CN103567666A - Strip-shaped brazing filler metal for titanium alloy brazing and Ti2AlNb alloy brazing, preparation method thereof and brazing method - Google Patents
Strip-shaped brazing filler metal for titanium alloy brazing and Ti2AlNb alloy brazing, preparation method thereof and brazing method Download PDFInfo
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- CN103567666A CN103567666A CN201310572100.7A CN201310572100A CN103567666A CN 103567666 A CN103567666 A CN 103567666A CN 201310572100 A CN201310572100 A CN 201310572100A CN 103567666 A CN103567666 A CN 103567666A
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- brazed
- brazing material
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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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/008—Soldering within a furnace
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
-
- 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
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/14—Titanium or alloys thereof
Abstract
The invention belongs to the brazing technology and relates to the improvement of brazing filler metal for titanium alloy brazing and Ti2AlNb alloy brazing. Strip-shaped brazing filler metal for titanium alloy brazing and Ti2AlNb alloy brazing comprises, by weight, 5%-7% of Zr, 14%-15% of Cu, 14%-15% of Ni and the balance Ti. The preparation method of the strip-shaped brazing filler metal comprises the steps that raw material powder is weighed and taken in proportion; vacuum smelting is conducted; and the strip-shaped brazing filler metal is prepared. The brazing method with the strip-shaped brazing filler metal comprises the steps that the surface to be brazed of a part to be brazed is cleaned; the strip-shaped brazing filler metal is located; the part is assembled; the part is brazed; cooling is conducted. By the adoption of the strip-shaped brazing filler metal for titanium alloy brazing and Ti2AlNb alloy brazing, the preparation method of the strip-shaped brazing filler metal and the brazing method with the strip-shaped brazing filler metal, an intermetallic compound is prevented from being formed on a brazing interface, and the strength of a brazing connector is improved.
Description
Technical field
The invention belongs to soldering tech, relate to for titanium alloy soldering and Ti
2the improvement of the solder of AlNb alloy brazed.
Background technology
Titanium alloy soldering member is used widely at aerospace field, as all application to some extent at positions such as aircraft wing, empennage, rear body sidewall, engine compartment doors of titanium alloy soldering combined construction.Ti
2alNb alloy is novel fire resistant structural material, belong to intermetallic compound, the performance characteristic with low-density, high strength, high rigidity, the welded unit of this material is expected to replace conventional high-temperature alloy in the engine of high thrust-weight ratio, plays the effect of Structure weight reduce.The brazing quality of member is one of key influence factor of member serviceability.At present, the brazing material of titanium alloy (hereinafter to be referred as solder) is broadly divided into five classes: Ag base, Al base, Pd base, Ti base and Ti-Zr base solder; The corrosion resistance of the soldering interface of Ag base and Al base solder is poor; Pd base solder serviceability temperature is more than 1000 ℃, higher than the phase transition temperature of titanium alloy, causes titanium alloy performance to reduce; The serviceability temperature of Ti base and Ti-Zr base solder (830 ℃～940 ℃ scopes) is moderate, and can obtain organization type and the approaching soldering interface of titanium alloy, therefore, and the solder while extensively adopting Ti base and Ti-Zr base solder as titanium alloy soldering at present.It is reported, soldering Ti
2the solder that AlNb alloy is used is Ti base and Ti-Zr base solder.
At present, the shortcoming of Ti base and Ti-Zr base solder is: adopt these two kinds of solders to carry out titanium alloy soldering and Ti
2during AlNb alloy brazed, weld interface easily forms intermetallic compound, and in follow-up post weld heat treatment, intermetallic compound is difficult to remove, and has therefore caused soldered fitting intensity lower.
Summary of the invention
The object of the invention is: propose a kind of titanium alloy soldering and Ti of being applicable to
2the strip brazing material of AlNb alloy brazed and preparation method, to avoid weld interface easily to form intermetallic compound, improve the intensity of soldered fitting.
Technical scheme of the present invention is: be applicable to titanium alloy soldering and Ti
2the strip brazing material of AlNb alloy brazed, is characterized in that: the percentage by weight of this strip brazing material chemical analysis is: Zr:5%～7%; Cu:14%～15%; Ni:14%～15%; Surplus is Ti.
Be applicable to as described above titanium alloy soldering and Ti
2the preparation method of the strip brazing material of AlNb alloy brazed, is characterized in that: the step of preparation is as follows:
1, get the raw materials ready: take in proportion required Zr, Cu, Ni and Ti material powder, the purity of raw material is not less than 99.9%, and the granularity of raw material is not less than 40 orders;
2, vacuum metling: adopt vaccum sensitive stove that material powder is carried out to melting, smelting temperature is 1700 ℃～2000 ℃, and temperature retention time 0.5h～1h, is then cast into ingot casting, and air cooling is to room temperature; Melt back 3 times;
3, prepare strip brazing material: adopt vacuum quick quenching to get rid of with the vaccum sensitive stove on machine ingot casting is melted, fusion temperature is 1700 ℃～2000 ℃, then makes amorphous state strip brazing material, the thickness δ=0.03mm～0.05mm of strip brazing material.
Use and be applicable to as described above titanium alloy soldering and Ti
2the strip brazing material of AlNb alloy brazed carries out the method for soldering, it is characterized in that: the step of soldering is as follows:
1, the surface to be brazed of clean part to be welded;
2, location strip brazing material: one deck strip brazing material is layered on to the surface to be brazed of a part to be welded, by spot welding method, strip brazing material is positioned on surface to be brazed;
3, Assembly of the parts: by the surface to be brazed of another part to be welded and the surface to be brazed laminating of completing strip brazing material part to be welded, the gap between two surfaces to be brazed is not more than 0.1mm by fixture;
4, part soldering: two parts to be welded that assemble are put into vacuum brazing furnace, and during brazing of titanium alloy, heating-up temperature is: 915 ℃～930 ℃, temperature retention time 2h～4h, vacuum is 10
-3pa～10
-5pa; Soldering Ti
2during AlNb alloy, heating-up temperature is: 950 ℃～960 ℃, and temperature retention time 2h～4h, vacuum is 10
-3pa～10
-5pa;
5, cooling: after soldering with stove cool to room temperature.
Advantage of the present invention is: proposed a kind of titanium alloy soldering and Ti of being applicable to
2the strip brazing material of AlNb alloy brazed and preparation method, can avoid weld interface easily to form intermetallic compound, improved the intensity of soldered fitting.
Accompanying drawing explanation
Fig. 1 is that the weld interface of embodiments of the invention 1 welding TC4 titanium alloy is organized photo.
Fig. 2 is that comparative example 1 adopts the weld interface of current Ti-Zr base solder welding TC4 titanium alloy to organize photo.
Fig. 3 is embodiments of the invention 3 welding Ti
2the weld interface of AlNb alloy is organized photo.
Fig. 4 is that comparative example 2 adopts current Ti-Zr base solder welding Ti
2the weld interface of AlNb alloy is organized photo.
The specific embodiment
Below the present invention is described in further details.Be applicable to titanium alloy soldering and Ti
2the strip brazing material of AlNb alloy brazed, is characterized in that: the percentage by weight of this strip brazing material chemical analysis is: Zr:5%～7%; Cu:14%～15%; Ni:14%～15%; Surplus is Ti.
Be applicable to as described above titanium alloy soldering and Ti
2the preparation method of the strip brazing material of AlNb alloy brazed, is characterized in that: the step of preparation is as follows:
1, get the raw materials ready: take in proportion required Zr, Cu, Ni and Ti material powder, the purity of raw material is not less than 99.9%, and the granularity of raw material is not less than 40 orders;
2, vacuum metling: adopt vaccum sensitive stove that material powder is carried out to melting, smelting temperature is 1700 ℃～2000 ℃, and temperature retention time 0.5h～1h, is then cast into ingot casting, and air cooling is to room temperature; Melt back 3 times;
3, prepare strip brazing material: adopt vacuum quick quenching to get rid of with the vaccum sensitive stove on machine ingot casting is melted, fusion temperature is 1700 ℃～2000 ℃, then makes amorphous state strip brazing material, the thickness δ=0.03mm～0.05mm of strip brazing material.
Use and be applicable to as described above titanium alloy soldering and Ti
2the strip brazing material of AlNb alloy brazed carries out the method for soldering, it is characterized in that: the step of soldering is as follows:
1, the surface to be brazed of clean part to be welded;
2, location strip brazing material: one deck strip brazing material is layered on to the surface to be brazed of a part to be welded, by spot welding method, strip brazing material is positioned on surface to be brazed;
3, Assembly of the parts: by the surface to be brazed of another part to be welded and the surface to be brazed laminating of completing strip brazing material part to be welded, the gap between two surfaces to be brazed is not more than 0.1mm by fixture;
4, part soldering: two parts to be welded that assemble are put into vacuum brazing furnace, and during brazing of titanium alloy, heating-up temperature is: 915 ℃～930 ℃, temperature retention time 15min～4h, vacuum is 10
-3pa～10
-5pa; Soldering Ti
2during AlNb alloy, heating-up temperature is: 950 ℃～960 ℃, and temperature retention time 15min～2h, vacuum is 10
-3pa～10
-5pa;
5, cooling: after soldering with stove cool to room temperature.
Operation principle of the present invention is: the present invention mainly utilizes the effect of Zr element in solder, when Zr constituent content is suitable, in Ti-Zr base solder, Zr element plays the effect that reduces solder fusing point on the one hand, and on the other hand, Zr element has best solution strengthening effect to solder.
Embodiment 1
1, get the raw materials ready: the percentage by weight of strip brazing material chemical analysis is: Zr:5%; Cu:15%; Ni:15%; Surplus is Ti.Take in proportion required Zr, Cu, Ni and Ti material powder, the purity of raw material is not less than 99.9%, and the granularity of raw material is not less than 40 orders;
2, vacuum metling: adopt vaccum sensitive stove that material powder is carried out to melting, smelting temperature is 1700 ℃, and then temperature retention time 0.5h is cast into ingot casting, and air cooling is to room temperature; Melt back 3 times;
3, prepare strip brazing material: adopt vacuum quick quenching to get rid of with the vaccum sensitive stove on machine ingot casting is melted, fusion temperature is 1700 ℃, then makes amorphous state strip brazing material, the thickness δ=0.05mm of strip brazing material.
Use strip brazing material as described above to carry out the method for TC4 titanium alloy soldering, it is characterized in that: the step of soldering is as follows:
1, the surface to be brazed of clean part to be welded;
2, location strip brazing material: one deck strip brazing material is layered on to the surface to be brazed of a part to be welded, by spot welding method, strip brazing material is positioned on surface to be brazed;
3, Assembly of the parts: by the surface to be brazed of another part to be welded and the surface to be brazed laminating of completing strip brazing material part to be welded, the gap between two surfaces to be brazed is 0.05mm by fixture;
4, part soldering: two parts to be welded that assemble are put into vacuum brazing furnace, and during brazing of titanium alloy, heating-up temperature is: 930 ℃, temperature retention time 4h, vacuum is 10
-3pa;
5, cooling: after soldering with stove cool to room temperature;
6, strength test: the TC4 alloy having welded is above processed as to the room temperature tensile sample of standard, the tensile strength of test sample then, mean intensity is 887MPa.
Comparative example 1, the chemical analysis percentage by weight of existing Ti-Zr solder is: Zr:37%; Cu:15%; Ni:10%; Surplus is Ti.Adopt this solder to carry out the soldering step of TC4 titanium alloy as follows:
1, the surface to be brazed of clean part to be welded;
2, location strip brazing material: one deck strip brazing material is layered on to the surface to be brazed of a part to be welded, by spot welding method, strip brazing material is positioned on surface to be brazed;
3, Assembly of the parts: by the surface to be brazed of another part to be welded and the surface to be brazed laminating of completing strip brazing material part to be welded, the gap between two surfaces to be brazed is 0.05mm by fixture;
4, part soldering: two parts to be welded that assemble are put into vacuum brazing furnace, and during brazing of titanium alloy, heating-up temperature is: 930 ℃, temperature retention time 15min, vacuum is 10
-3pa;
5, cooling: after soldering with stove cool to room temperature;
6, strength test: the TC4 alloy having welded is above processed as to the room temperature tensile sample of standard, the tensile strength of test sample then, mean intensity is 840MPa.
Fig. 1 and Fig. 2 are respectively the TC4 titanium alloy soldering interface tissue that uses solder of the present invention and existing solder.
Embodiment 2
1, get the raw materials ready: the percentage by weight of strip brazing material chemical analysis is: Zr:6%; Cu:14%; Ni:15%; Surplus is Ti.Take in proportion required Zr, Cu, Ni and Ti material powder, the purity of raw material is not less than 99.9%, and the granularity of raw material is not less than 40 orders;
2, vacuum metling: adopt vaccum sensitive stove that material powder is carried out to melting, smelting temperature is 1800 ℃, and then temperature retention time 0.8h is cast into ingot casting, and air cooling is to room temperature; Melt back 3 times;
3, prepare strip brazing material: adopt vacuum quick quenching to get rid of with the vaccum sensitive stove on machine ingot casting is melted, fusion temperature is 1750 ℃, then makes amorphous state strip brazing material, the thickness δ=0.04mm of strip brazing material.
Use strip brazing material as described above to carry out the method for TA18 titanium alloy soldering, it is characterized in that: the step of soldering is as follows:
1, the surface to be brazed of clean part to be welded;
2, location strip brazing material: one deck strip brazing material is layered on to the surface to be brazed of a part to be welded, by spot welding method, strip brazing material is positioned on surface to be brazed;
3, Assembly of the parts: by the surface to be brazed of another part to be welded and the surface to be brazed laminating of completing strip brazing material part to be welded, the gap between two surfaces to be brazed is 0.06mm by fixture;
4, part soldering: two parts to be welded that assemble are put into vacuum brazing furnace, and during brazing of titanium alloy, heating-up temperature is: 920 ℃, temperature retention time 2h, vacuum is 10
-5pa;
5, cooling: after soldering with stove cool to room temperature.
Embodiment 3
1, get the raw materials ready: the percentage by weight of strip brazing material chemical analysis is: Zr:7%; Cu:15%; Ni:14%; Surplus is Ti.Take in proportion required Zr, Cu, Ni and Ti material powder, the purity of raw material is not less than 99.9%, and the granularity of raw material is not less than 40 orders;
2, vacuum metling: adopt vaccum sensitive stove that material powder is carried out to melting, smelting temperature is 1700 ℃, and then temperature retention time 1h is cast into ingot casting, and air cooling is to room temperature; Melt back 3 times;
3, prepare strip brazing material: adopt vacuum quick quenching to get rid of with the vaccum sensitive stove on machine ingot casting is melted, fusion temperature is 1800 ℃, then makes amorphous state strip brazing material, the thickness δ=0.03mm of strip brazing material.
Use strip brazing material as described above to carry out Ti
2the method of AlNb alloy brazed, is characterized in that: the step of soldering is as follows:
1, the surface to be brazed of clean part to be welded;
2, location strip brazing material: one deck strip brazing material is layered on to the surface to be brazed of a part to be welded, by spot welding method, strip brazing material is positioned on surface to be brazed;
3, Assembly of the parts: by the surface to be brazed of another part to be welded and the surface to be brazed laminating of completing strip brazing material part to be welded, the gap between two surfaces to be brazed is 0.06mm by fixture;
4, part soldering: two parts to be welded that assemble are put into vacuum brazing furnace, and during brazing of titanium alloy, heating-up temperature is: 950 ℃, temperature retention time 120min, vacuum is 10
-5pa;
5, cooling: after soldering with stove cool to room temperature.
6, strength test: the TC4 alloy having welded is above processed as to the room temperature tensile sample of standard, the tensile strength of test sample then, mean intensity is 885MPa.
Comparative example 2, the chemical analysis percentage by weight of existing Ti-Zr solder is: Zr:37%; Cu:15%; Ni:10%; Surplus is Ti.Adopt this solder to carry out Ti
2the soldering step of AlNb alloy is as follows:
1, the surface to be brazed of clean part to be welded;
2, location strip brazing material: one deck strip brazing material is layered on to the surface to be brazed of a part to be welded, by spot welding method, strip brazing material is positioned on surface to be brazed;
3, Assembly of the parts: by the surface to be brazed of another part to be welded and the surface to be brazed laminating of completing strip brazing material part to be welded, the gap between two surfaces to be brazed is 0.05mm by fixture;
4, part soldering: two parts to be welded that assemble are put into vacuum brazing furnace, and during brazing of titanium alloy, heating-up temperature is: 930 ℃, temperature retention time 15min, vacuum is 10
-3pa;
5, cooling: after soldering with stove cool to room temperature;
6, strength test: by the Ti having welded above
2alNb alloy is processed as the room temperature tensile sample of standard, the tensile strength of test sample then, and mean intensity is 312MPa.
Fig. 3 and Fig. 4 are respectively the Ti that uses solder of the present invention and existing solder
2alNb alloy brazed Interface Microstructure.
Embodiment 4
1, get the raw materials ready: the percentage by weight of strip brazing material chemical analysis is: Zr:7%; Cu:15%; Ni:15%; Surplus is Ti.Take in proportion required Zr, Cu, Ni and Ti material powder, the purity of raw material is not less than 99.9%, and the granularity of raw material is not less than 40 orders;
2, vacuum metling: adopt vaccum sensitive stove that material powder is carried out to melting, smelting temperature is 1800 ℃, and then temperature retention time 1h is cast into ingot casting, and air cooling is to room temperature; Melt back 3 times;
3, prepare strip brazing material: adopt vacuum quick quenching to get rid of with the vaccum sensitive stove on machine ingot casting is melted, fusion temperature is 1800 ℃, then makes amorphous state strip brazing material, the thickness δ=0.05mm of strip brazing material.
Use strip brazing material as described above to carry out Ti
2the method of AlNb gold soldering, is characterized in that: the step of soldering is as follows:
1, the surface to be brazed of clean part to be welded;
2, location strip brazing material: one deck strip brazing material is layered on to the surface to be brazed of a part to be welded, by spot welding method, strip brazing material is positioned on surface to be brazed;
3, Assembly of the parts: by the surface to be brazed of another part to be welded and the surface to be brazed laminating of completing strip brazing material part to be welded, the gap between two surfaces to be brazed is 0.06mm by fixture;
4, part soldering: two parts to be welded that assemble are put into vacuum brazing furnace, and during brazing of titanium alloy, heating-up temperature is: 960 ℃, temperature retention time 30min, vacuum is 10
-5pa;
5, cooling: after soldering with stove cool to room temperature.
Claims (3)
1. be applicable to titanium alloy soldering and Ti
2the strip brazing material of AlNb alloy brazed, is characterized in that: the percentage by weight of this strip brazing material chemical analysis is: Zr:5%～7%; Cu:14%～15%; Ni:14%～15%; Surplus is Ti.
2. titanium alloy soldering and the Ti of being applicable to as claimed in claim 1
2the preparation method of the strip brazing material of AlNb alloy brazed, is characterized in that: the step of preparation is as follows:
2.1, get the raw materials ready: take in proportion required Zr, Cu, Ni and Ti material powder, the purity of raw material is not less than 99.9%, and the granularity of raw material is not less than 40 orders;
2.2, vacuum metling: adopt vaccum sensitive stove that material powder is carried out to melting, smelting temperature is 1700 ℃～2000 ℃, temperature retention time 0.5h～1h, vacuum is not less than 10
-2pa, is then cast into ingot casting, and air cooling is to room temperature; Melt back 3 times;
2.3, prepare strip brazing material: adopt vacuum quick quenching to get rid of with the vaccum sensitive stove on machine ingot casting is melted, fusion temperature is 1700 ℃～2000 ℃, and vacuum is not less than 10
-2pa, then makes amorphous state strip brazing material, the thickness δ=0.03mm～0.05mm of strip brazing material.
3. use titanium alloy soldering and the Ti of being applicable to as claimed in claim 1
2the strip brazing material of AlNb alloy brazed carries out the method for soldering, it is characterized in that: the step of soldering is as follows:
3.1, the surface to be brazed of clean part to be welded;
3.2, location strip brazing material: one deck strip brazing material is layered on to the surface to be brazed of a part to be welded, by spot welding method, strip brazing material is positioned on surface to be brazed;
3.3, Assembly of the parts: by the surface to be brazed of another part to be welded and the surface to be brazed laminating of completing strip brazing material part to be welded, the gap between two surfaces to be brazed is not more than 0.1mm by fixture;
3.4, part soldering: two parts to be welded that assemble are put into vacuum brazing furnace, and during brazing of titanium alloy, heating-up temperature is: 915 ℃～930 ℃, temperature retention time 2h～4h, vacuum is 10
-3pa～10
-5pa; Soldering Ti
2during AlNb alloy, heating-up temperature is: 950 ℃～960 ℃, and temperature retention time 2h～4h, vacuum is 10
-3pa～10
-5pa;
3.5, cooling: after soldering with stove cool to room temperature.
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|---|---|---|---|
| CN201310572100.7A CN103567666B (en) | 2013-11-15 | 2013-11-15 | Be applicable to titanium alloy soldering and Ti 2the strip brazing material of AlNb alloy brazed and preparation and method for welding |
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|---|---|---|---|
| CN201310572100.7A CN103567666B (en) | 2013-11-15 | 2013-11-15 | Be applicable to titanium alloy soldering and Ti 2the strip brazing material of AlNb alloy brazed and preparation and method for welding |
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| 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 |
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| 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 |
| CN110666396A (en) * | 2019-10-21 | 2020-01-10 | 中国航发北京航空材料研究院 | Strip-shaped brazing material for titanium alloy medium-low temperature brazing, preparation method and brazing method |
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| CN105312794A (en) * | 2015-10-30 | 2016-02-10 | 沈阳黎明航空发动机(集团)有限责任公司 | Honeycomb structure |
| CN108544385A (en) * | 2018-03-05 | 2018-09-18 | 华侨大学 | Using tungsten carbide as the diamond grinding head of matrix and its method for welding |
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| CN108856941A (en) * | 2018-08-16 | 2018-11-23 | 辽宁工业大学 | A kind of composite soldering and its method for being brazed TC4 titanium alloy |
| CN109465569A (en) * | 2018-12-11 | 2019-03-15 | 北京科技大学 | A kind of high temperature brazing titanium based solder and preparation method |
| 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 |
| CN110666395A (en) * | 2019-10-21 | 2020-01-10 | 中国航发北京航空材料研究院 | Brazing filler metal for brazing titanium-containing material, preparation method and brazing method |
| CN110666397A (en) * | 2019-10-21 | 2020-01-10 | 中国航发北京航空材料研究院 | Brazing material for titanium-containing material, preparation method and brazing method |
| CN110666396A (en) * | 2019-10-21 | 2020-01-10 | 中国航发北京航空材料研究院 | Strip-shaped brazing material for titanium alloy medium-low temperature brazing, preparation method and brazing method |
| CN111702278A (en) * | 2020-05-13 | 2020-09-25 | 中国科学院金属研究所 | Ti2Medium-temperature Ti-based brazing filler metal for brazing same or different AlNb-based alloys as well as preparation method and brazing process thereof |
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| CN111702281A (en) * | 2020-05-13 | 2020-09-25 | 中国科学院金属研究所 | Ti2Special intermediate-temperature Zr-based brazing filler metal for brazing same or different AlNb-based alloys as well as preparation method and brazing process thereof |
| CN111702277B (en) * | 2020-05-13 | 2021-10-22 | 中国科学院金属研究所 | Ti2Medium-temperature Ti-based brazing filler metal special for brazing same or different AlNb-based alloy materials and preparation method and brazing process thereof |
| CN111702278B (en) * | 2020-05-13 | 2021-10-22 | 中国科学院金属研究所 | Ti2Medium-temperature Ti-based brazing filler metal for brazing same or different AlNb-based alloys as well as preparation method and brazing process thereof |
| CN111702281B (en) * | 2020-05-13 | 2022-04-05 | 中国科学院金属研究所 | Ti2Special intermediate-temperature Zr-based brazing filler metal for brazing same or different AlNb-based alloys as well as preparation method and brazing process 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 |
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| CN111633356A (en) * | 2020-06-09 | 2020-09-08 | 北京普惠三航科技有限公司 | Brazing filler metal suitable for TC4 titanium alloy thin-wall honeycomb structure and preparation method and brazing method thereof |
| CN111633356B (en) * | 2020-06-09 | 2022-05-27 | 北京普惠三航科技有限公司 | Brazing filler metal suitable for TC4 titanium alloy thin-wall honeycomb structure and preparation method and brazing method thereof |
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