CN105506424A - High-copper-content high-corrosion-resistance rare earth aluminum alloy and preparation method and application thereof - Google Patents
High-copper-content high-corrosion-resistance rare earth aluminum alloy and preparation method and application thereof Download PDFInfo
- Publication number
- CN105506424A CN105506424A CN201610014799.9A CN201610014799A CN105506424A CN 105506424 A CN105506424 A CN 105506424A CN 201610014799 A CN201610014799 A CN 201610014799A CN 105506424 A CN105506424 A CN 105506424A
- Authority
- CN
- China
- Prior art keywords
- rare earth
- alloy
- corrosion resistant
- corrosion
- aluminium 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
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/18—Alloys based on aluminium with copper as the next major constituent with zinc
-
- 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
-
- 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
-
- 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
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
-
- 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
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/14—Alloys based on aluminium with copper as the next major constituent with silicon
-
- 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
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
-
- 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
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/043—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon 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
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/057—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with copper as the next major constituent
Abstract
The invention discloses a high-copper-content high-corrosion-resistance rare earth aluminum alloy and a preparation method and application thereof. The aluminum alloy is prepared from, by weight, 0.3-1.5% of Si, smaller than 0.7% of Fe, 0.8-1.2% of Cu, 0.8-1.8% of Mn, 0.1-0.3% of Zn, one or two of 0.15-0.3% of Sm or 0.15-0.3% of Y, and the balance unavoidable impurities and Al. According to the high-copper-content high-corrosion-resistance rare earth aluminum alloy, the number of needle holes in aluminum foil materials can be significantly reduced, the yield of the heat exchanger aluminum foil materials is improved, and the tensile strength, yield strength and droop resistance of the alloy are improved.
Description
Technical field
The present invention relates to the aluminium alloy containing rare earth element and manufacture method thereof.
Background technology
In recent years, traffic and transportation system, engineering cooling system and family expenses commercial refrigerating device are more next high to the pursuit reducing discharging, subtract consumption and environmental protection, and its related products and component also pursue light weight, efficient and low cost further.Particularly sizable brazing sheet or the fin being applied to car heat exchanger of consumption, major part producer all designs at the porous flat pipe of exploitation narrower (width), shorter (highly), thinner (wall thickness), to realize the compact efficient of interchanger.And the research and development focus that lighter weight, higher efficiency, lower cost are had higher requirement to the mechanical property of brazing sheet and fin, corrosion resisting property, have high strength, the aluminium alloy of long life becomes Heat transmission aluminium alloy.
Strengthening the intensity of Heat transmission aluminium alloy and corrosion resisting property is that it can realize light weight, the efficient and key problem in technology that reduces costs, only have when Heat transmission aluminium alloy reaches higher post braze strength, and do not endanger after brazing sagging resistance and solidity to corrosion time, just allow to use the thinner radiator element with high strength after soldering, thus weight reduction compared with the product used at present.Post braze strength and the solidity to corrosion of the current product of aluminium foil alloy production business are both at home and abroad all poor, and major part still rests on and adopts AA3003 aluminium alloy to produce Heat transmission material, and its post braze yield strengths value only has about 45MPa.
Patent CN104271289A discloses a kind of new HT aluminum alloy body and preparation method thereof, this aluminium alloy contains higher Mg content, during soldering, higher Mg content easily spreads and causes material to turn black, be not suitable for Heat transmission material, and corrosion resistance nature does not also carry out correlative study, the requirement that Heat transmission product alloy intensity and solidity to corrosion improve day by day can not be met.
Summary of the invention
High strength corrosion resistant rare earth aluminium alloy that the object of this invention is to provide a kind of high copper content and its preparation method and application, to overcome the above-mentioned defect that prior art exists.
The high strength corrosion resistant rare earth aluminium alloy of described high copper content, its material composition and weight percent content as follows:
The Si of 0.3-1.5wt%, is less than the Fe of 0.7wt%, one or both in the Y of Sm or 0.15-0.3wt% of the Zn of the Mn of the Cu of 0.8-1.2wt%, 0.8-1.8wt%, 0.1-0.3wt%, 0.15-0.3wt%, and surplus is inevitable impurity and Al;
Preferably, the high strength corrosion resistant rare earth aluminium alloy of described high copper content, its material composition and weight percent content as follows:
The Si of 0.32-1.48wt%, is less than the Fe of 0.7wt%, the Cu of 0.96-1.11wt%, the Mn of 0.9-1.7wt%, one or both in the Y of Sm or 0.17-0.22wt% of the Zn of 0.13-0.21wt%, 0.18-0.22wt%, surplus is inevitable impurity and Al;
Preferably, described Al is the fine aluminium that purity is greater than 99.85%, and Zn is industrial-purity zinc;
Preferably, described Si, Fe are the ferro-aluminum master alloy of 75%, and Cu is the aluminum bronze intermediate alloy of 50%, and Mn, Sm are the aluminium samarium master alloy of 10%, and Y is the aluminium yttrium master alloy in 10%.
The preparation method of the high strength corrosion resistant rare earth aluminium alloy of described high copper content, comprises the following steps:
(1) by alloy according to proportioning, carry out batching melting, prepare ingot casting;
(2) to ingot casting homogenizing annealing 12-14h at 500 DEG C-550 DEG C;
(3) to ingot casting excision rising head, then processing milling face is carried out;
(4) be heated to 470-500 DEG C in the lehr behind milling face, carry out hot rolling, finishing temperature 310-340 DEG C after insulation 2-3h, roll and be as thin as 3-4mm;
(5) then cold rolling final pass working modulus 30-40%, rolls and is as thin as 50-80 μm;
(6) then anneal 1-2h at 360-380 DEG C.
Term " cold rolling final pass working modulus " is defined as follows:
In the cold rolling finished product operation of rolling, the calculated value of amounts of thickness variation before and after a certain passes.If pass reduction is S, before such as rolling, thickness is A, and rolling post pass thickness becomes B, and so its pass reduction is: S=(A-B)/A%.
The high strength corrosion resistant rare earth aluminium alloy of high copper content of the present invention, can be used for preparing Heat transmission equipment.
Product of the present invention is added with Cu and rare earth element Sm and Y of high level, the intensity of alloy can be significantly improved, and by adding the alloying of rare earth element Sm and Y and Cu, the galvanic corrosion effect of the cupric phase that inhibit positive polarity very high, while making the aluminium alloy adding high Cu content have high-strength performance, maintain good corrosion resisting property.Simultaneously, samarium and yttrium are degassed to aluminium alloy except what have that general rare earth element has, and slagging-off is rotten, thin crystalline substance, improve intensity of aluminum alloy and corrosion proof beneficial effect, and Sm and Y is larger than the solubleness of other rare earth elements in aluminium alloy, precipitated phase particle small and dispersed, can not as adding Rare-Earth Ce, the aluminium alloy of La can form thicker precipitated phase, significantly can reduce the pin hole of aluminum foil material, improve the yield rate of aluminium foil of heat exchanger material.
The present invention utilizes multicomponent microalloying element Rare Earth Y, Sm unit usually overcomes the high macrobead compound that easily formed of Mn and Fe content and brings disadvantageous effect.Because alloy adds rare-earth yttrium, samarium element, in these element disperse matrixes, form manganese, iron cpd forming core core, cause containing manganese, iron cpd refinement, tiny ferrimanganic compound hinders recrystallize, improves alloy strength and moulding.The elements such as unnecessary iron, manganese, to the spherical phase segregation of high rare earth, thus make the grain boundaries impurity element of final set greatly reduce, have purified crystal boundary, the brittlement phase of grain boundaries high ferro is reduced, and grain-boundary strength improves; And the some chain compound of grain boundaries distribution be low iron, composition phase containing rare earth, plasticity, close to the compound of aluminum substrate, makes plasticity improve.And add Rare Earth Y and Sm and form high-melting-point rare-earth yttrium and samarium compound, these high-melting-point rare earth compound corrosion current potentials and matrix corrosion current potential close, rare earth compound and and matrix electromotive force comparison match, decrease micro-galvanic corrosion, aluminum foil material is had good solidity to corrosion.In addition, due to the multiple strengthening effect such as disperse, solid solution, texture strengthening of Samarium Nitrate and yttrium microalloying, strength of alloy, yield strength and sagging resistance can also be improved.
Embodiment
The present invention will describe in detail by the following examples, should notice that embodiments of the invention just to make an explanation explanation to content of the present invention, not form the restriction to technical solution of the present invention.
The composition of embodiments of the invention and comparative example alloy is as shown in table 1, and symbol "-" represents that this element does not add.
Table 1 alloying constituent composition (wt%)
| Numbering | Si | Fe | Mn | Cu | Zn | Sm | Y | Al |
| Embodiment 1 | 0.32 | 0.43 | 0.90 | 0.96 | 0.13 | 0.18 | 0.17 | Surplus |
| Embodiment 2 | 0.73 | 0.52 | 1.58 | 0.98 | 0.21 | 0.19 | 0.22 | Surplus |
| Embodiment 3 | 1.48 | 0.45 | 1.70 | 1.11 | 0.16 | 0.22 | 0.22 | Surplus |
| Comparative example 1 | 0.61 | 0.62 | 0.86 | 1.04 | 0.11 | - | - | Surplus |
| Comparative example 2 | 0.83 | 0.52 | 0.95 | - | 0.14 | 0.21 | 0.18 | Surplus |
| Comparative example 3 | 0.82 | 0.44 | 0.82 | - | 0.15 | - | - | Surplus |
Embodiment 1
Preparation method:
(1) alloy is carried out proportioning according to embodiment in table 11 composition, adopt Aluminium Alloys in Common Use melting technology to carry out melting, be cast into tabular ingot casting;
(2) then to ingot casting homogenizing annealing 14h at 500 DEG C;
(3) cutting milling face is carried out to described ingot casting, remove feeders and epidermis;
(4) be heated to 470 DEG C in the lehr behind milling face, insulation 3h, carry out hot rolling, finishing temperature 310 DEG C, rolls and is as thin as 4mm;
(5) cold rolling, final pass working modulus 30%, rolls and is as thin as 50 μm;
(6) then anneal 2h at 360 DEG C.
Embodiment 2
(1) alloy is carried out proportioning according to embodiment in table 12 composition, adopt Aluminium Alloys in Common Use melting technology to carry out melting, be cast into tabular ingot casting;
(2) then to ingot casting homogenizing annealing 12h at 550 DEG C;
(3) cutting milling face is carried out to described ingot casting, remove feeders and epidermis;
(4) be heated to 500 DEG C in the lehr behind milling face, insulation 2h, carry out hot rolling, finishing temperature 340 DEG C, rolls and is as thin as 3mm;
(5) cold rolling, final pass working modulus 40%, rolls and is as thin as 80 μm;
(6) then anneal 1h at 380 DEG C.
Embodiment 3
(1) alloy is carried out proportioning according to embodiment in table 13 composition, adopt Aluminium Alloys in Common Use melting technology to carry out melting, be cast into tabular ingot casting;
(2) then to ingot casting homogenizing annealing 13h at 530 DEG C;
(3) cutting milling face is carried out to described ingot casting, remove feeders and epidermis;
(4) be heated to 480 DEG C in the lehr behind milling face, insulation 2h, carry out hot rolling, finishing temperature 320 DEG C, rolls and is as thin as 3.5mm;
(5) cold rolling, final pass working modulus 40%, rolls and is as thin as 60 μm;
(6) then anneal 1.5h at 370 DEG C.
Comparative example 1-2
Alloy is according to the proportioning of comparative example in table 11 ~ 2, and preparation method is with embodiment 1.
Comparative example 3
Alloy is according to the proportioning of comparative example in table 11 ~ 2, and preparation method is with embodiment 2.
Embodiment 1-2 and comparative example 1-3 the performance test results are in table 2.
After simulation soldering being carried out to invention material and comparative example material in table 2, test its mechanical property and corrosion resisting property:
Yield strength, tensile strength adopt GB/T228-2002 metallic substance tensile testing at ambient temperature to detect;
Polarized potential adopts ASTM_G69-97 standard detection;
Rate of weight loss test adopts water bath with thermostatic control to soak sample, and sample, after sanding and polishing cleaning, measures the quality (m of sample
0) and size, sample soaks 14 days in the water bath with thermostatic control of 35 DEG C.After experiment terminates, sample is soaked 15min in the salpeter solution of 30% solubility, then with water cleaning, dry, record residual mass (m
1), rate of weight loss is (m
0-m
1)/m
1.
Table 2 embodiment and comparative example the performance test results
As seen from the above table, embodiments of the invention 1-3 is compared with comparative example 1, and owing to adding appropriate Samarium Nitrate and yttrium, corrosion resistance nature is significantly improved; Compared with comparative example 2, owing to adding higher Cu content, yield strength and tensile strength significantly improve; Compared with comparative example 3, owing to adding high copper content and appropriate rare earth element, mechanical property obtains remarkable lifting, and maintains good corrosion resistance nature.
Claims (5)
1. the high strength corrosion resistant rare earth aluminium alloy of high copper content, it is characterized in that, its material composition and weight percent content as follows: the Si of 0.3-1.5wt%, be less than the Fe of 0.7wt%, the Zn of the Mn of the Cu of 0.8-1.2wt%, 0.8-1.8wt%, 0.1-0.3wt%, one or both in the Y of Sm or 0.15-0.3wt% of 0.15-0.3wt%, surplus is inevitable impurity and Al.
2. the high strength corrosion resistant rare earth aluminium alloy of high copper content, it is characterized in that, its material composition and weight percent content as follows: the Si of 0.32-1.48wt%, be less than the Fe of 0.7wt%, the Zn of the Mn of the Cu of 0.96-1.11wt%, 0.9-1.7wt%, 0.13-0.21wt%, one or both in the Y of Sm or 0.17-0.22wt% of 0.18-0.22wt%, surplus is inevitable impurity and Al.
3. the high strength corrosion resistant rare earth aluminium alloy of high copper content according to claim 1 and 2, is characterized in that, described Al is the fine aluminium that purity is greater than 99.85%, and Zn is industrial-purity zinc; Described Si, Fe are the ferro-aluminum master alloy of 75%, and Cu is the aluminum bronze intermediate alloy of 50%, and Mn, Sm are the aluminium samarium master alloy of 10%, and Y is the aluminium yttrium master alloy in 10%.
4. the preparation method of the high strength corrosion resistant rare earth aluminium alloy of the high copper content according to any one of claims 1 to 3, is characterized in that, comprise the following steps:
(1) by alloy according to proportioning, carry out batching melting, prepare ingot casting;
(2) to ingot casting homogenizing annealing 12-14h at 500 DEG C-550 DEG C;
(3) to ingot casting excision rising head, then processing milling face is carried out;
(4) be heated to 470-500 DEG C in the lehr behind milling face, carry out hot rolling, finishing temperature 310-340 DEG C after insulation 2-3h, roll and be as thin as 3-4mm;
(5) then cold rolling final pass working modulus 30-40%, rolls and is as thin as 50-80 μm;
(6) then anneal 1-2h at 360-380 DEG C.
5. the application of the high strength corrosion resistant rare earth aluminium alloy of the high copper content according to any one of claims 1 to 3, is characterized in that, for the preparation of Heat transmission equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610014799.9A CN105506424B (en) | 2016-01-11 | 2016-01-11 | High strength corrosion resistant rare earth aluminium alloy of high copper content and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610014799.9A CN105506424B (en) | 2016-01-11 | 2016-01-11 | High strength corrosion resistant rare earth aluminium alloy of high copper content and its preparation method and application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105506424A true CN105506424A (en) | 2016-04-20 |
| CN105506424B CN105506424B (en) | 2018-05-01 |
Family
ID=55714714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610014799.9A Active CN105506424B (en) | 2016-01-11 | 2016-01-11 | High strength corrosion resistant rare earth aluminium alloy of high copper content and its preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105506424B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326226A (en) * | 2017-07-06 | 2017-11-07 | 华峰日轻铝业股份有限公司 | A kind of auto radiator fin anticorodal foil and its manufacture method |
| CN107794421A (en) * | 2017-10-30 | 2018-03-13 | 华峰日轻铝业股份有限公司 | A kind of high intensity aluminum bronze manganese magnesium samarium alloy for casing of lithium ion battery |
| CN109280816A (en) * | 2018-10-31 | 2019-01-29 | 宁波汇通机械联接件有限公司 | A kind of aluminium screw joint |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1349456A (en) * | 1999-04-14 | 2002-05-15 | 克里斯铝轧制品有限公司 | Brazing sheet |
| WO2011034496A2 (en) * | 2009-09-17 | 2011-03-24 | Sapa Heat Transfer Ab | Aluminium brazing sheet |
| CN102286679A (en) * | 2011-09-02 | 2011-12-21 | 上海交通大学 | Rare earth aluminum alloy used for heat exchanger and preparation method thereof |
| CN103667809A (en) * | 2013-12-30 | 2014-03-26 | 上海华峰新材料研发科技有限公司 | High-strength anti-corrosion samarium-yttrium rare earth aluminum alloy for heat exchanger and manufacturing method thereof |
| CN104745895A (en) * | 2010-05-18 | 2015-07-01 | 株式会社神户制钢所 | Aluminum alloy brazing sheet |
-
2016
- 2016-01-11 CN CN201610014799.9A patent/CN105506424B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1349456A (en) * | 1999-04-14 | 2002-05-15 | 克里斯铝轧制品有限公司 | Brazing sheet |
| WO2011034496A2 (en) * | 2009-09-17 | 2011-03-24 | Sapa Heat Transfer Ab | Aluminium brazing sheet |
| CN104745895A (en) * | 2010-05-18 | 2015-07-01 | 株式会社神户制钢所 | Aluminum alloy brazing sheet |
| CN102286679A (en) * | 2011-09-02 | 2011-12-21 | 上海交通大学 | Rare earth aluminum alloy used for heat exchanger and preparation method thereof |
| CN103667809A (en) * | 2013-12-30 | 2014-03-26 | 上海华峰新材料研发科技有限公司 | High-strength anti-corrosion samarium-yttrium rare earth aluminum alloy for heat exchanger and manufacturing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 任颂赞等: "《金相分析原理与技术》", 31 August 2013, 上海科学技术文献出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326226A (en) * | 2017-07-06 | 2017-11-07 | 华峰日轻铝业股份有限公司 | A kind of auto radiator fin anticorodal foil and its manufacture method |
| CN107794421A (en) * | 2017-10-30 | 2018-03-13 | 华峰日轻铝业股份有限公司 | A kind of high intensity aluminum bronze manganese magnesium samarium alloy for casing of lithium ion battery |
| CN109280816A (en) * | 2018-10-31 | 2019-01-29 | 宁波汇通机械联接件有限公司 | A kind of aluminium screw joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105506424B (en) | 2018-05-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106350716B (en) | A kind of high intensity appearance member aluminum alloy materials and preparation method thereof | |
| CN101403080B (en) | Thermal treatment process for erbium-containing aluminum-magnesium-manganese wrought aluminium alloy | |
| CN105296811A (en) | High-strength 6xxx aluminum alloy for mobile phone parts and machining method thereof | |
| CN105220037B (en) | Super-strength anti-corrosion easy-to-cut aluminum alloy radiating material, preparation method and applications | |
| CN102634707B (en) | Ultrahigh-strength aluminum lithium alloy and thermal treatment technology | |
| US20110146938A1 (en) | Highly corrosion-resistant aluminum alloy for heat exchanger tube and method for manufacturing heat exchanger tube using the same | |
| CN103103405A (en) | Multi-element micro-alloyed high-strength aluminum-manganese alloy and preparation method thereof | |
| CN103667809B (en) | High-strength anti-corrosion samarium-yttrium rare earth aluminum alloy for heat exchanger and manufacture method thereof | |
| CN104694800A (en) | High-strength light Al-Mg-Zn alloy | |
| CN104532077A (en) | Short-flow preparation method for 6XXX-series aluminum alloy automotive body sheet without paint brushed lines | |
| CN104975209A (en) | 6000 series aluminum alloy material with high natural aging stability, aluminum alloy plate and preparing method of aluminum alloy plate | |
| CN104451296A (en) | Method for manufacturing 2-series aluminum alloy | |
| CN104342586A (en) | Multi-element micro-alloyed high-performance braze-welded aluminum alloy material for heat exchanger | |
| CN105603263A (en) | Method for producing cold-formed aluminum foil through continuous cast rolling of 8xxx aluminum alloy | |
| CN105331852A (en) | Ultrathin high-strength aluminum alloy fin material and preparation method and application thereof | |
| CN105506424A (en) | High-copper-content high-corrosion-resistance rare earth aluminum alloy and preparation method and application thereof | |
| CN111218590A (en) | High-strength high-formability aluminum-magnesium-copper alloy plate and preparation method thereof | |
| CN104775059A (en) | Al-Mg-Si series aluminum-alloy material with long-time natural aging stability, aluminum-alloy plate and manufacturing method thereof | |
| CN108251731A (en) | A kind of magnesium-rare earth and preparation method thereof | |
| CN102286680A (en) | Rare earth aluminum alloy used for heat exchanger fin and preparation method thereof | |
| CN104018039B (en) | A kind of processing method suppressing aluminum alloy plate materials recrystallization | |
| KR20110043221A (en) | Aluminum alloy with high corrosion resistance for heat exchanger tube and method for manufactured of heat exchanger tube using thereof | |
| CN103103404B (en) | A kind of alufer and preparation method thereof | |
| CN103255323A (en) | Al-Mg-Zn-Cu alloy and preparation method thereof | |
| CN108034872B (en) | High-strength aluminum alloy section for fire fighting truck and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180827 Address after: 201507 1111 Yue Gong Road, Jinshan District, Shanghai Patentee after: HUAFON NIKKEI ALUMINIUM CORPORATION Address before: 201500 101, room 2, No. 1369, Yue Gong Road, Jinshan District, Shanghai. Co-patentee before: HUAFON NIKKEI ALUMINIUM CORPORATION Patentee before: Shanghai Huafon New Material Research & Development Technology Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201507 1111 Yue Gong Road, Jinshan District, Shanghai Patentee after: Shanghai Huafeng Aluminum Co., Ltd. Address before: 201507 1111 Yue Gong Road, Jinshan District, Shanghai Patentee before: HUAFON NIKKEI ALUMINIUM CORPORATION |