CN105033438A - 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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- CN105033438A CN105033438A CN201510178237.3A CN201510178237A CN105033438A CN 105033438 A CN105033438 A CN 105033438A CN 201510178237 A CN201510178237 A CN 201510178237A CN 105033438 A CN105033438 A CN 105033438A
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- steelwork
- alumiaum article
- steel composite
- composite members
- aluminum steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 83
- 239000010959 steel Substances 0.000 title claims abstract description 83
- 239000002131 composite material Substances 0.000 title claims abstract description 69
- 238000003466 welding Methods 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 33
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 77
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 77
- 229910000679 solder Inorganic materials 0.000 claims abstract description 63
- 230000003746 surface roughness Effects 0.000 claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 239000011261 inert gas Substances 0.000 claims description 2
- 238000004381 surface treatment Methods 0.000 claims description 2
- 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
- 239000000758 substrate Substances 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract 1
- 235000010210 aluminium Nutrition 0.000 description 67
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 8
- 239000004411 aluminium Substances 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 6
- 238000007493 shaping process Methods 0.000 description 6
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000004519 manufacturing process Methods 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
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
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 a kind of welding method and aluminum steel composite members of aluminum steel composite members, belong to friction-welding technique technical field.
Background technology
In prior art, for the joint of the such dissimilar metal of steel aluminium, usually by fusion weld, or use the mechanical connection manners such as rivet, or bonding by glue.
When adopting fusion weld, because the heat being input to welding position is too large, faying face place easily between steel aluminium forms fragile intermetallic compound, reduce the bond strength between steel aluminium, under long-time use, especially under the effect of moment of torsion, easily rupture in commissure, causes structural failure.
Adopt glue bonding time, the engaging force between steel aluminium does not usually reach requirement yet, and, glue in addition may because of aging engaging force that is that reduce further between steel aluminium.
When being engaged by mechanical means such as rivets, then exist and affect product design because of riveted joint, or produce the problem of fatigue fracture because riveted joint position uses for a long time.
In sum, how providing a kind of is the technical barrier also do not solved in prior art in conjunction with firm aluminum steel composite members.
Summary of the invention
Therefore, technical problem to be solved by this invention is that the production method overcoming steel combined with aluminum part of the prior art makes steel engage unstable technical problem with aluminium, thus proposes a kind of production method that can make to engage between steel with aluminium firm aluminum steel composite members.
For this reason, the invention provides a kind of welding method of aluminum steel composite members, it is characterized in that, comprise the following steps:
Adopt surface roughness at 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;
Fixing steelwork and alumiaum article, and make the plate face of alumiaum article contact formation solder side with the end face aligning of steelwork, alumiaum article is applied to the component of the also power vertical with solder side or power towards steelwork direction, make the component of this power or power produce the pressure of 280-380KN to solder side;
Keep the pressure suffered by solder side, and steelwork is rotated relative to alumiaum article, revolution is 300-500 rev/min, after 3-5s, make steelwork stop the rotation, in steelwork rotary course, make steelwork extend into gradually in alumiaum article with the speed of 0.8-1mm/s, engage with the alumiaum article of state of plastic deformation and form aluminum steel composite members;
Aluminum steel composite members is cooled to room temperature, cooling rate 200-300 DEG C/min, completes welding.
Also comprise and surface treatment is carried out to control the step of alumiaum article and steelwork surface roughness to the solder side of alumiaum article and steelwork.
Steelwork and alumiaum article rotate joint in inert gas atmosphere.
After steelwork stops the rotation, continue to keep above-mentioned pressure to solder side, the dwell time is no less than 10s.
After completing welding, solder side is locally heated to 200-250 DEG C, and is incubated 1-2h.
The solder side of the alumiaum article selected has round table-like hole slot, the hole slot degree of depth is 1-2mm, the solder side of the steelwork selected has round table-like boss, the large 3-5 ° of the angle that the angle that bus and the boss axis of boss are formed is formed than bus and the hole slot axis of hole slot, during welding, the axis of hole slot and boss is aimed at.
The angle that the bus of round table-like boss and boss axis are formed is 83-88 °.
The angle that the bus of round table-like hole slot and hole slot axis are formed is 80-85 °.
The present invention also provides a kind of aluminum steel composite members, comprises the alumiaum article of tabular or bulk, and the columned steelwork be welded and fixed with the plate face of alumiaum article, and described alumiaum article and described steelwork adopt the welding method described in above-mentioned any one to be welded and fixed.
The welding method tool of aluminum steel composite members provided by the invention has the following advantages:
1. the welding method of aluminum steel composite members provided by the invention, by reasonably arranging surface roughness, pressure, revolution, stretching into speed, cooling rate, enough temperature are produced when ensure that welding, the metal at solder side place is made to produce plastic deformation, and commissure forms the aluminium-steel land of adequate thickness after making welding, and commissure does not produce the defect such as bubble, crackle, the tensile strength of commissure is made to be greater than the tensile strength at aluminum substrate place.After completing welding, the residual stress that local heat can remove commissure is carried out to solder side, improve the bonding strength of commissure.
2. the welding method of aluminum steel composite members provided by the invention, the hole slot that preformed is round table-like on alumiaum article plate face, at the shaping round table-like boss of the welding ends of steelwork, the bus of round table-like boss and the angle of boss axis are arranged to large 3-5 ° than the bus of round table-like hole slot and the angle of hole slot axis simultaneously, on the one hand, by round platform and hole slot aligned fit, location is provided for what weld front steelwork and alumiaum article, on the other hand, when welding, steelwork extend in alumiaum article, steelwork and alumiaum article form the solder bond face on round platform surface, improve bonded area, improve the weld strength between steelwork and alumiaum article, in addition, preformed hole slot also can reduce the amount that alumiaum article overflows from welding region.
3. aluminum steel composite members provided by the invention, because adopting said method to be prepared from, therefore has very high peel strength, and aluminium and steel combine stable, high life.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the structural representation before alumiaum article of the present invention and steelwork weld;
Fig. 2 is the structural representation after aluminum steel composite members of the present invention Vehicle Processing;
In figure, Reference numeral is expressed as: 1-steelwork; 2-alumiaum article; 3-cylinder; 31-blind hole; 4-round base; The round table-like protuberance of 41-; The circular protuberance of 42-; 43-lobe.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in detail.
Embodiment 1
The present embodiment provides a kind of welding method of aluminum steel composite members, comprises the following steps:
S1: adopt surface roughness to be the cylindric steelwork of Ra1.6 at the plate like aluminium part of Ra1.6 and surface roughness, alumiaum article thickness is 9mm, and steelwork diameter is 20mm, and alumiaum article is 1060 fine aluminiums, and steelwork is 304 stainless steels;
S2: fixing alumiaum article and steelwork, and make the plate face of alumiaum article contact formation solder side with the end face aligning of steelwork, alumiaum article is applied to the component of the also power vertical with solder side or power towards steelwork direction, make the component of this power or power produce the pressure of 280KN to solder side;
S3: keep the pressure suffered by solder side, and steelwork is rotated relative to alumiaum article, revolution is 300 revs/min, after 5s, make steelwork stop the rotation, in steelwork rotary course, make steelwork extend into gradually in alumiaum article with the speed of 1mm/s, engage with the alumiaum article of state of plastic deformation and form aluminum steel composite members, wherein, after stopping the rotation, continuing the pressure keeping 10s;
S4: aluminum steel composite members is cooled to room temperature, cooling rate 200 DEG C/min, completes welding.
S5: after completing welding, unclamps aluminum steel composite members, and is placed in heater, solder side is locally heated to 200 DEG C, and is incubated 2h.
Utilize above-mentioned welding method to produce the aluminum steel composite members obtained, the alumiaum article of tabular comprising columned steelwork and be welded to connect with the end face of columned steelwork, the peel strength of this aluminum steel composite members is in table 1.
Embodiment 2
S1: adopt surface roughness to be the cylindric steelwork of Ra5.6 at the plate like aluminium part of Ra1.6 and surface roughness, alumiaum article thickness is 10mm, and steelwork diameter is 21mm;
S2: fixing alumiaum article and steelwork, and make the plate face of alumiaum article contact formation solder side with the end face aligning of steelwork, alumiaum article is applied to the component of the also power vertical with solder side or power towards steelwork direction, make the component of this power or power produce the pressure of 320KN to solder side;
S3: keep the pressure suffered by solder side, and steelwork is rotated relative to alumiaum article, revolution is 400 revs/min, after 3s, make steelwork stop the rotation, in steelwork rotary course, make steelwork extend into gradually in alumiaum article with the speed of 0.8mm/s, engage with the alumiaum article of state of plastic deformation and form aluminum steel composite members, wherein, after stopping the rotation, continuing the pressure keeping 11s;
S4: aluminum steel composite members is cooled to room temperature, cooling rate 250 DEG C/min, completes welding.
S5: after completing welding, unclamps aluminum steel composite members, and is placed in heater, solder side is locally heated to 220 DEG C, and is incubated 1.2h.
Utilize above-mentioned welding method to produce the aluminum steel composite members obtained, the alumiaum article of tabular comprising columned steelwork and be welded to connect with the end face of columned steelwork, the peel strength of this aluminum steel composite members is in table 1.
Embodiment 3
S1: adopt surface roughness to be the cylindric steelwork of Ra4.6 at the plate like aluminium part of Ra6.3 and surface roughness, alumiaum article thickness is 13mm, and steelwork diameter is 23mm;
S2: fixing alumiaum article and steelwork, and make the plate face of alumiaum article contact formation solder side with the end face aligning of steelwork, alumiaum article is applied to the component of the also power vertical with solder side or power towards steelwork direction, make the component of this power or power produce the pressure of 380KN to solder side;
S3: keep the pressure suffered by solder side, and steelwork is rotated relative to alumiaum article, revolution is 500 revs/min, after 4s, make steelwork stop the rotation, in steelwork rotary course, make steelwork extend into gradually in alumiaum article with the speed of 0.9mm/s, engage with the alumiaum article of state of plastic deformation and form aluminum steel composite members, wherein, after stopping the rotation, continuing the pressure keeping 12s;
S4: aluminum steel composite members is cooled to room temperature, cooling rate 300 DEG C/min, completes welding.
S5: after completing welding, unclamps aluminum steel composite members, and is placed in heater, solder side is locally heated to 250 DEG C, and is incubated 1h.
Utilize above-mentioned welding method to produce the aluminum steel composite members obtained, the alumiaum article of tabular comprising columned steelwork and be welded to connect with the end face of columned steelwork, the peel strength of this aluminum steel composite members is in table 1.
Embodiment 4
S1: adopt surface roughness to be the cylindric steelwork of Ra4.6 at the plate like aluminium part of Ra6.3 and surface roughness, alumiaum article thickness is 13mm, and steelwork diameter is 23mm; At the hole slot that the solder side preformed of alumiaum article is round table-like, the hole slot degree of depth is 1.5mm; Shaping round table-like boss on the solder side of steelwork, the bus of round table-like boss and the angle of boss axis are 83 °; The bus of round table-like hole slot and the angle of hole slot axis are 80 °;
S2: fixing alumiaum article and steelwork, and make the plate face of alumiaum article contact formation solder side with the end face aligning of steelwork, alumiaum article is applied to the component of the also power vertical with solder side or power towards steelwork direction, make the component of this power or power produce the pressure of 380KN to solder side;
S3: keep the pressure suffered by solder side, and steelwork is rotated relative to alumiaum article, revolution is 500 revs/min, after 4s, make steelwork stop the rotation, in steelwork rotary course, make steelwork extend into gradually in alumiaum article with the speed of 0.9mm/s, engage with the alumiaum article of state of plastic deformation and form aluminum steel composite members, wherein, after stopping the rotation, continuing the pressure keeping 12s;
S4: aluminum steel composite members is cooled to room temperature, cooling rate 300 DEG C/min, completes welding.
S5: after completing welding, unclamps aluminum steel composite members, and is placed in heater, solder side is locally heated to 250 DEG C, and is incubated 1h.
Utilize above-mentioned welding method to produce the aluminum steel composite members obtained, the alumiaum article of tabular comprising columned steelwork and be welded to connect with the end face of columned steelwork, the peel strength of this aluminum steel composite members is in table 1.
Embodiment 5
S1: adopt surface roughness to be the cylindric steelwork of Ra6.3 at the plate like aluminium part of Ra1.6 and surface roughness, alumiaum article thickness is 10mm, and steelwork diameter is 21mm; At the hole slot that the solder side preformed of alumiaum article is round table-like, the hole slot degree of depth is 1mm; Shaping round table-like boss on the solder side of steelwork, the bus of round table-like boss and the angle of boss axis are 87 °; The bus of round table-like hole slot and the angle of hole slot axis are 82 °;
S2: fixing alumiaum article and steelwork, and make the plate face of alumiaum article contact formation solder side with the end face aligning of steelwork, alumiaum article is applied to the component of the also power vertical with solder side or power towards steelwork direction, make the component of this power or power produce the pressure of 320KN to solder side;
S3: keep the pressure suffered by solder side, and steelwork is rotated relative to alumiaum article, revolution is 400 revs/min, after 3s, make steelwork stop the rotation, in steelwork rotary course, make steelwork extend into gradually in alumiaum article with the speed of 0.8mm/s, engage with the alumiaum article of state of plastic deformation and form aluminum steel composite members, wherein, after stopping the rotation, continuing the pressure keeping 11s;
S4: aluminum steel composite members is cooled to room temperature, cooling rate 250 DEG C/min, completes welding.
S5: after completing welding, unclamps aluminum steel composite members, and is placed in heater, solder side is locally heated to 220 DEG C, and is incubated 1.2h.
Utilize above-mentioned welding method to produce the aluminum steel composite members obtained, the alumiaum article of tabular comprising columned steelwork and be welded to connect with the end face of columned steelwork, the peel strength of this aluminum steel composite members is in table 1.
Embodiment 6
S1: adopt surface roughness to be the cylindric steelwork of Ra1.6 at the plate like aluminium part of Ra1.6 and surface roughness, alumiaum article thickness is 9mm, and steelwork diameter is 20mm, and alumiaum article is 1060 fine aluminiums, and steelwork is 304 stainless steels; At the hole slot that the solder side preformed of alumiaum article is round table-like, the hole slot degree of depth is 2mm; Shaping round table-like boss on the solder side of steelwork, the bus of round table-like boss and the angle of boss axis are 88 °; The bus of round table-like hole slot and the angle of hole slot axis are 85 °;
S2: fixing alumiaum article and steelwork, and make the plate face of alumiaum article contact formation solder side with the end face aligning of steelwork, and ensure that the axis of hole slot and boss is aimed at simultaneously, alumiaum article is applied to the component of the also power vertical with solder side or power towards steelwork direction, make the component of this power or power produce the pressure of 280KN to solder side;
S3: keep the pressure suffered by solder side, and steelwork is rotated relative to alumiaum article, revolution is 300 revs/min, after 5s, make steelwork stop the rotation, in steelwork rotary course, make steelwork extend into gradually in alumiaum article with the speed of 1mm/s, engage with the alumiaum article of state of plastic deformation and form aluminum steel composite members, wherein, after stopping the rotation, continuing the pressure keeping 10s;
S4: aluminum steel composite members is cooled to room temperature, cooling rate 200 DEG C/min, completes welding.
S5: after completing welding, unclamps aluminum steel composite members, and is placed in heater, solder side is locally heated to 200 DEG C, and is incubated 2h.
Utilize above-mentioned welding method to produce the aluminum steel composite members obtained, the alumiaum article of tabular comprising columned steelwork and be welded to connect with the end face of columned steelwork, the peel strength of this aluminum steel composite members is in table 1.The welding method of the aluminum steel composite members in embodiment 1-3, by reasonably arranging surface roughness, pressure, revolution, stretching into speed, cooling rate, enough temperature are produced when ensure that welding, the metal at solder side place is made to produce plastic deformation, and commissure forms the aluminium-steel land of adequate thickness after making welding, and commissure does not produce the defect such as bubble, crackle, the tensile strength of commissure is made to be greater than the tensile strength at aluminum substrate place.After completing welding, the residual stress that local heat can remove commissure is carried out to solder side, improve the bonding strength of commissure.
The welding method of the aluminum steel composite members in embodiment 4-6, be out of shape on the basis of the method described in embodiment 1-3, as shown in Figure 1, at the hole slot that the solder side preformed of alumiaum article is round table-like, hole slot degree of depth L1 is 1-2mm, the shaping round table-like boss of welding ends of steelwork, the width L2 of boss is basic equal with hole slot degree of depth L1, the bus of boss and the angle β of boss axis are 83-88 °, the bus of hole slot and the angle α of hole slot axis are 80-85 ° and will ensure that the angle of the bus of round table-like boss and boss axis is than the bus of round table-like hole slot and the large 3-5 ° of the angle of hole slot axis, during welding, the axis of hole slot and boss is aimed at.The hole slot that preformed is round table-like on alumiaum article plate face, at the shaping round table-like boss of the welding ends of steelwork, the bus of round table-like boss and the angle of boss axis are arranged to large 3-5 ° than the bus of round table-like hole slot and the angle of hole slot axis simultaneously, on the one hand, by round platform and hole slot aligned fit, location is provided for what weld front steelwork and alumiaum article, on the other hand, when welding, steelwork extend in alumiaum article, steelwork and alumiaum article form the solder bond face on round platform surface, improve bonded area, improve the weld strength between steelwork and alumiaum article, in addition, preformed hole slot also can reduce the amount that alumiaum article overflows from welding region.
After the aluminum steel composite members obtained by the welding method of the aluminum steel composite members of embodiment 1-6, the aluminum steel composite members with given shape can produced by machined, as shown in Figure 2, for a kind of as the aluminum steel composite members of lithium battery anode end cap, comprise, the round base 4 of aluminum, the cylinder 3 of steel, the cylinder 3 of steel is embedded into pedestal 4 from an end face of pedestal 4, the center of another end face of pedestal 4 forms round table-like protuberance 41, marginal position forms circular protuberance 42, the sidewall of pedestal 4 forms the lobe 43 formed an angle with pedestal 4 radial shape, cylinder 3 center forms and extend into columned blind hole 31 in pedestal 4, blind hole 31 inwall forms screw thread.In above-mentioned aluminum steel composite members, structure and shape are all obtained by mach mode after being welded with alumiaum article by steelwork.
The welding method of the aluminum steel composite members of the embodiment 1-6 that it may be noted that, after steelwork rotates the corresponding time (3-5s) relative to alumiaum article, needing to be reduced to rapidly speed is 0, and this down speeding procedure must not more than 0.15s.
Experimental example
Carry out peeling strength test according to Japanese Industrial Standards JISZ3144 to the aluminum steel composite members that embodiment 1-6 obtains, result of the test is as shown in the table.
Peeling strength test result of the test in table 1 embodiment 1-6
| 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 for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (9)
1. a welding method for aluminum steel composite members, is characterized in that, comprises the following steps:
Adopt surface roughness at 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;
Fixing steelwork and alumiaum article, and make the plate face of alumiaum article contact formation solder side with the end face aligning of steelwork, alumiaum article is applied to the component of the also power vertical with solder side or power towards steelwork direction, make the component of this power or power produce the pressure of 280-380KN to solder side;
Keep the pressure suffered by solder side, and steelwork is rotated relative to alumiaum article, revolution is 300-500 rev/min, after 3-5s, make steelwork stop the rotation, in steelwork rotary course, make steelwork extend into gradually in alumiaum article with the speed of 0.8-1mm/s, engage with the alumiaum article of state of plastic deformation and form aluminum steel composite members;
Aluminum steel composite members is cooled to room temperature, cooling rate 200-300 DEG C/min, completes welding.
2. the welding method of aluminum steel composite members according to claim 1, is characterized in that, also comprises and carries out surface treatment to control the step of alumiaum article and steelwork surface roughness to the solder side of alumiaum article and steelwork.
3. the welding method of aluminum steel composite members according to claim 1 and 2, is characterized in that, steelwork and alumiaum article rotate joint in inert gas atmosphere.
4. the welding method of the aluminum steel composite members according to any one of claim 1-3, is characterized in that, after steelwork stops the rotation, continue to keep above-mentioned pressure to solder side, the dwell time is no less than 10s.
5. the welding method of the aluminum steel composite members according to any one of claim 1-4, is characterized 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 any one of claim 1-5, it is characterized in that, the solder side of the alumiaum article selected has round table-like hole slot, the hole slot degree of depth is 1-2mm, the solder side of the steelwork selected has round table-like boss, the large 3-5 ° of the angle that the angle that bus and the boss axis of boss are formed is formed than bus and the hole slot axis of hole slot, during welding, makes the axis of hole slot and boss aim at.
7. the welding method of aluminum steel composite members according to claim 6, is characterized in that, the angle that the bus of round table-like boss and boss axis are formed is 83-88 °.
8. the welding method of the aluminum steel composite members according to any one of claim 1-7, is characterized in that, the angle that the bus of round table-like hole slot and hole slot axis are formed is 80-85 °.
9. an aluminum steel composite members, comprise the alumiaum article of tabular or bulk, and with the columned steelwork that the plate face of alumiaum article is welded and fixed, it is characterized in that: described alumiaum article and described steelwork adopt the welding method according to any one of claim 1-8 to be welded and fixed.
Priority Applications (1)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105397276A (en) * | 2015-12-15 | 2016-03-16 | 哈尔滨工业大学 | Friction stir welding additive manufacture method of bar material |
| CN108757691A (en) * | 2018-06-25 | 2018-11-06 | 苏州鑫金茂金属科技有限公司 | The welding method of copper Self-Clinching Standoffs on a kind of sheet metal component |
| 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 |
| 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 |
| CN110621868A (en) * | 2017-07-14 | 2019-12-27 | 日本制铁株式会社 | Piston for internal combustion engine and method for manufacturing same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105397276A (en) * | 2015-12-15 | 2016-03-16 | 哈尔滨工业大学 | Friction stir welding additive manufacture method of bar material |
| CN110621868A (en) * | 2017-07-14 | 2019-12-27 | 日本制铁株式会社 | Piston for internal combustion engine and method for manufacturing same |
| CN108757691A (en) * | 2018-06-25 | 2018-11-06 | 苏州鑫金茂金属科技有限公司 | The welding method of copper Self-Clinching Standoffs on a kind of sheet metal component |
| 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 |
| 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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