CN107447131A - Hypoeutectic zinc-aluminum-magnesium tantalum alloy and preparation method thereof - Google Patents
Hypoeutectic zinc-aluminum-magnesium tantalum alloy and preparation method thereof Download PDFInfo
- Publication number
- CN107447131A CN107447131A CN201710621569.3A CN201710621569A CN107447131A CN 107447131 A CN107447131 A CN 107447131A CN 201710621569 A CN201710621569 A CN 201710621569A CN 107447131 A CN107447131 A CN 107447131A
- Authority
- CN
- China
- Prior art keywords
- aluminium
- zinc
- tantalum
- magnesium
- alloy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Prevention Of Electric Corrosion (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
The invention discloses hypoeutectic zinc-aluminum-magnesium tantalum alloy and preparation method thereof.Wherein, hypoeutectic zinc-aluminum-magnesium tantalum alloy is made up of the composition of following weight/mass percentage composition：Ta 0.05 0.5 %, Mg 0.01 0.05%, Al 2 4.5%, surplus are Zn and other inevitable impurity elements.In the alloy, tantalum element can form tiny TaAl3‑xZnxCompound particles, a large amount of nucleus are formed in alloy graining process, produce significant Grain Refinement Effect, improve alloy strength, Dispersed precipitate produces particle dispersion invigoration effect in allumen matrix, while part tantalum element is also solid-solution in aluminium, zinc crystal grain in an atomic manner, plays solution strengthening effect, therefore, the mechanical property of hypoeutectic zinc-aluminum-magnesium tantalum alloy prepared by the present invention is significantly lifted.
Description
Technical field
The invention belongs to technical field of alloy material, more particularly to a kind of hypoeutectic zinc-aluminium-magnesium-tantalum alloy and its preparation
Method.
Background technology
Hypoeutectic Zn-Al alloy（Aluminum content is less than 5wt.%）Matrix is made up of nascent η-Zn crystal grain and eutectic structure, and it is tied
Brilliant temperature range is narrow, has good casting fluidity and mold-filling capacity, mechanical processing technique performance, therefore apply in some fields
It is wider.But nascent η-Zn crystal grain therein is flourishing dendrite, and alloy mechanical property is simultaneously not bery high, although disclosure satisfy that
The requirement of structural member, but occasion different in practical application may require that the mechanical properties such as more preferable intensity.Therefore how to carry
The mechanical property of high this kind of alloy turns into an important content in research and applied technical field.Add generally in this kind of alloy
Enter micro magnesium elements, alloy strength can be improved to a certain extent, but increase rate is still limited.
The content of the invention
For above shortcomings in the prior art, the invention provides a kind of hypoeutectic zinc-aluminium-magnesium-tantalum alloy and
Its preparation method, tantalum element progress alloying is added in the hypoeutectic Zn-Al alloy containing magnesium elements, passes through tantalum element pair
The synthesis improvement result of zinc-aluminium-magnesium alloy institutional framework, improves its tensile strength.
In a first aspect, hypoeutectic zinc-aluminium-magnesium-tantalum alloy provided by the invention, by following weight/mass percentage composition into packet
Into：Ta 0.05-0.5 %, Mg 0.01-0.05%, Al 2-4.5%, surplus are Zn and other inevitable impurity elements；Institute
State the matrix of hypoeutectic zinc-aluminium-magnesium-tantalum alloy by nascent η-Zn crystal grain and and η-Zn+ α-Al eutectic structures form；Ta element masters
Will be with TaAl3-xZnxThe form of compound particles is embedded in alloy substrate, wherein, 0 ＜ x ＜ 3, part Ta elements are with atom
Form be solid-solution in η-Zn and α-Al phases.
Preferably, the percentage composition of each composition is：0.07-0.45%, Mg 0.02-0.045%, Al 3-4%.
Preferably, the percentage composition of each composition is：Ta 0.45%, Mg 0.045%, Al 4%.
Second aspect, the invention provides a kind of to prepare the method for above-mentioned hypoeutectic zinc-aluminium-magnesium-tantalum alloy, including
Following steps：（1）Prepare aluminium-tantalum intermediate alloy；（2）Pure zinc, fine aluminium and the aluminium-three kinds of tantalum intermediate alloy raw material are added into electricity
680-720 DEG C is melted in stove, is incubated 20-30 minutes, alloy melt is stirred continuously in insulating process, zinc-aluminium-tantalum is obtained and closes
Golden melt；（3）Pure magnesium is added in the zinc-aluminium-tantalum alloy melt, continues to be incubated 5-10 minutes, to alloy in insulating process
Melt is sufficiently stirred, and obtains zinc-aluminium-magnesium-tantalum alloy melt；（4）Zinc-aluminium-magnesium-tantalum alloy the melt is refined
It is poured into afterwards in mould, hypoeutectic zinc-aluminium-magnesium-tantalum alloy is obtained after solidification.
Preferably, the amount containing tantalum of the aluminium-tantalum intermediate alloy is 15%.
Preferably, the weight/mass percentage composition of aluminium described in all raw materials-tantalum intermediate alloy is 0.5-3%.
The third aspect, present invention also offers another preparing the side of above-mentioned hypoeutectic zinc-aluminium-magnesium-tantalum alloy
Method, comprise the following steps：（1）Prepare zinc-aluminium-tantalum intermediate alloy；（2）By pure zinc, fine aluminium and the zinc-aluminium-tantalum intermediate alloy
Three kinds of raw materials, which are added in electric furnace, is melted to 550-660 DEG C, is incubated 20-30 minutes, alloy melt is stirred continuously in insulating process,
Obtain zinc-aluminium-tantalum alloy melt；（3）Pure magnesium is added in the zinc-aluminium-tantalum alloy melt, continues to be incubated 5-10 minutes, protects
Alloy melt is sufficiently stirred during temperature, obtains zinc-aluminium-magnesium-tantalum alloy melt；（4）Zinc-aluminium-the magnesium-tantalum is closed
Golden melt is poured into mould after being refined, and hypoeutectic zinc-aluminium-magnesium-tantalum alloy is obtained after solidification.
Preferably, the amount containing tantalum of the zinc-aluminium-tantalum intermediate alloy is 15%, aluminum content 27%.
Preferably, the weight/mass percentage composition of zinc-aluminium-tantalum intermediate alloy described in all raw materials is 0.5-3%.
There is magnesium and tantalum simultaneously in hypoeutectic zinc-aluminium-magnesium-tantalum alloy prepared by the embodiment of the present invention.Wherein, tantalum element
Add and be mainly for beneficial effect caused by alloy：First, tantalum element can form tiny TaAl3-xZnx（0 ＜ x ＜ 3）Change
Polymer particle, a large amount of nucleus are formed in alloy graining process, improved nascent η-Zn crystal grain looks, size, produced notable
Grain Refinement Effect, due to η-Zn+ α-Al eutectic structures can using nascent η-Zn crystal grain as growth core, therefore it is tiny at the beginning of
Raw η-Zn crystal grain can refine again the size of eutectic cluster of grains size and internal η-Zn and α-Al eutectic two-phases, meanwhile, TaAl3-
XZnx also can be refined eutectic structure directly as the forming core core that eutectic grain is rolled into a ball, and the effect of above refined crystalline strengthening makes
The intensity of Zn-Al alloy is improved.Second, TaAl3-xZnx（0 ＜ x ＜ 3）Compound particles Dispersed precipitate is in Zn-Al alloy
Particle dispersion invigoration effect is produced in matrix.3rd, a small number of tantalum elements are also solid-solution in aluminium, zinc crystal grain in an atomic manner, are played
Solution strengthening effect.4th, the addition of magnesium elements can improve the wetability of Zn-Al alloy melt, improve TaAl3-xZnx（0 ＜
X ＜ 3）Grain refining capability and effect of the particle to come into being η-Zn crystal grain and eutectic structure.Therefore, the hypoeutectic that prepared by the present invention
The mechanical property of zinc-aluminium-magnesium-tantalum alloy gets a promotion.
It should be appreciated that the general description and following detailed description of the above are only exemplary and explanatory, not
Can the limitation present invention.
Brief description of the drawings
In order to illustrate more clearly of technical scheme, letter will be made to the required accompanying drawing used in embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the scanning electron microscope (SEM) photograph of hypoeutectic zinc-aluminium-magnesium-tantalum alloy prepared by the embodiment of the present invention one.
Embodiment
Below by specific embodiment, the present invention is further elaborated, it is necessary to which explanation, following present invention are implemented
Mode is not intended to limit the scope of the present invention..
Embodiment one
A kind of hypoeutectic Zn-3Al-0.045Mg-0.45Ta alloys（Al weight/mass percentage composition is 3%, Mg quality in the alloy
The weight/mass percentage composition that percentage composition is 0.045%, Ta is 0.45%, and remaining is Zn and other inevitable impurity elements）, system
Standby process is as follows.The purity of pure zinc used in preparation process is 99.99wt.% or more, and the purity of fine aluminium is 99.8wt.%
Or more, the purity of pure magnesium is 99.9wt.% or more, and following examples and comparative example all select above-mentioned raw materials.
（1）With fine aluminium and K2TaF7For raw material, according to prior art, Al-15Ta intermediate alloys are prepared.
（2）Weigh Al-15Ta intermediate alloys, pure zinc, pure magnesium and the fine aluminium that weight/mass percentage composition is 3% so that each composition
Percentage composition is：Ta 0.45%, Mg 0.045%, Al 3%, surplus are Zn and other inevitable impurity elements.By pure zinc,
Three kinds of raw materials of fine aluminium and Al-15Ta intermediate alloys, which are added in electric furnace, is melted to 680 DEG C, is incubated 20 minutes, pairing in insulating process
Golden melt is stirred continuously, and obtains zinc-aluminium-tantalum alloy melt.
（3）Pure magnesium is added into step（2）In in obtained zinc-aluminium-tantalum alloy melt, continue insulation 7 minutes, insulating process
In alloy melt is sufficiently stirred, obtain zinc-aluminium-magnesium-tantalum alloy melt；
（4）By step（3）In obtained zinc-aluminium-magnesium-tantalum alloy melt be poured into after being refined in mould, after solidification
To hypoeutectic Zn-3Al-0.045Mg-0.45Ta alloys.
Referring to Fig. 1, the ESEM group of the hypoeutectic Zn-3Al-0.045Mg-0.45Ta alloys prepared by embodiment one
Knit structure chart.The deeper part of color is η-Zn+α-Al eutectic structures in figure, color it is shallower for nascent η-Zn crystal grain.To sweep
Retouching the electro microscope energy spectrum instrument particle progress analysis shows signified to arrow in figure, it is TaAl3-xZnx（0 ＜ x ＜ 3）Compound, other
Ta elements are solid-solution in η-Zn and α-Al phases in an atomic fashion.
Embodiment two
A kind of hypoeutectic Zn-3Al-0.045Mg-0.45Ta alloys, preparation process are as follows.
（1）With pure zinc, fine aluminium and K2TaF7For raw material, according to prior art, Zn-27Al-15Ta intermediate alloys are prepared.
（2）Weigh Zn-27Al-15Ta intermediate alloys, pure zinc, pure magnesium and the fine aluminium that weight/mass percentage composition is 3% so that each
The percentage composition of composition is：Ta 0.45%, Mg 0.045%, Al 3%, surplus are Zn and other inevitable impurity elements.Will
Three kinds of pure zinc, fine aluminium and Zn-27Al-15Ta intermediate alloys raw materials add in electric furnace and are melted to 550 DEG C, are incubated 20 minutes, insulation
During alloy melt is stirred continuously, obtain zinc-aluminium-tantalum alloy melt.
（3）Pure magnesium is added into step（2）In in obtained zinc-aluminium-tantalum alloy melt, continue insulation 7 minutes, insulating process
In alloy melt is sufficiently stirred, obtain zinc-aluminium-magnesium-tantalum alloy melt；
（4）By step（3）In obtained zinc-aluminium-magnesium-tantalum alloy melt be poured into after being refined in mould, after solidification
To hypoeutectic Zn-3Al-0.045Mg-0.45Ta alloys.
The institutional framework of the gained hypoeutectic Zn-3Al-0.045Mg-0.45Ta alloys of embodiment two is carried out with ESEM
Analysis shows its be similar to Fig. 1.
Comparative example one
The process for preparing Zn-3Al-0.045Mg alloys is as follows：
（1）The fine aluminium, the pure zinc of 0.045% pure magnesium and surplus that weight/mass percentage composition is 3% are weighed, by the pure zinc weighed up and pure
Aluminium is added to electric furnace, is melted to 700 DEG C, is incubated 20 minutes, alloy melt is sufficiently stirred in insulating process, obtained
Zn-Al alloy melt.
（2）The pure magnesium weighed up is added into step（1）In in obtained Zn-Al alloy melt, continue insulation 5 minutes, insulation
During alloy melt is sufficiently stirred, obtain zinc-aluminium-magnesium alloy melt.
（3）By step（2）In obtained zinc-aluminium-magnesium alloy melt be poured into after being refined in mould, after solidification
To Zn-3Al-0.045Mg alloys.
Embodiment three
A kind of hypoeutectic Zn-4Al-0.045Mg-0.45Ta alloys, preparation process are as follows.
（1）With fine aluminium and K2TaF7For raw material, according to prior art, Al-15Ta intermediate alloys are prepared.
（2）Weigh Al-15Ta intermediate alloys, pure zinc, pure magnesium and the fine aluminium that weight/mass percentage composition is 3% so that each composition
Percentage composition is：Ta 0.45%, Mg 0.045%, Al 4%, surplus are Zn and other inevitable impurity elements.By pure zinc,
Three kinds of raw materials of fine aluminium and Al-15Ta intermediate alloys, which are added in electric furnace, is melted to 720 DEG C, is incubated 15 minutes, pairing in insulating process
Golden melt is stirred continuously, and obtains zinc-aluminium-tantalum alloy melt.
（3）Pure magnesium is added into step（2）In in obtained zinc-aluminium-tantalum alloy melt, continue insulation 8 minutes, insulating process
In alloy melt is sufficiently stirred, obtain zinc-aluminium-magnesium-tantalum alloy melt；
（4）By step（3）In obtained zinc-aluminium-magnesium-tantalum alloy melt be poured into after being refined in mould, after solidification
To hypoeutectic Zn-4Al-0.045Mg-0.45Ta alloys.
The institutional framework of the gained hypoeutectic Zn-4Al-0.045Mg-0.45Ta alloys of embodiment three is carried out with ESEM
Analysis shows its be similar to Fig. 1.
Example IV
A kind of hypoeutectic Zn-4Al-0.045Mg-0.45Ta alloys, preparation process are as follows.
（1）With pure zinc, fine aluminium and K2TaF7For raw material, according to prior art, Zn-27Al-15Ta intermediate alloys are prepared.
（2）Weigh Zn-27Al-15Ta intermediate alloys, pure zinc, pure magnesium and the fine aluminium that weight/mass percentage composition is 3% so that each
The percentage composition of composition is：Ta 0.45%, Mg 0.045%, Al 4%, surplus are Zn and other inevitable impurity elements.Will
Three kinds of pure zinc, fine aluminium and Zn-27Al-15Ta intermediate alloys raw materials add in electric furnace and are melted to 580 DEG C, are incubated 15 minutes, insulation
During alloy melt is stirred continuously, obtain zinc-aluminium-tantalum alloy melt.
（3）Pure magnesium is added into step（2）In in obtained zinc-aluminium-tantalum alloy melt, continue insulation 8 minutes, insulating process
In alloy melt is sufficiently stirred, obtain zinc-aluminium-magnesium-tantalum alloy melt；
（4）By step（3）In obtained zinc-aluminium-magnesium-tantalum alloy melt be poured into after being refined in mould, after solidification
To hypoeutectic Zn-4Al-0.045Mg-0.45Ta alloys.
The institutional framework of hypoeutectic Zn-4Al-0.045Mg-0.45Ta alloys obtained by example IV is carried out with ESEM
Analysis shows its be similar to Fig. 1.
Comparative example two
The process for preparing Zn-4Al-0.045Mg alloys is as follows：
（1）The fine aluminium, the pure zinc of 0.045% pure magnesium and surplus that weight/mass percentage composition is 4% are weighed, by the pure zinc weighed up and pure
Aluminium is added to electric furnace, is melted to 720 DEG C, is incubated 15 minutes, alloy melt is sufficiently stirred in insulating process, obtained
Zn-Al alloy melt.
（2）The pure magnesium weighed up is added into step（1）In in obtained Zn-Al alloy melt, continue insulation 8 minutes, insulation
During alloy melt is sufficiently stirred, obtain zinc-aluminium-magnesium alloy melt.
（3）By step（2）In obtained zinc-aluminium-magnesium alloy melt be poured into after being refined in mould, after solidification
To Zn-4Al-0.045Mg alloys.
Embodiment five
A kind of hypoeutectic Zn-3Al-0.045Mg-0.15Ta alloys, preparation process are as follows.
（1）With fine aluminium and K2TaF7For raw material, according to prior art, Al-15Ta intermediate alloys are prepared.
（2）Weigh Al-15Ta intermediate alloys, pure zinc, pure magnesium and the fine aluminium that weight/mass percentage composition is 1% so that each composition
Percentage composition is：Ta 0.15%, Mg 0.045%, Al 3%, surplus are Zn and other inevitable impurity elements.By pure zinc,
Three kinds of raw materials of fine aluminium and Al-15Ta intermediate alloys, which are added in electric furnace, is melted to 680 DEG C, is incubated 20 minutes, pairing in insulating process
Golden melt is stirred continuously, and obtains zinc-aluminium-tantalum alloy melt.
（3）Pure magnesium is added into step（2）In in obtained zinc-aluminium-tantalum alloy melt, continue insulation 7 minutes, insulating process
In alloy melt is sufficiently stirred, obtain zinc-aluminium-magnesium-tantalum alloy melt；
（4）By step（3）In obtained zinc-aluminium-magnesium-tantalum alloy melt be poured into after being refined in mould, after solidification
To hypoeutectic Zn-3Al-0.045Mg-0.15Ta alloys.
The institutional framework of the gained hypoeutectic Zn-3Al-0.045Mg-0.15Ta alloys of embodiment five is carried out with ESEM
Analysis shows its be similar to Fig. 1.
Embodiment six
A kind of hypoeutectic Zn-3Al-0.045Mg-0.15Ta alloys, preparation process are as follows.
（1）With pure zinc, fine aluminium and K2TaF7For raw material, according to prior art, Zn-27Al-15Ta intermediate alloys are prepared.
（2）Weigh Zn-27Al-15Ta intermediate alloys, pure zinc, pure magnesium and the fine aluminium that weight/mass percentage composition is 1% so that each
The percentage composition of composition is：Ta 0.15%, Mg 0.045%, Al 3%, surplus are Zn and other inevitable impurity elements.Will
Three kinds of pure zinc, fine aluminium and Zn-27Al-15Ta intermediate alloys raw materials add in electric furnace and are melted to 640 DEG C, are incubated 20 minutes, insulation
During alloy melt is stirred continuously, obtain zinc-aluminium-tantalum alloy melt.
（3）Pure magnesium is added into step（2）In in obtained zinc-aluminium-tantalum alloy melt, continue insulation 7 minutes, insulating process
In alloy melt is sufficiently stirred, obtain zinc-aluminium-magnesium-tantalum alloy melt；
（4）By step（3）In obtained zinc-aluminium-magnesium-tantalum alloy melt be poured into after being refined in mould, after solidification
To hypoeutectic Zn-3Al-0.045Mg-0.15Ta alloys.
The institutional framework of the gained hypoeutectic Zn-3Al-0.045Mg-0.15Ta alloys of embodiment six is carried out with ESEM
Analysis shows its be similar to Fig. 1.
Embodiment seven
A kind of hypoeutectic Zn-3Al-0.02Mg-0.07Ta alloys, preparation process are as follows.
（1）With fine aluminium and K2TaF7For raw material, according to prior art, Al-15Ta intermediate alloys are prepared.
（2）Weigh Al-15Ta intermediate alloys, pure zinc, pure magnesium and the fine aluminium that weight/mass percentage composition is 0.5% so that each composition
Percentage composition be：Ta 0.07%, Mg 0.02%, Al 3%, surplus are Zn and other inevitable impurity elements.By pure zinc,
Three kinds of raw materials of fine aluminium and Al-15Ta intermediate alloys, which are added in electric furnace, is melted to 690 DEG C, is incubated 25 minutes, pairing in insulating process
Golden melt is stirred continuously, and obtains zinc-aluminium-tantalum alloy melt.
（3）Pure magnesium is added into step（2）In in obtained zinc-aluminium-tantalum alloy melt, continue insulation 10 minutes, be incubated
Alloy melt is sufficiently stirred in journey, obtains zinc-aluminium-magnesium-tantalum alloy melt；
（4）By step（3）In obtained zinc-aluminium-magnesium-tantalum alloy melt be poured into after being refined in mould, after solidification
To hypoeutectic Zn-3Al-0.045Mg-0.15Ta alloys.
The institutional framework of the gained hypoeutectic Zn-3Al-0.045Mg-0.15Ta alloys of embodiment seven is carried out with ESEM
Analysis shows its be similar to Fig. 1.
Embodiment eight
A kind of hypoeutectic Zn-3Al-0.02Mg-0.07Ta alloys, preparation process are as follows.
（1）With pure zinc, fine aluminium and K2TaF7For raw material, according to prior art, Zn-27Al-15Ta intermediate alloys are prepared.
（2）Weigh Zn-27Al-15Ta intermediate alloys, pure zinc, pure magnesium and the fine aluminium that weight/mass percentage composition is 0.5% so that
The percentage composition of each composition is：Ta 0.07%, Mg 0.02%, Al 3%, surplus are Zn and other inevitable impurity elements.
Three kinds of pure zinc, fine aluminium and Zn-27Al-15Ta intermediate alloys raw materials are added in electric furnace and are melted to 660 DEG C, 25 minutes is incubated, protects
Alloy melt is stirred continuously during temperature, obtains zinc-aluminium-tantalum alloy melt.
（3）Pure magnesium is added into step（2）In in obtained zinc-aluminium-tantalum alloy melt, continue insulation 10 minutes, be incubated
Alloy melt is sufficiently stirred in journey, obtains zinc-aluminium-magnesium-tantalum alloy melt；
（4）By step（3）In obtained zinc-aluminium-magnesium-tantalum alloy melt be poured into after being refined in mould, after solidification
To hypoeutectic Zn-3Al-0.045Mg-0.15Ta alloys.
The institutional framework of the gained hypoeutectic Zn-3Al-0.045Mg-0.15Ta alloys of embodiment seven is carried out with ESEM
Analysis shows its be similar to Fig. 1.
Comparative example three
The process for preparing Zn-3Al-0.02Mg alloys is as follows：
（1）The fine aluminium, the pure zinc of 0.02% pure magnesium and surplus that weight/mass percentage composition is 3% are weighed, by the pure zinc weighed up and pure
Aluminium is added to electric furnace, is melted to 690 DEG C, is incubated 25 minutes, alloy melt is sufficiently stirred in insulating process, obtained
Zn-Al alloy melt.
（2）The pure magnesium weighed up is added into step（1）In in obtained Zn-Al alloy melt, continue insulation 10 minutes, insulation
During alloy melt is sufficiently stirred, obtain zinc-aluminium-magnesium alloy melt.
（3）By step（2）In obtained zinc-aluminium-magnesium alloy melt be poured into after being refined in mould, after solidification
To Zn-3Al-0.02Mg alloys.
Composition, intermediate alloy used and the tensile strength of alloy prepared by the embodiment of the present invention of table 1 and comparative example
The tensile strength that hypoeutectic zinc-aluminium-magnesium-tantalum alloy of the preparation of the present embodiment one to eight is can be seen that from the data of table 1 is equal
Higher than 210MPa, there is preferable mechanical property.By embodiment compared with the tensile strength of corresponding comparative example, this is found
The tensile strength of the hypoeutectic zinc-aluminium-magnesium-tantalum alloy prepared is invented, is all higher than no tantalum element but the close conjunction of other compositions
Gold, illustrate in alloy prepared by the present invention, the addition of tantalum element is improved with key to the mechanical property of prepared alloy
Effect.
Those skilled in the art will readily occur to the present invention its after considering specification and putting into practice the disclosure invented here
Its embodiment.It is contemplated that cover the present invention any modification, purposes or adaptations, these modifications, purposes or
Person's adaptations follow the general principle of the present invention and including undocumented common knowledges in the art of the invention
Or conventional techniques.Description and embodiments are considered only as exemplary, true scope and spirit of the invention claim
Point out.
Claims (9)
1. a kind of hypoeutectic zinc-aluminium-magnesium-tantalum alloy, it is characterised in that be made up of the composition of following weight/mass percentage composition：Ta
0.05-0.5 %, Mg 0.01-0.05%, Al 2-4.5%, surplus are Zn and other inevitable impurity elements；It is described sub- common
The matrix of brilliant zinc-aluminium-magnesium-tantalum alloy is made up of nascent η-Zn crystal grain and η-Zn+ α-Al eutectic structures；Ta elements mainly with
TaAl3-xZnxThe form of compound particles is embedded in alloy substrate, wherein, 0 ＜ x ＜ 3, part Ta elements are with the shape of atom
Formula is solid-solution in η-Zn and α-Al phases.
2. hypoeutectic zinc-aluminium-magnesium-tantalum alloy according to claim 1, it is characterised in that the percentage composition of each composition is：
0.07-0.45%, Mg 0.02-0.045%, Al 3-4%.
3. hypoeutectic zinc-aluminium-magnesium-tantalum alloy according to claim 2, it is characterised in that the percentage composition of each composition is：
Ta 0.45%, Mg 0.045%, Al 4%.
4. a kind of preparation method of hypoeutectic zinc-aluminium-magnesium-tantalum alloy as described in any one of claims 1 to 3, its feature exist
In comprising the following steps：
（1）Prepare aluminium-tantalum intermediate alloy；
（2）Pure zinc, fine aluminium and the aluminium-three kinds of tantalum intermediate alloy raw material are added in electric furnace and are melted to 680-720 DEG C, insulation
20-30 minutes, alloy melt is stirred continuously in insulating process, obtains zinc-aluminium-tantalum alloy melt；
（3）Pure magnesium is added in the zinc-aluminium-tantalum alloy melt, continues to be incubated 5-10 minutes, to alloy melt in insulating process
It is sufficiently stirred, obtains zinc-aluminium-magnesium-tantalum alloy melt；
（4）Be poured into after the zinc-aluminium-magnesium-tantalum alloy melt is refined in mould, obtained after solidification hypoeutectic zinc-
Aluminium-magnesium-tantalum alloy.
5. the preparation method of hypoeutectic zinc-aluminium-magnesium-tantalum alloy according to claim 4, it is characterised in that the aluminium-tantalum
The amount containing tantalum of intermediate alloy is 15%.
6. the preparation method of hypoeutectic zinc-aluminium-magnesium-tantalum alloy according to claim 4, it is characterised in that all raw materials
Described in the weight/mass percentage composition of aluminium-tantalum intermediate alloy be 0.5-3%.
7. a kind of preparation method of hypoeutectic zinc-aluminium-magnesium-tantalum alloy as described in any one of claims 1 to 3, its feature exist
In comprising the following steps：
（1）Prepare zinc-aluminium-tantalum intermediate alloy；
（2）Pure zinc, fine aluminium and the zinc-aluminium-three kinds of tantalum intermediate alloy raw material are added in electric furnace and are melted to 550-660 DEG C, is protected
Warm 20-30 minutes, alloy melt is stirred continuously in insulating process, obtains zinc-aluminium-tantalum alloy melt；
（3）Pure magnesium is added in the zinc-aluminium-tantalum alloy melt, continues to be incubated 5-10 minutes, to alloy melt in insulating process
It is sufficiently stirred, obtains zinc-aluminium-magnesium-tantalum alloy melt；
（4）Be poured into after the zinc-aluminium-magnesium-tantalum alloy melt is refined in mould, obtained after solidification hypoeutectic zinc-
Aluminium-magnesium-tantalum alloy.
8. the preparation method of hypoeutectic zinc-aluminium-magnesium-tantalum alloy according to claim 7, it is characterised in that the zinc-
The amount containing tantalum of aluminium-tantalum intermediate alloy is 15%, aluminum content 27%.
9. the preparation method of hypoeutectic zinc-aluminium-magnesium-tantalum alloy according to claim 7, it is characterised in that all raw materials
Described in the weight/mass percentage composition of zinc-aluminium-tantalum intermediate alloy be 0.5-3%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710621569.3A CN107447131B (en) | 2017-07-27 | 2017-07-27 | Hypoeutectic zinc-aluminium-magnesium-tantalum alloy and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710621569.3A CN107447131B (en) | 2017-07-27 | 2017-07-27 | Hypoeutectic zinc-aluminium-magnesium-tantalum alloy and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107447131A true CN107447131A (en) | 2017-12-08 |
| CN107447131B CN107447131B (en) | 2019-09-10 |
Family
ID=60489709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710621569.3A Expired - Fee Related CN107447131B (en) | 2017-07-27 | 2017-07-27 | Hypoeutectic zinc-aluminium-magnesium-tantalum alloy and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107447131B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB462052A (en) * | 1935-06-21 | 1937-02-22 | Apex Smelting Company | Improvements in zinc base alloys |
| JPS6338549A (en) * | 1986-08-01 | 1988-02-19 | Sekisui Chem Co Ltd | Zinc alloy |
| CN102534306A (en) * | 2012-01-13 | 2012-07-04 | 北京科技大学 | Zinc-aluminum-magnesium-rare earth multi-element alloy material and preparation method thereof |
| CN105132747A (en) * | 2015-09-29 | 2015-12-09 | 济南大学 | Casting zinc-aluminium alloy containing tantalum and preparation method thereof |
| CN105132743A (en) * | 2015-09-29 | 2015-12-09 | 济南大学 | Zn-Al alloy containing Ta and Te elements and preparation method thereof |
-
2017
- 2017-07-27 CN CN201710621569.3A patent/CN107447131B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB462052A (en) * | 1935-06-21 | 1937-02-22 | Apex Smelting Company | Improvements in zinc base alloys |
| JPS6338549A (en) * | 1986-08-01 | 1988-02-19 | Sekisui Chem Co Ltd | Zinc alloy |
| CN102534306A (en) * | 2012-01-13 | 2012-07-04 | 北京科技大学 | Zinc-aluminum-magnesium-rare earth multi-element alloy material and preparation method thereof |
| CN105132747A (en) * | 2015-09-29 | 2015-12-09 | 济南大学 | Casting zinc-aluminium alloy containing tantalum and preparation method thereof |
| CN105132743A (en) * | 2015-09-29 | 2015-12-09 | 济南大学 | Zn-Al alloy containing Ta and Te elements and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107447131B (en) | 2019-09-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101974709B (en) | Super-soft aluminum alloy conductor and preparation method thereof | |
| CN105296818A (en) | Aluminum alloy and preparation method and application thereof | |
| CN101509091A (en) | High-strength high-ductility Al-Zn-Mg-Cu-Sr alloy and production method | |
| CN103290264B (en) | A kind of containing strontium cast zinc alloy and preparation method thereof | |
| CN112853178B (en) | Anodic oxidation die-casting aluminum alloy and preparation method thereof | |
| CN104099502B (en) | A kind of magnesium lithium alloy and preparation method thereof and magnesium lithium alloy preparation of plates method | |
| CN110408807B (en) | Hypoeutectic Al-Si casting alloy and preparation method thereof | |
| CN101857934B (en) | Heat-resistant magnesium alloy and preparation method thereof | |
| CN106811630A (en) | A kind of aluminium alloy and its preparation method and application | |
| CN106480344A (en) | A kind of vacuum pump rotor rare-earth containing aluminium alloy and preparation method thereof | |
| CN105132747B (en) | Cast Zn-Al alloy containing tantalum and preparation method thereof | |
| CN112030047A (en) | Preparation method of high-hardness fine-grain rare earth aluminum alloy material | |
| CN105132743B (en) | Allumen containing tantalum and tellurium element and preparation method thereof | |
| CN102634700A (en) | Casting aluminum-silicon alloy inoculant, and preparation method and application thereof | |
| CN101880806B (en) | Heatproof magnesium alloy and preparation method thereof | |
| CN107419134A (en) | Allumen of hypoeutectic containing yttrium and preparation method thereof | |
| CN107447131B (en) | Hypoeutectic zinc-aluminium-magnesium-tantalum alloy and preparation method thereof | |
| CN102230117B (en) | Magnesium-aluminium-calcium wrought magnesium alloy with rare earth neodymium and preparation method thereof | |
| EP3995598B1 (en) | Aluminum alloy, preparation method therefor and aluminum alloy structural member | |
| CN101041874A (en) | Pseudo-crystal reinforced high zinc magnesium alloy and method for manufacturing same | |
| CN103361526A (en) | High-strength aluminum alloy and production method thereof | |
| CN103131898A (en) | Zirconium-containing cast zinc alloy and preparation method thereof | |
| CN105154718A (en) | Zinc-aluminum-tantalum intermediate alloy, manufacturing method for zinc-aluminum-tantalum intermediate alloy and application of zinc-aluminum-tantalum intermediate alloy | |
| CN107419135B (en) | Zinc-aluminium-yttrium Master alloy refiners and its preparation method and application | |
| US20230062077A1 (en) | Aluminum alloy and preparation method thereof, and aluminum alloy structural member |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190910 Termination date: 20200727 |