CN100551582C - A kind of device for preparing metastable state Cu-base and Ni base double-layer alloy composite foil - Google Patents
A kind of device for preparing metastable state Cu-base and Ni base double-layer alloy composite foil Download PDFInfo
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- CN100551582C CN100551582C CNB200710019099XA CN200710019099A CN100551582C CN 100551582 C CN100551582 C CN 100551582C CN B200710019099X A CNB200710019099X A CN B200710019099XA CN 200710019099 A CN200710019099 A CN 200710019099A CN 100551582 C CN100551582 C CN 100551582C
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Abstract
The invention discloses a kind of device for preparing metastable state Cu-base and Ni base double-layer alloy composite foil, comprise vacuum chamber, the wallboard of vacuum chamber is provided with vavuum pump and by motor-driven running roller, on vacuum chamber, be connected with little vacuum chamber, little vacuum chamber is provided with the argon gas import, the bottom of little vacuum chamber is connected with crucible, crucible is placed in the radio-frequency induction coil, the inner chamber of crucible by in every being separated into two working chambers, the bottom of each working chamber all offers a nozzle, radio-frequency induction coil is positioned at the top of running roller, is provided with collecting chamber at the side of vacuum chamber.Apparatus of the present invention can be implemented the preparation of metastable state Cu-base and Ni base double-layer alloy composite foil, and technology is simple, and are easy to operate, are convenient to extensive use.
Description
Technical field
The invention belongs to material manufacturing technology field, relate to a kind of device for preparing metastable state Cu-base and Ni base double-layer alloy composite foil.
Background technology
The syndeton of new material and foreign material adopts in a large number at present, and copper alloy and stainless steel syndeton become a kind of important part.But, copper and stainless welding belong to the welding of dissimilar metal, both physical properties differ greatly, the two certainly will produce very big stress when forming welding, can form low-melting eutectic and frangible compounds in the welding process, the weld metal zone easily produces fire check, copper and stainless melting welding poor-performing.Transition liquid phase diffusion weld is a kind of intermediate layer welding of presetting before weldering, exerts pressure then, heats and be incubated, and can realize the welding method of combination, and the joint mechanical property of acquisition is higher.Except the influence of technological factor, joint performance depends primarily on the composition of transition zone alloy and elemental diffusion behavior in welding process.Therefore, a kind of metastable state Cu-base and Ni base double-layer alloy composite foil are developed and produced to the preparation rational composition, controls elemental diffusion in the welding process, is the key that realizes copper and stainless steel TLP weldering.Therefore, design, prepare the compound buffer layer material that is suitable for copper and stainless steel TLP weldering, promptly develop and produce a kind of metastable state Cu-base and Ni base double-layer alloy composite foil, has the important engineering meaning, but prior art only can be prepared individual layer metastable state foil, also is difficult to preparation metastable state Cu-base and Ni base double-layer alloy composite foil.
Summary of the invention
The purpose of this invention is to provide a kind of device for preparing metastable state Cu-base and Ni base double-layer alloy composite foil, can prepare metastable state Cu-base and Ni base double-layer alloy composite foil material.
The technical solution adopted in the present invention is, a kind of device for preparing metastable state Cu-base and Ni base double-layer alloy composite foil, comprise a vacuum chamber, the wallboard of vacuum chamber is provided with vavuum pump and by motor-driven running roller, on vacuum chamber, be connected with little vacuum chamber, little vacuum chamber is provided with the argon gas import, the bottom of little vacuum chamber and crucible are connected, the inner chamber of crucible by in every being separated into two working chambers, the bottom of each working chamber offers the nozzle of a long strip type respectively, crucible is placed in the radio-frequency induction coil, and radio-frequency induction coil is positioned at the top of running roller, is provided with collecting chamber at the side of vacuum chamber.
Nozzle is wide to be 0.3mm, and length is 3～7mm.
Motor is selected the adjustable high speed single-phase asynchronous motor of angular speed for use, and roll surface speed is controlled at 10～50m/s.
The invention has the beneficial effects as follows, whole apparatus structure compactness, technology is simple, is convenient to operation.
Description of drawings
Fig. 1 is the structural representation of apparatus of the present invention;
Fig. 2 is the Alloy Foil preparation principle schematic diagram of prior art;
Fig. 3 is the structural representation of an embodiment of apparatus of the present invention;
Fig. 4 is the double-layer alloy composite foil preparation principle schematic diagram of apparatus of the present invention.
Among the figure, 1, little vacuum chamber, 2, crucible, 3, collecting chamber, 4, metastable state double-layer alloy band, 5, vacuum chamber, 6, radio-frequency induction coil, 7, motor, 8, running roller, 9, Cu base foundry alloy piece, 10, Ni base foundry alloy piece, 11, vavuum pump, 12, the acid bronze alloy layer, 13, Ni base alloy-layer.
The specific embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, be the metastable state Cu-base of apparatus of the present invention preparation and the structural representation of Ni base double-layer alloy composite foil, the chemical composition of Cu base alloy-layer is 7%～20% according to percentage by weight Sn, and B is 0.5%～1.0%, and all the other are Cu; The chemical composition of Ni base alloy-layer is that Si is 5%～9% according to percentage by weight, and B is 0.5%～1.0%, and all the other are Ni.
As shown in Figure 2, be the structural representation of prior-art devices.Crucible 2 is placed in the radio-frequency induction coil 6, radio-frequency induction coil 6 be positioned at running roller 8 directly over, motor is selected the adjustable high-speed electric expreess locomotive of angular speed for use, drive roller wheel 8 is rotated, roll surface speed is controlled at different speed, just can satisfies the preparation needs of different-thickness paper tinsel band.
As shown in Figure 3, be the structural representation of the embodiment of apparatus of the present invention.The wallboard of vacuum chamber 5 is provided with vavuum pump 11, the base plate of vacuum chamber 5 is provided with the running roller 8 by motor 7 transmissions, on vacuum chamber 5, be provided with little vacuum chamber 1, little vacuum chamber 1 is provided with the import of Ar gas, the bottom of little vacuum chamber 1 is connected with the quartzy silica crucible of making 2, silica crucible 2 is placed in the radio-frequency induction coil 6, radio-frequency induction coil 6 be positioned at running roller 8 directly over, side at vacuum chamber 5 is provided with collecting chamber 3, prepares metastable state alloy composite insulating foil 4 and enters collection in the collecting chamber 3.The number of turn of radio-frequency induction coil 6 prepares the fusing point of composite insulating foil material and mutual temperature contrast coiling thereof as required.Motor 7 is selected the adjustable high speed single-phase asynchronous motor of angular speed for use, and roll surface speed is controlled at 10～50m/s, to satisfy the preparation needs of different-thickness paper tinsel band, difference according to roll surface speed, the thickness of the alloy strip of making 4 is 30～50 μ m, and width is 3～7mm, and length is 1～2m.
As shown in Figure 4, be the schematic diagram of the embodiment of apparatus of the present invention.The cross section ovalize of silica crucible 2 profiles, its inner chamber by in every being separated into two working chambers, a working chamber is a Cu base foundry alloy piece 9, a working chamber is a Ni base foundry alloy piece 10, the bottom of each working chamber all offers wide about 0.3mm, length is the slit injector of 3～7mm, two nozzle opening direction keeping parallelisms.When placing crucible before the melting, note the front and back order and the directionality of two nozzles, guarantee just to be superimposed behind the double-layer alloy liquid mass flowing nozzle.
The operation principle of apparatus of the present invention is,
At first, will melt two inner chambers that basic foundry alloy piece 9 of the Cu for preparing and Ni base foundry alloy piece 10 are put into oval silica crucible 2 respectively;
Then, open vavuum pump 11, after vacuum chamber 5 is vacuumized, fill high-purity Ar gas from the import of Ar gas again, after the process that " vacuumizes-fill Ar gas " repeatedly 3～5 times, connect high-frequency induction equipment heating Cu base foundry alloy piece 9 and Ni base foundry alloy piece 10 makes its fusing;
At last, open motor 7, drive roller wheel 8 rotation at a high speed, open the import of Ar gas immediately, utilize high speed Ar air-flow that alloy liquid is sprayed rapidly from separately slit injector, stream be mapped at a high speed rotation Cu matter running roller 8 surfaces and moment quench solidification, throw away and form metastable state double-layer alloy band 4 in the tangential direction of centrifugal action lower edge running roller 8.
In sum, apparatus of the present invention can be implemented the preparation of metastable state Cu-base and Ni base double-layer alloy composite foil, and technology is simple, and is easy to operate, is convenient to extensive use.
Claims (3)
1, a kind of device for preparing metastable state Cu-base and Ni base double-layer alloy composite foil, it is characterized in that: comprise a vacuum chamber (5), the running roller (8) that the wallboard of vacuum chamber (5) is provided with vavuum pump (11) and is driven by motor (7), on vacuum chamber (5), be connected with little vacuum chamber (1), little vacuum chamber (1) is provided with the argon gas import, the bottom of little vacuum chamber (1) and crucible (2) are connected, the inner chamber of crucible (2) by in every being separated into two working chambers, the bottom of each working chamber offers a nozzle respectively, crucible (2) is placed in the radio-frequency induction coil (6), radio-frequency induction coil (6) is positioned at the top of running roller (8), is provided with collecting chamber (3) at the side of vacuum chamber (5).
2, preparation facilities according to claim 1 is characterized in that: described nozzle is wide to be 0.3mm, and length is 3～7mm.
3, preparation facilities according to claim 1 is characterized in that: described motor (7) is selected the adjustable high speed single-phase asynchronous motor of angular speed for use, and roll surface speed is controlled at 10～50m/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200710019099XA CN100551582C (en) | 2007-11-19 | 2007-11-19 | A kind of device for preparing metastable state Cu-base and Ni base double-layer alloy composite foil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200710019099XA CN100551582C (en) | 2007-11-19 | 2007-11-19 | A kind of device for preparing metastable state Cu-base and Ni base double-layer alloy composite foil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101168185A CN101168185A (en) | 2008-04-30 |
| CN100551582C true CN100551582C (en) | 2009-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB200710019099XA Expired - Fee Related CN100551582C (en) | 2007-11-19 | 2007-11-19 | A kind of device for preparing metastable state Cu-base and Ni base double-layer alloy composite foil |
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| CN103170590A (en) * | 2013-03-05 | 2013-06-26 | 西北工业大学 | Preparation method for multilayered structure Fe-Sn hypermonotectic alloy thin strip |
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Granted publication date: 20091021 Termination date: 20121119 |