CN1555955A - Semisolid superplasticity connecting method of dissimilar metal plate material - Google Patents
Semisolid superplasticity connecting method of dissimilar metal plate material Download PDFInfo
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- CN1555955A CN1555955A CNA2004100258147A CN200410025814A CN1555955A CN 1555955 A CN1555955 A CN 1555955A CN A2004100258147 A CNA2004100258147 A CN A2004100258147A CN 200410025814 A CN200410025814 A CN 200410025814A CN 1555955 A CN1555955 A CN 1555955A
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- semisolid
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- superplasticity
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Abstract
A semisolid-state superplastic connecting method for different two metallic plates includes aligning two metallic plate to be connected, fixing them on the bench of friction welder, fixing the friction head by a rotary fixture, and rotating the friction head at 1000-2000 rpm under 100-300 kgf of welding pressure while moving it at 35-90 mm/min of speed to generate semisolid-state superplastic connection. Its advantages are high speed and high connection strength.
Description
Technical field
The present invention relates to the semisolid superplasticity method of attachment of a kind of method of attachment, particularly dissimilar metal sheet.
Background technology
The connection of the metallic plate of known two kinds of unlike materials is very difficult with common fusion welding method, and therefore many with riveted joint or screw connection, this connection also can produce harmful effect to bonding strength and serviceability except meeting increases construction weight.Particularly the bonding strength requirement is not only arranged but also also have the air-tightness requirement at some, the demanding workplace of bending strength, it is this that to influence meeting bigger.
Summary of the invention
In order to overcome the shortcoming that prior art connects the sheet metal of two kinds of unlike materials, the invention provides a kind of semisolid superplasticity method of attachment of dissimilar metal sheet, can alleviate the weight that riveted joint or screw connect, bonding strength and serviceability are not had harmful effect, and can adapt to and have air-tightness to require and the demanding workplace of bending strength.
The technical solution adopted for the present invention to solve the technical problems is: one side alignment that the sheet metal of two kinds of unlike materials need be connected, be fixed on the bench of friction welder with pressing plate, stirring-head 3 is fixed in the rolling clamp, setting rotating speed is that 1000～2000 commentaries on classics/min, stirring-head 3 velocity of displacements are that 35～90mm/min, welding pressure are 100～300Kgf, the starting friction welding machine, the semisolid superplastic behavior appears in the commissure of sheet metal under the effect of stirring-head 3, realize firmly connecting.
The present invention's advantage compared to existing technology is: owing to adopt friction stir welding method, make stirring-head at certain rotating speed, as 1000～2000 commentaries on classics/min, certain velocity of displacement, as 35～90mm/min and certain welding pressure, under the effect as 100～300Kgf, make the metallic plate of two kinds of unlike materials produce sufficient plastic deformation in the drop shadow spread of stirring-head, stirring area reaches semisolid superplasticity state, thereby realizes firm connection.This inventive method is simple, efficient is high, connection is reliable; The bonding strength of joint can meet or exceed the intensity of mother metal.Even crooked nearly 180 ° are not found crackle yet.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a schematic diagram of the present invention
Fig. 2 is the full face of embodiment brass sheet and copper plate joint
Fig. 3 is the back side photo of embodiment brass sheet and copper plate joint
Fig. 4 is the tensile sample photo of embodiment brass sheet and copper plate joint
Fig. 5 is the bend specimen photo of embodiment brass sheet and copper plate joint
1-A metallic plate 2-B metallic plate 3-stirring-head 4-joint face among the figure
The specific embodiment
Friction stir welding (FSW) is the novel Friction welding technique that grew up in recent years, it not only has the advantage of traditional friction welding, and has broken through the restriction that traditional friction welding can only be welded axial workpiece, can weld straight weld, realize multiple joint form, the welding of diverse location.This invention is exactly to realize that with friction stir welding method the semisolid superplasticity of dissimilar metal sheet connects.
Below, just utilize friction stir welding method to realize that the semisolid superplasticity connection of dissimilar metal sheet is described in detail.The example that is connected to brass sheet H62 and copper plate T2, A metallic plate 1 usefulness copper plate is replaced, B metallic plate 2 usefulness brass sheetes are replaced, two one side alignment that metallic plate need connect, form joint face 4, and be fixed on the bench of friction welder with pressing plate, stirring-head 3 is fixed in the rolling clamp, setting rotating speed is 1000 commentaries on classics/min, stirring-head 3 translational speeds are 35mm/min, welding pressure is 100Kgf, the starting friction welding machine, make copper plate and brass sheet produce sufficient plastic deformation in the drop shadow spread of stirring-head 3, stirring area reaches semisolid superplasticity state, thereby realizes firm connection.
The example that is connected to stainless steel 1Cr18Ni9Ti and structural alloy steel 40 Cr, alignd in one side that stainless steel 1 and structural alloy steel 2 needs be connected, A metallic plate 1 usefulness stainless steel is replaced, B metallic plate 2 usefulness structural alloy steels are replaced, two one side alignment that metallic plate need connect, form joint face 4, and be fixed on the bench of friction welder with pressing plate, stirring-head 3 is fixed in the rolling clamp, setting rotating speed is 2000 commentaries on classics/min, stirring-head 3 translational speeds are 90mm/min, welding pressure is 300Kgf, the starting friction welding machine, make stainless steel and structural alloy steel in the drop shadow spread of stirring-head 3, produce sufficient plastic deformation, stirring area reaches semisolid superplasticity state, thereby realizes firm connection.
Claims (1)
1, a kind of semisolid superplasticity method of attachment of dissimilar metal sheet, it is characterized in that: one side alignment that the sheet metal of two kinds of unlike materials need be connected, be fixed on the bench of friction welder with pressing plate, stirring-head 3 is fixed in the rolling clamp, setting rotating speed is that 1000～2000 commentaries on classics/min, stirring-head 3 velocity of displacements are that 35～90mm/min, welding pressure are 100～300Kgf, the starting friction welding machine, the semisolid superplastic behavior appears in the commissure of sheet metal under the effect of stirring-head 3, realize firmly connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100258147A CN1555955A (en) | 2004-01-09 | 2004-01-09 | Semisolid superplasticity connecting method of dissimilar metal plate material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100258147A CN1555955A (en) | 2004-01-09 | 2004-01-09 | Semisolid superplasticity connecting method of dissimilar metal plate material |
Publications (1)
| Publication Number | Publication Date |
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| CN1555955A true CN1555955A (en) | 2004-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2004100258147A Pending CN1555955A (en) | 2004-01-09 | 2004-01-09 | Semisolid superplasticity connecting method of dissimilar metal plate material |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972891A (en) * | 2010-10-21 | 2011-02-16 | 西北工业大学 | Friction stir welding method and special stirring head of aluminum alloy and 1Cr18Ni9Ti stainless steel |
| CN102248112A (en) * | 2011-06-10 | 2011-11-23 | 郑州大学 | Stirring friction riveting device and method for light metal plate |
| CN102581471A (en) * | 2012-03-08 | 2012-07-18 | 沈阳航空航天大学 | Ultrasonic assisted semi-solid friction stir welding method using fixed shaft shoulder and rotary stirring pin |
| CN101733571B (en) * | 2009-10-28 | 2012-07-18 | 河南科技大学 | Superplastic welding experimental device and method by utilizing electric field action |
| CN102581474A (en) * | 2012-03-08 | 2012-07-18 | 沈阳航空航天大学 | Semi-solid friction stir welding method using fixed shaft shoulder and rotary large-diameter stirring pin |
| CN110691668A (en) * | 2017-10-27 | 2020-01-14 | 日本轻金属株式会社 | Joining method and method for producing composite rolled material |
-
2004
- 2004-01-09 CN CNA2004100258147A patent/CN1555955A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101733571B (en) * | 2009-10-28 | 2012-07-18 | 河南科技大学 | Superplastic welding experimental device and method by utilizing electric field action |
| CN101972891A (en) * | 2010-10-21 | 2011-02-16 | 西北工业大学 | Friction stir welding method and special stirring head of aluminum alloy and 1Cr18Ni9Ti stainless steel |
| CN102248112A (en) * | 2011-06-10 | 2011-11-23 | 郑州大学 | Stirring friction riveting device and method for light metal plate |
| CN102581471A (en) * | 2012-03-08 | 2012-07-18 | 沈阳航空航天大学 | Ultrasonic assisted semi-solid friction stir welding method using fixed shaft shoulder and rotary stirring pin |
| CN102581474A (en) * | 2012-03-08 | 2012-07-18 | 沈阳航空航天大学 | Semi-solid friction stir welding method using fixed shaft shoulder and rotary large-diameter stirring pin |
| CN110691668A (en) * | 2017-10-27 | 2020-01-14 | 日本轻金属株式会社 | Joining method and method for producing composite rolled material |
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