CN105033438B - Welding method for aluminum-steel composite member and aluminum-steel composite member - Google Patents
Welding method for aluminum-steel composite member and aluminum-steel composite member Download PDFInfo
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- CN105033438B CN105033438B CN201510178237.3A CN201510178237A CN105033438B CN 105033438 B CN105033438 B CN 105033438B CN 201510178237 A CN201510178237 A CN 201510178237A CN 105033438 B CN105033438 B CN 105033438B
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- steelwork
- steel composite
- alumiaum article
- composite members
- aluminum steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 96
- 239000010959 steel Substances 0.000 title claims abstract description 96
- 238000003466 welding Methods 0.000 title claims abstract description 79
- 239000002131 composite material Substances 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 35
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 86
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 86
- 229910000679 solder Inorganic materials 0.000 claims abstract description 56
- 230000003746 surface roughness Effects 0.000 claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 239000004411 aluminium Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 abstract description 2
- 235000010210 aluminium Nutrition 0.000 description 74
- 230000015572 biosynthetic process Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical group 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002431 foraging effect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/001—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by extrusion or drawing
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/14—Preventing or minimising gas access, or using protective gases or vacuum during 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/22—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
- B23K20/227—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded with ferrous layer
- B23K20/2275—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded with ferrous layer the other layer being aluminium
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/24—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
- B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
Abstract
The invention provides a welding method for an aluminum-steel composite member. The surface roughness, the pressure, the number of revolution, the inserting speed and the cooling speed are reasonably set, enough temperature can be provided during welding to cause a plastic deformation in metal at the solder side, and generate an aluminum-steel combination area having enough thickness in the weld after welding, no bubbles, cracks and other defects generate in the weld, and the tensile strength of the weld is larger than that of an aluminum substrate. Residual stress of the weld can be removed through local heating the solder side after welding, and the joint strength of the weld can be raised.
Description
Technical field
The present invention relates to the welding method and aluminum steel composite members of a kind of aluminum steel composite members, belong to friction-welding technique technology
Field.
Background technology
In the prior art, for the engagement of dissimilar metal as steel aluminium, generally by fusion weld, or rivet is used
Deng mechanical connection manner, or it is bonded by glue.
During using fusion weld, because the heat for being input to welding position is too big, easily at the faying face between steel aluminium
Fragile intermetallic compound is formed, the bond strength between steel aluminium is reduced, under long-time use, especially in moment of torsion
Under effect, commissure is susceptible to fracture, causes structural failure.
When being bonded using glue, engaging force between steel aluminium is also often up to less than requiring, also, glue is it is also possible to can be because
The engaging force between steel aluminium is further reduced for aging.
When being engaged by mechanical means such as rivets, then exist influences product design because of riveting, or due to riveting
Position uses and produces the problem of fatigue fracture for a long time.
In sum, how to provide a kind of firm aluminum steel composite members of combination is the technology not solved also in the prior art
Problem.
The content of the invention
Therefore, the technical problems to be solved by the invention are the production method for overcoming steel combined with aluminum part of the prior art
So that steel engages unstable technical problem with aluminium, thus propose it is a kind of can make to engage firm aluminum steel between steel and aluminium be combined
The production method of part.
Therefore, the present invention provides a kind of welding method of aluminum steel composite members, it is characterised in that comprise the following steps：
Using surface roughness in the tabular of Ra1.6-Ra6.3 or block alumiaum article, and cylindric steelwork, alumiaum article
Thickness is not less than 9mm, and steelwork diameter is not less than 20mm；
Fixed steelwork and alumiaum article, and the end face alignment contact of the plate face of alumiaum article and steelwork is formed solder side,
Component towards steelwork direction and vertical with solder side power or power is applied to alumiaum article, makes the component butt welding of the power or power
Junction produces the pressure of 280-380KN；
The pressure suffered by solder side is kept, and steelwork is rotated relative to alumiaum article, revolution is 300-500 revs/min, warp
Steelwork is stopped the rotation after 3-5s, steelwork is gradually extend into the speed of 0.8-1mm/s in steelwork rotary course
In alumiaum article, engaged with the alumiaum article of state of plastic deformation and form aluminum steel composite members；
Aluminum steel composite members are cooled to room temperature, 200-300 DEG C/min of cooling rate completes welding.
Also include the solder side of alumiaum article and steelwork is surface-treated to control alumiaum article and steelwork surface thick
The step of rugosity.
Steelwork and alumiaum article rotate engagement in inert gas atmosphere.
After steelwork stops the rotation, continue to keep solder side above-mentioned pressure, the dwell time is no less than 10s.
After completing welding, solder side is locally heated to 200-250 DEG C, and be incubated 1-2h.
There is round table-like hole slot, hole slot depth is 1-2mm, the steelwork of selection on the solder side of the alumiaum article of selection
There is round table-like boss, bus and hole slot axis of the bus of boss with the angle of boss axis formation than hole slot on solder side
The angle that line is formed is big 3-5 °, during welding, is directed at the axis of hole slot and boss.
The angle that the bus of round table-like boss is formed with boss axis is 83-88 °.
The angle that the bus of round table-like hole slot is formed with hole slot axis is 80-85 °.
The present invention also provides a kind of aluminum steel composite members, including tabular or bulk alumiaum article, and welded with the plate face of alumiaum article
Fixed columned steelwork is connect, the alumiaum article and the steelwork are using the welding method welding described in any of the above-described
It is fixed.
The welding method of the aluminum steel composite members that the present invention is provided has the following advantages that：
1. the present invention provide aluminum steel composite members welding method, by reasonably set surface roughness, pressure, turn
Count, stretch into speed, cooling rate, it is ensured that enough temperature are produced during welding, the metal at solder side is produced plastic deformation,
And make the aluminium-steel land of formation adequate thickness in commissure after welding, and commissure does not produce the defects such as bubble, crackle, makes
The tensile strength of commissure is more than the tensile strength at aluminum substrate.Carrying out local heating to solder side after completion welding can remove
The residual stress of commissure, improves the bonding strength of commissure.
2. the present invention provide aluminum steel composite members welding method, the preforming round table-like hole slot in alumiaum article plate face,
Round table-like boss is molded in the welding ends of steelwork, while by the angle of the bus of round table-like boss and boss axis than circle
The bus of the hole slot of mesa-shaped is arranged to big 3-5 ° with the angle of hole slot axis, on the one hand, by round platform and hole slot aligned fit,
It is the offer positioning of steelwork and alumiaum article before welding, on the other hand, during in welding, steelwork extend into alumiaum article, steelwork
Solder bond face with alumiaum article forms round platform surface, improves bonded area, improves the welding between steelwork and alumiaum article
Intensity, in addition, preforming hole slot can also reduce the amount that alumiaum article overflows from welding region.
3. the aluminum steel composite members that the present invention is provided, because being prepared from using the above method, therefore with stripping very high
Intensity, aluminium and steel combine stabilization, and service life is high.
Brief description of the drawings
In order that present disclosure is more likely to be clearly understood, below according to specific embodiment of the invention and combine
Accompanying drawing, the present invention is further detailed explanation, wherein
Fig. 1 is the structural representation before alumiaum article of the invention and steelwork welding；
Fig. 2 is the structural representation after aluminum steel composite members Vehicle Processing of the invention；
Reference is expressed as in figure：1- steelworks；2- alumiaum articles；3- cylinders；31- blind holes；4- round bases；41-
Round table-like protuberance；42- annular shape protuberances；43- lobes.
Specific embodiment
Technical scheme is described in detail below in conjunction with the accompanying drawings.
Embodiment 1
The present embodiment provides a kind of welding method of aluminum steel composite members, comprises the following steps：
S1：It is the cylindric steel of Ra1.6 in the plate like aluminium part and surface roughness of Ra1.6 to use surface roughness
Part, alumiaum article thickness is 9mm, and a diameter of 20mm of steelwork, alumiaum article is 1060 fine aluminiums, and steelwork is 304 stainless steels；
S2：Fixed alumiaum article and steelwork, and the end face of the plate face of alumiaum article and steelwork is directed at contact formation welding
Face, the component towards steelwork direction and vertical with solder side power or power is applied to alumiaum article, makes the component of the power or power
The pressure of 280KN is produced to solder side；
S3：The pressure suffered by solder side is kept, and steelwork is rotated relative to alumiaum article, revolution is 300 revs/min, warp
Steelwork is stopped the rotation after 5s, steelwork is gradually extend into alumiaum article with the speed of 1mm/s in steelwork rotary course
In, engaged with the alumiaum article of state of plastic deformation and form aluminum steel composite members, wherein, continue to keep the pressure of 10s after stopping the rotation
Power；
S4：Aluminum steel composite members are cooled to room temperature, 200 DEG C/min of cooling rate completes welding.
S5：After completing welding, aluminum steel composite members are unclamped, and be placed in heater, solder side is locally heated to
200 DEG C, and it is incubated 2h.
Using the above-mentioned welding method aluminum steel composite members that obtain of production, including columned steelwork and with columned steel
The alumiaum article of the tabular that the end face of product is welded to connect, the peel strength of the aluminum steel composite members is shown in Table 1.
Embodiment 2
S1：It is the cylindric steel of Ra5.6 in the plate like aluminium part and surface roughness of Ra1.6 to use surface roughness
Part, alumiaum article thickness is 10mm, a diameter of 21mm of steelwork；
S2：Fixed alumiaum article and steelwork, and the end face of the plate face of alumiaum article and steelwork is directed at contact formation welding
Face, the component towards steelwork direction and vertical with solder side power or power is applied to alumiaum article, makes the component of the power or power
The pressure of 320KN is produced to solder side；
S3：The pressure suffered by solder side is kept, and steelwork is rotated relative to alumiaum article, revolution is 400 revs/min, warp
Steelwork is stopped the rotation after 3s, steelwork is gradually extend into aluminum with the speed of 0.8mm/s in steelwork rotary course
In part, engaged with the alumiaum article of state of plastic deformation and form aluminum steel composite members, wherein, continue to keep 11s's after stopping the rotation
Pressure；
S4：Aluminum steel composite members are cooled to room temperature, 250 DEG C/min of cooling rate completes welding.
S5：After completing welding, aluminum steel composite members are unclamped, and be placed in heater, solder side is locally heated to
220 DEG C, and it is incubated 1.2h.
Using the above-mentioned welding method aluminum steel composite members that obtain of production, including columned steelwork and with columned steel
The alumiaum article of the tabular that the end face of product is welded to connect, the peel strength of the aluminum steel composite members is shown in Table 1.
Embodiment 3
S1：It is the cylindric steel of Ra4.6 in the plate like aluminium part and surface roughness of Ra6.3 to use surface roughness
Part, alumiaum article thickness is 13mm, a diameter of 23mm of steelwork；
S2：Fixed alumiaum article and steelwork, and the end face of the plate face of alumiaum article and steelwork is directed at contact formation welding
Face, the component towards steelwork direction and vertical with solder side power or power is applied to alumiaum article, makes the component of the power or power
The pressure of 380KN is produced to solder side；
S3：The pressure suffered by solder side is kept, and steelwork is rotated relative to alumiaum article, revolution is 500 revs/min, warp
Steelwork is stopped the rotation after 4s, steelwork is gradually extend into aluminum with the speed of 0.9mm/s in steelwork rotary course
In part, engaged with the alumiaum article of state of plastic deformation and form aluminum steel composite members, wherein, continue to keep 12s's after stopping the rotation
Pressure；
S4：Aluminum steel composite members are cooled to room temperature, 300 DEG C/min of cooling rate completes welding.
S5：After completing welding, aluminum steel composite members are unclamped, and be placed in heater, solder side is locally heated to
250 DEG C, and it is incubated 1h.
Using the above-mentioned welding method aluminum steel composite members that obtain of production, including columned steelwork and with columned steel
The alumiaum article of the tabular that the end face of product is welded to connect, the peel strength of the aluminum steel composite members is shown in Table 1.
Embodiment 4
S1：It is the cylindric steel of Ra4.6 in the plate like aluminium part and surface roughness of Ra6.3 to use surface roughness
Part, alumiaum article thickness is 13mm, a diameter of 23mm of steelwork；In the preforming round table-like hole slot of the solder side of alumiaum article, hole slot
Depth is 1.5mm；It is molded round table-like boss on the solder side of steelwork, the bus of round table-like boss and the folder of boss axis
Angle is 83 °；The bus of round table-like hole slot and the angle of hole slot axis are 80 °；
S2：Fixed alumiaum article and steelwork, and the end face of the plate face of alumiaum article and steelwork is directed at contact formation welding
Face, the component towards steelwork direction and vertical with solder side power or power is applied to alumiaum article, makes the component of the power or power
The pressure of 380KN is produced to solder side；
S3：The pressure suffered by solder side is kept, and steelwork is rotated relative to alumiaum article, revolution is 500 revs/min, warp
Steelwork is stopped the rotation after 4s, steelwork is gradually extend into aluminum with the speed of 0.9mm/s in steelwork rotary course
In part, engaged with the alumiaum article of state of plastic deformation and form aluminum steel composite members, wherein, continue to keep 12s's after stopping the rotation
Pressure；
S4：Aluminum steel composite members are cooled to room temperature, 300 DEG C/min of cooling rate completes welding.
S5：After completing welding, aluminum steel composite members are unclamped, and be placed in heater, solder side is locally heated to
250 DEG C, and it is incubated 1h.
Using the above-mentioned welding method aluminum steel composite members that obtain of production, including columned steelwork and with columned steel
The alumiaum article of the tabular that the end face of product is welded to connect, the peel strength of the aluminum steel composite members is shown in Table 1.
Embodiment 5
S1：It is the cylindric steel of Ra6.3 in the plate like aluminium part and surface roughness of Ra1.6 to use surface roughness
Part, alumiaum article thickness is 10mm, a diameter of 21mm of steelwork；In the preforming round table-like hole slot of the solder side of alumiaum article, hole slot
Depth is 1mm；It is molded round table-like boss on the solder side of steelwork, the bus of round table-like boss and the angle of boss axis
It is 87 °；The bus of round table-like hole slot and the angle of hole slot axis are 82 °；
S2：Fixed alumiaum article and steelwork, and the end face of the plate face of alumiaum article and steelwork is directed at contact formation welding
Face, the component towards steelwork direction and vertical with solder side power or power is applied to alumiaum article, makes the component of the power or power
The pressure of 320KN is produced to solder side；
S3：The pressure suffered by solder side is kept, and steelwork is rotated relative to alumiaum article, revolution is 400 revs/min, warp
Steelwork is stopped the rotation after 3s, steelwork is gradually extend into aluminum with the speed of 0.8mm/s in steelwork rotary course
In part, engaged with the alumiaum article of state of plastic deformation and form aluminum steel composite members, wherein, continue to keep 11s's after stopping the rotation
Pressure；
S4：Aluminum steel composite members are cooled to room temperature, 250 DEG C/min of cooling rate completes welding.
S5：After completing welding, aluminum steel composite members are unclamped, and be placed in heater, solder side is locally heated to
220 DEG C, and it is incubated 1.2h.
Using the above-mentioned welding method aluminum steel composite members that obtain of production, including columned steelwork and with columned steel
The alumiaum article of the tabular that the end face of product is welded to connect, the peel strength of the aluminum steel composite members is shown in Table 1.
Embodiment 6
S1：It is the cylindric steel of Ra1.6 in the plate like aluminium part and surface roughness of Ra1.6 to use surface roughness
Part, alumiaum article thickness is 9mm, and a diameter of 20mm of steelwork, alumiaum article is 1060 fine aluminiums, and steelwork is 304 stainless steels；In aluminum
The preforming round table-like hole slot of solder side of part, hole slot depth is 2mm；Round table-like boss is molded on the solder side of steelwork, circle
The bus of the boss of mesa-shaped and the angle of boss axis are 88 °；The bus of round table-like hole slot and the angle of hole slot axis
It is 85 °；
S2：Fixed alumiaum article and steelwork, and the end face of the plate face of alumiaum article and steelwork is directed at contact formation welding
Face, while ensure the axis alignment of hole slot and boss, alumiaum article is applied towards steelwork direction and and solder side
Vertical power or the component of power, make the component of the power or power to the pressure of solder side generation 280KN；
S3：The pressure suffered by solder side is kept, and steelwork is rotated relative to alumiaum article, revolution is 300 revs/min, warp
Steelwork is stopped the rotation after 5s, steelwork is gradually extend into alumiaum article with the speed of 1mm/s in steelwork rotary course
In, engaged with the alumiaum article of state of plastic deformation and form aluminum steel composite members, wherein, continue to keep the pressure of 10s after stopping the rotation
Power；
S4：Aluminum steel composite members are cooled to room temperature, 200 DEG C/min of cooling rate completes welding.
S5：After completing welding, aluminum steel composite members are unclamped, and be placed in heater, solder side is locally heated to
200 DEG C, and it is incubated 2h.
Using the above-mentioned welding method aluminum steel composite members that obtain of production, including columned steelwork and with columned steel
The alumiaum article of the tabular that the end face of product is welded to connect, the peel strength of the aluminum steel composite members is shown in Table 1.Aluminium in embodiment 1-3
The welding method of steel composite members, by reasonably setting surface roughness, pressure, revolution, stretching into speed, cooling rate, it is ensured that
Enough temperature are produced during welding, the metal at solder side is produced plastic deformation, and commissure is formed enough after making welding
The aluminium of thickness-steel land, and commissure does not produce the defects such as bubble, crackle, the tensile strength of commissure is more than aluminium base
Tensile strength at body.Local heating is carried out to solder side after completion welding can remove the residual stress of commissure, improve weldering
Bonding strength at seam.
The welding method of the aluminum steel composite members in embodiment 4-6, is carried out on the basis of the method described in embodiment 1-3
Deformation, as shown in figure 1, in the preforming round table-like hole slot of solder side of alumiaum article, hole slot depth L1 is 1-2mm, steelwork
Welding ends is molded round table-like boss, and the width L2 of boss is substantially equal with hole slot depth L1, bus and the boss axis of boss
Angle β be 83-88 °, the bus of hole slot and the angle α of hole slot axis are 80-85 ° and to ensure round table-like boss
Bus is bigger 3-5 ° than the bus of round table-like hole slot and the angle of hole slot axis with the angle of boss axis, during welding, hole
The axis alignment of groove and boss.The preforming round table-like hole slot in alumiaum article plate face, circle is molded in the welding ends of steelwork
Mesa-shaped boss, while by the bus and hole slot of the angle than round table-like hole slot of the bus of round table-like boss and boss axis
The angle of axis is arranged to big 3-5 °, on the one hand, by round platform and hole slot aligned fit, is steelwork and alumiaum article before welding
Offer positioning, on the other hand, in welding, steelwork extend into alumiaum article, and steelwork forms round platform surface with alumiaum article
Solder bond face, improves bonded area, the weld strength between steelwork and alumiaum article is improved, in addition, preforming hole slot is also
The amount that alumiaum article overflows from welding region can be reduced.
By after the aluminum steel composite members that the welding method of the aluminum steel composite members of embodiment 1-6 is obtained, by machining
The aluminum steel composite members with given shape can be produced, as shown in Fig. 2 for a kind of aluminum steel as lithium battery anode end cap is compound
Part, including, the round base 4 of aluminum, the cylinder 3 of steel, the cylinder 3 of steel is embedded into base from an end face of pedestal 4
In seat 4, the center of another end face of pedestal 4 forms round table-like protuberance 41, marginal position and forms circular dashing forward
Go out portion 42, the lobe 43 formed an angle with the radial shape of pedestal 4, the centre bit of cylinder 3 are formed on the side wall of pedestal 4
Put to form and extend into columned blind hole 31 in pedestal 4, the inwall of blind hole 31 forms screw thread.Structure in above-mentioned aluminum steel composite members
It is after by steelwork and alumiaum article welding, to be obtained by mach mode with shape.
It may be noted that embodiment 1-6 aluminum steel composite members welding method, steelwork is corresponding relative to alumiaum article rotation
Time (3-5s) is afterwards, it is necessary to be rapidly decreased to speed for 0, this down speeding procedure must not exceed 0.15s.
Experimental example
Peel strength examination is carried out to the aluminum steel composite members obtained by embodiment 1-6 according to Japanese Industrial Standards JIS Z3144
Test, result of the test is as shown in the table.
Peeling strength test result of the test in the embodiment 1-6 of table 1
| Embodiment | Peel strength/KN |
| Embodiment 1 | 0.53 |
| Embodiment 2 | 0.56 |
| Embodiment 3 | 0.63 |
| Embodiment 4 | 0.71 |
| Embodiment 5 | 0.76 |
| Embodiment 6 | 0.67 |
Above-described embodiment is only intended to clearly illustrate example, and not to the restriction of implementation method.For affiliated
For the those of ordinary skill in field, can also make other changes in different forms on the basis of the above description.
There is no need and unable to be exhaustive to all of implementation method.And the obvious change thus extended out or change still
Among protection domain in the invention.
Claims (9)
1. a kind of welding method of aluminum steel composite members, it is characterised in that comprise the following steps：
Using surface roughness in the tabular of Ra1.6-Ra6.3 or block alumiaum article, and cylindric steelwork, alumiaum article thickness
Not less than 9mm, steelwork diameter is not less than 20mm；
Fixed steelwork and alumiaum article, and the end face alignment contact of the plate face of alumiaum article and steelwork is formed solder side, to aluminium
Product applies the component towards steelwork direction and vertical with solder side power or power, makes the component of the power or power to solder side
Produce the pressure of 280-380KN；
The pressure suffered by solder side is kept, and steelwork is rotated relative to alumiaum article, revolution is 300-500 revs/min, through 3-5s
After steelwork is stopped the rotation, steelwork is gradually extend into aluminum with the speed of 0.8-1mm/s in steelwork rotary course
In part, engaged with the alumiaum article of state of plastic deformation and form aluminum steel composite members；
Aluminum steel composite members are cooled to room temperature, 200-300 DEG C/min of cooling rate completes welding.
2. the welding method of aluminum steel composite members according to claim 1, it is characterised in that also including to alumiaum article and steel
The step of solder side of part is surface-treated to control alumiaum article and steelwork surface roughness.
3. the welding method of aluminum steel composite members according to claim 1, it is characterised in that steelwork and alumiaum article are in inertia
Engagement is rotated in gas atmosphere.
4. the welding method of aluminum steel composite members according to claim 1, it is characterised in that after steelwork stops the rotation,
Continue to keep solder side above-mentioned pressure, the dwell time is no less than 10s.
5. the welding method of the aluminum steel composite members according to claim any one of 1-4, it is characterised in that after completing welding,
Solder side is locally heated to 200-250 DEG C, and is incubated 1-2h.
6. the welding method of the aluminum steel composite members according to claim any one of 1-4, it is characterised in that the alumiaum article of selection
Solder side on have round table-like hole slot, hole slot depth be 1-2mm, on the solder side of the steelwork of selection have it is round table-like convex
Platform, the angle that bus and the boss axis of boss are formed is bigger 3-5 ° with the angle that hole slot axis is formed than the bus of hole slot,
During welding, it is directed at the axis of hole slot and boss.
7. the welding method of aluminum steel composite members according to claim 6, it is characterised in that the bus of round table-like boss with
The angle that boss axis is formed is 83-88 °.
8. the welding method of the aluminum steel composite members according to claim any one of 1-4, it is characterised in that round table-like hole slot
The angle that is formed of bus and hole slot axis be 80-85 °.
9. a kind of aluminum steel composite members, including tabular or bulk alumiaum article, it is and cylindric with what the plate face of alumiaum article was welded and fixed
Steelwork, it is characterised in that：The alumiaum article and the steelwork are using the welding side any one of claim 1-8
Method is welded and fixed.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757692A (en) * | 2018-06-25 | 2018-11-06 | 苏州鑫金茂金属科技有限公司 | A method of the WELD NUTS on 304 sheet metal components |
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| CN105397276B (en) * | 2015-12-15 | 2017-11-03 | 哈尔滨工业大学 | A kind of method of agitating friction weldering increasing material manufacturing bar |
| CN110621868B (en) * | 2017-07-14 | 2022-05-27 | 日本制铁株式会社 | Piston for internal combustion engine and method for manufacturing same |
| CN108757693A (en) * | 2018-06-25 | 2018-11-06 | 苏州鑫金茂金属科技有限公司 | A kind of sheet metal component with copper Self-Clinching Standoffs |
| CN108757691B (en) * | 2018-06-25 | 2020-12-15 | 苏州贝弗金属科技有限公司 | Welding method for copper pressure riveting nut column on sheet metal part |
| CN108869515A (en) * | 2018-06-25 | 2018-11-23 | 苏州鑫金茂金属科技有限公司 | A kind of 304 sheet metal components with nut |
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| US5271287A (en) * | 1992-07-28 | 1993-12-21 | Materials Analysis, Inc. | Multi-metal composite gear/shaft |
| US6492037B2 (en) * | 1997-07-11 | 2002-12-10 | Kabushiki Kaisha Toshiba | Joined structure of dissimilar metallic materials |
| KR20010099453A (en) * | 2001-09-28 | 2001-11-09 | 정선일 | Manufacturing method of press rollers for office equipment using friction welding of different metal materials |
| CN101844271A (en) * | 2010-05-20 | 2010-09-29 | 西北工业大学 | Friction welding method of titanium-aluminum alloy turbine and 42CrMo quenched and tempered steel shaft |
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| CN108757692A (en) * | 2018-06-25 | 2018-11-06 | 苏州鑫金茂金属科技有限公司 | A method of the WELD NUTS on 304 sheet metal components |
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