WO2013129192A1 - ろう付方法 - Google Patents

ろう付方法 Download PDF

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Publication number
WO2013129192A1
WO2013129192A1 PCT/JP2013/054048 JP2013054048W WO2013129192A1 WO 2013129192 A1 WO2013129192 A1 WO 2013129192A1 JP 2013054048 W JP2013054048 W JP 2013054048W WO 2013129192 A1 WO2013129192 A1 WO 2013129192A1
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WO
WIPO (PCT)
Prior art keywords
brazing
base material
foil
metal layer
metal
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.)
Ceased
Application number
PCT/JP2013/054048
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
紘介 西川
哲也 森藤
杏三 水野
延樹 根来
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to US14/381,287 priority Critical patent/US9427817B2/en
Publication of WO2013129192A1 publication Critical patent/WO2013129192A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B23K1/00—Soldering, e.g. brazing, or unsoldering
    • B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
    • 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
    • B23K1/19—Soldering, e.g. brazing, or unsoldering taking account of the properties of the materials to be soldered
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
    • F02K9/08—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using solid propellants
    • F02K9/32—Constructional parts; Details not otherwise provided for
    • F02K9/34—Casings; Combustion chambers; Liners thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
    • F02K9/42—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using liquid or gaseous propellants
    • F02K9/60—Constructional parts; Details not otherwise provided for
    • F02K9/62—Combustion or thrust chambers
    • F02K9/64—Combustion or thrust chambers having cooling arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/20—Manufacture essentially without removing material
    • F05D2230/23—Manufacture essentially without removing material by permanently joining parts together
    • F05D2230/232—Manufacture essentially without removing material by permanently joining parts together by welding
    • F05D2230/237—Brazing

Definitions

  • the present invention relates to a brazing method and a method for manufacturing a rocket engine combustion chamber.
  • a method for manufacturing a rocket engine combustion chamber disclosed in Patent Document 1 will be described. Brazing is used in the method of manufacturing the rocket engine combustion chamber.
  • the manufacturing method of a rocket engine combustion chamber includes the following steps.
  • a cooling fluid liner is formed.
  • the cooling fluid liner is made of a copper alloy.
  • a plurality of cooling fluid channels are formed on the outer surface of the cooling fluid liner.
  • Form at least two throat supports. Form a structural jacket with a manifold.
  • the throat support and structural jacket are made of stainless steel. Plating the cooling fluid liner with gold. Plate the throat support and structural jacket with nickel.
  • a throat support is assembled around the outer surface of the cooling fluid liner and the throat support and cooling fluid liner are inserted into the structural jacket to form a combustion chamber assembly.
  • a brazing alloy foil is inserted between the cooling fluid liner, the throat support, and the structural jacket.
  • a sealing joint (not shown) is formed between the cooling fluid liner and the structural jacket to seal the cooling fluid flow path.
  • Insert the combustion chamber assembly into a pressure furnace (not shown). The pressure furnace is pressurized to bring the cooling fluid liner, throat support, and structural jacket into contact with each other. The combustion chamber assembly is heated while the pressure furnace is pressurized to join the cooling fluid liner, throat support, and structural jacket. The manifold of the structural jacket and the cooling fluid flow path are connected.
  • Patent Document 2 discloses a method for manufacturing a rocket engine combustion chamber. In this method, brazing (HIP brazing) by hot isostatic pressing is performed.
  • the present invention may provide a brazing method and a rocket engine combustion chamber manufacturing method in which the cost for providing a diffusion barrier layer between the base material and the foil brazing material is reduced.
  • the brazing method includes a first base material having a first unplated surface, a metal layer functioning as a diffusion barrier layer, a foil brazing material, and a second base material having a second surface. Disposing the first base material, the metal layer, the foil brazing material, and the second base material so that the first surface and the second surface face each other, and Brazing the first base material and the second base material with the foil brazing material.
  • a laminate is disposed between the first base material and the second base material.
  • the laminated body includes the foil brazing material and the metal layer bonded to the foil brazing material.
  • the plurality of stacked bodies are the first surface and the second body. Arranged along the surface.
  • the size of the laminated body can be reduced. Therefore, it is easy to manufacture the laminate.
  • the brazing method further includes the step of manufacturing the laminate by forming the metal layer on the surface of the foil brazing material by electroplating.
  • the brazing method further includes the step of manufacturing the laminate by forming the metal layer on the surface of the foil brazing material by sputtering.
  • the brazing method further includes the step of manufacturing the laminated body by press-bonding the metal foil to be the metal layer and the foil brazing material.
  • the metal layer is a metal foil.
  • the metal layer is a metal foil, plating work, sputtering work, and crimping work on the foil brazing material are unnecessary.
  • the second surface is not plated.
  • another metal foil functioning as another diffusion barrier layer is used as the foil brazing material and the second base material. Place between materials.
  • the other metal foil is different in composition from the metal foil.
  • Disposing metal foils having different components on both sides of the brazing filler metal is easier than forming metal layers having different components on both sides of the foil brazing material by plating or the like.
  • a method for manufacturing a rocket engine combustion chamber includes a first base material having a first unplated surface, a metal layer functioning as a diffusion barrier layer, a foil brazing material, and a second surface.
  • the first base material, the metal layer, the foil brazing material, and the second base material are arranged so that the second base material is arranged in order and the first surface and the second surface face each other. And brazing the first base material and the second base material with the foil brazing material.
  • a groove to be a flow path through which the cooling fluid flows is formed on the first surface.
  • a brazing method and a rocket engine combustion chamber manufacturing method in which the cost for providing a diffusion barrier layer between a base material and a foil brazing material is reduced.
  • FIG. 1 is a cross-sectional view of a joint by a brazing method according to a comparative example of the present invention.
  • FIG. 2 is a cross-sectional view of another joint by a brazing method according to a comparative example of the present invention.
  • FIG. 3 is a cross-sectional view of a joint portion obtained by the brazing method according to the first embodiment of the present invention.
  • FIG. 4 is a cross-sectional view of another joint by the brazing method according to the first embodiment.
  • FIG. 5 is a schematic view showing a method for manufacturing a laminate used in the brazing method according to the first embodiment.
  • FIG. 6 is a schematic view showing another method of manufacturing the laminate used in the brazing method according to the first embodiment.
  • FIG. 7 is a schematic view showing still another method for manufacturing a laminate used in the brazing method according to the first embodiment.
  • FIG. 8 is a cross-sectional view of a joint portion obtained by a brazing method according to a first modification of the first embodiment.
  • FIG. 9 is a cross-sectional view of a joint portion obtained by a brazing method according to a second modification of the first embodiment.
  • FIG. 10 is a cross-sectional view of a joint portion obtained by the brazing method according to the second embodiment of the present invention.
  • FIG. 11 is a cross-sectional view of a joint portion obtained by a brazing method according to a first modification of the second embodiment.
  • FIG. 12A is an assembly view of a rocket engine combustion chamber according to the first and second embodiments.
  • FIG. 12B is a cross-sectional view of the rocket engine combustion chamber according to the first and second embodiments.
  • FIG. 13A shows a cross-sectional photograph of a joint according to a comparative example.
  • FIG. 13B shows a cross-sectional photograph of the joint according to the first embodiment.
  • FIG. 14 shows the results of a tensile test of the joint according to the comparative example and the joint according to the first embodiment.
  • FIG. 1 shows a state before brazing of a joint portion (brazing portion) by a brazing method according to a comparative example of the present invention.
  • a foil brazing material 231 is disposed between the base materials 10 and 15 to be brazed.
  • the surface 11 of the base material 10 and the surface 16 of the base material 15 face each other.
  • the shape of the base material 10 and the shape of the base material 15 are arbitrary.
  • the surface 11 and the surface 16 may be flat or curved.
  • a metal layer 232 as a plating layer is formed on the surface 11.
  • the base material 10 is made of magnesium alloy, aluminum alloy, titanium alloy, iron alloy, cobalt alloy, nickel alloy, copper alloy, pure magnesium, pure aluminum, pure titanium, pure iron, pure cobalt, pure nickel, or pure copper.
  • the foil brazing material 231 is made of a cobalt brazing material, a nickel brazing material, a copper brazing material, a palladium brazing material, a silver brazing material, or a gold brazing material.
  • the metal layer 232 is formed of nickel, copper, gold, an alloy containing nickel as a main component, an alloy containing copper as a main component, or an alloy containing gold as a main component.
  • the material of the base material 15 is different from the material of the base material 10.
  • the thickness of the foil brazing material 231 is 10 to 200 ⁇ m, and the thickness of the metal layer 232 is 5 to 20 ⁇ m.
  • the base material 10 and the base material are obtained.
  • 15 is brazed using a foil brazing material 231.
  • the components of the base material 10, the metal layer 232, and the foil brazing material 231 are diffused so that the boundary between the base material 10 and the metal layer 232 becomes unclear, and the metal layer 232 and the foil brazing material The boundary of 231 becomes unclear.
  • the components of the foil brazing material 231 and the base material 15 are diffused, so that the boundary between the foil brazing material 231 and the base material 15 becomes unclear. If the reaction temperature between the components of the brazing filler metal 231 and the base material 10 is low or the diffusion of the constituents of the foil brazing material 231 in the base material 10 is fast, the base material 10 and the brazing brazing during brazing are performed. If the reaction of the material 231 is not suppressed to some extent, there is a possibility that a defect or an embrittlement layer leading to a decrease in the mechanical strength of the joint portion may occur.
  • the metal layer 232 functions as a diffusion barrier layer that suppresses the reaction between the base material 10 and the foil brazing material 231 to some extent during brazing. That is, the material of the metal layer 232 is selected according to the material of the base material 10 and the material of the foil brazing material 231.
  • FIG. 2 shows a state before brazing of another joint portion (brazing portion) by the brazing method according to the comparative example.
  • a foil brazing material 231 is disposed between the base materials 20 and 25 to be brazed.
  • the surface 21 of the base material 20 and the surface 26 of the base material 25 face each other.
  • the shape of the base material 20 and the shape of the base material 25 are arbitrary.
  • the surface 21 and the surface 26 may be flat or curved.
  • a plurality of grooves 22 are formed on the surface 21.
  • a metal layer 232 as a plating layer is formed on a portion other than the plurality of groove portions 22 on the surface 21.
  • the base material 20 is made of magnesium alloy, aluminum alloy, titanium alloy, iron alloy, cobalt alloy, nickel alloy, copper alloy, pure magnesium, pure aluminum, pure titanium, pure iron, pure cobalt, pure nickel, or pure copper.
  • the foil brazing material 231 is formed of a cobalt brazing material, a nickel brazing material, a copper brazing material, a palladium brazing material, a silver brazing material, or a gold brazing material.
  • the metal layer 232 is formed of nickel, copper, gold, an alloy containing nickel as a main component, an alloy containing copper as a main component, or an alloy containing gold as a main component.
  • the material of the base material 25 is different from the material of the base material 20.
  • the base material 20 and the base material are heated. 25 is brazed with a foil brazing material 231.
  • the components of the base material 20, the metal layer 232, and the foil brazing material 231 diffuse to make the boundary between the base material 20 and the metal layer 232 unclear, and the metal layer 232 and the foil brazing material.
  • the boundary of 231 becomes unclear.
  • the components of the foil brazing material 231 and the base material 25 are diffused, so that the boundary between the foil brazing material 231 and the base material 25 becomes unclear.
  • the base material 20 and the brazing brazing at the time of brazing If the reaction of the material 231 is not suppressed to some extent, there is a possibility that a defect or an embrittlement layer leading to a decrease in the mechanical strength of the joint portion may occur.
  • the metal layer 232 functions as a diffusion barrier layer that suppresses the reaction between the base material 20 and the foil brazing material 231 to some extent during brazing. That is, the material of the metal layer 232 is selected according to the material of the base material 20 and the material of the foil brazing material 231.
  • the problem of the brazing method according to the comparative example will be explained.
  • the surfaces 11 and 21 are curved surfaces such as cylindrical surfaces, or when the areas of the surfaces 11 and 21 are large, it is difficult to control the film thickness when forming the metal layer 232 by plating.
  • the sizes of the base materials 10 and 20 are large, a large plating bath and a large amount of bath liquid are required, and the equipment cost and the running cost of plating are high.
  • the metal layer 232 is formed on the base material 20 by electroplating without masking the groove portion 22, a lump of plating material may be formed at the corner portion of the groove portion 22.
  • a lump of plating material at least partially blocks the flow path.
  • a step of filling the groove 22 with a masking material before forming the metal layer 232 on the surface 21 of the base material 20 by plating, and a masking material after the formation of the metal layer 232 are performed. The process of removing is required.
  • FIG. 3 shows a state before brazing of a joint portion (brazing portion) by the brazing method according to the first embodiment of the present invention.
  • the brazing method according to the first embodiment for the first base material sample will be described.
  • the laminated body 30 is arrange
  • the laminated body 30 includes a foil brazing material 31 and a metal layer 32 bonded to the foil brazing material 31.
  • the base material 10, the metal layer 32, the foil brazing material 31, and the base material 15 are arranged in this order, and the surface 11 of the base material 10 and the surface 16 of the base material 15 face each other.
  • the surface 11 is not plated.
  • the foil brazing material 31 is formed of a cobalt brazing material, a nickel brazing material, a copper brazing material, a palladium brazing material, a silver brazing material, or a gold brazing material.
  • the metal layer 32 is formed of nickel, copper, gold, an alloy containing nickel as a main component, an alloy containing copper as a main component, or an alloy containing gold as a main component.
  • the thickness of the brazing filler metal 31 is 10 to 200 ⁇ m, and the thickness of the metal layer 32 is 5 to 20 ⁇ m. For example, the thickness of the brazing filler metal 31 is 50 ⁇ m, and the thickness of the metal layer 32 is 10 ⁇ m.
  • the base material 10 and the base material 15 are heated. Braze with 31.
  • HIP brazing may be applied and other brazing may be applied.
  • the base material 10 component, the metal layer 32 component, and the foil brazing material 31 component diffuse to make the boundary between the base material 10 and the metal layer 32 unclear.
  • the boundary of 31 becomes unclear.
  • the components of the foil brazing material 31 and the base material 15 are diffused, so that the boundary between the foil brazing material 31 and the base material 15 becomes unclear.
  • the base material 10 and the brazing braze at the time of brazing If the reaction of the material 31 is not suppressed to some extent, there is a possibility that a defect or an embrittlement layer that leads to a decrease in the mechanical strength of the joint portion occurs.
  • the metal layer 32 functions as a diffusion barrier layer that suppresses the reaction between the base material 10 and the foil brazing material 31 during brazing to some extent. That is, the material of the metal layer 32 is selected according to the material of the base material 10 and the material of the foil brazing material 31.
  • FIG. 4 illustrates a brazing method according to the first embodiment for the second base material sample.
  • the laminated body 30 is arrange
  • the base material 20, the metal layer 32, the brazing filler metal 31, and the base material 25 are arranged in this order, and the surface 21 of the base material 20 and the surface 26 of the base material 25 face each other.
  • the surface 21 is not plated.
  • a groove 22 is formed on the surface of the base material 20 facing the base material 25 by cutting or cutting.
  • the groove 22 may be formed in a comb shape.
  • the base material 20 and the base material 25 are heated. Braze with 31.
  • HIP brazing may be applied and other brazing may be applied.
  • the components of the base material 20, the metal layer 32, and the foil brazing material 31 are diffused, so that the boundary between the base material 20 and the metal layer 32 becomes unclear.
  • the boundary of 31 becomes unclear.
  • the components of the foil brazing material 31 and the base material 25 diffuse, so that the boundary between the foil brazing material 31 and the base material 25 becomes unclear.
  • the base material 20 and the brazing brazing at the time of brazing If the reaction of the material 31 is not suppressed to some extent, there is a possibility that a defect or an embrittlement layer that leads to a decrease in the mechanical strength of the joint portion occurs.
  • the metal layer 32 functions as a diffusion barrier layer that suppresses the reaction between the base material 20 and the foil brazing material 31 to some extent during brazing. That is, the material of the metal layer 32 is selected according to the material of the base material 20 and the material of the foil brazing material 31.
  • the manufacturing method of the laminated body 30 is demonstrated.
  • the metal layer 32 is formed by electroplating.
  • the brazing filler metal 31 includes a surface 31a and a surface 31b opposite to the surface 31a.
  • the surface 31 b is covered with a plating inhibitor 45.
  • a DC power source 43 is connected to the brazing filler metal 31 and the electrode 44 immersed in the bath solution 42 in the plating bath 41 to form the metal layer 32 on the surface 31a.
  • the plating bath 41 may be smaller and the amount of the bath solution 42 may be smaller.
  • the metal layer 32 is formed by sputtering. While the sputtering apparatus 46 is moved along the surface 31 a of the foil brazing material 31, particles from the sputtering apparatus 46 are attached to the surface 31 a of the foil brazing material 31 to form the metal layer 32.
  • the laminated body 30 is manufactured by pressure-bonding the metal foil to be the metal layer 32 and the foil brazing material 31 using rollers 47 and 48.
  • the metal foil is pressure-bonded to the surface 31 a of the foil brazing material 31.
  • the manufacturing method of the laminated body 30 is not limited to the said example.
  • the brazing method according to the present embodiment can be performed without depending on the shape and size of the base materials 10 and 20.
  • a metal layer functioning as a diffusion barrier layer is not formed on the base materials 10 and 20 by plating, so that a large plating bath for plating the base materials 10 and 20 is not necessary. Therefore, the cost (equipment cost and running cost) for providing the diffusion barrier layer is reduced. In particular, when a gold diffusion barrier layer is provided, the cost reduction effect is great.
  • the metal layer functioning as a diffusion barrier layer is not formed on the base material 20 by plating, the step of filling the masking material into the groove portion 22 formed on the surface 21 of the base material 20 and the step of removing the masking material are unnecessary. is there. Since the metal layer 32 is formed on the foil brazing material 31, it is easy to control the film thickness of the metal layer 32, and various methods such as electroplating, sputtering, and pressure bonding can be applied to the formation of the metal layer 32.
  • FIG. 8 shows a state before the joining portion (brazing portion) of the first base material sample is brazed by the brazing method according to the first modification of the first embodiment.
  • a brazing method according to a first modification of the first embodiment will be described.
  • the laminated body 35 includes a foil brazing material 31, a metal layer 32 bonded to the surface 31 a of the foil brazing material 31, and a metal layer 33 bonded to the surface 31 b of the foil brazing material 31.
  • the base material 10 is made of magnesium alloy, aluminum alloy, titanium alloy, iron alloy, cobalt alloy, nickel alloy, copper alloy, pure magnesium, pure aluminum, pure titanium, pure iron, pure cobalt, pure nickel, or pure copper.
  • the metal layer 33 is formed of nickel, copper, gold, an alloy containing nickel as a main component, an alloy containing copper as a main component, or an alloy containing gold as a main component. The thickness of the metal layer 33 is 5 to 20 ⁇ m.
  • the thickness of the metal layer 33 is 10 ⁇ m.
  • the reaction temperature of the component of the brazing filler metal 31 and the component of the base material 15 is low, or the diffusion of the component of the foil brazing material 31 in the base material 15 is fast.
  • the base material 10 and the base material 15 are heated in a state where the surface 11 of the base material 10 and the metal layer 32 are in contact with each other, and the metal layer 33 and the surface 16 of the base material 15 are in contact with each other.
  • HIP brazing may be applied and other brazing may be applied.
  • the base material 10 component, the metal layer 32 component, and the foil brazing material 31 component diffuse to make the boundary between the base material 10 and the metal layer 32 unclear.
  • the boundary of 31 becomes unclear.
  • the components of the foil brazing material 31, the metal layer 33, and the base material 15 are diffused, so that the boundary between the foil brazing material 31 and the metal layer 33 becomes unclear.
  • the 15 boundaries are blurred.
  • the metal layer 32 functions as a diffusion barrier layer that suppresses the reaction between the base material 10 and the foil brazing material 31 to some extent during brazing.
  • the metal layer 33 functions as a diffusion barrier layer that suppresses the reaction between the base material 15 and the foil brazing material 31 to some extent during brazing. That is, the material of the metal layer 33 is selected according to the material of the base material 15 and the material of the foil brazing material 31.
  • the material of the base material 15 may be different from the material of the base material 10 or may be the same. When the material of the base material 15 and the material of the base material 10 are the same, it is preferable that the material of the metal layer 33 and the material of the metal layer 32 are the same.
  • the laminate 35 may be manufactured by forming the metal layer 32 on the surface 31a of the foil brazing material 31 by electroplating and forming the metal layer 33 on the surface 31b of the foil brazing material 31 by electroplating.
  • the laminate 35 may be manufactured by forming the metal layer 32 on the surface 31a of the brazing material 31 by sputtering and forming the metal layer 33 on the surface 31b of the foil brazing material 31 by sputtering.
  • the laminate 35 may be manufactured by pressing a metal foil to be the metal layer 32 to 31a and pressing the metal foil to be the metal layer 33 to the surface 31b of the foil brazing material 31.
  • the base material 20 when the reaction temperature of the components of the foil brazing material 31 and the base material 25 is low or the diffusion of the components of the foil brazing material 31 in the base material 25 is fast, the base material 20 And a laminated body 35 is used in place of the laminated body 30 when brazing 25 and 25.
  • the base material 25 is made of magnesium alloy, aluminum alloy, titanium alloy, iron alloy, cobalt alloy, nickel alloy, copper alloy, pure magnesium, pure aluminum, pure titanium, pure iron, pure cobalt, pure nickel, or pure copper. ing.
  • the metal layer 32 functions as a diffusion barrier layer that suppresses the reaction between the base material 20 and the foil brazing material 31 to some extent during brazing.
  • the metal layer 33 functions as a diffusion barrier layer that suppresses the reaction between the base material 25 and the foil brazing material 31 during brazing to some extent.
  • the material of the metal layer 33 is selected according to the material of the base material 25 and the material of the foil brazing material 31.
  • the material of the base material 25 may be different from the material of the base material 20 or may be the same. When the material of the base material 25 and the material of the base material 20 are the same, it is preferable that the material of the metal layer 33 and the material of the metal layer 32 are the same.
  • FIG. 9 shows a state before the joining portion (brazing portion) is brazed by the brazing method according to the second modification of the first embodiment.
  • a brazing method according to a second modification of the first embodiment will be described.
  • a plurality of laminated bodies 30 are arranged and brazed between base materials 10 and 15 to be brazed.
  • the plurality of stacked bodies 30 are arranged along the surfaces 11 and 16. According to this modification, since the size of the stacked body 30 can be reduced, the stacked body 30 can be easily manufactured.
  • a plurality of laminated bodies 35 may be disposed between the base materials 10 and 15 so as to be aligned along the surfaces 11 and 16, and brazing may be performed, and the base material 20 may be aligned along the surfaces 21 and 26.
  • a plurality of laminated bodies 30 may be placed between the base materials 20 and 25 so as to be arranged along the surfaces 21 and 26. You may attach
  • FIG. 10 shows a state before brazing of a joint portion (brazing portion) by the brazing method according to the second embodiment of the present invention.
  • the brazing method according to the second embodiment will be described with reference to FIG.
  • a foil brazing material 37 and a metal layer 38 are arranged between the base materials 10 and 15 to be brazed.
  • the metal layer 38 is a metal foil and is not bonded to the foil brazing material 37.
  • the base material 10, the metal layer 38, the brazing filler metal 37, and the base material 15 are arranged in this order, and the surface 11 of the base material 10 and the surface 16 of the base material 15 face each other.
  • the surface 11 is not plated.
  • the material of the brazing filler material 37 is the same as that of the foil brazing material 31.
  • the material of the metal layer 38 is the same as the material of the metal layer 32.
  • the thickness of the foil brazing material 37 is 10 to 200 ⁇ m, and the thickness of the metal layer 38 is 5 to 20 ⁇ m.
  • the thickness of the foil brazing material 37 is 50 ⁇ m, and the thickness of the metal layer 38 is 10 ⁇ m.
  • the metal layer 38 and the foil brazing material 37 are in contact, and the foil brazing material 37 and the surface 16 of the base material 15 are in contact with each other.
  • the base material 10 and the base material 15 are brazed using the foil brazing material 31.
  • HIP brazing may be applied and other brazing may be applied.
  • the components of the base material 10, the metal layer 38, and the foil brazing material 37 diffuse to make the boundary between the base material 10 and the metal layer 38 unclear, and the metal layer 38 and the foil brazing material.
  • the boundary of 37 becomes unclear.
  • the components of the foil brazing material 37 and the base material 15 are diffused, so that the boundary between the foil brazing material 37 and the base material 15 becomes unclear.
  • the reaction temperature of the components of the brazing filler metal 37 and the base material 10 is low or the diffusion of the constituents of the foil brazing material 37 in the base material 10 is fast, the base material 10 and the brazing brazing during brazing are performed. If the reaction of the material 37 is not suppressed to some extent, there is a possibility that a defect or an embrittlement layer leading to a decrease in the mechanical strength of the joint portion may occur.
  • the metal layer 38 functions as a diffusion barrier layer that suppresses the reaction between the base material 10 and the foil brazing material 37 to some extent during brazing. That is, the material of the metal layer 38 is selected according to the material of the base material 10 and the material of the foil brazing material 37.
  • brazing method according to the present embodiment may be applied to the brazing of the base materials 20 and 25 of the second base material sample.
  • the brazing method according to the present embodiment can be performed without depending on the shape and size of the base materials 10 and 20.
  • the brazing method according to the present embodiment does not form a metal layer functioning as a diffusion barrier layer on the base materials 10 and 20 by plating. Therefore, a large plating bath or a large amount of bath liquid for plating the base materials 10 and 20 is used. The cost of is unnecessary. Therefore, the cost (equipment cost and running cost) for providing the diffusion barrier layer is reduced.
  • the step of filling the masking material into the groove portion 22 formed on the surface 21 of the base material 20 and the step of removing the masking material are unnecessary. is there. Since the metal layer 38 is a metal foil, the film thickness of the metal layer 38 can be easily controlled. According to this embodiment, the plating operation, sputtering operation, and crimping operation for the foil brazing material 37 are not necessary. Since the plating operation on the brazing filler metal 37 is unnecessary, masking at the time of plating is also unnecessary.
  • FIG. 11 shows a state before brazing of another joint portion (brazing portion) by the brazing method according to the first modification of the second embodiment.
  • a brazing method according to a first modification of the second embodiment will be described.
  • a metal layer 38, a foil brazing material 37, and a metal layer 39 are disposed between the base materials 20 and 25 to be brazed.
  • the metal layer 39 is a metal foil and is not bonded to the foil brazing material 37.
  • the base material 20, the metal layer 38, the foil brazing material 37, the metal layer 39, and the base material 25 are arranged in this order, and the surface 21 of the base material 20 and the surface 26 of the base material 25 face each other. Surfaces 21 and 26 are not plated.
  • the base material 25 is made of magnesium alloy, aluminum alloy, titanium alloy, iron alloy, cobalt alloy, nickel alloy, copper alloy, pure magnesium, pure aluminum, pure titanium, pure iron, pure cobalt, pure nickel, or pure copper.
  • the metal layer 39 is formed of nickel, copper, gold, an alloy containing nickel as a main component, an alloy containing copper as a main component, or an alloy containing gold as a main component.
  • the thickness of the metal layer 39 is 5 to 20 ⁇ m.
  • the thickness of the metal layer 39 is 10 ⁇ m.
  • the reaction temperature of the component of the brazing filler metal 37 and the component of the base material 25 is low, or the diffusion of the component of the foil brazing material 37 in the base material 25 is fast.
  • the surface 21 of the base material 20 and the metal layer 38 are in contact, the metal layer 38 and the foil brazing material 37 are in contact, the foil brazing material 37 and the metal layer 39 are in contact, and the metal layer 39 and the base material 25.
  • the base material 20 and the base material 25 are brazed using the foil brazing material 37 by heating in a state where the surface 26 is in contact with each other.
  • HIP brazing may be applied and other brazing may be applied.
  • the components of the base material 20, the metal layer 38, and the foil brazing material 37 are diffused so that the boundary between the base material 20 and the metal layer 38 becomes unclear.
  • the boundary of 37 becomes unclear.
  • the metal layer 38 functions as a diffusion barrier layer that suppresses the reaction between the base material 20 and the foil brazing material 37 to some extent during brazing.
  • the metal layer 39 functions as a diffusion barrier layer that suppresses the reaction between the base material 25 and the foil brazing material 37 to some extent during brazing. That is, the material of the metal layer 39 is selected according to the material of the base material 25 and the material of the foil brazing material 37.
  • the material of the base material 25 may be different from the material of the base material 20 or may be the same.
  • the material of the base material 25 and the material of the base material 20 are the same, it is preferable that the material of the metal layer 39 and the material of the metal layer 38 are the same.
  • brazing method according to the present embodiment may be applied to the brazing of the base materials 10 and 15.
  • the brazing method according to this modification even when the material (component) of the metal layer 38 and the material (component) of the metal layer 39 are different, the metal of the material (component) different from each other on both sides of the foil brazing material 37 is used. What is necessary is just to arrange
  • the brazing method according to the present modification is very easy as compared with the case where the laminated body 35 in which the material (component) of the metal layer 32 and the material (component) of the metal layer 33 are different is manufactured by electroplating or sputtering.
  • the brazing method according to the above embodiment can be applied to the manufacture of a rocket engine combustion chamber.
  • the two throat supports 105 are brazed using the brazing method according to the above embodiment, the throat support 105 and the cooling fluid liner 103 are brazed, the structural jacket 101 and the cooling It is possible to braze the fluid liner 103.
  • FIG. 12B is a cross-sectional view of the rocket engine combustion chamber.
  • the base material 20 is the cooling fluid liner 103
  • the groove portion 22 becomes a flow path through which the cooling fluid flows by brazing the base material 25 to the base material 20. Since the components of the rocket engine combustion chamber are large in size, if the brazing method according to the above embodiment is applied, the cost is greatly reduced compared to the case where a metal layer functioning as a diffusion barrier layer is formed on the component by plating. Is done.
  • the joint part according to the comparative example was formed by the brazing method shown in FIG.
  • a gold plating layer 232 functioning as a diffusion barrier layer was formed on the surface 11
  • a nickel plating layer for improving the wettability of the base material 15 was formed on the surface 16.
  • the joint part according to the first embodiment was formed by the brazing method shown in FIG.
  • a nickel plating layer for improving the wettability of the base material 15 was formed on the surface 16 using the brazing filler metal 31 on which the gold plating layer 32 was formed.
  • the result of the tensile test of the joint according to the comparative example and the joint according to the first embodiment will be described. At both the tensile test temperatures of 23 ° C. and 377 ° C., the tensile strength of the joint according to the comparative example and the tensile strength of the joint according to the first embodiment were equal.
  • brazing method and the rocket engine combustion chamber manufacturing method according to the present invention have been described above with reference to the embodiment.
  • the brazing method and the rocket engine combustion chamber manufacturing method according to the present invention are not limited to the above embodiment. It is possible to add a change to the said embodiment or to combine the said embodiment. You may apply the brazing method by this invention to manufacture of products other than a rocket engine combustion chamber.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
PCT/JP2013/054048 2012-02-28 2013-02-19 ろう付方法 Ceased WO2013129192A1 (ja)

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JP2012041047A JP6110072B2 (ja) 2012-02-28 2012-02-28 ろう付方法

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FR3004368B1 (fr) * 2013-04-15 2015-09-25 Aircelle Sa Brasage sans outillage
JP6273175B2 (ja) 2014-07-25 2018-01-31 三菱重工業株式会社 部材接合方法及び部材接合システム
US11779985B1 (en) * 2020-11-15 2023-10-10 Herbert U. Fluhler Fabricating method for low cost liquid fueled rocket engines
JP2023065163A (ja) * 2021-10-27 2023-05-12 インターステラテクノロジズ株式会社 ロケットエンジンの燃焼器及びその製造方法

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JP2001001133A (ja) * 1999-06-16 2001-01-09 Denso Corp ろう付け接合方法
JP2001252760A (ja) * 2000-03-10 2001-09-18 Furukawa Electric Co Ltd:The アルミニウム合金組み立て品の短時間ろう付方法
JP2001300721A (ja) * 2000-04-19 2001-10-30 Denso Corp 異種金属のろう付け方法
JP2004535931A (ja) * 2000-11-08 2004-12-02 コラス・アルミニウム・バルツプロドウクテ・ゲーエムベーハー 低融点の鑞付け製品
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GB2364010B (en) 2000-03-10 2004-07-14 Furukawa Electric Co Ltd A method for brazing aluminum alloy-assembled articles within a short period of time and a filler alloy usable at low temperatures
KR100778205B1 (ko) 2000-11-08 2007-11-22 코루스 알루미늄 발쯔프로두크테 게엠베하 브레이징된 구성요소의 조립체를 제조하는 방법
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JPS6213258A (ja) * 1985-07-10 1987-01-22 Mitsubishi Heavy Ind Ltd 冷却用パネルの接合構造
JP2001001133A (ja) * 1999-06-16 2001-01-09 Denso Corp ろう付け接合方法
JP2001252760A (ja) * 2000-03-10 2001-09-18 Furukawa Electric Co Ltd:The アルミニウム合金組み立て品の短時間ろう付方法
JP2001300721A (ja) * 2000-04-19 2001-10-30 Denso Corp 異種金属のろう付け方法
JP2004535931A (ja) * 2000-11-08 2004-12-02 コラス・アルミニウム・バルツプロドウクテ・ゲーエムベーハー 低融点の鑞付け製品
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JP6110072B2 (ja) 2017-04-05
US9427817B2 (en) 2016-08-30
JP2013176779A (ja) 2013-09-09

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