ductility high aluminium zinc alloy, the raw material that the high-ductility high aluminium zinc alloy is made include aluminium, among aluminum bronze
Alloy, copper zinc intermediate alloy, magnesium, nickel and zinc and alterant；Be made the high-ductility high aluminium zinc alloy synthesis technology include with
Lower processing step：
（1）Prepare temperature automatically controlled electrical crucible, alloy molding die, crucible and alloy molding die surface cleaned out,
It reduces impurity in fusion process to be mixed into, alloy molding die and crucible is fully warmed-up at 200 DEG C, after being fully warmed-up, then
150-160 DEG C of alloy molding die and crucible temperature are kept, one layer of graphite is uniformly smeared in alloy molding die and crucible surface,
And it is preheated to 350 DEG C；
（2）Furnace charge is fully warmed-up removing moisture, it is spare；
（3）Crucible is preheating to 650 DEG C, aluminium ingot, aluminum bronze intermediate alloy, copper zinc intermediate alloy and part zinc ingot metal are added in into earthenware together
It is melted in crucible, and protective gas is passed through into stove, remaining zinc ingot metal is added in after fusing, is warming up to 700-720 DEG C, metal is all molten
Change；
（4）Carbon trichloride refinery by de-gassing will be added in molten metal after fusing, then adds in magnesium and nickel, spread last layer coverture,
740-760 DEG C is continuously heating to, and is uninterruptedly passed through protective gas, it is ensured that magnesium powder and zinc powder fusing keep the temperature 30min；
（5）After metal all fusing, molten metal is adjusted to 720-740 DEG C, alterant is added in and carries out Metamorphism treatment, heat preservation
30min；
（6）Molten metal is warming up to 760-800 DEG C of addition refining agent to refine, 5-15min is stirred, also continues to earthenware in the process
Crucible is passed through protective gas, is uniformly mixed it；
（7）Ingot casting is carried out at a temperature of molten metal is cooled to 740-760 DEG C, casting cycle still passes to protective gas in mould surface
Protection；
（8）After the completion of casting, continue to keep being passed through protective gas protection, and reduce temperature step by step, after cooling, should clear up rapidly
The residues such as remaining metal, slag in crucible, you can obtain the high-ductility high aluminium zinc alloy.
The alterant be boron and titanium, the Boron contents be 0.52%-0.67%, purity >=99.5%, granularity<74µm；It is described
Ti content is 0.15%-0.25%, purity >=99.5%, granularity<74µm.
Aluminium 25%-28%, purity >=99.5%, granularity<74µm；Aluminum bronze intermediate alloy 3%-8%, granularity<74µm；Among copper zinc
Alloy 4.5%-8.5%, granularity<74µm；Magnesium 0.1%-0.2%, purity >=99.5%, granularity<74µm；Nickel 0.05%-2%, purity >=
99.9%, granularity<74µm；Remaining is zinc powder, purity >=99.5%, granularity<74µm.
The material content that the high-ductility magnesium tin alloy is made is：Aluminium 26%, purity >=99.5%, granularity<74µm；In aluminum bronze
Between alloy 3.5%, granularity<74µm；Copper zinc intermediate alloy 6.3%, granularity<74µm；Magnesium 0.15%, purity >=99.5%, granularity<74µ
m；Nickel 0.5%, purity >=99.9%, granularity<74µm；The Boron contents are 0.61%, purity >=99.5%, granularity<74µm；The titanium
Content is 0.21%, purity >=99.5%, granularity<74µm；Remaining is zinc powder, purity >=99.5%, granularity<74µm.
The coverture is charcoal.
The protective gas is argon gas.
The refining agent is ice crystal.
Compared with prior art, the present invention it has the advantages that：
Preparation process of the present invention is succinct, and obdurability is high, by adding in suitable alterant boron and titanium, can effectively improve conjunction
Tensile strength, extensibility and the hardness of gold can meet the needs of various applications.
Description of the drawings
Attached drawing 1 is the shape and size figure that test stretches alloy style
Attached drawing 2 influences response diagram for nickel content on alloy tensile strength.
Attached drawing 3 is influence response diagram of the nickel content to alloy extensibility.
Attached drawing 4 is nickel content to the influence response diagram of alloy cloth hardness.
Specific embodiment
Present invention is further elaborated in following combination specific embodiment.
Embodiment 1
The synthesis technology of high-ductility high aluminium zinc alloy, the raw material that the high-ductility high aluminium zinc alloy is made include aluminium, among aluminum bronze
Alloy, copper zinc intermediate alloy, magnesium, nickel and zinc and alterant；
The material content that the high-ductility magnesium tin alloy is made is：Aluminium 26%, purity >=99.5%, granularity<74µm；It is closed among aluminum bronze
Gold 3.5%, granularity<74µm；Copper zinc intermediate alloy 6.3%, granularity<74µm；Magnesium 0.15%, purity >=99.5%, granularity<74µm；Nickel
0.5%, purity >=99.9%, granularity<74µm；The Boron contents are 0.61%, purity >=99.5%, granularity<74µm；The Ti content
It is 0.21%, purity >=99.5%, granularity<74µm；Remaining is zinc powder, purity >=99.5%, granularity<74µm.
The synthesis technology that the high-ductility high aluminium zinc alloy is made comprises the following steps that：
The synthesis technology of high-ductility high aluminium zinc alloy, the raw material that the high-ductility magnesium tin alloy is made includes aluminium, aluminum bronze centre is closed
Gold, copper zinc intermediate alloy, magnesium, nickel and zinc and alterant；The synthesis technology of the high-ductility high aluminium zinc alloy is made including following
Processing step：
（1）Prepare temperature automatically controlled electrical crucible, alloy molding die, crucible and alloy molding die surface cleaned out,
It reduces impurity in fusion process to be mixed into, alloy molding die and crucible is fully warmed-up at 200 DEG C, after being fully warmed-up, then
150-160 DEG C of alloy molding die and crucible temperature are kept, one layer of graphite is uniformly smeared in alloy molding die and crucible surface,
And it is preheated to 350 DEG C；
（2）Furnace charge is fully warmed-up removing moisture, it is spare；
（3）Crucible is preheating to 650 DEG C, aluminium ingot, aluminum bronze intermediate alloy, copper zinc intermediate alloy and part zinc ingot metal are added in into earthenware together
It is melted in crucible, and protective gas argon gas is passed through into stove, remaining zinc ingot metal is added in after fusing, is warming up to 700-720 DEG C, metal is complete
It melts in portion；
（4）Carbon trichloride refinery by de-gassing will be added in molten metal after fusing, then add in magnesium and nickel, spread last layer coverture wood
Charcoal is continuously heating to 740-760 DEG C, and is uninterruptedly passed through protective gas argon gas, it is ensured that magnesium powder and zinc powder fusing keep the temperature 30min；
（5）After metal all fusing, molten metal is adjusted to 720-740 DEG C, adds in alterant boron and titanium.Carry out Metamorphism treatment,
Keep the temperature 30min；
（6）Molten metal is warming up to 760-800 DEG C of addition refining agent ice crystal to refine, 5-15min is stirred, also holds in the process
Continue to crucible and be passed through protective gas argon gas, be uniformly mixed it；
（7）Ingot casting is carried out at a temperature of molten metal is cooled to 740-760 DEG C, casting cycle still passes to argon gas in mould surface
Protection；
（8）After the completion of casting, continue to keep being passed through the protection of protective gas argon gas, and reduce temperature step by step, it after cooling, should be rapid
Clear up the residues such as remaining metal, slag in crucible, you can obtain the high-ductility high aluminium zinc alloy.
Embodiment 2
The material content that the high-ductility magnesium tin alloy is made is：Aluminium 25%, purity >=99.5%, granularity<74µm；It is closed among aluminum bronze
Gold 3%, granularity<74µm；Copper zinc intermediate alloy 4.5%, granularity<74µm；Magnesium 0.1%, purity >=99.5%, granularity<74µm；Titanium
0.15%, purity >=99.5%, granularity<74µm；Nickel 0.05, purity >=99.9%, granularity<74µm；The Boron contents are 0.52%, pure
Degree >=99.5%, granularity<74µm；The Ti content is 0.15%, purity >=99.5%, granularity<74µm；Remaining is zinc powder, purity >=
99.5%, granularity<74µm.
The synthesis technology step of high-ductility high aluminium zinc alloy described in the present embodiment such as embodiment 1.
Embodiment 3
Aluminium 28%, purity >=99.5%, granularity<74µm；Aluminum bronze intermediate alloy 8%, granularity<74µm；Copper zinc intermediate alloy 8.5%, grain
Degree<74µm；Magnesium 0.2%, purity >=99.5%, granularity<74µm；Titanium 0.25%, purity >=99.5%, granularity<74µm；Nickel 2%, purity
>=99.9%, granularity<74µm；The Boron contents are 0.67%, purity >=99.5%, granularity<74µm；The Ti content is 0.25%；
Remaining is zinc powder, purity >=99.5%, granularity<74µm.
The synthesis technology step of high-ductility high aluminium zinc alloy described in the present embodiment such as embodiment 1.
Sample analysis：
1st, sample is chosen：The alloy for choosing above-mentioned cast molding is made by certain shape and size, is cast with removing
The casting flaws such as stomata, the slag inclusion on part surface, carry out tensile strength test, and shape is as shown in Figure 1.
2nd, tension test：It is carried out on WDS-100 type electronic type universal testing machines, mechanical property takes the flat of more coupons
Mean value, alloy microscopic structure are observed with light microscope.
3rd, as shown in Figure 2, Figure 3, Figure 4, when nickel content is less than 0.5%, with the increase of nickel content, mechanical performance has significantly
It improves；With the raising of nickel content, mechanical performance is significantly improved, further with nickel content when nickel content is more than 0.5%
It improves, tensile strength and elongation percentage continuously decrease, and hardness is continuously improved.
3rd, wear test：
Room temperature wear test carries out on domestic MM200 abrasion testers.Specimen size is 11mm × 8mm × 1718mm, is rubbed
It wipes secondary for 40Cr steel, outside diameter 50mm.
Sample elder generation running-in 30min, then stable state break-in 1h, rotating speed 200r/min, test load 300N.
The mass loss of wear extent sample represents, is weighed using TG328B type a ten thousandth photoelectric analytical balances
The hardness of beta alloy shows, after adding 0.04%Ti in alloy, the hardness of alloy does not change significantly, and hardness with
The feed postition of Ti is unrelated.The hardness of alloy is mainly influenced by alloying component, in the case where alloying component is almost the same, is closed
The hardness of gold is also essentially the same.But there are certain differences for the wearability of alloy, illustrate crystal grain refinement shadow to a certain extent
Ring the wear-resisting property of alloy.Due to the refinement of crystal grain so that the grain boundary area of crystal grain increases, and the crystal grain of refinement can be preferably
Inhibit the generation of dislocation, enhance the binding force of matrix.
It is obvious to a person skilled in the art that the present invention is not limited to the details of above-mentioned exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of from which, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended right
It is required that rather than above description limit, it is intended that all changes that will be fallen within the meaning and scope of the equivalent requirements of the claims
Change is included within the present invention.Any label in claim should not be considered as to the involved claim of limitation.
Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Claims (7)
1. the synthesis technology of high-ductility high aluminium zinc alloy, it is characterised in that：The raw material packet of the high-ductility high aluminium zinc alloy is made
Include aluminium, aluminum bronze intermediate alloy, copper zinc intermediate alloy, magnesium, nickel and zinc and alterant；The conjunction of the high-ductility high aluminium zinc alloy is made
It is comprised the following steps that into technique：
（1）Prepare temperature automatically controlled electrical crucible, alloy molding die, crucible and alloy molding die surface cleaned out,
It reduces impurity in fusion process to be mixed into, alloy molding die and crucible is fully warmed-up at 200 DEG C, after being fully warmed-up, then
150-160 DEG C of alloy molding die and crucible temperature are kept, one layer of graphite is uniformly smeared in alloy molding die and crucible surface,
And it is preheated to 350 DEG C；
（2）Furnace charge is fully warmed-up removing moisture, it is spare；
（3）Crucible is preheating to 650 DEG C, aluminium ingot, aluminum bronze intermediate alloy, copper zinc intermediate alloy and part zinc ingot metal are added in into earthenware together
It is melted in crucible, and protective gas is passed through into stove, remaining zinc ingot metal is added in after fusing, is warming up to 700-720 DEG C, metal is all molten
Change；
（4）Carbon trichloride refinery by de-gassing will be added in molten metal after fusing, then adds in magnesium and nickel, spread last layer coverture,
740-760 DEG C is continuously heating to, and is uninterruptedly passed through protective gas, it is ensured that magnesium powder and zinc powder fusing keep the temperature 30min；
（5）After metal all fusing, molten metal is adjusted to 720-740 DEG C, alterant is added in and carries out Metamorphism treatment, heat preservation
30min；
（6）Molten metal is warming up to 760-800 DEG C of addition refining agent to refine, 5-15min is stirred, also continues to earthenware in the process
Crucible is passed through protective gas, is uniformly mixed it；
（7）Ingot casting is carried out at a temperature of molten metal is cooled to 740-760 DEG C, casting cycle still passes to protective gas in mould surface
Protection；
（8）After the completion of casting, continue to keep being passed through protective gas protection, and reduce temperature step by step, after cooling, should clear up rapidly
The residues such as remaining metal, slag in crucible, you can obtain the high-ductility high aluminium zinc alloy.
2. the synthesis technology of high-ductility high aluminium zinc alloy according to claim 1, it is characterised in that：The alterant is boron
And titanium, the Boron contents be 0.52%-0.67%, purity >=99.5%, granularity<74µm；Institute
Ti content is stated as 0.15%-0.25%, purity >=99.5%, granularity<74µm.
3. the synthesis technology of high-ductility high aluminium zinc alloy according to claim 1, it is characterised in that：The high-ductility is made
The material content of magnesium tin alloy is：Aluminium 25%-28%, purity >=99.5%, granularity<74µm；Aluminum bronze intermediate alloy 3%-8%, granularity<
74µm；Copper zinc intermediate alloy 4.5%-8.5%, granularity<74µm；Magnesium 0.1%-0.2%, purity >=99.5%, granularity<74µm；Nickel
0.05%-2%, purity >=99.9%, granularity<74µm；Remaining is zinc powder, purity >=99.5%, granularity<74µm.
4. the synthesis technology of the high-ductility high aluminium zinc alloy according to claim 1 or claim 2, it is characterised in that：System
Material content into the high-ductility magnesium tin alloy is：Aluminium 26%, purity >=99.5%, granularity<74µm；Aluminum bronze intermediate alloy
3.5%, granularity<74µm；Copper zinc intermediate alloy 6.3%, granularity<74µm；Magnesium 0.15%, purity >=99.5%, granularity<74µm；Nickel
0.5%, purity >=99.9%, granularity<74µm；The Boron contents are 0.61%, purity >=99.5%, granularity<74µm；The Ti content
It is 0.21%, purity >=99.5%, granularity<74µm；Remaining is zinc powder, purity >=99.5%, granularity<74µm.
5. the synthesis technology of high-ductility high aluminium zinc alloy according to claim 1, it is characterised in that：The coverture is wood
Charcoal.
6. the synthesis technology of high-ductility high aluminium zinc alloy according to claim 1, it is characterised in that：The protective gas is
Argon gas.
7. the synthesis technology of high-ductility high aluminium zinc alloy according to claim 1, it is characterised in that：The refining agent is ice
Spar.
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| CN201711409402.7A CN108130437A (en) | 2017-12-22 | 2017-12-22 | The synthesis technology of high-ductility high aluminium zinc alloy |
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| CN201711409402.7A CN108130437A (en) | 2017-12-22 | 2017-12-22 | The synthesis technology of high-ductility high aluminium zinc alloy |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108950272A (en) * | 2018-08-02 | 2018-12-07 | 济南大学 | A kind of agent containing antimony metamorphic of zinc-copper alloy and metamorphism treatment method |
| CN111455217A (en) * | 2020-05-29 | 2020-07-28 | 云南驰宏资源综合利用有限公司 | Method for producing zinc-magnesium-aluminum alloy in laboratory |
| CN111549257A (en) * | 2020-06-03 | 2020-08-18 | 佛山市桂源锌合金材料有限公司 | Zinc alloy with low cost and good tensile strength and preparation method thereof |
-
2017
- 2017-12-22 CN CN201711409402.7A patent/CN108130437A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108950272A (en) * | 2018-08-02 | 2018-12-07 | 济南大学 | A kind of agent containing antimony metamorphic of zinc-copper alloy and metamorphism treatment method |
| CN111455217A (en) * | 2020-05-29 | 2020-07-28 | 云南驰宏资源综合利用有限公司 | Method for producing zinc-magnesium-aluminum alloy in laboratory |
| CN111549257A (en) * | 2020-06-03 | 2020-08-18 | 佛山市桂源锌合金材料有限公司 | Zinc alloy with low cost and good tensile strength and preparation method thereof |
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Application publication date: 20180608 |