WO2005030434A1 - Poudre pour flux de brasage fort, composee d'une matiere a base d'aluminium, et procede d'application de cette poudre pour flux de brasage - Google Patents

Poudre pour flux de brasage fort, composee d'une matiere a base d'aluminium, et procede d'application de cette poudre pour flux de brasage Download PDF

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Publication number
WO2005030434A1
WO2005030434A1 PCT/JP2004/014178 JP2004014178W WO2005030434A1 WO 2005030434 A1 WO2005030434 A1 WO 2005030434A1 JP 2004014178 W JP2004014178 W JP 2004014178W WO 2005030434 A1 WO2005030434 A1 WO 2005030434A1
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WIPO (PCT)
Prior art keywords
powder
flux
aluminum
flux powder
brazing
Prior art date
Application number
PCT/JP2004/014178
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English (en)
Japanese (ja)
Inventor
Kazuyoshi Honda
Satoru Saitoh
Original Assignee
Jemco Inc.
Mitsubishi Materials Corporation
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Publication date
Application filed by Jemco Inc., Mitsubishi Materials Corporation filed Critical Jemco Inc.
Publication of WO2005030434A1 publication Critical patent/WO2005030434A1/fr

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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
    • 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
    • B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
    • B23K35/3601—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
    • B23K35/3603—Halide salts
    • B23K35/3605—Fluorides
    • 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
    • B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
    • B23K35/362—Selection of compositions of fluxes
    • 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
    • B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
    • B23K35/365—Selection of non-metallic compositions of coating materials either alone or conjoint with selection of soldering or welding materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy

Definitions

  • Flux powder for brazing aluminum-based material and method of applying this flux powder is
  • the present invention relates to a flux powder suitable for brazing an aluminum-based material containing magnesium and a coating method using the flux powder.
  • Non-corrosive flux consisting of potassium fluoroaluminate
  • Non-corrosive flux consisting of potassium fluoroaluminate
  • This KF-A1F flux is used in the molten state of KA1F, the main component.
  • the aluminum-based material containing magnesium (Mg), which has excellent strength and corrosion resistance, is designed to reduce the weight of the member. Use is being considered.
  • the KF-A1F-based flux is used for brazing aluminum-based materials containing Mg.
  • the oxide film on the surface of the aluminum-based material is not sufficiently removed.
  • brazing to an aluminum-containing material containing Mg must be performed by applying about 5 times the amount of application to an aluminum-based material without containing Mg.
  • Patent Document 1 JP-A-60-184490 (Claims (1), page 3, upper left column, line 15, upper right column, second line)
  • Patent Document 2 JP-A-61-162295 (Claims)
  • An object of the present invention is to provide a brazing method for brazing an aluminum-based material containing Mg, which has good spreadability, is non-corrosive, has excellent safety, and is relatively inexpensive and economically excellent.
  • An object of the present invention is to provide a flux powder for brazing an aluminum-based material that can be used for general purposes and a method for applying the flux powder.
  • the first embodiment of the present invention relates to a method in which KA1F, KA1F, KA1F
  • the molar ratio of A1 is 1.00-1.20 and the molar ratio of FZA1 is 3.80-4.10.
  • the folding peak intensity is less than 12% of the maximum peak intensity by KA1F.
  • the K A1F when the powder is subjected to X-ray diffraction analysis within the range of the molar ratio of K / A1 of 1.00-1.20 and the molar ratio of F / A1 of 3.804.10. ⁇ 2 ⁇ force 4deg by ⁇ ⁇
  • composition and crystallinity of K A1F ⁇ ⁇ ⁇ are sufficiently formed and grown as specified below.
  • the flux powder defined as above increases the fluidity and spreadability at the time of melting compared to the conventional flux powder and reduces the oxide film on the material surface when brazing the Mg-containing aluminum-based material.
  • the coating amount can be greatly reduced compared to the case where a conventional flux powder is used for an Mg-containing aluminum-based material, and good brazing can be performed.
  • it is non-corrosive and excellent in safety, relatively inexpensive and economical, and can be widely used for general purposes.
  • the flux powder has a K / A1 molar ratio of 1.05-1.15 and an FZA1 molar ratio of 4.00- 4. It may be in the range of 10.
  • the flux powder has a melting peak height of 560 ° C detected in a temperature range of 550 ° C to 560 ° C when the powder is subjected to Differential Thermal Analysis (hereinafter, referred to as DTA analysis). It may be higher than the melting peak height detected in the temperature range above C.
  • DTA analysis Differential Thermal Analysis
  • the melting peak height detected in the temperature range of 550 ° C to 560 ° C is higher than the melting peak height detected in the temperature range exceeding 560 ° C. If so, the composition and crystallinity of K A1F ⁇ ⁇ ⁇ should not be sufficiently formed and grown.
  • the flux powder may have a content of fine powder having a particle size of 10 m or less of 17 to 33% by weight, and the powder may have a 200 mesh sieve transmittance force of 0% or more.
  • the flux powder may have a content of fine powder having a particle size of 10 m or less of 19 to 28% by weight and a powder having a 200 mesh sieve transmittance of 50% or more! .
  • the flux powder may have a content of fine powder having a particle diameter of 10 ⁇ m or less of 25% by weight or more.
  • Another embodiment of the present invention is a method for applying a flux powder, wherein the flux powder is applied to a brazing position of an aluminum-based material by electrostatic coating.
  • the washing step and the drying step before and after the coating step, which are performed in the conventional wet coating, are not required, so that the brazing step can be simplified.
  • the flux powder of the present invention contains KA1F, KA1F, KA1F.HO and KA1F in the powder.
  • Its characteristic composition is that the composition of the powder has a molar ratio of KZA1 of 1.00-1.20 and a molar ratio of FZA1 of 3.80-4.10. The maximum force existing between 2 ° and 4 ° —45 ° due to ⁇ deg
  • the diffraction peak intensity is less than 12% of the maximum peak intensity by KA1F.
  • the flux powder defined in this manner has a sufficient composition and crystallinity of K A1F ⁇ ⁇ ⁇ It is controlled so that it does not grow and grow, so that when brazing aluminum-based materials with a Mg content of 0.1% by weight to 1.0% by weight, the fluidity and spread when melting compared to conventional flux powders The coating performance is improved, and the oxide film on the material surface is also excellently removed. The coating amount is significantly reduced for Mg-containing aluminum-based materials compared to the case where conventional flux powder is used. You can get brazing. Moreover, it is non-corrosive and excellent in safety, and is relatively inexpensive and economically excellent, and can be widely used for general purposes.
  • FIG. 1 is a flow chart showing a method for producing a flux powder according to the present invention.
  • FIG. 2 is a diagram showing a DTA curve of No. 1 sample.
  • FIG. 3 is a view showing a DTA curve of No. 2 sample.
  • FIG. 4 is a diagram showing a DTA curve of No. 19 sample.
  • FIG. 5 is a graph showing the relationship between the molar ratio of KZA1 and the relative strength in Samples No. 1 to No. 23.
  • FIG. 6 is a graph showing the relationship between the molar ratio of KZA1 and the spreading property in Samples No. 1 to No. 23.
  • FIG. 7 is a diagram showing the relationship between relative intensity and spreadability in Samples No. 1 to No. 23.
  • FIG. 8 is a graph showing the relationship between the content of fine powder having a particle size of 10 m or less and the transmittance of a 200 mesh sieve in a No. 24-No. 42 flux powder sample.
  • FIG. 9 is a diagram showing the particle size distribution of the No. 24, No. 29, No. 30, and No. 40 flux powder samples.
  • FIG. 10 is a graph showing the relationship between the particle size distribution of a No. 24-No. 42 flux powder sample and the amount of flux applied to an aluminum plate.
  • FIG. 11 is a graph showing the relationship between the particle size distribution of No. 24-No. 42 flux powder samples and the amount of flux applied per lm 2 .
  • the obtained reaction product is subjected to a filtration and washing step, a step of drying the flux powder, and a particle size distribution and particle shape of the powder, as shown in (d) to (f) in Fig. 1, respectively. It is commercialized through the process of controlling
  • the obtained flux powder is subjected to K A1F ⁇ ⁇ by a wet reaction represented by the formula (6).
  • the present inventors have found that in brazing an Mg-containing aluminum-based material, it is possible to improve the fluidity of the flux during melting and suppress the reaction between Mg and the flux on the surface of the Mg-containing aluminum-based material.
  • a flux that can be used to braze the contained aluminum-based material.
  • the composition of the reaction product obtained by the production method shown in (a)-(c) in Fig. 1 is calculated as K / A1 mono kttl. 1.20, F / A1 mono ktt3.
  • the composition and crystal of K A1F ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ which are factors that reduce the fluidity of flux by specifying within the range of 80 to 4.10
  • the crystallinity is controlled so as not to form and grow sufficiently, and K A1F
  • the flux powder having such a composition has an increased fluidity and spreadability upon melting, and is not only excellent in removing an oxidized film on the surface of the material, but also has an excellent effect on the exchange of Mg and flux on the surface of the aluminum-based material. Good brazing while suppressing the reaction It has been found that dispersibility can be obtained.
  • the flux powder of the present invention contains KA1F, KA1F, KA1F.HO and KA1F in the powder.
  • Its characteristic composition is that the composition of the powder has a molar ratio of KZA1 of 1.00-1.20 and a molar ratio of FZA1 of 3.80-4.10. The maximum force existing between 2 ° and 4 ° —45 ° due to ⁇ deg
  • the diffraction peak intensity is less than 12% of the maximum peak intensity by KA1F.
  • the maximum diffraction peak intensity to 12% or less of the maximum peak intensity by KA1F.
  • the flux powder specified in this manner increases the fluidity and spreadability during melting when brazing an Mg-containing aluminum-based material compared to conventional flux powder, and removes the oxide film on the material surface.
  • the coating amount can be greatly reduced compared to the case where the conventional flux powder is used for the Mg-containing aluminum-based material, and good brazing can be obtained.
  • it is non-corrosive and excellent in safety, relatively inexpensive and economical, and can be widely used for general purposes.
  • the flux powder of the present invention is a flux powder used for brazing an aluminum-based material having a Mg content of 0.1% by weight to 1.0% by weight, and particularly an aluminum powder having a Mg content exceeding 0.5% by weight. It is suitable for use as a system material.
  • the composition of the powder is in the range of KZA1 molar ratio 1.00-1.20, FZA1 molar ratio 3.80-4.10, preferably KZA1 molar ratio 1.05-1.15, FZA1 molar ratio 4.00. —4. In the range of 10. X-ray diffraction analysis of K A1F ⁇ ⁇ 2 at 2 4 force 4deg—
  • the maximum diffraction peak intensity existing during 45 deg is the maximum peak intensity of KA1F.
  • the flux powder of the present invention has a melting peak height detected in a temperature range of 550 ° C to 560 ° C when the powder is subjected to DTA analysis, and a melting peak height detected in a temperature range exceeding 560 ° C. It is defined to be higher than the peak height.
  • 550 ° C Melting peak height at 560 ° C If the melting peak height is higher than the temperature range above 560 ° C, the composition of K A1F
  • the content of the fine powder having a particle size of 10 m or less is 17 to 33% by weight, and the powder has a 200 mesh sieve transmittance force of 0% or more. It is preferable that By adjusting the flux powder within the above range, high paintability can be obtained without the flux powder adhering to the pipes or nozzles of the electrostatic coating device or causing blockage. This is because the properties of the flux powder of the present invention are different from those of the conventional flux fine powder containing a large amount of columnar particles, so that even if the content of the fine powder having a particle size of 10 m or less is increased, the sieve transmittance and the like are increased. This is because the powder fluidity does not decrease.
  • the content of the fine powder having a particle size of 10 m or less is less than the lower limit, if the amount applied to the Mg-containing aluminum material exceeds the upper limit that is not practically sufficient, it will adhere to the piping and nozzles of the electrostatic coating equipment. Or may cause blockage. Among them, it is particularly preferable to carry out electrostatic coating using a flux powder having a content of fine powder having a particle size of 10 m or less of 19 to 28% by weight and a transmittance of a 200 mesh sieve of 50% or more. .
  • the content of the fine powder having a particle size of 10 m or less is preferably 25% by weight or more.
  • the flux powder of the present invention makes it difficult to braze in the past and barely carried out by applying a large amount of flux to achieve an aluminum content of 0.1 wt%-1.0 wt%.
  • Brazing Strength of Pummeled Material It is possible to reduce the amount to be applied to an aluminum-based material to almost the same amount without containing Mg, and to achieve good brazing property.
  • the flux powder of the present invention preferably a fine powder having a particle size of 10 ⁇ m or less and having a content of 20% by weight or more, is dispersed and dispersed in a solvent.
  • Good coating can be performed by adjusting the liquid and applying the dispersion to the brazing position of the Mg-containing aluminum-based material by wet coating.
  • Flux powder with a content of fine powder with a particle size of 10 m or less with a content of 20% by weight or more has low sedimentation in a solvent and is suitable for application with a slurry in which such flux powder is dispersed. Excellent adhesion to brazing surface.
  • the flux powder is dispersed in water. It is common to apply about 5 to 10 g / m 2 to the material to be coated by spraying or dipping using a slurry. In this wet coating, the material is coated before coating. A solvent washing process for the material, a drying process after coating, and a drying facility are required. In this wet coating, the performance of brazing Mg-containing aluminum-based materials cannot be demonstrated, as the amount of moisture brought into the furnace for brazing may increase.
  • the flux powder of the present invention is used, and dry flux powder is applied by an electrostatic coating method to perform dry coating.
  • the content of fine powder having a particle size of 10 / zm or less is 17 to 33% by weight, preferably 20 to 25% by weight, and the powder has a 200 mesh sieve permeability of 0% or more.
  • the obtained flux powder is suitable. Flux powder with a content of fine powder with a particle size of 10 / zm or less of 17-33% by weight and a powder power of 200 mesh sieve permeability of 0% or more is required for dispersibility required for powder dispersion. And has fluidity.
  • the washing step and the drying step before and after the coating step performed in the conventional wet coating are not required, so that the brazing step can be simplified. Therefore, it is advantageous in terms of cost, and a greater economic effect can be produced by combining the flux powder of the present invention with the coating method using the flux powder of the present invention.
  • Fig. 2 shows a DTA curve obtained by DTA analysis of one sample
  • Fig. 3 shows a DTA curve obtained by DTA analysis of No. 2 sample.
  • each of the No. 1 and No. 2 sampnoles 550 o C-560 Melting peak height force detected in the temperature range of ° C
  • the melting peak height is higher than the melting peak height detected in the temperature range exceeding 560 ° C, and the composition and crystallinity of K A1F
  • an aluminum-based material A having a Mg content of 0.8% by weight was prepared.
  • 2 mg of the sample was applied to the surface of the material A, placed in an atmosphere furnace maintained at 600 ° C, and held for about 6 minutes. After heating, the material was taken out of the atmosphere furnace, and the spreadability of the sample melted on the material surface was measured.
  • Table 1 shows the spreadability test results for aluminum material A.
  • Fig. 5 shows the relationship between the KZA1 molar ratio and the relative strength
  • Fig. 6 shows the relationship between the KZA1 molar ratio and the broadening property
  • Fig. 6 shows the relationship between the relative strength and the spreading property.
  • Figure 7 shows each of them.
  • the spreadability was measured in the same manner as in Example 1 except that flux powder samples No. 6 to No. 23 having the composition ratios shown in Table 1 below were used.
  • the samples No. 6, No. 7, No. 9, No. 11, No. 14, No. 16—No. 20, No. 22 and No. 23 used were KZA1 mole ratio, FZA1 mole.
  • the ratio and relative strength are out of the range of the present invention, respectively, and the samples of No. 8, No. 10 and No. 12 have the KZAl molar ratio and the relative strength out of the range of the present invention, and No. 13 and No.
  • the KZAl molar ratio and the FZA1 molar ratio were out of the range of the present invention, and in the No. 21 sample, the FZA1 molar ratio was out of the range of the present invention.
  • FIG. 4 shows a DTA curve diagram obtained by subjecting the No. 19 sample to DTA analysis.
  • the No. 19 sample has a melting peak height detected in a temperature range of 550 ° C to 560 ° C, and a melting peak height detected in a temperature range exceeding 560 ° C. And the composition and crystallinity of K A1F ⁇ ⁇ ⁇ are sufficiently formed and grown.
  • the flux powder samples manufactured in Example 1 were manufactured up to No. 24 to No. 42.
  • the content of these flux powder samples following fine powder particle size 10 m is 11. 6 33.8 weight 0/0, 200 mesh sieve permeability of powder 0% 84. - which were prepared in 37% It is.
  • the following electrostatic coating test was performed using the manufactured No. 24-No. 42 flux powder sample.
  • a 5% by weight aluminum plate, a dried 250 ml polystyrene wide-mouth container, and 10.0 g of the above flux powder sample were prepared.
  • the entire surface of the aluminum lithographic plate was washed with acetone, and the washed aluminum plate was dried at 100 ° C. for 30 minutes, and the weight was measured.
  • 10.0 g of the flux powder sample was placed in the dried polystyrene wide-mouthed container, and the wide-mouthed container was sealed with a polypropylene lid, and the sealed wide-mouthed container was stirred for 2 minutes with a shaker to obtain the wide-mouthed container.
  • the flux powder sample inside was charged.
  • Table 2 below shows the particle size distribution, the cumulative weight at the particle size, and the results of the electrostatic coating test of the No. 24 to No. 42 flux powder samples.
  • Fig. 8 shows the relationship between the content of fine powder having a particle size of 10 ⁇ m or less and the transmittance of a 200 mesh sieve in each flux powder sample
  • Fig. 9 shows No. 24, No. 29, No. 30, and No. 40 the particle size distribution of the flux powder samples
  • each flux powder sample in Figure 10 the flux powder sample application amount of relationship to particle size distribution and aluminum plates of each flux powder sample in Figure 11 particle size distributions and lm 2 per The relationship between the applied amounts of the flux powder sample is shown.
  • the content of fine powder having a particle size of 10 ⁇ m or less and the 200-mesh sieve permeability have a correlation, and the smaller the fine powder content, the higher the sieve permeability and the finer the sieve permeability. It can be seen that the sieve transmittance decreases as the fine powder content increases. From this relationship, it can be seen that the higher the proportion of the fine powder, the easier the clogging becomes.
  • the flux coating amount has been performed in 4 one 10 g / m 2 of within range, low to remove the oxide formed on the aluminum material surface layer Kutomo It is considered that a flux of 4 gZm 2 or more needs to be applied. Therefore, 0.5 4-0. 5 wt 0/0 Mg-containing fluxes powder sample application amount of aluminum flat sided 20cm 2 (40mm X 50mm) is 4g / m 2 or more, the amount of deposition of an aluminum flat sided Those of 17 mg or more were regarded as acceptance criteria in the electrostatic coating test.
  • the reason is considered to be that if there are many large particles exceeding 10 ⁇ m in diameter, the aluminum surface force tends to fall off, and the rate of adhesion to the aluminum flat plate decreases, so that a sufficient coating amount cannot be secured.
  • the conventional flux powder had a disadvantage that the sieve transmittance and the powder fluidity were reduced when the content of particles having a small particle size was increased. Since the particle shape is different from that of the fine powder containing a large amount of fine powder, even if the content of the fine powder having a particle size of 10 ⁇ m or less increases, the sieve transmittance and the powder fluidity do not decrease.
  • No. 24—No. 42 flux powder samples were applied to aluminum using an electrostatic coating device, pipes and pipes were used for No. 40 and No.
  • the flux powder of the present invention can be applied not only to brazing of an Mg-containing aluminum material, but also to brazing of an aluminum material containing no Mg.

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  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
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  • Powder Metallurgy (AREA)

Abstract

La présente invention concerne une poudre perfectionnée pour flux de brasage fort, composée d'une matière à base d'aluminium comportant KAlF4, K 2AlF5 H2O et K3AlF6, dans laquelle Mg est contenu de manière à représenter une teneur comprise entre 0,1 et 1,0 % en poids. Dans la composition de cette poudre pour flux de brasage, le rapport molaire de K/Al est compris entre 1,00 et 1,20 tandis que le rapport molaire de F/Al est compris entre 3,80 et 4,10. Dans la diffractométrie aux rayons X de cette poudre, l'intensité du pic de diffraction, dans lequel 2υ attribué à K2AlF5 H2O se situe entre 44° et 45°, n'est pas supérieure à 12 % de l'intensité du pic maximum attribuée à KAlF4.
PCT/JP2004/014178 2003-09-29 2004-09-28 Poudre pour flux de brasage fort, composee d'une matiere a base d'aluminium, et procede d'application de cette poudre pour flux de brasage WO2005030434A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2003337120 2003-09-29
JP2003-337120 2003-09-29
JP2004270635A JP4845360B2 (ja) 2003-09-29 2004-09-17 アルミニウム系材料のろう付け用フラックス粉末及び該フラックス粉末の塗工方法
JP2004-270635 2004-09-17

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006104007A1 (fr) * 2005-03-25 2006-10-05 Jemco Inc. Flux en poudre destine au brasage de materiaux en aluminium et procede de production du flux en poudre
CN102862006A (zh) * 2012-10-18 2013-01-09 浙江亚通焊材有限公司 一种铝合金钎剂纳米粉的制备方法
WO2014038361A1 (fr) * 2012-09-04 2014-03-13 株式会社神戸製鋼所 Matériau composite d'aluminium, échangeur de chaleur, et flux
WO2020126090A1 (fr) * 2018-12-20 2020-06-25 Solvay Sa Flux de brasage, composition de flux de brasage et procédé de fabrication

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Publication number Priority date Publication date Assignee Title
JP5921994B2 (ja) 2011-10-26 2016-05-24 株式会社神戸製鋼所 フラックス組成物及びブレージングシート
US20190099845A1 (en) * 2017-10-04 2019-04-04 Honeywell International Inc. Low melting point potassium aluminum fluoride flux agent

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JPS58202996A (ja) * 1982-05-21 1983-11-26 Hitachi Ltd ろう付方法
JPH04361895A (ja) * 1991-06-05 1992-12-15 Tohkem Prod:Kk アルミニウムろう付け用フラックスの製造方法
JP2003512179A (ja) * 1999-10-25 2003-04-02 ゾルファイ フルーオル ウント デリヴァーテ ゲゼルシャフト ミット ベシュレンクテル ハフツング 乾式適用のためのフラックス

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JP3749136B2 (ja) * 2001-03-15 2006-02-22 株式会社神戸製鋼所 非腐食性フラックスろう付け用アルミニウム合金製ブレージングシート及びろう付け方法

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Publication number Priority date Publication date Assignee Title
JPS58202996A (ja) * 1982-05-21 1983-11-26 Hitachi Ltd ろう付方法
JPH04361895A (ja) * 1991-06-05 1992-12-15 Tohkem Prod:Kk アルミニウムろう付け用フラックスの製造方法
JP2003512179A (ja) * 1999-10-25 2003-04-02 ゾルファイ フルーオル ウント デリヴァーテ ゲゼルシャフト ミット ベシュレンクテル ハフツング 乾式適用のためのフラックス

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006104007A1 (fr) * 2005-03-25 2006-10-05 Jemco Inc. Flux en poudre destine au brasage de materiaux en aluminium et procede de production du flux en poudre
EP1862251A1 (fr) * 2005-03-25 2007-12-05 Jemco Inc. Flux en poudre destine au brasage de materiaux en aluminium et procede de production du flux en poudre
JPWO2006104007A1 (ja) * 2005-03-25 2008-09-04 株式会社ジェムコ アルミニウム系材料のろう付け用フラックス粉末及び該フラックス粉末の製造方法
EP1862251A4 (fr) * 2005-03-25 2009-07-29 Jemco Inc Flux en poudre destine au brasage de materiaux en aluminium et procede de production du flux en poudre
JP4676489B2 (ja) * 2005-03-25 2011-04-27 三菱マテリアル電子化成株式会社 アルミニウム系材料のろう付け用フラックス粉末及び該フラックス粉末の製造方法
WO2014038361A1 (fr) * 2012-09-04 2014-03-13 株式会社神戸製鋼所 Matériau composite d'aluminium, échangeur de chaleur, et flux
JP2014050846A (ja) * 2012-09-04 2014-03-20 Kobe Steel Ltd アルミニウム複合材、熱交換器及びフラックス
CN102862006A (zh) * 2012-10-18 2013-01-09 浙江亚通焊材有限公司 一种铝合金钎剂纳米粉的制备方法
WO2020126090A1 (fr) * 2018-12-20 2020-06-25 Solvay Sa Flux de brasage, composition de flux de brasage et procédé de fabrication
CN113242778A (zh) * 2018-12-20 2021-08-10 索尔维公司 钎焊焊剂、钎焊焊剂组合物及制造方法

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