CN110093542A - Plate diecasting alloys material and preparation method in a kind of high yield high-elongation mobile phone - Google Patents
Plate diecasting alloys material and preparation method in a kind of high yield high-elongation mobile phone Download PDFInfo
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- CN110093542A CN110093542A CN201910376347.9A CN201910376347A CN110093542A CN 110093542 A CN110093542 A CN 110093542A CN 201910376347 A CN201910376347 A CN 201910376347A CN 110093542 A CN110093542 A CN 110093542A
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- mobile phone
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- diecasting alloys
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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
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
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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
- C22C1/026—Alloys based on aluminium
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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
- C22C21/00—Alloys based on aluminium
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
Abstract
The present invention relates to plate diecasting alloys materials and preparation method thereof in a kind of high yield high-elongation mobile phone, which includes Si:2.0wt%-4.0wt%；Mg:4.5wt%-6.8wt%；Mn:0.6wt%-1.2wt%；Ce:0.001wt%-1.0wt%；Cr:0.001wt%-0.5wt%；Fe:0.2wt%-1.0wt%；Ti:0.05wt%-0.25wt%, remaining Control of Impurities is in 1.0wt% hereinafter, surplus is Al.Compared with prior art, the present invention introduces multielement enhanced phase Mg by adding multielement enhanced phase Mn, Si, Mg, Ce in aluminium alloy2Si、MnAl6、CeSi2And Al11Ce3, it is obviously improved the yield strength and elongation percentage of material, so that yield strength of the material in thin-walled reaches 250-280MPa, elongation percentage reaches 6-12%.
Description
Technical field
The present invention relates to a kind of aluminium alloys, more particularly, to plate diecasting alloys material in a kind of high yield high-elongation mobile phone
Material and preparation method thereof.
Background technique
Plate refers in mobile phone, the substrate inside high-end smartphones, is mainly used for supporting interior of mobile phone circuit board, its thickness
General relatively thin, about 0.5mm or so.These service performances of plate in mobile phone, it is desirable that material intensity with higher, to guarantee its branch
Intensity needed for supportting circuit board；With the increase of mobile phone screen, board size is also increased with it in mobile phone, and its structure is simpler
It is single, it is desirable that material elongation percentage with higher；It is required that material has excellent processability, in order to punching press, low-angle bending,
Guarantee not crack when molding；It is required that material has fabulous straightness, it is easy to produce in order to guarantee the uniformity of interior of mobile phone
Molding, installation in the process etc..
Plate is using aluminum strip in traditional mobile phone, and forming method includes casting and forming and punch forming, and China is specially
Benefit application CN201710710166.6 discloses plate aluminium alloy strips and its manufacturing method in a kind of high-intensitive mobile phone.The invention
Plate aluminium alloy strips in the mobile phone produced, yield strength reach 280~330MPa, and tensile strength reaches 370-400MPa,
Elongation percentage >=10%.However this casting and forming adds the molding mode of punching press, can only form relatively simple planar structure, be used for
Meet the supporting role of plate in mobile phone, and complicated interior of mobile phone component support construction can not be made, and assembly location hole
Deng complicated structure.Meanwhile the volume of transmitted data in 5G epoch will increase, and only take temperature from chip power consumption, 5G is 2.5 times of 4G.This
Mean that thermally conductive, heat dissipation will be a huge challenge.Still based on conduction, a large amount of heat can finally be passed for current phone heat dissipation
Lead middle plate.Under severe use condition, if middle plate can not effective active heat removal, operating handset temperature will increase persistently.It reaches
To after certain temperature, CPU will protect mobile phone by automatic frequency reducing.Thus, it is badly in need of developing a kind of plate suitable for mobile phone
High yield high thermal conductivity die cast material for coping with the labyrinth of interior of mobile phone, and is capable of the high-strength mobile phone of forming superthin
Structure member.
With the update of high-end smartphones, the requirement to plate in mobile phone increasingly changes.Firstly, plate in mobile phone
Structure is more complicated, and common stamping forming aluminium strip has been unable to satisfy its design requirement, uses die casting and press moulding mode can be with
The labyrinth of interior of mobile phone is coped with, and is capable of the high-strength handset structure component of forming superthin, but traditional die casting and molding
Generation type, yield strength can only achieve 160MPa or so, and elongation percentage is below 2%.
Therefore, it is badly in need of developing a die-cast aluminum alloy material that can be adapted for thin-walled, high yield, high-elongation, thus
Plate in high performance mobile phone can quickly be manufactured.
Plate diecasting alloys material in a kind of claimed high thermal conductivity high yield mobile phone of patent application 2019101896620
And preparation method thereof, certain Zn element is added in alloy material formula, it is therefore intended that, it is formed in alloy material
MgZn2Hardening constituent, although improving the yield behavior of alloy to a certain extent, (Mg, Cu) Zn2Mutually highly brittle and and base
Easily with matrix interface peel occurs for body incoherence, and gap dislocation is easy to produce under lower stress, and formation hole, which becomes, to be split
The shortcut of line extension, and plays a part of formation of crack, when strain concentrates on crystal boundary, easily generation grain boundary fracture feature, thus it is strong
The strong low-alloyed fracture toughness of drop.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind can be to answer opponent
Labyrinth inside machine, and it is capable of the high-strength handset structure component of forming superthin, while there is the hand of high yield high-elongation
Plate diecasting alloys material and preparation method thereof in machine.The alloy yield strength reaches 250-280MPa, elongation percentage 6-12%.
The purpose of the present invention can be achieved through the following technical solutions: plate pressure in a kind of high yield high-elongation mobile phone
Cast alloy material, which is characterized in that the alloy includes Si:2.0wt%-4.0wt%；Mg:4.5wt%-6.8wt%；Mn:
0.2wt%-1.2wt%；Ce:0.001wt%-1.0wt%；Cr:0.001wt%-0.5wt%；Fe:0.1wt%-1.0wt%；
Ti:0.05wt%-0.25wt%, remaining Control of Impurities is in 1.0wt% hereinafter, surplus is Al.
Preferably, plate diecasting alloys material in a kind of high yield high-elongation mobile phone, which is characterized in that the alloy includes
Si:2.0wt%-3.0wt%；Mg:5.0wt%-6.5wt%；Mn:0.6wt%-1.2wt%；Ce:0.05wt%-1.0wt%；
Cr:0.02wt%-0.5wt%；Fe:0.2wt%-1.0wt%；Ti:0.08wt%-0.25wt%, remaining Control of Impurities exist
1.0wt% is hereinafter, surplus is Al.
Described Si, Mg, Mn and the Fe is added in the form of simple substance, wherein being in side length by Si, Mg, Mn and Fe simple substance preprocessing
It for the cube of 10cm, then puts into molten aluminum, forms Mg2Si、MnAl6Binary precipitated phase.
Described Ce, Cr and the Ti is added in the form of mesophase alloy, is closed using among Al-Ce, Al-Cr and Al-Ti
Gold, and preprocessing is nanometer powdery.
The Ce and Si, Al forms CeSi2And Al11Ce3Binary precipitated phase, Cr and Al, Fe, Mn form ternary precipitated phase
(CrFe)Al7(CrMn) Al12。
The preparation method of plate diecasting alloys material in above-mentioned high yield high-elongation mobile phone, which is characterized in that including with
Lower step:
1) high-purity aluminium element is put into heating furnace, is heated to 600 DEG C, melt heat preservation 15min completely；
2) 750 DEG C are warming up to, Si, Mn and Fe simple substance element is added；
3) 780 DEG C are warming up to, Ce, Cr and Ti mesophase alloy nano powder is added；
4) 7000 DEG C are cooled to, pure Mg metal material is added；
5) after raw material all melts, casting obtains aluminium alloy castings.
Since refining agent element has certain influence to the intensity of material and elongation percentage, and what the material was all made of is high-purity
Material and the element of preprocessing, therefore this alloy material is not using refining.
After alloy material is cast into ingot casting, storage is stand-by.
Step (5) obtains aluminium alloy castings and melts and keep the temperature again at 650 DEG C, and material when heat preservation needs to guarantee and air
It is passed through nitrogen and air exclusion when isolation, generally heat preservation, is then injected into die casting, molding obtains plate in mobile phone.
The die casting is die heater, maintains the temperature at 250~350 DEG C in advance, using injection speed 4m/s, melting
Aluminium alloy castings by high speed, high pressure, high-temperature difference moment high solid solubility fast cooling shaping, will be a large amount of to reach
The element solid solutions such as Mg, Si, Ce, Mn, Cr in Al matrix, meanwhile, the addition of Ti and Ce reduce the distortion of lattice of aluminum substrate, have
Help produce plate aluminum alloy components in the mobile phone for reaching high yield high-elongation.
Plate yield strength reaches 250-280MPa, elongation percentage 6-12% in the mobile phone.
Compared with prior art, the invention has the following advantages:
1. introducing hardening constituent Mg by adding Si, Mn, Fe and Ce in aluminium alloy2Si、MnAl6、CeSi2And Al11Ce3,
It is obviously improved the yield strength of material.
2. adding Mg and Si phase simultaneously in aluminium, it is added with 2.5~1.73:1 ratio, generates Mg2Si hardening constituent, mention
Rise the yield strength of material.And it keeps Mg element in alloy slightly to have more than needed, can reduce to generate in alloying element in this way and come into being
Si phase, to reduce Hard Inclusion.
3. can significantly increase the intensity and elongation percentage of aluminium alloy by the addition of Ce.Ce element and Si Elements C eSi2
And Al11Ce3Compound disperses particle has grown up inhibition to recrystal grain, improves recrystallization temperature, and can significantly refine
Recrystal grain improves the elongation percentage of Al-Si-Mg.And Ce element is to the Mg in matrix2Si phase also has rotten effect well
Fruit, as Ce content increases, the average length of Chinese character shape Mg2Si phase significantly reduces, and the pattern of eutectic Mg2Si phase is by coarse
Chinese character shape is changed into multilateral shape.This is because, according to Mg-Si, Ce-Si and Al-Ce binary phase diagraml, CeSi2The fusing point of phase
(1240 DEG C) are higher than nascent Mg2Si phase (1085 DEG C), eutectic Mg2Si phase (637.6 DEG C) and Al11Ce3Phase (640 DEG C).It was solidifying
CeSi is first precipitated in alloy in Cheng Zhong2Secondly nascent Mg is precipitated in phase2Si phase, and the tiny CeSi being preferentially produced2It mutually can be used as different
Matter forming core core promotes polygon Mg2The formation of Si phase, last Al11Ce3Phase and eutectic Mg2Si phase is precipitated from liquid phase jointly, more
Dissipate the Al of distribution11Ce3Mutually inhibit Chinese character shape Mg2The growth of Si phase.
4. chromium forms (CrFe) Al in aluminium7(CrMn) Al12Equal intermetallic compounds hinder the forming core and length of recrystallization
Big process has certain invigoration effect to alloy, moreover it is possible to improve alloy ductility.Manganese can prevent the recrystallization process of aluminium alloy, mention
High recrystallization temperature, and can significantly refine recrystal grain.The refinement of recrystal grain mainly passes through MnAl6 compound disperses
Particle has grown up inhibition to recrystal grain.MnAl6Another effect be can dissolved impurity iron, formed (Fe, Mn) Al6, subtract
The adverse effect of small iron.
4. passing through the addition of more trace elements Cr, Ti, the second phase enhancing of a large amount of Dispersed precipitates of precipitation that can be micro
Phase, and crystal grain is refined, to further promote the elongation percentage of material.
Detailed description of the invention
Fig. 1 is the metallographic structure figure under 1000 times of scanning electron microscope of the present invention, wherein highlighting as CeSi2、Al11Ce3Reinforced phase,
Light gray is Mg2Si reinforced phase.
Specific embodiment
It elaborates below to the embodiment of the present invention, the present embodiment carries out under the premise of the technical scheme of the present invention
Implement, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to following implementation
Example.
Embodiment 1-10:
A kind of high yield high-elongation thin-walled pack alloy, the ingredient including mass percentage described in following table 1 are remaining
Amount is aluminium and inevitable impurity.
Si:1.8wt%-4.0wt%；Mg:4.0wt%-7.0wt%；Mn:0.1wt%-1.2wt%；Ce < 1.0wt%；
Cu < 0.5wt%；Cr < 0.5wt%；Fe:0.1wt%-1.0wt%；Ti:0.01wt%-0.25wt%, remaining Control of Impurities exist
0.1wt% is hereinafter, surplus is Al.
Table 1 is plate performance table in each element content table in the aluminium alloy of embodiment 1-10 and thus obtained mobile phone
Aluminium alloy described in the various embodiments described above the preparation method comprises the following steps:
1) quality of intermediate alloy needed for calculating according to the ratio, stocks up；
2) high-purity aluminium element is put into heating furnace, is heated to 600 DEG C, melt heat preservation 15min completely；
3) 750 DEG C are warming up to, Si, Mn and Fe simple substance element is added；Described Si, Mn and the Fe is added in the form of simple substance,
The cube for being wherein 10cm in side length by Si, Mn and Fe simple substance preprocessing, facilitates material and rapidly and uniformly dissolves, then put into
In molten aluminum, Mg is formed2Si、MnAl6And Al3Fe。
4) 780 DEG C are warming up to, Ce, Cr and Ti mesophase alloy nano powder is added；Described Ce, Cr and the Ti is harmonious with centre
Golden form is added, and using use Al-Ce, Al-Cr and Al-Ti intermediate alloy, and preprocessing is nanometer powdery, is conducive to it
Quick uniform in the material melts.
5) 700 DEG C are warming up to, pure Mg metal material is added；
6) after raw material all melts, casting obtains aluminium alloy castings.Since refining agent element is to the intensity and extension of material
Rate has certain influence, and the material be all made of be high-purity material and preprocessing element, therefore this alloy material is not adopted
With refining.After alloy material is cast into ingot casting, storage is stand-by.
7) aluminium alloy castings are obtained and melts and keeps the temperature again at 650 DEG C, material when heat preservation needs to guarantee and air exclusion,
It is passed through nitrogen and air exclusion when general heat preservation, is then injected into die casting, molding obtains plate in mobile phone.The die casting
For die heater, maintain the temperature at 250~350 DEG C in advance, using injection speed 4m/s, the aluminium alloy castings of melting by high speed,
The moment high solid solubility fast cooling shaping of high pressure, high-temperature difference, to reach elements such as a large amount of Mg, Si, Ce, Mn, Cr
It is solid-solubilized in Al matrix, meanwhile, the addition of Ti and Ce reduce the distortion of lattice of aluminum substrate, help to produce and reach high yield
Plate aluminum alloy components in the mobile phone of high-elongation.As shown in Figure 1, highlighting as CeSi2、Al11Ce3Reinforced phase, light gray are
Mg2Si reinforced phase, it can be seen that by adding Si, Mn, Fe and Ce in aluminium alloy, introduce hardening constituent Mg2Si、MnAl6、CeSi2
And Al11Ce3, it is obviously improved the yield strength of material.
The performance of plate is as follows in mobile phone made from each embodiment:
Three bendings break test:
| Serial number | Break mode | Break power (N) | Break displacement (mm) | Residual displacement (mm) |
| 1 | Front is broken | 374.17 | 20.21 | 28.63 |
| 2 | Front is broken | 363.42 | 18.43 | 22.05 |
| 3 | Front is broken | 354.67 | 19.78 | 28.01 |
| 4 | Front is broken | 367.28 | 25.27 | 25.42 |
| Comparative example 1 | Front is broken | 326.31 | 9.07 | 9.26 |
| Comparative example 2 | Front is broken | 318.42 | 8.92 | 9.01 |
| Comparative example 3 | Front is broken | 323.37 | 8.34 | 8.78 |
| Comparative example 4 | Front is broken | 296.5 | 7.54 | 8.59 |
| 5 | Reverse side is broken | 350.2 | 16.34 | 25.03 |
| 6 | Reverse side is broken | 342.7 | 16.02 | 22.02 |
| 7 | Reverse side is broken | 367.72 | 17.02 | 24.45 |
| 8 | Reverse side is broken | 368.14 | 16.14 | 25.24 |
| Comparative example 5 | Reverse side is broken | 303.12 | 8.24 | 8.32 |
| Comparative example 6 | Reverse side is broken | 290.12 | 8.32 | 8.43 |
| Comparative example 7 | Reverse side is broken | 299.02 | 8.12 | 8.32 |
| Comparative example 8 | Reverse side is broken | 317.84 | 8.72 | 8.84 |
Above embodiments show that die-cast aluminum alloy material of the invention has excellent mechanical property and cast form performance
The characteristics of, and being cast into after practical casting still is more than 250-280MPa, elongation percentage 6-12% mechanics with yield strength
Performance.Compared to comparative example 1-8, the elongation percentage of die-cast aluminum alloy material of the invention is obviously improved, so that breaking displacement
It is 2-3 times of traditional diecasting alloys material, and breaks power also above traditional aluminum alloy materials.Therefore, die casting of the invention is closed
Gold can be used to make plate in mobile phone, meet shape need complicated and changeable, and in mobile phone plate average wall thickness 0.5mm, together
The mechanical property and heat dissipation performance of Shi Gaishan product.
It should be noted that above-described embodiment is only the section Example for realizing preferred embodiment of the invention, Er Feiquan
Portion's embodiment.Obviously, it is based on the above embodiment of the present invention, those of ordinary skill in the art are not making creative work
Under the premise of other all embodiments obtained, should fall within the scope of the present invention.
Claims (9)
1. plate diecasting alloys material in a kind of high yield high-elongation mobile phone, which is characterized in that the alloy includes Si:
2.0wt%-4.0wt%；Mg:4.5wt%-6.8wt%；Mn:0.2wt%-1.2wt%；Ce:0.001wt%-1.0wt%；
Cr:0.001wt%-0.5wt%；Fe:0.1wt%-1.0wt%；Ti:0.05wt%-0.25wt%, remaining Control of Impurities exist
1.0wt% is hereinafter, surplus is Al.
2. plate diecasting alloys material in a kind of high yield high-elongation mobile phone, which is characterized in that the alloy includes Si:
2.0wt%-3.0wt%；Mg:5.0wt%-6.5wt%；Mn:0.6wt%-1.2wt%；Ce:0.05wt%-1.0wt%；Cr:
0.02wt%-0.5wt%；Fe:0.2wt%-1.0wt%；Ti:0.08wt%-0.25wt%, remaining Control of Impurities exist
1.0wt% is hereinafter, surplus is Al.
3. plate diecasting alloys material in high yield high-elongation mobile phone according to claim 1, which is characterized in that described
Si, Mg, Mn and Fe added in the form of simple substance, wherein by Si, Mg, Mn and Fe simple substance preprocessing in side length be 10cm cube
Body, then put into molten aluminum, form Mg2Si、MnAl6Binary precipitated phase.
4. plate diecasting alloys material in high yield high-elongation mobile phone according to claim 1, which is characterized in that described
Ce, Cr and Ti be added in the form of mesophase alloy, using Al-Ce, Al-Cr and Al-Ti intermediate alloy, and preprocessing is
Nanometer powdery.
5. plate diecasting alloys material in high yield high-elongation mobile phone according to claim 4, which is characterized in that described
Ce and Si, Al formed CeSi2And Al11Ce3Binary precipitated phase, Cr and Al, Fe, Mn form ternary precipitated phase (CrFe) Al7With
(CrMn)Al12。
6. the system of plate diecasting alloys material in a kind of high yield high-elongation mobile phone as described in any in Claims 1 to 5
Preparation Method, which comprises the following steps:
1) high-purity aluminium element is put into heating furnace, is heated to 600 DEG C, melt heat preservation 15min completely；
2) 750 DEG C are warming up to, Si, Mn and Fe simple substance element is added；
3) 780 DEG C are warming up to, Ce, Cr and Ti mesophase alloy nano powder is added；
4) 7000 DEG C are cooled to, pure Mg metal material is added；
5) after raw material all melts, casting obtains aluminium alloy castings.
7. the preparation method of plate diecasting alloys material in high yield high-elongation mobile phone according to claim 5, special
Sign is that step (5) obtains aluminium alloy castings and melts and keep the temperature again at 650 DEG C, and when heat preservation is passed through nitrogen and air exclusion, so
After inject die casting, molding obtains plate in mobile phone.
8. the preparation method of plate diecasting alloys material in high yield high-elongation mobile phone according to claim 6, special
Sign is that the die casting is die heater, maintains the temperature at 250~350 DEG C in advance, using injection speed 4m/s, melting
Aluminium alloy castings by high speed, high pressure, high-temperature difference moment high solid solubility fast cooling shaping.
9. the preparation method of plate diecasting alloys material in high yield high-elongation mobile phone according to claim 7, special
Sign is that plate yield strength reaches 250-280MPa, elongation percentage 6-12% in the mobile phone.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455236A (en) * | 2020-03-04 | 2020-07-28 | 广东慧驰合金材料科技有限公司 | Die-casting aluminum alloy material for high-strength high-toughness mobile phone middle plate and preparation method of die-casting aluminum alloy material |
| CN111575545A (en) * | 2020-05-30 | 2020-08-25 | 苏州慧金新材料科技有限公司 | High-strength die-casting alloy material for mobile phone middle plate and preparation method and application thereof |
| CN114921675A (en) * | 2022-05-27 | 2022-08-19 | 国网河南省电力公司电力科学研究院 | Wear-resistant aluminum alloy and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106319306A (en) * | 2016-11-14 | 2017-01-11 | 苏州慧驰轻合金精密成型科技有限公司 | High-strength high-toughness die-casting aluminum alloy and preparation method thereof |
| CN107937770A (en) * | 2017-11-23 | 2018-04-20 | 湖州亨达铝业有限公司 | A kind of preparation method of highly corrosion resistant marine aluminium alloy |
| CN108300917A (en) * | 2018-02-07 | 2018-07-20 | 宁波合力模具科技股份有限公司 | A kind of special pack alloy of large complicated automobile structure and preparation method thereof |
| CN109097642A (en) * | 2018-06-25 | 2018-12-28 | 苏州慧驰轻合金精密成型科技有限公司 | Suitable for sharing the high-strength and high ductility die-cast aluminum alloy material and preparation method of bicycle |
-
2019
- 2019-05-07 CN CN201910376347.9A patent/CN110093542B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106319306A (en) * | 2016-11-14 | 2017-01-11 | 苏州慧驰轻合金精密成型科技有限公司 | High-strength high-toughness die-casting aluminum alloy and preparation method thereof |
| CN107937770A (en) * | 2017-11-23 | 2018-04-20 | 湖州亨达铝业有限公司 | A kind of preparation method of highly corrosion resistant marine aluminium alloy |
| CN108300917A (en) * | 2018-02-07 | 2018-07-20 | 宁波合力模具科技股份有限公司 | A kind of special pack alloy of large complicated automobile structure and preparation method thereof |
| CN109097642A (en) * | 2018-06-25 | 2018-12-28 | 苏州慧驰轻合金精密成型科技有限公司 | Suitable for sharing the high-strength and high ductility die-cast aluminum alloy material and preparation method of bicycle |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455236A (en) * | 2020-03-04 | 2020-07-28 | 广东慧驰合金材料科技有限公司 | Die-casting aluminum alloy material for high-strength high-toughness mobile phone middle plate and preparation method of die-casting aluminum alloy material |
| CN111575545A (en) * | 2020-05-30 | 2020-08-25 | 苏州慧金新材料科技有限公司 | High-strength die-casting alloy material for mobile phone middle plate and preparation method and application thereof |
| CN114921675A (en) * | 2022-05-27 | 2022-08-19 | 国网河南省电力公司电力科学研究院 | Wear-resistant aluminum alloy and preparation method thereof |
| CN114921675B (en) * | 2022-05-27 | 2023-09-08 | 国网河南省电力公司电力科学研究院 | Wear-resistant aluminum alloy and preparation method thereof |
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