CN115070258A - Zirconium-based amorphous alloy brazing filler metal and preparation method and application thereof - Google Patents
Zirconium-based amorphous alloy brazing filler metal and preparation method and application thereof Download PDFInfo
- Publication number
- CN115070258A CN115070258A CN202210646942.1A CN202210646942A CN115070258A CN 115070258 A CN115070258 A CN 115070258A CN 202210646942 A CN202210646942 A CN 202210646942A CN 115070258 A CN115070258 A CN 115070258A
- Authority
- CN
- China
- Prior art keywords
- amorphous alloy
- zirconium
- brazing
- filler metal
- silicon carbide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
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
- 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
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/302—Cu 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ceramic Products (AREA)
Abstract
The invention discloses a zirconium-based amorphous alloy solder and a preparation method and application thereof, wherein the zirconium-based amorphous alloy solder comprises the following components in percentage by weight: 45-60% of Zr, 25-30% of Ag, 10-15% of Ni and the balance of Cu. The zirconium-based amorphous alloy brazing filler metal provided by the invention can realize reliable connection of brazed silicon carbide ceramics, and can overcome the defect of poor high-temperature welding strength of silicon carbide joints brazed by active brazing filler metals such as silver, copper, titanium and the like.
Description
Technical Field
The invention belongs to the technical field of brazing materials, and particularly relates to a zirconium-based amorphous alloy brazing filler metal and a preparation method and application thereof.
Background
The silicon carbide ceramic has a series of excellent performances such as high temperature resistance, wear resistance, oxidation resistance, high mechanical strength and the like, and particularly has excellent high-temperature mechanical properties (high-temperature strength, creep resistance and the like), so that the silicon carbide ceramic plays an important role in a plurality of important fields such as energy, aviation, aerospace, machinery, chemical industry and the like.
It is well known that any advanced material is of real use only after it has been machined into a component, and welding is an essential machining tool for forming the component. The main difficulties in ceramic welding include chemical factors and physical factors, wherein the former means that active elements must be added into common brazing filler metal, and the liquid brazing filler metal is infiltrated on the ceramic and connected by the interfacial chemical reaction of the active elements and the ceramic; the latter is manifested by the fact that the thermal expansion coefficient and the elastic modulus of the ceramic and the metal are greatly different, which causes great residual stress at the joint interface and causes adverse effect on the joint strength.
Although the silver, copper, titanium and other active solders can realize reliable connection during brazing of silicon carbide and other ceramics, considering that silicon carbide ceramic structural parts are generally required to be used under complex high-temperature working conditions, the silicon carbide joints welded by the silver, copper and titanium cannot meet performance requirements under high-temperature conditions.
Disclosure of Invention
Based on the technical problems, the invention provides the zirconium-based amorphous alloy brazing filler metal and the preparation method and application thereof, and the zirconium-based amorphous alloy brazing filler metal can realize reliable connection of brazed silicon carbide ceramics and overcome the defect of poor high-temperature welding strength of silicon carbide joints brazed by active brazing filler metals such as silver, copper, titanium and the like.
The invention provides a zirconium-based amorphous alloy brazing filler metal which comprises the following components in percentage by weight: 45-60% of Zr, 25-30% of Ag, 10-15% of Ni and the balance of Cu.
According to the invention, Zr is used as a basic alloy component, Ag, Cu and Ni elements are added to form the multi-element Zr-Ag-Ni-Cu alloy solder, the obtained solder has high amorphous forming capacity, and the main composition phase of the solder is a zirconium-based solid solution which has a solid solution strengthening effect and high strength and fracture strain capacity at room temperature and high temperature, so that the obtained solder has excellent high-temperature performance, and the high-temperature welding strength performance of the corresponding silicon carbide joint is greatly improved. In the method, a large amount of Zr is added, so that the amorphous forming capability of the alloy solder is greatly improved; the Cu and Ag have low melting points and good wettability, and the fluidity and the plasticity of the brazing filler metal are greatly improved while the melting point of the brazing filler metal is effectively reduced; in addition, Cu and Ag are used as alloy components of the zirconium-based brazing filler metal, and the content of the Cu and Ag needs to be controlled within a certain content range, so that the affinity of the zirconium-based brazing filler metal and the silicon carbide ceramic can be improved, and the wettability of the brazing filler metal to the silicon carbide ceramic alloy is improved; meanwhile, Ni has excellent corrosion resistance, can be mutually dissolved with Zr in liquid and solid states, and is an essential element for forming Zr-Ag-Ni-Cu amorphous alloy; moreover, the content of Ni as an alloy component of the zirconium-based solder also needs to be controlled within a certain content range, and as the content of Ni in the solder is increased or reduced, the plasticity and toughness of the solder are reduced, and a soldered joint becomes brittle.
Preferably, the solder composition further comprises: m is 0.2-2%, and M is at least one of Si, Ge or Sb.
In the invention, the fluidity and the oxidation resistance of the alloy solder can be further improved by adding Si, Ge or Sb.
The invention provides a preparation method of the zirconium-based amorphous alloy solder, which comprises the following steps: preparing Zr, Ag, Ni, Cu and/or M simple substances according to the composition of the brazing filler metal, uniformly smelting, and pouring into a water-cooled mold to prepare an amorphous alloy bar; and atomizing the obtained amorphous alloy bar to prepare fine powder to obtain the zirconium-based amorphous alloy solder.
Preferably, the purities of the Zr, Ag, Ni, Cu and M are all more than 99.95%.
Preferably, the smelting is carried out under the protection of inert gas, and the diameter of the obtained amorphous alloy bar is 30-80 mm.
Preferably, before the obtained amorphous alloy bar is atomized to prepare powder, the method further comprises a step of performing heat treatment on the obtained amorphous alloy bar, and the method specifically comprises the following steps: heating the obtained amorphous alloy bar to 700-720 ℃, preserving the heat for 1-3h, and then placing the amorphous alloy bar in ice water to cool the amorphous alloy bar to the room temperature.
According to the invention, before the obtained amorphous alloy bar is atomized to prepare powder, the amorphous alloy bar is subjected to heat treatment, so that the amorphous form of the obtained alloy solder is ensured.
The invention also provides an application of the brazing filler metal in brazing of silicon carbide ceramics and titanium alloy.
Preferably, the application comprises: and preparing the fine brazing filler metal powder into a soldering paste, coating the soldering paste on a welding seam of the silicon carbide ceramic and the titanium alloy, and performing vacuum heating brazing to complete the welding of the silicon carbide ceramic and the titanium alloy.
Preferably, the coating thickness is 10-50 μm, and the coating process is a screen printing coating process.
In the invention, the coating process of screen printing is adopted, so that the thickness of the welding seam can be ensured.
Preferably, the vacuum heat brazing specifically includes: firstly heating to 490-510 ℃ at the speed of 1-3 ℃/min in a vacuum degreasing furnace, keeping the temperature for 15-25min, then cooling to room temperature along with the furnace, taking out, heating to 740-770 ℃ in the vacuum brazing furnace, keeping the temperature for 10-30min, then cooling to 700-720 ℃ at the speed of 8-10 ℃/min, and cooling to room temperature along with the furnace.
According to the invention, the welding strength of the silicon carbide ceramic is ensured by controlling the technological parameters of the vacuum heating brazing.
Compared with the prior art, the invention has the following beneficial effects:
(1) the brazing temperature of the zirconium-based amorphous alloy brazing filler metal is between 740 and 770 ℃, the melting temperature of the brazing filler metal is low, and the brazing filler metal is melted uniformly.
(2) The zirconium-based amorphous alloy solder can accelerate atomic diffusion and interface reaction in the high-temperature connection process, has strong wetting and spreading capacity, has amorphous forming capacity compared with conventional active solders such as silver, copper and titanium, and can better wet matrix materials such as silicon carbide and the like, reduce residual stress in the obtained soldered joint and greatly improve the bonding strength of the joint under the high-temperature condition.
(3) The zirconium-based amorphous alloy solder disclosed by the invention is simple in preparation method, convenient and fast to implement, repeatable and reproducible in preparation, and convenient to popularize and apply.
Drawings
Fig. 1 is an X-ray diffraction pattern of the zirconium-based amorphous alloy brazing filler metal of example 1 of the present invention.
Fig. 2 is a scanning electron microscope image of the zirconium-based amorphous alloy solder in example 1 of the present invention.
Detailed Description
The present invention will be described in detail with reference to specific examples, but these examples should be explicitly mentioned for illustration, but should not be construed as limiting the scope of the present invention.
Example 1
The embodiment provides a zirconium-based amorphous alloy solder, which comprises the following components in percentage by weight: zr 52%, Ag 27%, Ni 12% and Cu 9%.
The preparation method of the zirconium-based amorphous alloy solder comprises the following steps:
(1) weighing Zr, Ag, Ni and Cu simple substances according to the weight percentage, wherein the purities of the Zr, Ag, Ni and Cu simple substances are all 99.99%;
(2) adding the Zr, Ag, Ni and Cu simple substances obtained in the step (1) into a suspension smelting furnace, vacuumizing, filling high-purity argon, heating and smelting uniformly, pouring the obtained melt into a water-cooled mold for rapid water cooling to prepare an amorphous alloy bar with the diameter of 50mm, adding the amorphous alloy bar into a heat treatment furnace, heating to 720 ℃, preserving heat for 2 hours, and then placing in ice water for cooling to room temperature;
(3) turning the amorphous alloy bar material obtained in the step (2) into a certain size specification, then loading the amorphous alloy bar material into a crucible-free gas atomization furnace, vacuumizing, atomizing by using argon gas to prepare powder, and sorting to prepare fine powder with a certain particle size, thus obtaining the zirconium-based amorphous alloy brazing filler metal.
FIG. 1 is an X-ray diffraction pattern of the above-mentioned zirconium-based amorphous alloy brazing filler metal, and it can be seen from FIG. 1 that the brazing filler metal is an amorphous alloy brazing filler metal; fig. 2 is a scanning electron microscope image of the zirconium-based amorphous alloy solder, and as can be seen from fig. 2, the solder has good sphericity, smooth surface and concentrated spherical particle size.
Preparing the 91 wt% of zirconium-based amorphous alloy solder, 3 wt% of ethyl cellulose, 3 wt% of triethanolamine, 2.5 wt% of terpineol and 0.5 wt% of polyamide wax into soldering paste, wherein the soldering method by using the soldering paste comprises the following steps:
before brazing, taking the titanium alloy and the silicon carbide ceramic as samples to be welded, sequentially carrying out ultrasonic cleaning in an acetone solution and an ethanol solution for 15min respectively, taking out the samples and drying the samples; then placing the soldering paste on a polyurethane screen, placing the obtained polyurethane screen on the surface of the titanium alloy, and uniformly coating the soldering paste on the joint of the titanium alloy and the silicon carbide by using ultrasonic waves, wherein the thickness of the joint is 30 mu m, so that the whole part to be welded is obtained; putting the whole part to be welded into a vacuum degreasing furnace, slowly heating to 500 ℃ at a speed of 2 ℃/min, preserving heat for 20min, taking out after cooling, putting the part into a vacuum brazing furnace for vacuum brazing until the vacuum degree reaches 10 - 2 And after Pa, heating to 750 ℃, preserving heat for 20min, then cooling to 720 ℃ at a speed of 10 ℃/min, and furnace-cooling to room temperature to finish welding.
It can be known that when the zirconium-based amorphous alloy brazing filler metal is used for vacuum brazing of silicon carbide ceramic and titanium alloy, good metallurgical bonding is formed in a welding area of the silicon carbide ceramic and the titanium alloy, a brazing seam is fully filled, a tensile strength test is carried out by using a tensile testing machine according to GB/T11363-.
Example 2
The embodiment provides a zirconium-based amorphous alloy solder, which comprises the following components in percentage by weight: zr 45%, Ag 30%, Ni 10% and Cu 15%.
The preparation method of the zirconium-based amorphous alloy solder comprises the following steps:
(1) weighing Zr, Ag, Ni and Cu simple substances according to the weight percentage, wherein the purities of the Zr, Ag, Ni and Cu simple substances are all 99.99%;
(2) adding the Zr, Ag, Ni and Cu simple substances obtained in the step (1) into a suspension smelting furnace, vacuumizing, filling high-purity argon, heating and smelting uniformly, pouring the obtained melt into a water-cooled mold for rapid water cooling to prepare an amorphous alloy bar with the diameter of 50mm, adding the amorphous alloy bar into a heat treatment furnace, heating to 700 ℃, preserving heat for 3 hours, and then placing in ice water for cooling to room temperature;
(3) turning the amorphous alloy bar material obtained in the step (2) into a certain size specification, then loading the amorphous alloy bar material into a crucible-free gas atomization furnace, vacuumizing, atomizing by using argon gas to prepare powder, and sorting to prepare fine powder with a certain particle size, thus obtaining the zirconium-based amorphous alloy brazing filler metal.
Preparing the 91 wt% of zirconium-based amorphous alloy solder, 3 wt% of ethyl cellulose, 3 wt% of triethanolamine, 2.5 wt% of terpineol and 0.5 wt% of polyamide wax into soldering paste, wherein the soldering method by using the soldering paste comprises the following steps:
before brazing, taking the titanium alloy and the silicon carbide ceramic as samples to be welded, sequentially carrying out ultrasonic cleaning in an acetone solution and an ethanol solution for 15min respectively, taking out the samples and drying the samples; then placing the soldering paste on a polyurethane screen, placing the obtained polyurethane screen on the surface of the titanium alloy, and uniformly coating the soldering paste on the joint of the titanium alloy and the silicon carbide by using ultrasonic waves, wherein the thickness of the joint is 30 mu m, so that the whole part to be welded is obtained; putting the whole part to be welded into a vacuum degreasing furnace, slowly heating to 500 ℃ at a speed of 2 ℃/min, preserving heat for 20min, taking out after cooling, putting the part into a vacuum brazing furnace for vacuum brazing until the vacuum degree reaches 10 - 2 And after Pa, heating to 750 ℃, preserving heat for 20min, then cooling to 720 ℃ at a speed of 10 ℃/min, and furnace-cooling to room temperature to finish welding.
It can be known that when the zirconium-based amorphous alloy brazing filler metal is used for vacuum brazing of silicon carbide ceramic and titanium alloy, good metallurgical bonding is formed in a welding area of the silicon carbide ceramic and the titanium alloy, a brazing seam is fully filled, a tensile strength test is carried out by using a tensile testing machine according to GB/T11363-.
Example 3
The embodiment provides a zirconium-based amorphous alloy solder, which comprises the following components in percentage by weight: 60% of Zr, 25% of Ag, 10% of Ni and 5% of Cu.
The preparation method of the zirconium-based amorphous alloy solder comprises the following steps:
(1) weighing Zr, Ag, Ni and Cu simple substances according to the weight percentage, wherein the purities of the Zr, Ag, Ni and Cu simple substances are all 99.99%;
(2) adding the Zr, Ag, Ni and Cu simple substances obtained in the step (1) into a suspension smelting furnace, vacuumizing, filling high-purity argon, heating and smelting uniformly, pouring the obtained melt into a water-cooled mold for rapid water cooling to prepare an amorphous alloy bar with the diameter of 50mm, adding the amorphous alloy bar into a heat treatment furnace, heating to 720 ℃, preserving heat for 1h, and then placing in ice water for cooling to room temperature;
(3) turning the amorphous alloy bar material obtained in the step (2) into a certain size specification, then loading the amorphous alloy bar material into a crucible-free gas atomization furnace, vacuumizing, atomizing by using argon gas to prepare powder, and sorting to prepare fine powder with a certain particle size, thus obtaining the zirconium-based amorphous alloy brazing filler metal.
Preparing the 91 wt% of zirconium-based amorphous alloy solder, 3 wt% of ethyl cellulose, 3 wt% of triethanolamine, 2.5 wt% of terpineol and 0.5 wt% of polyamide wax into soldering paste, wherein the soldering method by using the soldering paste comprises the following steps:
before brazing, taking the titanium alloy and the silicon carbide ceramic as samples to be welded, sequentially carrying out ultrasonic cleaning in an acetone solution and an ethanol solution for 15min respectively, taking out the samples and drying the samples; then placing the soldering paste on a polyurethane screen, placing the obtained polyurethane screen on the surface of the titanium alloy, and uniformly coating the soldering paste on the joint of the titanium alloy and the silicon carbide by using ultrasonic waves, wherein the thickness of the joint is 30 mu m, so that the whole part to be welded is obtained; putting the whole part to be welded into a vacuum degreasing furnace, slowly heating to 500 ℃ at a speed of 2 ℃/min, preserving heat for 20min, taking out after cooling, putting the part into a vacuum brazing furnace for vacuum brazing until the vacuum degree reaches 10 - 2 And after Pa, heating to 750 ℃, preserving heat for 20min, then cooling to 720 ℃ at a speed of 10 ℃/min, and furnace-cooling to room temperature to finish welding.
It can be known that when the zirconium-based amorphous alloy solder is used for vacuum brazing of silicon carbide ceramic and titanium alloy, good metallurgical bonding is formed in a welding area of the silicon carbide ceramic and the titanium alloy, a brazing seam is fully filled, a tensile strength test is carried out by using a tensile testing machine according to GB/T11363-.
Example 4
The embodiment provides a zirconium-based amorphous alloy solder, which comprises the following components in percentage by weight: zr 52%, Ag 27%, Ni 12%, Si 0.6%, Sb 0.4% and Cu 8%.
The preparation method of the zirconium-based amorphous alloy solder comprises the following steps:
(1) weighing Zr, Ag, Ni, Si, Sb and Cu simple substances according to the weight percentage, wherein the purities of the Zr, Ag, Ni, Si, Sb and Cu simple substances are all 99.99%;
(2) adding the Zr, Ag, Ni, Si, Sb and Cu simple substances obtained in the step (1) into a suspension smelting furnace, vacuumizing, filling high-purity argon, heating and smelting uniformly, pouring the obtained molten liquid into a water-cooled mold for rapid water cooling to prepare an amorphous alloy bar with the diameter of 50mm, adding the amorphous alloy bar into a heat treatment furnace, heating to 720 ℃, preserving heat for 2 hours, and then placing in ice water for cooling to room temperature;
(3) turning the amorphous alloy bar material obtained in the step (2) into a certain size specification, then placing the amorphous alloy bar material into a crucible-free gas atomization furnace, vacuumizing, atomizing by adopting argon gas to prepare powder, and preparing fine powder with a certain particle size after sorting to obtain the zirconium-based amorphous alloy brazing filler metal.
Preparing the 91 wt% of zirconium-based amorphous alloy solder, 3 wt% of ethyl cellulose, 3 wt% of triethanolamine, 2.5 wt% of terpineol and 0.5 wt% of polyamide wax into soldering paste, wherein the soldering method by using the soldering paste comprises the following steps:
before brazing, taking the titanium alloy and the silicon carbide ceramic as samples to be welded, sequentially carrying out ultrasonic cleaning in an acetone solution and an ethanol solution for 15min respectively, taking out the samples and drying the samples; then placing the soldering paste on a polyurethane screen, placing the obtained polyurethane screen on the surface of the titanium alloy, and uniformly coating the soldering paste on the joint of the titanium alloy and the silicon carbide by using ultrasonic waves, wherein the thickness of the joint is 30 mu m, so that the whole part to be welded is obtained; putting the whole part to be welded into a vacuum degreasing furnace, slowly heating to 500 ℃ at the speed of 2 ℃/min, preserving heat for 20min, taking out after cooling, putting the part into a vacuum brazing furnace for vacuum brazing until the vacuum degree reachesTo 10 - 2 And after Pa, heating to 750 ℃, preserving heat for 20min, then cooling to 720 ℃ at a speed of 10 ℃/min, and furnace-cooling to room temperature to finish welding.
It can be known that when the zirconium-based amorphous alloy brazing filler metal is used for vacuum brazing of silicon carbide ceramic and titanium alloy, good metallurgical bonding is formed in a welding area of the silicon carbide ceramic and the titanium alloy, a brazing seam is fully filled, a tensile strength test is carried out by using a tensile testing machine according to GB/T11363-.
Comparative example 1
This comparative example used a silver copper titanium active solder (Ag 68.8%, Cu 26.7%, Ti 4.5%) and tested the solder on silicon carbide ceramics and titanium alloys with the same solder paste composition and soldering and testing methods as in example 1.
It is found that, when the silver-copper-titanium active brazing material is used for vacuum brazing of silicon carbide ceramics and titanium alloys, the tensile strength of a welded joint at 350 ℃ is only 35MPa, although a good metallurgical bond is formed in the welded region.
Comparative example 2
The comparative example uses a zirconium based brazing filler metal, but it comprises, in weight percent: zr 40%, Ag 28%, Ni 12% and Cu 20%, the brazing effect and tensile strength of the brazing filler metal on silicon carbide ceramics and titanium alloy were tested by the same brazing filler metal preparation method and the same solder paste composition and brazing and testing method as in example 1.
It is found that, when the above-mentioned zirconium-based brazing filler metal is used for vacuum brazing of silicon carbide ceramics and titanium alloys, the tensile strength of the welded joint at 350 ℃ is only 106MPa, although a good metallurgical bond is formed in the welded region.
Comparative example 3
The comparative example uses a zirconium based brazing filler metal, but it comprises, in weight percent: zr 55%, Ag 22%, Ni 18% and Cu 5%, the brazing effect and tensile strength of the brazing filler metal on silicon carbide ceramics and titanium alloys were tested by the same brazing filler metal preparation method and the same solder paste composition and brazing and testing method as in example 1.
It is found that when the above-mentioned zirconium-based brazing filler metal is used for vacuum brazing of silicon carbide ceramics and titanium alloys, the tensile strength of the welded joint at 350 ℃ is only 129MPa although a good metallurgical bond is formed in the welded region.
From the above examples and comparative examples, it can be seen that the high temperature performance of the joints when the zirconium-based amorphous alloy solder of the present invention is used for vacuum brazing of silicon carbide ceramics and titanium alloys is much higher than that of silver-copper-titanium active solder, and the formula composition of the zirconium-based amorphous alloy solder is different from that of the zirconium-based solder of the present invention.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The zirconium-based amorphous alloy brazing filler metal is characterized by comprising the following components in percentage by weight: 45-60% of Zr, 25-30% of Ag, 10-15% of Ni and the balance of Cu.
2. The zirconium based amorphous alloy solder according to claim 1, wherein the solder composition further comprises, in weight percent: m is 0.2-2%, and M is at least one of Si, Ge or Sb.
3. A method for preparing a zirconium-based amorphous alloy brazing filler metal according to claim 1 or 2, comprising: preparing Zr, Ag, Ni, Cu and/or M simple substances according to the composition of the brazing filler metal, uniformly smelting, and pouring into a water-cooled mold to prepare an amorphous alloy bar; and atomizing the obtained amorphous alloy bar to prepare fine powder to obtain the zirconium-based amorphous alloy solder.
4. The method according to claim 3, wherein the purities of the Zr, Ag, Ni, Cu and M are all 99.95% or higher.
5. The method for preparing the zirconium-based amorphous alloy solder according to claim 3 or 4, wherein the smelting is carried out under the protection of inert gas, and the diameter of the obtained amorphous alloy bar is 30-80 mm.
6. The method for preparing the zirconium-based amorphous alloy solder according to any one of claims 3 to 5, wherein before the step of atomizing the obtained amorphous alloy bar into powder, the method further comprises the step of performing heat treatment on the obtained amorphous alloy bar, and the method specifically comprises the following steps: heating the obtained amorphous alloy bar to 700-720 ℃, preserving the heat for 1-3h, and then placing the amorphous alloy bar in ice water to cool the amorphous alloy bar to the room temperature.
7. Use of a solder according to claim 1 or 2 for brazing silicon carbide ceramics and titanium alloys.
8. Use of a braze according to claim 7 for brazing silicon carbide ceramics and titanium alloys, comprising: and preparing the fine brazing filler metal powder into a soldering paste, coating the soldering paste on a welding seam of the silicon carbide ceramic and the titanium alloy, and performing vacuum heating brazing to complete the welding of the silicon carbide ceramic and the titanium alloy.
9. Use of a brazing filler metal according to claim 8 for brazing silicon carbide ceramics and titanium alloys, wherein the coating thickness is 10-50 μm and the coating process is a screen printing coating process.
10. Use of a brazing filler metal according to claim 8 or 9 for brazing silicon carbide ceramics and titanium alloys, wherein said vacuum heat brazing comprises in particular: firstly heating to 490-510 ℃ at the speed of 1-3 ℃/min in a vacuum degreasing furnace, keeping the temperature for 15-25min, then cooling to room temperature along with the furnace, taking out, heating to 740-770 ℃ in the vacuum brazing furnace, keeping the temperature for 10-30min, then cooling to 700-720 ℃ at the speed of 8-10 ℃/min, and cooling to room temperature along with the furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210646942.1A CN115070258B (en) | 2022-06-09 | 2022-06-09 | Zirconium-based amorphous alloy solder and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210646942.1A CN115070258B (en) | 2022-06-09 | 2022-06-09 | Zirconium-based amorphous alloy solder and preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115070258A true CN115070258A (en) | 2022-09-20 |
| CN115070258B CN115070258B (en) | 2023-04-25 |
Family
ID=83252440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210646942.1A Active CN115070258B (en) | 2022-06-09 | 2022-06-09 | Zirconium-based amorphous alloy solder and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115070258B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117209170A (en) * | 2023-08-28 | 2023-12-12 | 苏州大学 | Laser welding method for nickel-based alloy and silicon carbide glass |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6530971B1 (en) * | 2001-01-29 | 2003-03-11 | General Electric Company | Nickel-base braze material and braze repair method |
| CN101172880A (en) * | 2007-09-21 | 2008-05-07 | 江苏科技大学 | Titanium group high temperature amorphous solder of hard solder Si*N* ceramic and method for producing the same |
| KR20100066303A (en) * | 2008-12-09 | 2010-06-17 | 한국원자력연구원 | Low temperature joining method between ti/ti-based alloys having a bonding strength higher than those of base metals |
| CN106271213A (en) * | 2015-05-22 | 2017-01-04 | 成都飞机工业（集团）有限责任公司 | A kind of titanium-zirconium-copper-nickel-based solder for titanium alloy soldering |
| CN106346168A (en) * | 2016-11-10 | 2017-01-25 | 江苏科技大学 | Adhesive tape solder for joining 304 stainless steel and alumina ceramic as well as preparation and soldering methods of adhesive tape solder |
| CN106392363A (en) * | 2016-12-06 | 2017-02-15 | 北京航空航天大学 | Titanium and zirconium-based amorphous alloy brazing filler metal with low contents of Cu and Ni and without containing Si element and preparation method thereof |
| CN110303216A (en) * | 2019-05-09 | 2019-10-08 | 重庆师范大学 | Zirconium-based metallic glass fusion material and preparation method thereof |
-
2022
- 2022-06-09 CN CN202210646942.1A patent/CN115070258B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6530971B1 (en) * | 2001-01-29 | 2003-03-11 | General Electric Company | Nickel-base braze material and braze repair method |
| CN101172880A (en) * | 2007-09-21 | 2008-05-07 | 江苏科技大学 | Titanium group high temperature amorphous solder of hard solder Si*N* ceramic and method for producing the same |
| KR20100066303A (en) * | 2008-12-09 | 2010-06-17 | 한국원자력연구원 | Low temperature joining method between ti/ti-based alloys having a bonding strength higher than those of base metals |
| CN106271213A (en) * | 2015-05-22 | 2017-01-04 | 成都飞机工业（集团）有限责任公司 | A kind of titanium-zirconium-copper-nickel-based solder for titanium alloy soldering |
| CN106346168A (en) * | 2016-11-10 | 2017-01-25 | 江苏科技大学 | Adhesive tape solder for joining 304 stainless steel and alumina ceramic as well as preparation and soldering methods of adhesive tape solder |
| CN106392363A (en) * | 2016-12-06 | 2017-02-15 | 北京航空航天大学 | Titanium and zirconium-based amorphous alloy brazing filler metal with low contents of Cu and Ni and without containing Si element and preparation method thereof |
| CN110303216A (en) * | 2019-05-09 | 2019-10-08 | 重庆师范大学 | Zirconium-based metallic glass fusion material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117209170A (en) * | 2023-08-28 | 2023-12-12 | 苏州大学 | Laser welding method for nickel-based alloy and silicon carbide glass |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115070258B (en) | 2023-04-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2019527145A (en) | SnBiSb low-temperature lead-free solder | |
| Pal et al. | Investigation of microstructure and wetting behavior of Sn–3.0 Ag–0.5 Cu (SAC305) lead-free solder with additions of 1.0 wt% SiC on copper substrate | |
| CN112548396B (en) | Cu-based alloy brazing filler metal containing Ga, preparation method of brazing filler metal and brazing method | |
| Wu et al. | Induction brazing of Inconel 718 to Inconel X-750 using Ni–Cr–Si–B amorphous foil | |
| CN108406029B (en) | Titanium-based composite brazing filler metal and preparation and brazing methods thereof | |
| Shen et al. | Effects of Cu, Zn on the wettability and shear mechanical properties of Sn-Bi-based lead-free solders | |
| CN110193683B (en) | Brazing filler metal for TiAl-Ni dissimilar material connection | |
| CN115070258B (en) | Zirconium-based amorphous alloy solder and preparation method and application thereof | |
| Jayesh et al. | Investigations on the properties of new lead free solder alloy composition–Sn-0.5 Cu-3.5 Bi | |
| CN114952080B (en) | Ti-Zr-Cu-Ni-In amorphous solder for SP700 titanium alloy | |
| CN115430949B (en) | Five-membered eutectic high-toughness low-Wen Xibi-series solder and preparation method thereof | |
| WO2023103289A1 (en) | Lead-free solder alloy, preparation method therefor and use thereof | |
| Hwang et al. | Characterization of reflow soldering at a peak temperature of 215° C using a Bi-coated Sn-3.0 Ag-0.5 Cu solder ball | |
| CN109290697A (en) | A kind of active solder and its preparation method and application being brazed C/C composite material | |
| CN112621020B (en) | Nickel-based flux-cored brazing filler metal, preparation method and application | |
| Nazri et al. | Effect of rare-element (Ga) addition on the microstructure and mechanical properties of Sn-0.7 Cu and Sn-0.7 Cu-0.05 Ni lead-free solder alloys | |
| Xu et al. | Effect of Ca element on oxygen content, wetting and spreading properties of Au–Ga filler metal | |
| Fei et al. | Effects of Sn element on microstructure and properties of Zn–Cu–Bi–Sn high-temperature solder | |
| Barazandeh et al. | Wide gap brazing of NIMONIC 105 superalloy using BNi-2 filler and the effect of post braze heat treatment on joint properties | |
| CN105689915B (en) | The method that magnesium ambrose alloy ternary brazing filler metal alloy is prepared based on diffusion in vacuum reaction | |
| CN108907500A (en) | A kind of high temperature auri active solder and preparation method thereof | |
| Koleňák et al. | Study of direct soldering of Al 2 O 3 ceramics and Cu substrate by use of Bi11Ag2La solder | |
| TWI697373B (en) | Aluminum-based metal bonding method | |
| Bi et al. | Interfacial IMC Growth and Nanomechanical Characterizations of Solder in Sn-16Sb/Cu Joints during Solid-state Aging | |
| CN111151915B (en) | Composite brazing filler metal for SiC ceramic low-stress brazing and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 310000 No. 372, Jinpeng street, Sandun Industrial Park, Xihu District, Hangzhou City, Zhejiang Province Applicant after: Zhejiang Yatong New Materials Co.,Ltd. Address before: 310000 No. 372, Jinpeng street, Sandun Industrial Park, Xihu District, Hangzhou City, Zhejiang Province Applicant before: ZHEJIANG ASIA GENERAL SOLDERING & BRAZING MATERIAL Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |