CN104625468A - Metal powder for aluminum alloy structural component connection and connection method thereof - Google Patents
Metal powder for aluminum alloy structural component connection and connection method thereof Download PDFInfo
- Publication number
- CN104625468A CN104625468A CN201510040294.5A CN201510040294A CN104625468A CN 104625468 A CN104625468 A CN 104625468A CN 201510040294 A CN201510040294 A CN 201510040294A CN 104625468 A CN104625468 A CN 104625468A
- Authority
- CN
- China
- Prior art keywords
- aluminium alloy
- powder metallurgy
- sheet
- metal dust
- aluminum 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.)
- Pending
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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/28—Selection of soldering or welding materials proper with the principal constituent melting at less than 950 degrees C
- B23K35/286—Al as the principal constituent
- B23K35/288—Al as the principal constituent with Sn or Zn
-
- 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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- 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)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses metal powder for aluminum alloy structural component connection and a connection method thereof. The metal powder is characterized by comprising 8%-15% of Si, 0.1%-1% of Cu, at most 10% of Ag and the balance Al. The method for connection of aluminum alloy structural components by means of the metal powder comprises the following steps that the metal powder is utilized for preparing a powder metallurgy sheet, the obtained powder metallurgy sheet is arranged between two aluminum alloy structural components to be connected to be fastened, the fastened aluminum alloy structural components enter a heating belt to be heated, the powder metallurgy sheet is molten after being heated so that the two aluminum alloy structural components are connected into a whole, and the heating temperature inside the heating belt ranges from 550 DEG C to 600 DEG C. The method has the advantages that the technology of the powder metallurgy connection method is simple and convenient to implement, the requirement for welding equipment is low, the aluminum alloy structural components can be rapidly connected into a whole, the working efficiency is high, the cost is low, and the method can replace the traditional resistance spot welding technology in the field of automobile manufacturing.
Description
Technical field
The invention belongs to hardware joining technique field, be specifically related to a kind of metal dust for aluminium alloy element joint and joint method thereof.
Background technology
Aluminium alloy density is low, but strength ratio is higher, close to or exceed high-quality steel, plasticity is good, can be processed into various section bar, has excellent electric conductivity, thermal conductivity and corrosion stability, is widely applied in Aero-Space, automobile, machine-building, boats and ships and chemical industry.Along with the develop rapidly of industrial economy, also increasing to the demand of aluminium alloy element, make the research of the welding method of aluminium alloy element also thereupon deeply.
The major weld process of aluminum current alloy components is divided into TIG weldering (inert gas tungsten electrode protection weldering), MIG welds (welding), friction stir welding, resistance spot welding etc., wherein:
TIG weldering and MIG all need the protection of inert gas when being welded in welding, and welding equipment complex and expensive, cause the welding cost of aluminium alloy plate higher, cannot large-scale promotion application;
Friction stir welding be utilize workpiece end face mutually to move, heat that phase mutual friction produces, make end reach hot plastic state, then upset rapidly, complete a kind of method of welding; But the object of welding is mainly limited to jatharapanvartanasana part, in the process of this external welding, the translational speed of mixing needle is comparatively slow, limits the production efficiency that aluminium alloy element engages;
Resistance spot welding is pressed between two electrodes by welded aluminium alloy element, and pass to electric current, and the resistance heat utilizing electric current to flow through aluminium alloy element contact surface and adjacent domain generation is heated molten state, makes it to engage the welding method be integrated; Need the welding carrying out some some positions between the aluminium alloy element engaged, the welding therefore between aluminium alloy element is consuming time longer, and production efficiency is not high.
Given this, those skilled in the art are badly in need of a kind of brand-new welding method, effectively to reduce the joint cost between component, and improve joint production efficiency.
Summary of the invention
The object of the invention is according to above-mentioned the deficiencies in the prior art part, there is provided a kind of metal dust for aluminium alloy element joint and joint method thereof, this joint method is integrated to make two aluminium alloy elements engage by arranging powder metallurgy sheet and heat between two aluminium alloy elements.
The object of the invention realizes being completed by following technical scheme:
For the metal dust that aluminium alloy element engages, it is characterized in that the component of described metal dust is: Si 8% ~ 15%, Cu 0.1% ~ 1%, Ag is no more than 10%, and all the other are Al.
The component of described metal dust is: Si 11% ~ 13%, Cu 0.2% ~ 0.4%, Ag is no more than 5.4%, and all the other are Al.
Relating to a joint method for above-mentioned arbitrary metal dust for aluminium alloy element joint, it is characterized in that described joint method comprises the steps: the powder metallurgy sheet by forming sheet after described metal dust combination; Described powder metallurgy sheet to be arranged between two aluminium alloy elements to be joined and fastening; Described aluminium alloy element after fastening enters heating in heating belt, and described powder metallurgy sheet melted by heat is integrated to make two described aluminium alloy elements engage, and the heating-up temperature in described heating belt is 550 DEG C ~ 600 DEG C.
The method forming the described powder metallurgy sheet of sheet comprises the steps: described metal dust to add in mucilage liquid to be uniformly mixed, and heats to drain moisture content and obtain powder metallurgy block after to be mixed, described powder metallurgy block is cut off the metallurgical sheet of powdered.
Thermal source in described heating belt is one or more in microwave heat, electrothermal furnace or ultrasonic wave thermal source.
Advantage of the present invention is, this powder metallurgy joint method simple process, low to welding equipment requirement, and can be engaged by aluminium alloy plate fast and be integrated, bond strength is high, and operating efficiency is high, and cost is low, alternative traditional resistance spot welding technique in fields such as automobile makings.
Accompanying drawing explanation
Fig. 1 is powder metallurgy block schematic diagram in the present invention;
Fig. 2 is powder metallurgy volume schematic diagram in the present invention;
Fig. 3 is that in the present invention, powder metallurgy sheet is arranged at the schematic diagram between aluminium alloy plate;
Fig. 4 be in the present invention aluminium alloy element and therebetween powder metallurgy sheet by the schematic diagram of heating belt;
Fig. 5 is that in the present invention, powder metallurgy sheet is arranged at the schematic diagram between aluminium alloy bars cross section;
Fig. 6 is that in the present invention, powder metallurgy sheet is arranged at the schematic diagram between aluminium alloy bars cross section and aluminium alloy plate.
Detailed description of the invention
Feature of the present invention and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that the understanding of technical staff of the same trade:
Be respectively as marked 1-7 in Fig. 1-6, figure: powder metallurgy block 1, powder metallurgy volume 2, aluminium alloy plate 3, powder metallurgy sheet 4, heating belt 5, conveyer belt 6, aluminium alloy bars 7.
Embodiment one: the present embodiment is specifically related to a kind of metal dust for aluminium alloy element joint and joint method thereof, and this metal dust is Al alloy powder, and its component is: Si 12%, Cu 0.3%, Ag 4%, and all the other are Al; This joint method then by adopting the powder metallurgy sheet obtained by aforementioned metal powder to be structure as a whole by be welded two aluminium alloy elements joints, specifically comprises the steps:
(1) get appropriate metal dust and itself and mucilage liquid are carried out mix and blend, make metal dust become pasty state and be bonded as one, afterwards the powder metallurgy block 1 that the moisture content drained wherein obtains cylindrical shape as shown in Figure 1 is heated to it;
(2) cutter is utilized to obtain the powder metallurgy band in the form of sheets with certain length and thickness at the top layer continuous cutting of powder metallurgy block 1, this powder metallurgy band is rolled formation powder metallurgy volume 2 as shown in Figure 2, both easy to use, be also convenient to store and transport;
(3) as shown in Figure 3, what in the present embodiment, aluminium alloy element adopted is aluminium alloy plate 3, according to the size of aluminium alloy plate 3, utilizes cutter to cut to obtain the powder metallurgy sheet 4 of appropriate length to powder metallurgy volume 2; The powder metallurgy sheet 4 that cutting obtains is located between two pieces of aluminium alloy plates 3, clamping device is utilized to impose suitable clamping force by fastening for two pieces of aluminium alloy plates 3 afterwards, prevent mutual displacement, the clamping force in the present embodiment is unsuitable excessive, only need ensure can not be shifted between aluminium alloy plate 3; It should be noted that, powder metallurgy sheet 4 is arranged in the position to be joined between two pieces of aluminium alloy plates 3 usually, the mode that face can certainly be adopted to fit arranges completely whole aluminium alloy plate 3 surface, and the intensity of the two pieces of aluminium alloy plates 3 engaged by face laminating type can reach more than 60% of aluminium alloy plate 3 bulk strength;
(4) as shown in Figure 4, aluminium alloy plate 3 after clamping is sent in heating belt 5 by conveyer belt 6 and heats, the transfer rate of conveyer belt 6 should be as the criterion with the time of powder metallurgy sheet 4 needs heating and set, thermal source in heating belt 5 can be microwave heat, electrothermal furnace or ultrasonic wave thermal source, heating-up temperature is 550 DEG C ~ 600 DEG C, powder metallurgy sheet 4 melted by heat, sends out powder metallurgy sheet 4 after heating belt 5 through conveyer belt 6 and cools two pieces of aluminium alloy plates 3 are engaged as a slice aluminium alloy plate under the bonding of powder metallurgy sheet 4.
Be made up of Al alloy powder in the present embodiment powder metallurgy volume use and store very convenient, with get with, the powder metallurgy sheet of any required form can be cut off into, between the aluminium alloy element that can be located in all kinds of shape, required junction apparatus is simple, drop into and welding cost lower, the intensity between the aluminium alloy element after joint is higher than traditional resistance spot welding technique.
Embodiment two: the present embodiment is specifically related to a kind of method engaged for aluminium alloy element, this joint method is structure as a whole to be welded two with aluminium alloy bars joint by adopting the powder metallurgy sheet obtained by metal dust described in embodiment one, specifically comprises the steps:
(1) preparing powder metallurgy by the method adopted in embodiment one rolls up 2 stand-by;
(2) as shown in Figure 5, what in the present embodiment, aluminium alloy element adopted is aluminium alloy bars 7, according to the size in aluminium alloy bars 7 cross section to be joined, utilizes cutter to cut to obtain the powder metallurgy sheet 4 identical with aluminium alloy bars 7 sectional dimension to powder metallurgy volume 2; The powder metallurgy sheet 4 that cutting obtains is located between two aluminium alloy bars 7, clamping device is utilized to impose suitable clamping force by fastening for two aluminium alloy bars 7 afterwards, prevent mutual displacement, the clamping force in the present embodiment is unsuitable excessive, only need ensure can not be shifted between aluminium alloy bars 7;
(3) as shown in Figure 4, aluminium alloy bars 7 after fastening is sent in heating belt 5 by conveyer belt 6 and heats, the transfer rate of conveyer belt 6 should be as the criterion with the time of powder metallurgy sheet 4 needs heating and set, thermal source in heating belt 5 is identical with embodiment one, heating-up temperature is 550 DEG C ~ 600 DEG C, powder metallurgy sheet 4 melted by heat, sends out powder metallurgy sheet 4 after heating belt 5 through conveyer belt 6 and cools the cross section between two aluminium alloy bars 7 is engaged under the bonding of powder metallurgy sheet 4 to be an aluminium alloy bars.
Embodiment three: the present embodiment is specifically related to a kind of method engaged for aluminium alloy element, aluminium alloy bars to be welded and aluminium alloy plate joint are structure as a whole by adopting the powder metallurgy sheet obtained by metal dust described in embodiment one by this joint method, specifically comprise the steps:
(1) preparing powder metallurgy by the method adopted in embodiment one rolls up 2 stand-by;
(2) as shown in Figure 6, aluminium alloy element to be joined in the present embodiment is aluminium alloy bars 7 and aluminium alloy plate 3, according to the size in aluminium alloy bars 7 cross section to be joined, cutter is utilized to cut to obtain the powder metallurgy sheet 4 identical with aluminium alloy bars 7 sectional dimension to powder metallurgy volume 2; Aluminium alloy bars 7 is arranged with aluminium alloy plate 3 is mutually vertical, the powder metallurgy sheet 4 that cutting obtains is arranged between aluminium alloy bars 7 and aluminium alloy plate 3, clamping device is utilized to impose suitable clamping force by fastening between aluminium alloy bars 7 and aluminium alloy plate 3 afterwards, prevent mutual displacement, clamping force in the present embodiment is unsuitable excessive, only need ensure that aluminium alloy bars 7 is not shifted on aluminium alloy plate 3;
(3) as shown in Figure 4, aluminium alloy bars 7 after fastening and aluminium alloy plate 3 are sent in heating belt 5 by conveyer belt 6 and heats, the transfer rate of conveyer belt 6 should be as the criterion with the time of powder metallurgy sheet 4 needs heating and set, thermal source in heating belt 5 is identical with embodiment one, heating-up temperature is 550 DEG C ~ 600 DEG C, powder metallurgy sheet 4 melted by heat, sends out powder metallurgy sheet 4 after heating belt 5 through conveyer belt 6 and cools to make the composition surface between aluminium alloy bars 7 with aluminium alloy plate 3 under the bonding of powder metallurgy sheet 4, engage as a whole aluminium alloy element.
Claims (5)
1., for the metal dust that aluminium alloy element engages, it is characterized in that the component of described metal dust is: Si 8% ~ 15%, Cu 0.1% ~ 1%, Ag is no more than 10%, and all the other are Al.
2. a kind of metal dust engaged for aluminium alloy element according to claim 1, is characterized in that the component of described metal dust is: Si 11% ~ 13%, Cu 0.2% ~ 0.4%, Ag is no more than 5.4%, and all the other are Al.
3. relating to a joint method for the arbitrary described metal dust for aluminium alloy element joint of claim 1-2, it is characterized in that described joint method comprises the steps: the powder metallurgy sheet by forming sheet after described metal dust combination; Described powder metallurgy sheet to be arranged between two aluminium alloy elements to be joined and fastening; Described aluminium alloy element after fastening enters heating in heating belt, and described powder metallurgy sheet melted by heat is integrated to make two described aluminium alloy elements engage, and the heating-up temperature in described heating belt is 550 DEG C ~ 600 DEG C.
4. the joint method of a kind of metal dust for aluminium alloy element joint according to claim 3, it is characterized in that the method for the described powder metallurgy sheet forming sheet comprises the steps: described metal dust to add in mucilage liquid to be uniformly mixed, heat to drain moisture content after to be mixed and obtain powder metallurgy block, described powder metallurgy block is cut off the metallurgical sheet of powdered.
5. a kind of joint method of metal dust engaged for aluminium alloy plate according to claim 3, the thermal source that it is characterized in that in described heating belt is one or more in microwave heat, electrothermal furnace or ultrasonic wave thermal source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510040294.5A CN104625468A (en) | 2015-01-27 | 2015-01-27 | Metal powder for aluminum alloy structural component connection and connection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510040294.5A CN104625468A (en) | 2015-01-27 | 2015-01-27 | Metal powder for aluminum alloy structural component connection and connection method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104625468A true CN104625468A (en) | 2015-05-20 |
Family
ID=53204950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510040294.5A Pending CN104625468A (en) | 2015-01-27 | 2015-01-27 | Metal powder for aluminum alloy structural component connection and connection method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104625468A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11156585A (en) * | 1997-11-25 | 1999-06-15 | Shinko Alcoa Yuso Kizai Kk | Aluminum alloy brazing material and brazing sheet with excellent antibacterial activity |
| JP2000153389A (en) * | 1998-11-18 | 2000-06-06 | Ngk Spark Plug Co Ltd | Brazing filler metal, and brazed body |
| CN102528316A (en) * | 2012-01-05 | 2012-07-04 | 力创(台山)电子科技有限公司 | Welding ring containing brazing flux for welding aluminum and aluminum alloy and manufacturing method thereof |
| CN103056553A (en) * | 2013-01-18 | 2013-04-24 | 哈尔滨工业大学 | Solder, preparation method thereof and method for connecting sapphire and niobium or niobium alloys by using solder |
| CN103600149A (en) * | 2013-11-15 | 2014-02-26 | 沈阳黎明航空发动机(集团)有限责任公司 | Brazing method for thin-wall heat conducting pipes |
-
2015
- 2015-01-27 CN CN201510040294.5A patent/CN104625468A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11156585A (en) * | 1997-11-25 | 1999-06-15 | Shinko Alcoa Yuso Kizai Kk | Aluminum alloy brazing material and brazing sheet with excellent antibacterial activity |
| JP2000153389A (en) * | 1998-11-18 | 2000-06-06 | Ngk Spark Plug Co Ltd | Brazing filler metal, and brazed body |
| CN102528316A (en) * | 2012-01-05 | 2012-07-04 | 力创(台山)电子科技有限公司 | Welding ring containing brazing flux for welding aluminum and aluminum alloy and manufacturing method thereof |
| CN103056553A (en) * | 2013-01-18 | 2013-04-24 | 哈尔滨工业大学 | Solder, preparation method thereof and method for connecting sapphire and niobium or niobium alloys by using solder |
| CN103600149A (en) * | 2013-11-15 | 2014-02-26 | 沈阳黎明航空发动机(集团)有限责任公司 | Brazing method for thin-wall heat conducting pipes |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Xue et al. | Effect of friction stir welding parameters on the microstructure and mechanical properties of the dissimilar Al–Cu joints | |
| Qi et al. | Interfacial structure of the joints between magnesium alloy and mild steel with nickel as interlayer by hybrid laser-TIG welding | |
| Zhang et al. | Study on welding–brazing of copper and stainless steel using tungsten/metal gas suspended arc welding | |
| Cao et al. | Study on cold metal transfer welding–brazing of titanium to copper | |
| CN106853548A (en) | Welding electrode for carrying out resistance spot welding to the job stacking including aluminium workpiece and steel workpiece | |
| CN103111743B (en) | The fast welding method of a kind of steel and aluminum or aluminum alloy | |
| CN104148822B (en) | A kind of low temperature brazing material | |
| CN103447668B (en) | A kind of welding method of dispersion copper | |
| CN102357695A (en) | Method and device for soldering metal parts and components by adopting high-frequency induction brazing | |
| CN104400237A (en) | Multi-physical-field auxiliary dissimilar metal material welding method | |
| CN104139239A (en) | Method for T-shaped magnesium alloy section friction stir welding | |
| JPH0691367A (en) | Heating and welding method for aluminum materials | |
| Zhang et al. | An investigation on butt joints of Ti6Al4V and 5A06 using MIG/TIG double-side arc welding-brazing | |
| CN103978301B (en) | A kind of resistance spot welding method of aluminum matrix composite | |
| CN1228167C (en) | Method for red copper transition welding without preheating metal alloy | |
| CN103624398B (en) | A kind of high-strength aluminum alloy slab low_input_power friction stir welding method | |
| CN103231180A (en) | Aluminum alloy low-temperature brazing solder and production method thereof | |
| Shang et al. | Brazing W and Fe–Ni–Co alloy using Ag–28Cu and Ag–27Cu–3.5 Ti fillers | |
| CN112894123A (en) | Friction stir welding method for aluminum-copper dissimilar metal | |
| CN106513981A (en) | Special backing plate for friction-stir welding and welding method adopting backing plate | |
| CN109048019A (en) | A kind of welding procedure for Copper-Aluminum compound row | |
| US20190363328A1 (en) | Robust Reaction Metallurgical Joining | |
| Akkaş et al. | The effect of welding current on nugget sizes in resistance spot welding of spa-c steel sheets used in railway vehicles | |
| CN104625468A (en) | Metal powder for aluminum alloy structural component connection and connection method thereof | |
| CN103831545B (en) | Fluted body arc-welding and soldering aluminium alloy compound welding wire and manufacture 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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150520 |