CN107081507A - A kind of welding procedure of door and window aluminium alloy - Google Patents
A kind of welding procedure of door and window aluminium alloy Download PDFInfo
- Publication number
- CN107081507A CN107081507A CN201710540377.XA CN201710540377A CN107081507A CN 107081507 A CN107081507 A CN 107081507A CN 201710540377 A CN201710540377 A CN 201710540377A CN 107081507 A CN107081507 A CN 107081507A
- Authority
- CN
- China
- Prior art keywords
- welding
- aluminium alloy
- door
- welded
- window
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/235—Preliminary treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/10—Aluminium or alloys thereof
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Nonmetallic Welding Materials (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a kind of welding procedure of door and window aluminium alloy, comprise the following steps：Step 1：Surface clean, the welding region of aluminum alloy surface to be welded is put into cleaning fluid, is carried out ultrasonic wave cleaning when rinse liquid temperature is 25 ~ 55 DEG C, is then carried out drying and processing；Step 2：Pretreatment, 150 ~ 250 DEG C of progress the pre-heat treatments are heated to by the welding region of aluminium alloy to be welded；Step 3：Welding；Step 4：Degassing processing after welding；Step 5：Clear up, eliminate welding powder or slag at Welded.A kind of welding technique of door and window aluminium alloy of the present invention is simple, it is easy to operate, and is suitable for industrialized popularization and uses, use aluminium alloy special welding wire, in welding as temperature is raised, the aluminium alloy special welding wire of fusing can be made to change colour, the phenomenon of rosin joint occurs in reduction.
Description
Technical field
The invention belongs to aluminium alloy manufacture field, and in particular to a kind of welding procedure of door and window aluminium alloy.
Background technology
Aluminium alloy is most widely used metalloid structural material in industry, Aeronautics and Astronautics, automobile, machine-building,
Widely applied in ship and chemical industry.As science and technology and industrial economy are developed rapidly in recent years, welding structure
The demand of part is increasing, and the Research on Weldability enabled aluminum alloy to is also goed deep into therewith.The extensive use of aluminium alloy promotes aluminium alloy
The development of welding technique, while the application field of aluminium alloy, therefore the welding skill of aluminium alloy have been expanded in the development of welding technique again
Art just turns into one of focus of research.
Aluminium alloy can bring in welding process a series of difficulty due to there is its unique physical property.Such as aluminium
If alloy greasy dirt or other impurities without clean surface before welding, it would be possible to can produce weld defect, intensity declines,
Service life shortens.Aluminium alloy from solid state into liquid state when without obvious color and luster change, therefore in welding process give operator
Many difficulties are brought, lack of penetration defect easily occur.On the other hand, the liquid bath of aluminium alloy is easy to absorb gas,
A large amount of hydrogen are dissolved under high temperature, have little time effusion during cooled and solidified after welding and aggegation forms stomata in weld seam,
Influence the quality of Welded product.
The content of the invention
In view of the above-mentioned problems, the technical problem to be solved in the present invention is to provide a kind of welding procedure of door and window aluminium alloy,
Welding effect is good, free from flaw.
To achieve the above object, the technical scheme is that：A kind of welding procedure of door and window aluminium alloy, including it is following
Step：
Step 1：Surface clean, the welding region of aluminum alloy surface to be welded is put into cleaning fluid, rinse liquid temperature be 25 ~
Ultrasonic wave cleaning is carried out at 55 DEG C, drying and processing, 60 ~ 90 DEG C of drying temperature is then carried out, drying time is 5 ~ 10min；
Step 2：Pretreatment, 150 ~ 250 DEG C of progress the pre-heat treatments are heated to by the welding region of aluminium alloy to be welded；
Step 3：Welding, sprays degasifier, then aluminium alloy is carried out using aluminium alloy special welding wire in the welding region of aluminium alloy
Welding；
Step 4：Degassing processing after welding, is in 40 ~ 100min of solid solution in 300 ~ 450 DEG C, and adopt after cooling by Welded
Make further degassing processing to aluminium alloy with the ultrasonic wave of 200 ~ 300W power；
Step 5：Clear up, eliminate welding powder or slag at Welded.
Preferably, further comprise cooling treatment before the step 5, will be specifically transferred at the Welded after solid solution
Room temperature is cooled in 10 ~ 20 DEG C of cold water.
Preferably, the degasifier in the step 3 includes following according to parts by weight：10 ~ 20 parts of chloride dehydrate zinc, lithium fluoride
5 ~ 10 parts of 10 ~ 20 parts, 10 ~ 15 parts of ammonium carbonate and carbon tetrachloride.
Preferably, the aluminium alloy special welding wire is mainly made by the raw material of following mass percent：Magnesium-nickel alloy 2 ~
10%th, the aluminium of thermal discoloration compound 3 ~ 10%, lithium 0.5 ~ 3.5%, magnesium 0.5 ~ 1.2%, copper 0.03 ~ 0.09% and surplus.
Preferably, the preparation method of the alloy special welding wire is：Raw material is put into combustion gas according to percentage by weight configuration
Carry out alloy melting in heating furnace, 690 ~ 760 DEG C of smelting temperature, smelting time is 2 ~ 4h, and add refining agent, following process into
Type is processed as 1.2 ~ 1.8mm of φ plate-like by multi-pass cold stretch, the intermediate annealing of line base, multi-pass even drawing, scraping lightization
Welding wire.
Preferably, the main component of the refining agent is MgCl2And KCl.
Preferably, the welding in the step 3 uses metal argon arc welding, and welding current is 180 ~ 350A, weldingvoltage
For 20 ~ 27V, argon flow amount is 8 ~ 13L/min, and speed of welding is 15 ~ 22cm/min.
Preferably, the one kind of the cleaning fluid in the step 1 in acetone, glycol butyl, boric acid and tertiary sodium phosphate
Or it is a variety of.
The beneficial effects of the present invention are：A kind of welding technique of door and window aluminium alloy of the present invention is simple, it is easy to
Operation, is suitable for industrialized popularization and uses.The welding region for being soldered aluminum alloy surface is clear with cleaning fluid in ultrasonic wave
Wash, each component of the cleaning agent cooperates, and easily the dirty of welding region surface can be cleaned up, make alloy table
Face keeps bright and clean, with reference to closer, and not only cleaning efficiency is improved, and will not introduce foreign ion, reduce cleaning cost with
Pollution.
Welded region is preheated, the moisture in welding region surface can be not only reduced, while can also
Improve gas overflowing condition, reduce the hydrogen content of weld seam, prevent crackle from producing, degasification is sprayed in the welding region of aluminum alloy plate materials
Agent, then aluminum alloy plate materials are welded, air content during Welded can be reduced.
The present invention uses aluminium alloy special welding wire, in welding as temperature is raised, the aluminium alloy of fusing can be made special
Welding wire changes colour, and the thermal discoloration compound after the phenomenon of rosin joint, and cooling, which occurs, in reduction can recover original color, will not
Influence the attractive in appearance and quality of Welded.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is described in further detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, do not limit
The fixed present invention.
Embodiment 1
A kind of welding procedure of door and window aluminium alloy, comprises the following steps：
Step 1：Surface clean, the welding region of aluminum alloy surface to be welded is put into cleaning fluid, is 25 in rinse liquid temperature
DEG C when carry out ultrasonic wave cleaning, then carry out drying and processing, 60 DEG C of drying temperature, drying time is 5min；
Step 2：Pretreatment, 150 DEG C of progress the pre-heat treatments are heated to by the welding region of aluminium alloy to be welded；
Step 3：Welding, sprays degasifier, then aluminium alloy is carried out using aluminium alloy special welding wire in the welding region of aluminium alloy
Welding；
Step 4：Degassing processing after welding, is in solid solution 40min in 300 DEG C, and use 200W work(after cooling by Welded
The ultrasonic wave of rate makees further degassing processing to aluminium alloy；
Step 5：Clear up, eliminate welding powder or slag at Welded.
Further comprise cooling treatment before the step 5, will be specifically transferred at the Welded after solid solution 10 DEG C it is cold
Room temperature is cooled in water.
Degasifier in the step 3 includes following according to parts by weight：10 parts of chloride dehydrate zinc, 10 parts of lithium fluoride, carbonic acid
5 parts of 10 parts of ammonium and carbon tetrachloride.
The aluminium alloy special welding wire is mainly made by the raw material of following mass percent：Magnesium-nickel alloy 2%, thermochromism
Compound 3%, lithium 0.5%, magnesium 0.5%, the aluminium of copper 0.03% and surplus.
The preparation method of the alloy special welding wire is：Raw material is put into gas-fired heater according to percentage by weight configuration
Progress alloy melting, 690 DEG C of smelting temperature, smelting time is 2h, and adds refining agent, and following process shaping is cold by multi-pass
Stretching, the intermediate annealing of line base, multi-pass connect the plate-like welding wire that drawing, scraping lightization are processed as φ 1.2mm.
The main component of the refining agent is MgCl2。
Welding in the step 3 uses metal argon arc welding, and welding current is 180A, and weldingvoltage is 20V, argon gas stream
Measure as 8L/min, speed of welding is 15cm/min.
Cleaning fluid in the step 1 is a kind of or many in acetone, glycol butyl, boric acid and tertiary sodium phosphate
Kind.
Embodiment 2
A kind of welding procedure of door and window aluminium alloy, comprises the following steps：
Step 1：Surface clean, the welding region of aluminum alloy surface to be welded is put into cleaning fluid, is 35 in rinse liquid temperature
DEG C when carry out ultrasonic wave cleaning, then carry out drying and processing, 80 DEG C of drying temperature, drying time is 7min；
Step 2：Pretreatment, 200 DEG C of progress the pre-heat treatments are heated to by the welding region of aluminium alloy to be welded；
Step 3：Welding, sprays degasifier, then aluminium alloy is carried out using aluminium alloy special welding wire in the welding region of aluminium alloy
Welding；
Step 4：Degassing processing after welding, is in solid solution 60min in 350 DEG C, and use 250W work(after cooling by Welded
The ultrasonic wave of rate makees further degassing processing to aluminium alloy；
Step 5：Clear up, eliminate welding powder or slag at Welded.
Further comprise cooling treatment before the step 5, will be specifically transferred at the Welded after solid solution 15 DEG C it is cold
Room temperature is cooled in water.
Degasifier in the step 3 includes following according to parts by weight：15 parts of chloride dehydrate zinc, 15 parts of lithium fluoride, carbonic acid
6 parts of 13 parts of ammonium and carbon tetrachloride.
The aluminium alloy special welding wire is mainly made by the raw material of following mass percent：Magnesium-nickel alloy 8%, thermochromism
Compound 8%, lithium 2.5%, magnesium 0.9%, the aluminium of copper 0.06% and surplus.
The preparation method of the alloy special welding wire is：Raw material is put into gas-fired heater according to percentage by weight configuration
Progress alloy melting, 720 DEG C of smelting temperature, smelting time is 3h, and adds refining agent, and following process shaping is cold by multi-pass
Stretching, the intermediate annealing of line base, multi-pass connect the plate-like welding wire that drawing, scraping lightization are processed as φ 1.6mm.
The main component of the refining agent is MgCl2。
Welding in the step 3 uses metal argon arc welding, and welding current is 250A, and weldingvoltage is 25V, argon gas stream
Measure as 10L/min, speed of welding is 20cm/min.
Cleaning fluid in the step 1 is a kind of or many in acetone, glycol butyl, boric acid and tertiary sodium phosphate
Kind.
Embodiment 3
A kind of welding procedure of door and window aluminium alloy, comprises the following steps：
Step 1：Surface clean, the welding region of aluminum alloy surface to be welded is put into cleaning fluid, is 55 in rinse liquid temperature
DEG C when carry out ultrasonic wave cleaning, then carry out drying and processing, 90 DEG C of drying temperature, drying time is 10min；
Step 2：Pretreatment, 250 DEG C of progress the pre-heat treatments are heated to by the welding region of aluminium alloy to be welded；
Step 3：Welding, sprays degasifier, then aluminium alloy is carried out using aluminium alloy special welding wire in the welding region of aluminium alloy
Welding；
Step 4：Degassing processing after welding, is in solid solution 100min in 450 DEG C, and use 300W work(after cooling by Welded
The ultrasonic wave of rate makees further degassing processing to aluminium alloy；
Step 5：Clear up, eliminate welding powder or slag at Welded.
Further comprise cooling treatment before the step 5, specifically will be transferred to 10 ~ 20 DEG C at the Welded after solid solution
Room temperature is cooled in cold water.
Degasifier in the step 3 includes following according to parts by weight：20 parts of chloride dehydrate zinc, 20 parts of lithium fluoride, carbonic acid
10 parts of 15 parts of ammonium and carbon tetrachloride.
The aluminium alloy special welding wire is mainly made by the raw material of following mass percent：Magnesium-nickel alloy 10%, thermotropic
Color compound 10%, lithium 3.5%, magnesium 1.2%, the aluminium of copper 0.09% and surplus.
The preparation method of the alloy special welding wire is：Raw material is put into gas-fired heater according to percentage by weight configuration
Progress alloy melting, 760 DEG C of smelting temperature, smelting time is 4h, and adds refining agent, and following process shaping is cold by multi-pass
Stretching, the intermediate annealing of line base, multi-pass connect the plate-like welding wire that drawing, scraping lightization are processed as φ 1.8mm.
The main component of the refining agent is KCl.
Welding in the step 3 uses metal argon arc welding, and welding current is 350A, and weldingvoltage is 27V, argon gas stream
Measure as 13L/min, speed of welding is 22cm/min.
Cleaning fluid in the step 1 is a kind of or many in acetone, glycol butyl, boric acid and tertiary sodium phosphate
Kind.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic.All essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (8)
1. a kind of welding procedure of door and window aluminium alloy, it is characterised in that comprise the following steps：
Step 1：Surface clean, the welding region of aluminum alloy surface to be welded is put into cleaning fluid, rinse liquid temperature be 25 ~
Ultrasonic wave cleaning is carried out at 55 DEG C, drying and processing, 60 ~ 90 DEG C of drying temperature is then carried out, drying time is 5 ~ 10min；
Step 2：Pretreatment, 150 ~ 250 DEG C of progress the pre-heat treatments are heated to by the welding region of aluminium alloy to be welded；
Step 3：Welding, sprays degasifier, then aluminium alloy is carried out using aluminium alloy special welding wire in the welding region of aluminium alloy
Welding；
Step 4：Degassing processing after welding, is in 40 ~ 100min of solid solution in 300 ~ 450 DEG C, and adopt after cooling by Welded
Make further degassing processing to aluminium alloy with the ultrasonic wave of 200 ~ 300W power；
Step 5：Clear up, eliminate welding powder or slag at Welded.
2. the welding procedure of a kind of door and window aluminium alloy according to claim 1, it is characterised in that before the step 5
Further comprise cooling treatment, will be specifically transferred at the Welded after solid solution in 10 ~ 20 DEG C of cold water and be cooled to room temperature.
3. the welding procedure of a kind of door and window aluminium alloy according to claim 1, it is characterised in that in the step 3
Degasifier includes according to parts by weight：10 ~ 20 parts of chloride dehydrate zinc, 10 ~ 20 parts of lithium fluoride, 10 ~ 15 parts of ammonium carbonate and carbon tetrachloride 5
~ 10 parts.
4. the welding procedure of a kind of door and window aluminium alloy according to claim 1, it is characterised in that the aluminium alloy is special
Welding wire is mainly made by the raw material of following mass percent：Magnesium-nickel alloy 2 ~ 10%, thermal discoloration compound 3 ~ 10%, lithium 0.5 ~
3.5%th, the aluminium of magnesium 0.5 ~ 1.2%, copper 0.03 ~ 0.09% and surplus.
5. a kind of welding procedure of door and window aluminium alloy according to claim 4, it is characterised in that the special weldering of the alloy
Silk preparation method be：Raw material is put into gas-fired heater according to percentage by weight configuration and carries out alloy melting, smelting temperature
690 ~ 760 DEG C, smelting time is 2 ~ 4h, and adds refining agent, and following process shaping in the middle of multi-pass cold stretch, line base by moving back
Fire, multi-pass connect the plate-like welding wire that drawing, scraping lightization are processed as 1.2 ~ 1.8mm of φ.
6. a kind of welding procedure of door and window aluminium alloy according to claim 5, it is characterised in that the master of the refining agent
It is MgCl to want composition2And KCl.
7. the welding procedure of a kind of door and window aluminium alloy according to claim 1, it is characterised in that in the step 3
Welding uses metal argon arc welding, and welding current is 180 ~ 350A, and weldingvoltage is 20 ~ 27V, and argon flow amount is 8 ~ 13L/min,
Speed of welding is 15 ~ 22cm/min.
8. the welding procedure of a kind of door and window aluminium alloy according to claim 1, it is characterised in that in the step 1
One or more of the cleaning fluid in acetone, glycol butyl, boric acid and tertiary sodium phosphate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710540377.XA CN107081507A (en) | 2017-07-05 | 2017-07-05 | A kind of welding procedure of door and window aluminium alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710540377.XA CN107081507A (en) | 2017-07-05 | 2017-07-05 | A kind of welding procedure of door and window aluminium alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107081507A true CN107081507A (en) | 2017-08-22 |
Family
ID=59606674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710540377.XA Withdrawn CN107081507A (en) | 2017-07-05 | 2017-07-05 | A kind of welding procedure of door and window aluminium alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107081507A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110666272A (en) * | 2019-10-29 | 2020-01-10 | 苏州工业园区德研福机械设备有限公司 | Large-size high-precision aluminum alloy welding process |
| CN112059370A (en) * | 2019-05-25 | 2020-12-11 | 周立明 | Welding process for aluminum door and window |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012013185A1 (en) * | 2010-07-29 | 2012-02-02 | Eads Deutschland Gmbh | Aluminium material which can be exposed to high temperatures, is alloyed with scandium and has improved extrudability |
| KR101198499B1 (en) * | 2010-06-08 | 2012-11-06 | 주식회사 동희산업 | Weldmethod of aluminum die-cast material |
| EP2343387B1 (en) * | 2009-09-01 | 2013-06-05 | United Technologies Corporation | Fabrication of L12 aluminum alloy tanks and other vessels by roll forming, spin forming, and friction stir welding |
| CN103600179A (en) * | 2013-11-14 | 2014-02-26 | 北京航空航天大学 | Novel degasifier capable of reducing porosity of aluminum-alloy TIG (tungsten inert gas welding) |
| CN106825871A (en) * | 2017-02-24 | 2017-06-13 | 玉林博飞商贸有限公司 | A kind of welding procedure of aluminium alloy |
-
2017
- 2017-07-05 CN CN201710540377.XA patent/CN107081507A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2343387B1 (en) * | 2009-09-01 | 2013-06-05 | United Technologies Corporation | Fabrication of L12 aluminum alloy tanks and other vessels by roll forming, spin forming, and friction stir welding |
| KR101198499B1 (en) * | 2010-06-08 | 2012-11-06 | 주식회사 동희산업 | Weldmethod of aluminum die-cast material |
| WO2012013185A1 (en) * | 2010-07-29 | 2012-02-02 | Eads Deutschland Gmbh | Aluminium material which can be exposed to high temperatures, is alloyed with scandium and has improved extrudability |
| CN103600179A (en) * | 2013-11-14 | 2014-02-26 | 北京航空航天大学 | Novel degasifier capable of reducing porosity of aluminum-alloy TIG (tungsten inert gas welding) |
| CN106825871A (en) * | 2017-02-24 | 2017-06-13 | 玉林博飞商贸有限公司 | A kind of welding procedure of aluminium alloy |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112059370A (en) * | 2019-05-25 | 2020-12-11 | 周立明 | Welding process for aluminum door and window |
| CN110666272A (en) * | 2019-10-29 | 2020-01-10 | 苏州工业园区德研福机械设备有限公司 | Large-size high-precision aluminum alloy welding process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106825871B (en) | A kind of welding procedure of aluminium alloy | |
| CN103103372B (en) | The smelting preparation method of a kind of anti-impact pressure aluminium alloy extrusions | |
| CN102717205B (en) | Aluminium-alloy welding wire and preparation method thereof | |
| CN103103401B (en) | A kind of smelting preparation method of anti-surrender aluminium alloy extrusions | |
| CN103695735A (en) | Aluminum alloy welding wire and preparation method thereof | |
| CN110193656A (en) | A kind of 4 line aluminium alloy welding methods | |
| CN102922098A (en) | Method for welding thick aluminum alloy plate | |
| CN101264541A (en) | Additional electric arc heating copper backing board pre-heating aluminum alloy and magnesium alloy welding method | |
| CN106862732B (en) | A kind of welding method of molybdenum alloy | |
| CN103805816B (en) | Electrophoresis method prepares the method for aluminum alloy materials | |
| CN108048676B (en) | Method for preparing aluminum-lanthanum intermediate alloy by aluminothermic reduction method | |
| CN107081507A (en) | A kind of welding procedure of door and window aluminium alloy | |
| CN103103399A (en) | Smelting preparation method of aluminum alloy section with good stability | |
| CN108179368A (en) | Without the smokeless fluxing agent of zinc ammonium galvanizing by dipping | |
| CN104005062B (en) | Preparation method of aluminum-copper alloy material | |
| CN105714133B (en) | A kind of preparation method of Cu Cr Zr Mg alloy bar materials | |
| CN103103400A (en) | Smelting preparation method for anti-cracking aluminum alloy section bar | |
| CN105177325A (en) | Aluminum alloy casting treatment technology | |
| CN103103402A (en) | Smelting preparation method for electrostatic powder-plated aluminum alloy section bar | |
| CN104630682A (en) | Method for refining hot-dipping coating material by employing laser heat treatment | |
| CN100462187C (en) | Hard soldering powder for aluminium soldering in air furnace | |
| CN103103398A (en) | Smelting preparation method for anti-tarnishing aluminum alloy section bar | |
| CN108221027A (en) | A kind of true black anodizing method of magnesium alloy | |
| CN103111726A (en) | Plating laser pretreatment impulse welding method of titanium alloy plate and pure aluminum plate | |
| CN203741394U (en) | Three-phase combined aluminum melt degassing and deslagging synchronous treatment system |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170822 |