CN106319274A - Scrap aluminum regeneration type heat-resistant aluminum alloy and preparation method thereof - Google Patents
Scrap aluminum regeneration type heat-resistant aluminum alloy and preparation method thereof Download PDFInfo
- Publication number
- CN106319274A CN106319274A CN201610900501.4A CN201610900501A CN106319274A CN 106319274 A CN106319274 A CN 106319274A CN 201610900501 A CN201610900501 A CN 201610900501A CN 106319274 A CN106319274 A CN 106319274A
- Authority
- CN
- China
- Prior art keywords
- waste
- aluminum
- aluminium
- old
- heat
- 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
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
-
- 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
- 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
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a scrap aluminum regeneration type heat-resistant aluminum alloy and a preparation method of the scrap aluminum regeneration type heat-resistant aluminum alloy. The raw materials of the heat-resistant aluminum alloy comprise, by mass, 60.5%-63.0% of scrap aluminum profiles, 10.5%-11.0% of scrap aluminum castings, 7.0%-7.5% of scrap aluminum plates, 15.0%-16.0% of waste aluminum wires and 4.5%-5.5% of scrap copper wires. According to the scrap aluminum regeneration type heat-resistant aluminum alloy and the preparation method of the scrap aluminum regeneration type heat-resistant aluminum alloy, scrap aluminum is used as the raw material to be directly regenerated for production of the heat-resistant aluminum alloy, the use value of the scrap aluminum is improved, the production cost of the heat-resistant aluminum alloy is lowered, and the produced heat-resistant aluminum alloy has excellent indoor-temperature strength and high-temperature strength, can be applied to the automobile field, the rail transit field, the maritime work facility field, the aerospace field and the like and has broad application prospect.
Description
Technical field
The invention belongs to technical field of aluminium alloy preparation, be specifically related to a kind of aluminium scrap regeneration heat-resisting aluminium alloy and preparation side thereof
Method.
Background technology
Heat-resisting aluminium alloy refers to use at relatively high temperatures and the aluminium alloy softened does not occurs.Heat-resisting aluminium alloy extensively should
For automobile engine cylinder-body, cylinder cap, piston, gear box casing, turbo-compressor blade, means of transport connector, petroleum drilling
Bar, airborne vehicle bulkhead, spar, rivet, missile case etc..Along with automobile, track traffic, frock is standby in sea, Aero-Space, weapon dress
Standby develops rapidly, gets more and more the demand of heat-resisting aluminium alloy.
Literature retrieval finds, prior art, mainly with primary aluminium as raw material, adds during melting and casting
The alloying elements such as copper, magnesium, manganese, zirconium prepare heat-resisting aluminium alloy.It is known that primary aluminium is prepared by alumina eltrolysis, and aluminum is electric
Solving is high energy consumption industry, and the total energy consumption producing 1 ton of electrolytic aluminium is equivalent to the standard coal of 9000 kilograms, the most also can discharge substantial amounts of
Carbon dioxide, dust and solid waste, cause serious environmental pollution.It is mainly former material with primary aluminium due to prior art
Material, prepares heat-resisting aluminium alloy by adding a large amount of alloying elements, and the production cost causing heat-resisting aluminium alloy is higher, popularization and application
The most difficult.
China is aluminium production and consumption big country, produces substantial amounts of aluminium scrap the most continuously.Utilize aluminium scrap secondary aluminium
Alloy, can significantly reduce the production cost of aluminium alloy, and greatly reduce consumption and carbon dioxide, dust and the solid of the energy
The discharge of garbage.But the most aluminium scrap of China is currently used primarily in the Cast aluminium alloy gold that regeneration is low value-added, contains in aluminium scrap
A large amount of alloying element such as some copper, magnesium, manganese, zirconium is not utilized effectively, and causes the huge waste of resource.Therefore, fully
Utilize the heat-resisting aluminium alloy of a large amount of alloying element Direct Regeneration high added values contained in aluminium scrap, for improving the use valency of aluminium scrap
Value, the production cost tool of reduction heat-resisting aluminium alloy are of great significance.
Summary of the invention
Present invention aims to the problems and shortcomings that prior art exists, it is provided that a kind of aluminium scrap regeneration alumite closes
Gold and preparation method thereof, with aluminium scrap for main raw material(s) Direct Regeneration heat-resisting aluminium alloy, improves the use value of aluminium scrap, reduces resistance to
The production cost of hot aluminium alloy.
It is an object of the invention to be achieved through the following technical solutions:
The raw material composition of heat-resisting aluminium alloy of the present invention is by mass percentage: the waste aluminium section of 60.5 ~ 63.0%, 10.5 ~
The waste aluminum foundry goods of 11.0%, the waste and old aluminium sheet of 7.0 ~ 7.5%, the waste and old aluminum steel of 15.0 ~ 16.0%, the waste and old copper cash of 4.5 ~ 5.5%.
The preparation method of aluminium scrap regeneration heat-resisting aluminium alloy comprises the steps of:
(1) waste aluminium section, waste aluminum foundry goods, waste and old aluminium sheet, waste and old aluminum steel and waste and old copper cash are added heat fusing at 700 ~ 760 DEG C
Become aluminum alloy melt；
(2) with hexachlorethane, the aluminum alloy melt of step (1) is carried out refine degasification slagging-off to process；
(3) aluminum alloy melt of step (2) is become aluminium alloy in 680 ~ 740 DEG C of castings or casting or continuous casting and rolling；
(4) by the aluminium alloy of step (3) 505 ~ 535 DEG C of solid solutions 2 ~ 8 hours, little 175 ~ 210 DEG C of timeliness 12 ~ 48 after shrend
Time, obtain described heat-resisting aluminium alloy after furnace cooling.
The chemical composition of above-mentioned waste aluminium section and mass percent be: Mg 0.3 ~ 1.2%, Si 0.3 ~ 1.2%, Fe≤
0.8%, Cu≤0.9%, Mn≤0.55%, Zn≤0.3%, surplus is Al.
Chemical composition and the mass percent of above-mentioned waste aluminum foundry goods be: Si 3.5 ~ 5.5%, Mn 1.5 ~ 3.5%, Cu 0.1
~ 0.4%, Fe≤0.9%, Cr≤0.45%, Zn≤0.3%, surplus is Al.
Chemical composition and the mass percent of above-mentioned waste and old aluminium sheet be: Mg 4.5 ~ 7.5%, Mn 0.4 ~ 1.2%, Cr 0.05 ~
0.45%, Si≤0.4%, Fe≤0.6%, Cu≤0.5%, surplus is Al.
Chemical composition and the mass percent of above-mentioned waste and old aluminum steel be: Zr 0.5 ~ 2.5%, Fe 0.2 ~ 0.8%, Mg≤
0.7%, Si≤0.55%, Ti≤0.015%, B≤0.006%, surplus is Al.
Chemical composition and the mass percent of above-mentioned waste and old copper cash be: Bi≤0.03%, Sb≤0.04%, Fe≤
0.05%, Ni≤0.04%, Pb≤0.02%, Sn≤0.01%, surplus is Cu.
The consumption of described hexachlorethane is the 0.3 ~ 0.5% of raw material gross mass.
The present invention is direct for raw material with waste aluminium section, waste aluminum foundry goods, waste and old aluminium sheet, waste and old aluminum steel and waste and old copper cash
Regeneration heat-resisting aluminium alloy, by optimizing the raw-material composition of aluminium scrap, it is thus achieved that many containing elements such as Cu, Mg, Si, Mn, Cr, Zr, Fe
The heat-resisting aluminium alloy of unit's combined microalloying, wherein Cu, Mg, Si, Mn, Fe element can be solid-solubilized in aluminum substrate that to play solid solution strong
Change effect, can increase interatomic adhesion, the diffusion process of the atom that slows down and the decomposition rate of solid solution, improves aluminium alloy
Heat stability at high temperature.Cu, Mg, Si, Mn, Fe can also form Al with Al2CuMg、Al2FeSi、Al6Mn、Al3Fe etc. hard and
Crisp intermetallic compound, these intermetallic compounds have the advantages that fusing point is high, quantity is many and size is tiny, in aluminium alloy
The sliding of crystal boundary and the motion of dislocation can be hindered, improve the elevated temperature strength of aluminium alloy.Cr, Zr element can be thin in aluminium alloy
Change crystal grain, it is also possible to form the Al of disperse3Cr and Al3Zr hardening constituent, having stable high-temperature performance of these hardening constituents, wrong with aluminum substrate
Degree of joining is low, forms symbiosis and epibiosis, energy effectively pin dislocation with aluminum substrate, hinders Grain Boundary Sliding, suppress aluminum substrate recrystallization, improve
The recrystallization temperature of aluminum substrate and the elevated temperature strength of aluminium alloy.
The present invention compared with prior art, has the advantages that
(1) heat-resisting aluminium alloy of the present invention is with waste aluminium section, waste aluminum foundry goods, waste and old aluminium sheet, waste and old aluminum steel and waste and old copper cash
Obtain for raw material Direct Regeneration, it is not necessary to use primary aluminium and add the alloying elements such as Cu, Mg, Mn, Cr, Zr, therefore having
Relatively low production cost is lower by more than 40% than the production cost of existing similar heat-resisting aluminium alloy.
(2) heat-resisting aluminium alloy of the present invention has room temperature and the elevated temperature strength of excellence, and wherein 25 DEG C of room temperature tensile intensity are more than
500MPa, percentage elongation is more than 8%, and 250 DEG C of Testing Tensile Strength at Elevated Temperatures are more than 11% more than 400MPa, percentage elongation, can be used for automobile, track
The fields such as traffic, sea standby, the Aero-Space of frock, have broad application prospects.
Detailed description of the invention
Below in conjunction with instantiation, technical scheme is further described.
Embodiment 1
The raw material composition of heat-resisting aluminium alloy is by mass percentage: waste aluminium section (chemical composition and the percent mass of 60.5%
Ratio is: Mg 1.2%, Si 0.8%, Fe 0.5%, Cu 0.6%, Mn 0.4%, Zn 0.3%, and surplus is Al), the waste aluminum of 10.5%
Foundry goods (chemical composition and mass percent be: Si 3.5%, Mn 1.5%, Cu 0.2%, Fe 0.9%, Cr 0.45%, Zn 0.3%,
Surplus is Al), (chemical composition and mass percent be: Mg 7.5%, Mn 0.7%, Cr 0.05%, Si for the waste and old aluminium sheet of 7.5%
0.4%, Fe 0.6%, Cu 0.2%, surplus is Al), (chemical composition and mass percent be: Zr for the waste and old aluminum steel of 16.0%
1.5%, Fe 0.3%, Mg 0.4%, Si 0.25%, Ti 0.015%, B 0.006%, surplus is Al) and the waste and old copper cash (change of 5.5%
Study point and mass percent is: Bi 0.009%, Sb 0.007%, Fe 0.01%, Ni 0.04%, Pb 0.002%, Sn
0.001%, surplus is Cu).The preparation process of heat-resisting aluminium alloy is as follows:
(1) waste aluminium section, waste aluminum foundry goods, waste and old aluminium sheet, waste and old aluminum steel and waste and old copper cash are fused into aluminum 760 DEG C of heating
Aluminium alloy；
(2) with the hexachlorethane that raw material gross mass percentage ratio is 0.4%, the aluminum alloy melt of step (1) is carried out refine degasification to remove
Slag treatment；
(3) aluminum alloy melt of step (2) is cast as aluminium alloy at 740 DEG C；
(4) by the aluminium alloy of step (3) 535 DEG C of solid solutions 2 hours, 210 DEG C of timeliness 12 hours after shrend, after furnace cooling
To described heat-resisting aluminium alloy.
Embodiment 2
The raw material composition of heat-resisting aluminium alloy is by mass percentage: waste aluminium section (chemical composition and the percent mass of 63.0%
Ratio is: Mg 0.9%, Si 0.6%, Fe 0.7%, Cu 0.2%, Mn 0.5%, Zn 0.1%, and surplus is Al), the waste aluminum of 10.5%
Foundry goods (chemical composition and mass percent be: Si 4.0%, Mn 1.9%, Cu 0.3%, Fe 0.5%, Cr 0.4%, Zn 0.2%,
Surplus is Al), (chemical composition and mass percent be: Mg 6.5%, Mn 0.7%, Cr 0.45%, Si for the waste and old aluminium sheet of 7.0%
0.34%, Fe 0.6%, Cu 0.2%, surplus is Al), (chemical composition and mass percent be: Zr for the waste and old aluminum steel of 15.0%
0.5%, Fe 0.2%, Mg 0.2%, Si 0.5%, Ti 0.01%, B 0.005%, surplus is Al) and the waste and old copper cash (chemistry of 4.5%
Composition and mass percent be: Bi 0.001%, Sb 0.009%, Fe 0.01%, Ni 0.02%, Pb 0.02%, Sn 0.01%, remaining
Amount is Cu).The preparation process of heat-resisting aluminium alloy is as follows:
(1) waste aluminium section, waste aluminum foundry goods, waste and old aluminium sheet, waste and old aluminum steel and waste and old copper cash are fused into aluminum 730 DEG C of heating
Aluminium alloy；
(2) with the hexachlorethane that raw material gross mass percentage ratio is 0.3%, the aluminum alloy melt of step (1) is carried out refine degasification to remove
Slag treatment；
(3) aluminum alloy melt of step (2) is become aluminium alloy 710 DEG C of castings；
(4) by the aluminium alloy of step (3) 505 DEG C of solid solutions 8 hours, 175 DEG C of timeliness 48 hours after shrend, after furnace cooling
To described heat-resisting aluminium alloy.
Embodiment 3
The raw material composition of heat-resisting aluminium alloy is by mass percentage: waste aluminium section (chemical composition and the percent mass of 61.5%
Ratio is: Mg 0.3%, Si 0.3%, Fe 0.2%, Cu 0.8%, Mn 0.55%, Zn 0.2%, and surplus is Al), the waste aluminum of 11.0%
Foundry goods (chemical composition and mass percent be: Si 5.5%, Mn 3.5%, Cu 0.1%, Fe 0.1%, Cr 0.4%, Zn 0.3%,
Surplus is Al), (chemical composition and mass percent be: Mg 4.5%, Mn 0.4%, Cr 0.45%, Si for the waste and old aluminium sheet of 7.5%
0.4%, Fe 0.2%, Cu 0.4%, surplus is Al), (chemical composition and mass percent be: Zr for the waste and old aluminum steel of 15.0%
0.5%, Fe 0.2%, Mg 0.7%, Si 0.15%, Ti 0.005%, B 0.001%, surplus is Al) and the waste and old copper cash (change of 5.0%
Study point and mass percent be: Bi 0.03%, Sb 0.01%, Fe 0.04%, Ni 0.04%, Pb 0.01%, Sn 0.001%,
Surplus is Cu).The preparation process of heat-resisting aluminium alloy is as follows:
(1) above-mentioned waste aluminium section, waste aluminum foundry goods, waste and old aluminium sheet, waste and old aluminum steel and waste and old copper cash are added heat fusing at 700 DEG C
Become aluminum alloy melt；
(2) with the hexachlorethane that raw material gross mass percentage ratio is 0.5%, the aluminum alloy melt of step (1) is carried out refine degasification to remove
Slag treatment；
(3) aluminum alloy melt of step (2) is become aluminium alloy 680 DEG C of continuous casting and rollings；
(4) by the aluminium alloy of step (3) 515 DEG C of solid solutions 6 hours, 190 DEG C of timeliness 24 hours after shrend, after furnace cooling
To described heat-resisting aluminium alloy.
By GB228-2010 " metal material stretching test " standard, embodiment 1-3 heat-resisting aluminium alloy is processed into standard and draws
Stretch sample, on DNS200 type universal electrical cupping machine, carry out tension test at 25 DEG C and 250 DEG C respectively, detect heat-resisting
The room temperature of aluminium alloy and drawing by high temperature mechanical property, result is as shown in table 1.
The room temperature of table 1 embodiment 1-3 heat-resisting aluminium alloy and drawing by high temperature mechanical property
From table 1 it can be seen that, 25 DEG C of room temperature tensile intensity are more than 8% more than 500MPa, percentage elongation, and 250 DEG C of Testing Tensile Strength at Elevated Temperatures are more than
400MPa, percentage elongation is more than 11%, and heat-resisting aluminium alloy has room temperature and the elevated temperature strength of excellence.Heat-resisting aluminium alloy of the present invention is whole
Using waste aluminium section, waste aluminum foundry goods, waste and old aluminium sheet, waste and old aluminum steel and waste and old copper cash is that raw material Direct Regeneration obtains, not
Using primary aluminium and add the alloying elements such as Cu, Mg, Mn, Cr, Zr, heat-resisting aluminium alloy the most of the present invention has relatively low production and becomes
This.
The present invention is described by embodiment, but does not limit the invention, with reference to description of the invention, institute
Other changes of disclosed embodiment, as the professional person for this area is readily apparent that, such change should belong to
Within the scope of the claims in the present invention limit.
Claims (3)
1. an aluminium scrap regeneration heat-resisting aluminium alloy, it is characterised in that the raw material of this heat-resisting aluminium alloy forms by mass percentage
For: the waste aluminium section of 60.5 ~ 63.0%, the waste aluminum foundry goods of 10.5 ~ 11.0%, the waste and old aluminium sheet of 7.0 ~ 7.5%, 15.0 ~
The waste and old aluminum steel of 16.0%, the waste and old copper cash of 4.5 ~ 5.5%；
The chemical composition of described waste aluminium section and mass percent be: Mg 0.3 ~ 1.2%, Si 0.3 ~ 1.2%, Fe≤0.8%,
Cu≤0.9%, Mn≤0.55%, Zn≤0.3%, surplus is Al；
Chemical composition and the mass percent of described waste aluminum foundry goods be: Si 3.5 ~ 5.5%, Mn 1.5 ~ 3.5%, Cu 0.1 ~
0.4%, Fe≤0.9%, Cr≤0.45%, Zn≤0.3%, surplus is Al；
Chemical composition and the mass percent of described waste and old aluminium sheet be: Mg 4.5 ~ 7.5%, Mn 0.4 ~ 1.2%, Cr 0.05 ~
0.45%, Si≤0.4%, Fe≤0.6%, Cu≤0.5%, surplus is Al；
Chemical composition and the mass percent of described waste and old aluminum steel be: Zr 0.5～2.5%, Fe 0.2 ~ 0.8%, Mg≤0.7%,
Si≤0.55%, Ti≤0.015%, B≤0.006%, surplus is Al；
Chemical composition and the mass percent of described waste and old copper cash be: Bi≤0.03%, Sb≤0.04%, Fe≤0.05%, Ni
≤ 0.04%, Pb≤0.02%, Sn≤0.01%, surplus is Cu.
2. the preparation method of the aluminium scrap regeneration heat-resisting aluminium alloy described in claim 1, it is characterised in that comprise the steps of:
(1) waste aluminium section, waste aluminum foundry goods, waste and old aluminium sheet, waste and old aluminum steel and waste and old copper cash are added heat fusing at 700 ~ 760 DEG C
Become aluminum alloy melt；
(2) with hexachlorethane, the aluminum alloy melt of step (1) is carried out refine degasification slagging-off to process；
(3) aluminum alloy melt of step (2) is become aluminium alloy in 680 ~ 740 DEG C of castings or casting or continuous casting and rolling；
(4) by the aluminium alloy of step (3) 505 ~ 535 DEG C of solid solutions 2 ~ 8 hours, little 175 ~ 210 DEG C of timeliness 12 ~ 48 after shrend
Time, obtain described heat-resisting aluminium alloy after furnace cooling.
The preparation method of aluminium scrap the most according to claim 2 regeneration heat-resisting aluminium alloy, it is characterised in that described hexachlorethane
Consumption is raw material gross mass 0.3 ~ 0.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610900501.4A CN106319274B (en) | 2016-10-17 | 2016-10-17 | A kind of aluminium scrap regeneration heat-resisting aluminium alloy and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610900501.4A CN106319274B (en) | 2016-10-17 | 2016-10-17 | A kind of aluminium scrap regeneration heat-resisting aluminium alloy and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106319274A true CN106319274A (en) | 2017-01-11 |
| CN106319274B CN106319274B (en) | 2017-12-15 |
Family
ID=57817693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610900501.4A Active CN106319274B (en) | 2016-10-17 | 2016-10-17 | A kind of aluminium scrap regeneration heat-resisting aluminium alloy and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106319274B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107513648A (en) * | 2017-09-23 | 2017-12-26 | 新沂市中诺新材料科技有限公司 | A kind of heat resistant type aluminium alloy processing technology |
| CN114672710A (en) * | 2022-01-21 | 2022-06-28 | 常州工学院 | Oriented structure heat-resistant aluminum alloy material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101445879A (en) * | 2009-01-13 | 2009-06-03 | 周岳建 | Method for producing water meter casing by using corrosion-resisting aluminum casting alloy and products thereof |
| CN104388777A (en) * | 2014-11-28 | 2015-03-04 | 广西南南铝加工有限公司 | High-strength aluminum alloy slab and manufacturing method thereof |
-
2016
- 2016-10-17 CN CN201610900501.4A patent/CN106319274B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101445879A (en) * | 2009-01-13 | 2009-06-03 | 周岳建 | Method for producing water meter casing by using corrosion-resisting aluminum casting alloy and products thereof |
| CN104388777A (en) * | 2014-11-28 | 2015-03-04 | 广西南南铝加工有限公司 | High-strength aluminum alloy slab and manufacturing method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107513648A (en) * | 2017-09-23 | 2017-12-26 | 新沂市中诺新材料科技有限公司 | A kind of heat resistant type aluminium alloy processing technology |
| CN114672710A (en) * | 2022-01-21 | 2022-06-28 | 常州工学院 | Oriented structure heat-resistant aluminum alloy material and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106319274B (en) | 2017-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101381814B (en) | Method for preparing rare-earth aluminum silicon alloy by waste aluminum recovery and rare-earth aluminum silicon alloy thereof | |
| CN106566935B (en) | A kind of liquid forging aluminium alloy and preparation method thereof | |
| CN109402420B (en) | Method for preparing titanium-silicon and aluminum-silicon alloy by utilizing titanium-containing blast furnace slag | |
| CN102828063A (en) | Novel lead-free environment-friendly high-strength wear-resistant copper-base alloy bar and preparation method thereof | |
| CN101597707A (en) | A kind of Al-Mg-Si-Cu alloy and preparation method thereof | |
| CN112921194B (en) | Method for preparing high-performance target-component regenerated aluminum alloy from waste aluminum | |
| CN103146962A (en) | High-performance die-casting aluminum alloy for automotive body and preparation method thereof | |
| CN112646988A (en) | Preparation method of high-conductivity heat-resistant aluminum alloy rod | |
| CN114150191A (en) | Non-heat-treated high-toughness die-casting aluminum alloy and preparation method thereof | |
| CN104831097A (en) | Good-weldability cylinder head aluminum alloy material and preparation method thereof | |
| CN112695230A (en) | High-elongation heat-resistant aluminum alloy vehicle part and preparation method thereof | |
| CN104593645A (en) | Aluminum alloy pressure-cast door plank and preparation method thereof | |
| CN102021428B (en) | Sc-RE aluminium alloy material with high strength and heat resistance and preparation method thereof | |
| CN113444929A (en) | Microalloying non-heat treatment high-strength and high-toughness die-casting aluminum alloy and preparation process thereof | |
| CN106399769A (en) | High silicon aluminum alloy and preparation method thereof | |
| CN105401005A (en) | Al-Si alloy material and production method thereof | |
| CN105088026A (en) | Castable aluminum alloy material for cylinder cover and preparation method thereof | |
| CN106319274A (en) | Scrap aluminum regeneration type heat-resistant aluminum alloy and preparation method thereof | |
| CN101135021A (en) | Aluminium magnesium ferroalloy for molten steel deoxidization desulfuration and alloying and preparation method thereof | |
| CN105525117A (en) | Aluminum alloy material capable of being used for manufacturing cylinder cover and preparation method for aluminum alloy material | |
| CN104862546A (en) | Engine cylinder cover aluminium alloy material smelt by utilizing aluminium scrap and preparation method thereof | |
| CN106282622A (en) | A kind of aluminium scrap renovation process of Cast aluminium alloy gold | |
| CN102528309B (en) | Welding fluid for overlaying welding of strip-shaped electrode electroslag and preparation method thereof | |
| CN104674035A (en) | Preparation method of chromium-aluminum alloy | |
| CN105986136A (en) | High-performance aluminum alloy added with rare earth element and preparation method of high-performance aluminum alloy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 510000 363 Changxin Road, Tianhe District, Guangzhou, Guangdong. Patentee after: Industrial analysis and testing center of Guangdong Academy of Sciences Address before: 510651 No. 363, Changxin Road, Guangzhou, Guangdong, Tianhe District Patentee before: GUANGDONG INDUSTRY ANALYSIS TESTING CENTER |