CN104772578A - Brazing filler metal comprising titanium-zirconium-copper-nickel - Google Patents
Brazing filler metal comprising titanium-zirconium-copper-nickel Download PDFInfo
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- CN104772578A CN104772578A CN201510171241.7A CN201510171241A CN104772578A CN 104772578 A CN104772578 A CN 104772578A CN 201510171241 A CN201510171241 A CN 201510171241A CN 104772578 A CN104772578 A CN 104772578A
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- Prior art keywords
- solder
- titanium
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- zirconium
- mass parts
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/32—Selection of soldering or welding materials proper with the principal constituent melting at more than 1550 degrees C
- B23K35/325—Ti as the principal constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering, brazing
- B23K35/0233—Sheets, foils
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
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- Mechanical Engineering (AREA)
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- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The invention relates to a brazing filler metal, wherein the melting temperature of the brazing filler metal can be reduced. The brazing filler metal comprises 10-20 wt% of zirconium, 10-20 wt% of copper, 10-20 wt% of nickel, and the balance of titanium. The invention also relates to a brazing filler metal with improved wettability, wherein the brazing metal comprises titanium, zirconium, copper, nickel and lanthanum.
Description
Technical field
The present invention relates to a kind of solder comprising titanium-zirconium-copper-nickel, particularly a kind of solder comprising titanium-zirconium-copper-nickel-lanthanum.
Background technology
Titanium is a kind of important structural metal grown up the 1950's, has quite high specific strength and elevated temperature strength and excellent corrosion resistance and high temperature oxidation resistance and be widely used at industrial departments such as Aeronautics and Astronautics, rocket, artificial satellite and shipbuildings due to titanium or titanium alloy.
Titanium or titanium alloy is as a kind of excellent structural material, although Applicative time is shorter, rapidly, the develop rapidly of this and Aeronautics and Astronautics technology and the excellent properties itself had are undivided in its development.Thus the solder as titanium or titanium alloy soldering also receives great attention.
Solder for titanium or titanium alloy soldering has a variety of, can be divided into money base, palladium base, aluminium base, the large class of titanium base four.Wherein the meeting of aluminium base solder brazing of titanium alloy forms crisp hard intermetallic compound at soldered fitting, and joint performance is poor; Silver and palladium are all noble metals, and the cost of silver-base solder and palladium base solder is higher, be not suitable for large-scale production, and joint performance is also poor; And titanium based solder is due to the same with titanium alloy substrate, there is best wettability and mobility, soldered seam can be realized and have and mother metal similar performance.In all titanium based solders, Ti-Cu-Ni system Alloyapplication is extensive.But the fusion temperature of Ti-Cu-Ni solder is higher in brazing process, titanium alloy will undergo phase transition in soldering pyroprocess, bring injure and affect the performance of soldered fitting titanium alloy mother metal.
Summary of the invention
In order to overcome shortcoming of the prior art, to titanium based solder, namely zirconium (Zr) can be added in most widely used Ti-Cu-Ni system alloy, Zr can solid solution unlimited with Ti, and Zr adds in Ti can not produce brittlement phase, therefore, allow the amount adding Zr more.In addition, one of Zr or the main intensified element of titanium alloy, it can improve alloy strength when not obvious reduction titanium alloy plasticity.Therefore, one of the present invention provides a kind of brazing filler metal compositions useful that can reduce brazing filler metal melts temperature, and it comprises zirconium, copper, nickel and titanium.
Find through the large quantifier elimination of inventor, each constituent content of described solder controls in certain scope, can realize the good performance of solder, namely described solder comprises zirconium, the copper of 10-20wt%, the nickel of 10-20wt% of 10-20wt%, and the titanium of surplus.Preferred described solder comprises zirconium, the copper of 10-15wt%, the nickel of 10-15wt% of 10-15wt%, and the titanium of surplus.The fusion temperature scope of this solder is 830 ~ 880 DEG C.
Inventor is in research process, and when adding lanthanum in above-mentioned solder, the wetability of unexpected discovery solder obtains very large improvement, and especially when above-mentioned middle solder comprises the lanthanum of 0.5-2.5wt%, the wetability of solder reaches fabulous state.Therefore, in a concrete embodiment, also comprise lanthanum in solder, particularly comprise the lanthanum of 0.5-2.5wt%, preferred described solder comprises the lanthanum of 1.0-1.5wt%, and the improvement of solder wetting can improve spreading property and the seam-filling ability of solder greatly.
In a preferred embodiment, solder comprises zirconium, the copper of 15wt%, the nickel of 15wt%, the lanthanum of 1.5wt% of 15wt%, and the titanium of 53.5wt%.At this moment, solder has better wetability, and adopt the street corner of this solder brazing to organize more continuously fine and close, weld seam and masterbatch reach better metallurgical binding; Meanwhile, the street corner utilizing this solder to weld also has higher shear strength, namely reaches 269.4MPa.In a word, the structure and properties of comprehensive brazing temperature, solder wetting and soldered fitting, determines that most preferred solder is Ti-15Zr-15Cu-15Ni-1.5La solder.
The present invention's two additionally provides a kind of brazing product, and it comprises the solder as above for welding.
The present invention's three additionally provides the application of solder as above in welding.
Accompanying drawing explanation
Fig. 1 is wettability test (spreading area) the result figure of part solder in the embodiment of the present invention 1.It adopts digital camera to take pictures, and after the photo obtained is imported CAD software, recording its wetting areas is 26.04mm
2.
Fig. 2 is wettability test (spreading area) the result figure of part solder in the embodiment of the present invention 3.It adopts digital camera to take pictures, and after the photo obtained is imported CAD software, recording its wetting areas is 29.37mm
2.
Fig. 3 is wettability test (spreading area) the result figure of part solder in the embodiment of the present invention 6.It adopts digital camera to take pictures, and after the photo obtained is imported CAD software, recording its wetting areas is 50.24mm
2.
Fig. 4 is wettability test (spreading area) the result figure of part solder in the embodiment of the present invention 8.It adopts digital camera to take pictures, and after the photo obtained is imported CAD software, recording its wetting areas is 33.05mm
2.
Fig. 5 is the photo adopting technical solution of the present invention embodiment 3 solder (a) of SEM CS3400 shooting and the joint microstructure of embodiment 8 solder (b) brazing of titanium alloy.
The assembling schematic diagram of Fig. 6 soldered fitting.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described below.
Embodiment 1
Take that 70.0 quality divide purity is greater than the titanium sponge of 99.95%, the purity of 10 mass parts is greater than 99.99% tough cathode, the purity of 10 mass parts is greater than 99.99% electrolysis pure nickel, and the zirconium that the purity of 10 mass parts is greater than 99.99%.
The solder raw material taken is placed in the water jacketed copper crucible of argon shield non-consumable arc furnace.Before melting, carry out vacuum pumping in stove, be evacuated to 5 × 10
-1pa, then rushes argon shield.During melting sample, in order to ensure the uniformity of solder chemical composition, by the sample melt back in water jacketed copper crucible 3-4 time.Obtain the block solder of titanium alloy after electric arc melting, adopt electric spark wire cutting method block solder to be processed into the laminar solder of 15mm × 2mm × 0.8mm size.Then, adopt 400#SiC liquid honing solder, finally make each surface of solder be bright state, and carry out ultrasonic cleaning with acetone reagent, thus obtain Ti-Zr-Cu-Ni solder of the present invention.
Embodiment 2
Take that 62.0 quality divide purity is greater than the titanium sponge of 99.95%, the purity of 15 mass parts is greater than 99.99% tough cathode, the purity of 10 mass parts is greater than 99.99% electrolysis pure nickel, and the zirconium that the purity of 13 mass parts is greater than 99.99%.
The preparation method of solder is with embodiment 1.
Embodiment 3
Take that 55.0 quality divide purity is greater than the titanium sponge of 99.95%, the purity of 15 mass parts is greater than 99.99% tough cathode, the purity of 15 mass parts is greater than 99.99% electrolysis pure nickel, and the zirconium that the purity of 15 mass parts is greater than 99.99%.
The preparation method of solder is with embodiment 1.
Embodiment 4
Take that 47.0 quality divide purity is greater than the titanium sponge of 99.95%, the purity of 15 mass parts is greater than 99.99% tough cathode, the purity of 20 mass parts is greater than 99.99% electrolysis pure nickel, and the zirconium that the purity of 18 mass parts is greater than 99.99%.
The preparation method of solder is with embodiment 1.
Embodiment 5
Take that 40.0 quality divide purity is greater than the titanium sponge of 99.95%, the purity of 20 mass parts is greater than 99.99% tough cathode, the purity of 20 mass parts is greater than 99.99% electrolysis pure nickel, and the zirconium that the purity of 20 mass parts is greater than 99.99%.
The preparation method of solder is with embodiment 1.
Embodiment 6
Take purity that 69.5 quality divide and be greater than the titanium sponge of 99.95%, the purity of 10 mass parts is greater than 99.99% tough cathode, the purity of 10 mass parts is greater than 99.99% electrolysis pure nickel, the purity of 10 mass parts is greater than 99.99% zirconium, and the purity of 0.5 mass parts is greater than 99.95% block lanthanum.
The preparation method of solder is with embodiment 1.
Embodiment 7
Take purity that 62.0 quality divide and be greater than the titanium sponge of 99.95%, the purity of 15 mass parts is greater than 99.99% tough cathode, the purity of 10 mass parts is greater than 99.99% electrolysis pure nickel, the purity of 12 mass parts is greater than 99.99% zirconium, and the purity of 1.0 mass parts is greater than 99.95% block lanthanum.
The preparation method of solder is with embodiment 1.
Embodiment 8
Take purity that 53.5 quality divide and be greater than the titanium sponge of 99.95%, the purity of 15 mass parts is greater than 99.99% tough cathode, the purity of 15 mass parts is greater than 99.99% electrolysis pure nickel, the purity of 15 mass parts is greater than 99.99% zirconium, and the purity of 1.5 mass parts is greater than 99.95% block lanthanum.
The preparation method of solder is with embodiment 1.
Embodiment 9
Take purity that 45.5 quality divide and be greater than the titanium sponge of 99.95%, the purity of 15 mass parts is greater than 99.99% tough cathode, the purity of 20 mass parts is greater than 99.99% electrolysis pure nickel, the purity of 18 mass parts is greater than 99.99% zirconium, and the purity of 1.5 mass parts is greater than 99.95% block lanthanum.
The preparation method of solder is with embodiment 1.
Embodiment 10
Take purity that 38 quality divide and be greater than the titanium sponge of 99.95%, the purity of 20 mass parts is greater than 99.99% tough cathode, the purity of 20 mass parts is greater than 99.99% electrolysis pure nickel, the purity of 20 mass parts is greater than 99.99% zirconium, and the purity of 2.5 mass parts is greater than 99.95% block lanthanum.
The preparation method of solder is with embodiment 1.
Embodiment 11
By carrying out DSC test to solder, show that the fusion temperature scope of this solder is 830 ~ 880 DEG C, can see, solder of the present invention is compared with Ti-Cu-Ni brazing filler metal, and fusing point has larger reduction.The angle of wetting of solder is tested by wetting angle determining instrument.Then, in conjunction with solder wetting behavior determination soldering processes, brazing tests is carried out.
Embodiment 12
The method using above-mentioned solder to carry out soldering is:
(1) assemble, utilize the overlap joint that fixture realizes between titanium alloy test specimen, 0.1mm is chosen in fit-up gap, laminar solder is placed on solder and mother metal to be heated more uniform position, and be close on mother metal, make the solder of fusing in brazed seam, rely on gravity to fill up gap as far as possible, Fig. 6 is shown in by its assembling schematic diagram;
(2) heat, the test specimen assembled is put into vacuum brazing furnace and vacuumizes, heat up simultaneously, be heated to brazing temperature 930 ~ 950 DEG C to resistance furnace, insulation 5min carries out the connection of titanium alloy/titanium alloy joint, insulation, then cools to room temperature with the furnace.
According to National Standard of the People's Republic of China GB/T 2651-2008/ISO 4136:2001, each brazed coupon is processed into standard tensile specimen, then utilizes micro-control electronic universal tester to carry out the property test of joint to brazed coupon.
Table 1 gives technical solution of the present invention embodiment brazing of titanium alloy/titanium alloy joint mechanical property.Visible, laminar solder is utilized to carry out vacuum brazing at 930 ~ 950 DEG C of temperature, obtain brazed coupon joint, the room temperature shear strength of corresponding soldered fitting reaches 250 ~ 295MPa, and as shown in Figure 5, adopt the joint microstructure of Ti-15Zr-15Cu-15Ni-1.5La solder brazing continuously fine and close, weld seam and mother metal reach good metallurgical binding.
Table 1
Table 2
Table 2 corresponding to various solder composition gives at angle of wetting, and angle of wetting is less, and wetability is better, as can be known from the results, adds the wettability that La element substantially improves solder.Meanwhile, utilize the soldered fitting of the solder of embodiment 8 also to have higher shear strength, reach 269.4MPa.
The structure and properties of comprehensive brazing temperature, solder wetting and soldered fitting, determines that optimum solder is the Ti-15Zr-15Cu-15Ni-1.5La solder of embodiment 8.
Claims (9)
1. a solder, it comprises zirconium, copper, nickel and titanium.
2. solder according to claim 1, is characterized in that, described solder comprises zirconium, the copper of 10-20wt%, the nickel of 10-20wt% of 10-20wt%, and the titanium of surplus.
3. solder according to claim 2, is characterized in that, described solder comprises zirconium, the copper of 10-15wt%, the nickel of 10-15wt% of 10-15wt%, and the titanium of surplus.
4. a solder, it comprises the solder as described in claim 1-3 any one, also comprises lanthanum.
5. solder according to claim 4, is characterized in that, described solder comprises the lanthanum of 0.5-2.5wt%.
6. solder according to claim 5, is characterized in that, described solder comprises the lanthanum of 1.0-1.5wt%.
7. solder according to claim 6, is characterized in that, described solder comprises zirconium, the copper of 15wt%, the nickel of 15wt%, the lanthanum of 1.5wt% of 15wt%, and the titanium of 53.5wt%.
8. a brazing product, it comprises the solder as described in claim 1-7 any one for welding.
9. the application of the solder as described in claim 1-7 any one in welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510171241.7A CN104772578B (en) | 2015-04-10 | 2015-04-10 | A kind of solder for including titanium zirconium cupro-nickel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510171241.7A CN104772578B (en) | 2015-04-10 | 2015-04-10 | A kind of solder for including titanium zirconium cupro-nickel |
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| CN104772578A true CN104772578A (en) | 2015-07-15 |
| CN104772578B CN104772578B (en) | 2018-01-09 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105033504A (en) * | 2015-08-28 | 2015-11-11 | 河南科技大学 | Brazing filler metal containing lanthanum and neodymium elements for titanium alloy brazing and preparation method thereof |
| CN105108381A (en) * | 2015-08-31 | 2015-12-02 | 北京无线电测量研究所 | Manufacturing method for metal-based foil-like brazing filler metal in complex shape |
| CN108406029A (en) * | 2018-05-21 | 2018-08-17 | 衢州学院 | A kind of titanium-based composite soldering and its preparation, method for welding |
| CN110605498A (en) * | 2019-05-14 | 2019-12-24 | 中国航发北京航空材料研究院 | TiNiNbZr high-temperature brazing filler metal for TiAl alloy, preparation method and brazing method thereof |
| CN111545950A (en) * | 2020-05-22 | 2020-08-18 | 浙江诺维雅工贸有限公司 | Solder and heat-insulating container welded by same |
| CN116754454A (en) * | 2023-06-25 | 2023-09-15 | 成都飞机工业（集团）有限责任公司 | Device and method for testing permeability of fiber preform |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105033504A (en) * | 2015-08-28 | 2015-11-11 | 河南科技大学 | Brazing filler metal containing lanthanum and neodymium elements for titanium alloy brazing and preparation method thereof |
| CN105108381A (en) * | 2015-08-31 | 2015-12-02 | 北京无线电测量研究所 | Manufacturing method for metal-based foil-like brazing filler metal in complex shape |
| CN108406029A (en) * | 2018-05-21 | 2018-08-17 | 衢州学院 | A kind of titanium-based composite soldering and its preparation, method for welding |
| CN110605498A (en) * | 2019-05-14 | 2019-12-24 | 中国航发北京航空材料研究院 | TiNiNbZr high-temperature brazing filler metal for TiAl alloy, preparation method and brazing method thereof |
| CN111545950A (en) * | 2020-05-22 | 2020-08-18 | 浙江诺维雅工贸有限公司 | Solder and heat-insulating container welded by same |
| CN111545950B (en) * | 2020-05-22 | 2022-06-17 | 浙江库尔仕科技有限公司 | Solder and heat-insulating container welded by same |
| CN116754454A (en) * | 2023-06-25 | 2023-09-15 | 成都飞机工业（集团）有限责任公司 | Device and method for testing permeability of fiber preform |
| CN116754454B (en) * | 2023-06-25 | 2024-06-11 | 成都飞机工业（集团）有限责任公司 | Device and method for testing permeability of fiber preform |
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