KR20020039149A - Composite of brazing material - Google Patents

Composite of brazing material Download PDF

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Publication number
KR20020039149A
KR20020039149A KR1020000069062A KR20000069062A KR20020039149A KR 20020039149 A KR20020039149 A KR 20020039149A KR 1020000069062 A KR1020000069062 A KR 1020000069062A KR 20000069062 A KR20000069062 A KR 20000069062A KR 20020039149 A KR20020039149 A KR 20020039149A
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South Korea
Prior art keywords
brazing material
brazing
powder
powders
composition
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KR1020000069062A
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Korean (ko)
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지용준
김기홍
김재호
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신영주
한라공조주식회사
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Priority to KR1020000069062A priority Critical patent/KR20020039149A/en
Publication of KR20020039149A publication Critical patent/KR20020039149A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
    • B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering, brazing
    • B23K35/0244—Powders, particles or spheres; Preforms made therefrom
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/08—Non-ferrous metals or alloys
    • B23K2103/10—Aluminium or alloys thereof

Abstract

PURPOSE: A composition for a brazing material is provided which obtains superior formability, corrosion resistance and brazing property. CONSTITUTION: The composition for a brazing material comprises a principal raw material of Al-Si brazing material powder; and a certain amount of mixture of one or more powders selected from the group consisting of Al, Zn, Al-Zn, Al-Cu, Al-Si-Cu, Al-Si-Cu-Zn and Al-Cu-Zn brazing material powders, wherein chloride or fluoride based flux is coated on or further mixed to the brazing material powders, the Al-Si brazing material powder is contained in the composition in a larger amount than other brazing material powders, 50 wt.% or more of the Al-Si brazing material powder are contained in the composition. The composition for a brazing material comprises a principal raw material of Al-Si-Cu brazing material powder; and a certain amount of mixture of one or more powders selected from the group consisting of Al, Zn, Al-Zn, Al-Cu, Al-Si-Cu-Zn and Al-Cu-Zn brazing material powders.

Description

브래이징재 조성물{COMPOSITE OF BRAZING MATERIAL}Brazing material composition {COMPOSITE OF BRAZING MATERIAL}

본 발명은 브래이징재 조성물에 관한 것으로서, 특히 가공성 및 브래이징 성능이 우수할 뿐만 아니라 내부식성도 우수한 브래이징재 조성물에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a brazing material composition, and more particularly, to a brazing material composition having excellent processability and brazing performance as well as excellent corrosion resistance.

알루미늄(이하, 알루미늄 합금을 포함하는 의미로 사용된다)은 가볍고, 비교적 강도가 높으며, 열전도성이 다른 금속에 비하여 현저하게 뛰어나 열교환성능이 우수할 뿐만 아니라 가공성이 우수하다는 장점으로 인하여 예컨대 자동차용 공기조화장치를 구성하는 열교환기의 중요한 소재로 사용되고 있다.Aluminum (hereinafter referred to as containing aluminum alloys) is light, relatively high in strength, and has significantly higher thermal conductivity than other metals, and thus has excellent heat exchange performance and excellent workability. It is used as an important material for heat exchangers constituting the conditioner.

예컨대 열교환기를 제조할 경우 통상적으로 알루미늄 브레이징 시트를 성형하여 이루어진 알루미늄 부품들을 모두 조립 또는 적층하여 고정함으로써 알루미늄 부품 어셈블리를 만들고, 이 알루미늄 부품 어셈블리를 노(爐)에 넣어 소정온도로 가열하는 브레이징 공정을 통하여 알루미늄 부품들을 서로 접합함으로써 열교환기를 제조하게 된다.For example, when manufacturing a heat exchanger, an aluminum part assembly is generally manufactured by assembling or laminating and fixing all aluminum parts formed by molding an aluminum brazing sheet, and placing the aluminum part assembly in a furnace to heat to a predetermined temperature. The heat exchanger is manufactured by joining aluminum parts together.

알루미늄 부품들이 브래이징에 의하여 잘 접합될 수 있도록 하기 위하여 통상적으로 알루미늄보다 융점이 낮은 브레이징재를 선재 또는 링 형태로 만들거나, 알루미늄 모재에 브래이징재를 압연에 의하여 클래딩처리하거나 또는 분말의 형태로 만들어 이를 알루미늄 부품들의 접합부에 피복 또는 결합하여 브레이징함으로써 알루미늄 부품들을 서로 접합한다. 이러한 브레이징재로는 Al-Si합금을 주재로 하여 이루어진 것이 주로 사용되지만 브레이징시에는 모재의 표면에 형성되는 산화피막, 즉 산화알루미늄(Al2O3)막이 생성되어 브레이징재의 유동성을 방해하기 때문에 미접합부위가 발생하기 쉽고 또 접합상태도 양호하지 못하다.In order to ensure that the aluminum parts can be joined well by brazing, a brazing material having a lower melting point than aluminum is usually formed in the form of a wire or a ring, or a brazing material is rolled into the aluminum base material by rolling or cladding in powder form. The aluminum parts are joined together by brazing by coating or bonding them to the joints of the aluminum parts. Such brazing materials are mainly composed of Al-Si alloys, but during brazing, an oxide film formed on the surface of the base material, that is, an aluminum oxide (Al 2 O 3 ) film is formed, which hinders fluidity of the brazing material. Bonding site is easy to occur and bonding state is not good.

따라서, 비산화분위기를 조성하여 대기중에서도 산소와 모재와의 접촉을 차단하여 산화알루미늄막의 생성을 막을 수 있도록 접합부에 플럭스를 공급하여 브레이징하게 되는데, 플럭스 도포 공정을 생략하기 위하여 비부식성 불화물계 플럭스와, Al-Si, Al-Si-Cu, Al-Si-Cu-Zn 등의 소재를 혼합하여 브래이징재를 얻고자 하는 시도들이 행해지고 있다. 특히 이러한 혼합 브래이징재들은 압출에 의하여 선재 또는 링재로 가공하여 많이 사용하고 있으며, 경우에 따라서는 파이프 형태로 압출한 후 절단하여 사용하는 경우도 있다.Therefore, by forming a non-oxidizing atmosphere to block the contact between oxygen and the base material in the air to supply the flux to the joint to prevent the formation of the aluminum oxide film, and to braze the non-corrosive fluoride-based flux to omit the flux coating process Attempts have been made to obtain brazing materials by mixing materials such as Al-Si, Al-Si-Cu, and Al-Si-Cu-Zn. In particular, such mixed brazing materials are processed into wire or ring materials by extrusion, and are often used. In some cases, the mixed brazing materials may be used after being extruded in a pipe form and then cut.

그러나, Al-Si로 이루어진 브래이징재의 경우에는 융점이 577∼582℃ 정도이고 추천되는 브래이징 온도는 582∼604℃ 범위이지만, 융점이 비교적 낮은 Mg가 함유된 알루미늄 소재의 용접이나 중량이 비교적 많이 나가는 부품 등에는 특별한 용접관리가 필요한 이외에 많은 문제점을 가지고 있다.However, in the case of the Al-Si brazing material, the melting point is about 577 to 582 ° C and the recommended brazing temperature is in the range of 582 to 604 ° C. However, the welding or weight of aluminum material containing relatively low melting point Mg is relatively high. Outgoing parts have many problems in addition to requiring special welding management.

그리고, Al-Si-Cu로 이루어진 브래이징의 경우에는 융점이 521∼585℃ 범위이고 추천되는 브래이징 온도는 582∼604℃ 범위이기 때문에 브래이징재가 녹기 시작하는 고상선 온도가 Al-Si로 이루어진 브래이징재의 경우보다 많이 낮아지므로 유동성이 향상되어 브래이징성능이 향상되지만 예컨대 선재 등으로 만들 때 가공성이 다소 저하되어 생산성이 떨어지는 문제점이 있다. 또한, 이 브래이징재의 경우에는 Cu 성분이 첨가됨으로써 모재보다 부식전위가 높아지므로 전위차 부식에 의해 모재를 먼저 부식시키게 되므로 모재에 구성이 쉽게 발생하는 문제점이 있다.In the case of the brazing made of Al-Si-Cu, since the melting point is in the range of 521 to 585 ° C and the recommended brazing temperature is in the range of 582 to 604 ° C, the solidus temperature at which the brazing material starts to melt is made of Al-Si. Since the brazing material is much lower than that of the brazing material, the fluidity is improved and the brazing performance is improved. In addition, in the case of this brazing material, since the corrosion potential is higher than that of the base material due to the addition of the Cu component, the base material is first corroded by the potential difference corrosion, so that the composition is easily generated in the base material.

한편, Al-Si-Cu-Zn으로 이루어진 브래이징재의 경우에는 위 브래이징재들보다 융점이 더욱 낮은 516∼560℃ 범위의 융점을 가진다. 따라서, 브래이징 온도도 549∼571℃ 범위로 추천되고 있다. 따라서, 이 브래이징재의 경우에는 부식 측면에서 부식전위를 높이는 원소인 Cu의 첨가와 함께, 부식전위를 낮추는 것으로 알려진 Zn 성분이 동시에 첨가됨으로써 부식전위의 균형을 이룰 수 있어 모재의 부식을 막을 수 있다. 또한, 브래이징 온도가 매우 낮아 Mg 등을 함유한 저융점을 가진 모재를 브래이징 하는데 아주 유리하다. 그러나, 이 Al-Si-Cu-Zn으로 이루어진 브래이징재는 가공성이 매우 나빠 선재 등으로 제조하기가 어려우며, 이에 따라 생산성도 감소된다. 이 때문에 분말 상태 이외의 형태로 성형하여 사용하는 사실상 어렵다.On the other hand, the brazing material made of Al-Si-Cu-Zn has a melting point in the range of 516 ~ 560 ℃ lower melting point than the above brazing materials. Therefore, brazing temperature is also recommended in the range of 549-571 degreeC. Therefore, in the case of this brazing material, the addition of Cu, which is an element that increases the corrosion potential in terms of corrosion, and the addition of Zn component known to lower the corrosion potential can be simultaneously added to balance the corrosion potential, thereby preventing corrosion of the base metal. . In addition, the brazing temperature is very low, which is very advantageous for brazing a base material having a low melting point containing Mg. However, the brazing material made of Al-Si-Cu-Zn is very poor in workability, making it difficult to manufacture a wire rod or the like, thereby reducing the productivity. For this reason, it is virtually difficult to shape | mold and use in the form other than powder state.

본 발명은 상기한 종래 문제점들을 감안하여 안출된 것으로서, 가공성 및 브래이징성능이 우수할 뿐만 아니라 내부식성도 우수한 브래이징재 조성물의 제공을 목적으로 한다.The present invention has been made in view of the above-described conventional problems, and an object of the present invention is to provide a brazing material composition having excellent workability and brazing performance as well as excellent corrosion resistance.

본 발명에 따른 브래이징재 조성물은 2종류 이상의 브래이징재 분말이 일정 비율로 혼합되어 이루어짐으로써 융점, 부식 또는 가공성 등의 문제를 한꺼번에 해결할 수 있다.The brazing material composition according to the present invention can solve problems such as melting point, corrosion or processability at the same time by being made by mixing two or more kinds of brazing material powder in a predetermined ratio.

즉, 본 발명에 따른 브래이징재 조성물은 가공성이 양호한 Al-Si 브래이징재 분말을 주재로 하고, 여기에 Al, Zn, Al-Zn, Al-Cu, Al-Si-Cu, Al-Si-Cu-Zn 또는 Al-Cu-Zn으로 된 브래이징재 분말을 포함하는 군에서 선택된 어느 한 종류 이상의 분말을 일정량 혼합하여 이루어지는 것을 특징으로 한다.That is, the brazing material composition according to the present invention is based on Al-Si brazing material powder having good workability, and includes Al, Zn, Al-Zn, Al-Cu, Al-Si-Cu, and Al-Si-. Characterized by mixing a predetermined amount of at least one type of powder selected from the group comprising a brazing material powder of Cu-Zn or Al-Cu-Zn.

그리고, 주재인 Al-Si 브래이징재 분말은 전체에 대하여 50wt% 이상 함유되거나 주재에 첨가되는 다른 브래이징재 분말보다 각각 더 많은 양이 함유되는 것이 바람직하다. 예컨대, Al-Si 브래이징재 분말 35wt%에 Al-Si-Cu 33wt% 및 Al-Si-Cu-Zn 32wt%가 혼합되어 본 발명에 따른 브래이징재 조성물이 조성될 수 있다.In addition, the Al-Si brazing material powder, which is a main material, is preferably contained in an amount of 50 wt% or more based on the total amount or more than other brazing material powder added to the main material. For example, the Al-Si brazing material powder 35wt% Al-Si-Cu 33wt% and Al-Si-Cu-Zn 32wt% may be mixed to form a brazing material composition according to the present invention.

상기한 바와 같은 조성으로 이루어지는 본 발명에 따른 브래이징재 조성물은 가공성이 우수한 Al-Si 브래이징재 분말을 주재로 하고 있기 때문에 선재나 파이프 등 다양한 형태로 성형하기가 용이하고, 주재에 첨가되는 다른 브래이징재 분말들의 조성에 따라 소정의 온도까지 융점을 저하시킬 수 있으므로 브래이징을 할 때 유동성이 향상되고, 또한 부식특성도 적절하게 조절할 수 있는 이점이 있다.Since the brazing material composition according to the present invention having the composition as described above is mainly made of Al-Si brazing material powder having excellent workability, the brazing material composition is easy to be molded into various forms such as wire or pipe, and is added to the main material. Since the melting point can be lowered to a predetermined temperature according to the composition of the brazing material powders, the fluidity is improved when the brazing is performed, and the corrosion characteristics can be appropriately adjusted.

즉, 가공성에 좋은 영향을 주는 인자는 Al-Si 또는 Al 브래이징재 분말이고, Al-Si-Cu는 보통 정도의 가공을 가지며, Cu 및 Zn은 그 함량이 증가할수록 가공성이 나빠진다. 그리고, 융점의 저하는 Cu 및 Zn의 첨가에 의하여 이루어지며, 융점의 저하에 따라 브래이징시의 유동성이 향상된다. 브래이징성은 융점이 낮을수록 향상되어 안정된 브래이징 조건을 만드는데 유리하다. 따라서, 이러한 특성을 잘 고려하여 브래이징재 분말들의 함량을 결정할 수 있다.That is, the factor which has a good influence on workability is Al-Si or Al brazing material powder, Al-Si-Cu has moderate processing, and Cu and Zn worsen workability as the content increases. And the fall of melting point is made by addition of Cu and Zn, and the fluidity | liquidity at the time of brazing improves with the fall of melting | fusing point. The lower the melting point is, the better the brazing property is to create a stable brazing condition. Therefore, it is possible to determine the content of the brazing material powders in consideration of these properties.

또한, 본 발명에 따른 브래이징재 조성물을 구성하는 브래이징재 분말들의표면에 적절한 방법으로 같은 플럭스를 코팅하거나 브래이징재 분말들에 플럭스를 일정 비율로 혼합한 후 압출이나 다른 성형방법에 의하여 선재 등의 형태로 성형하면 브래이징시 별도의 플럭스 도포작업없이 브래이징을 행할 수 있다. 이 때 사용하는 플럭스의 경우에는 염화물계 또는 불화물계 플럭스를 사용할 수 있지만, 브래이징 성능의 향상을 위하여 LiF, CsF, CsAlF4등의 알칼리 금속 불화물계 플럭스를 사용하는 것이 바람직하다.Further, the same flux may be coated on the surface of the brazing material powders constituting the brazing material composition according to the present invention, or the flux may be mixed with the brazing material powders at a predetermined ratio, and then wired by extrusion or other forming method. Molding in the shape of the back can be performed without brazing flux application during brazing. In this case, chloride or fluoride flux may be used, but alkali metal fluoride fluxes such as LiF, CsF, and CsAlF 4 may be used to improve the brazing performance.

상기한 바와 같이 조성된 브래이징재 조성물을 소정의 형태로 성형하여 두 모재를 브래이징하여 접합할 경우 가장 낮은 융점을 가진 소재부터 먼저 용융되며, 이 용융된 소재가 그 보다 높은 융점을 가진 소재의 용융을 촉진시켜 빨리 용융되게 하며, 그런 다음 이종 소재가 서로 혼합되면서 두 모재 사이로 유동하여 모재의 브래이징이 이루어진다. 한편, 플럭스가 코팅되거나 함유된 브래이징재 조성물을 소정의 형태로 성형하여 브래이징할 경우에는 플럭스가 먼저 녹아 알루미늄산화막을 제거하며, 이어 브래이징재를 구성하는 성분들이 차례로 용융되어 모재의 브래이징이 이루어진다.When the brazing material composition formed as described above is molded into a predetermined form and the two base materials are brazed and joined, the material having the lowest melting point is melted first, and the melted material is formed of a material having a higher melting point. It accelerates the melting to melt quickly, and then the dissimilar materials are mixed with each other and flow between the two substrates to achieve the brazing of the substrate. On the other hand, in the case of forming a braze material composition coated or containing a flux with a predetermined shape and brazing the flux, the flux is melted first to remove the aluminum oxide film, and then the components constituting the braze material are sequentially melted to braze the base material. This is done.

또한, 위와는 다른 예로서, 본 발명에 따른 브래이징재 조성물은 Al-Si-Cu 브래이징재 분말을 주재로 하고, 여기에 Al, Zn, Al-Zn, Al-Cu, Al-Si-Cu-Zn 또는 Al-Cu-Zn으로 된 브래이징재 분말을 포함하는 군에서 선택된 어느 한 종류 이상의 분말을 일정량 혼합하여 이루어질 수 있다. 이 예의 브래이징재 조성물의 경우에도 상술한 예의 브래이징재 조성물과 마찬가지로 Al-Si-Cu 브래이징재 분말을 주재로 함으로써 융점이 낮아 브래이징시의 유동성이 향상되어 브래이징성이 우수하고, 가공성이 우수할 뿐만 아니라 부식특성까지 적절하게 조절할 수 있다. 또한, 이 예의 브래이징재 조성물의 경우에 있어서도 주재에 대한 다른 브래이징재 분말들의 함량비는 전술한 예의 브래이징재 조성물과 마찬가지로 이루어지는 것이 바람직하며, 브래이징재 분말에 플럭스를 코팅하거나 플럭스를 혼합하여 성형하는 것은 위에서 설명한 것과 마찬가지므로 여기서의 설명은 생략한다.In addition, as another example, the brazing material composition according to the present invention is based on Al-Si-Cu brazing material powder, which is Al, Zn, Al-Zn, Al-Cu, Al-Si-Cu -Zn or Al-Cu-Zn may be made by mixing a certain amount of one or more powders selected from the group comprising a brazing material powder of. In the case of the brazing material composition of this example, similarly to the brazing material composition of the above-described example, Al-Si-Cu brazing material powder is mainly used, so that the melting point is low, the fluidity at the time of brazing is improved, and the brazing property is excellent. Not only this is excellent but also the corrosion characteristics can be adjusted appropriately. Also in the case of the brazing material composition of this example, the content ratio of the other brazing material powders to the main body is preferably made in the same manner as the brazing material composition of the above-described example, and the flux is coated on the brazing material powder or the flux is mixed. Molding by forming is the same as described above, so the description thereof is omitted.

상기한 바와 같이 구성된 본 발명에 따른 브래이징재 조성물에 있어서는, 가공성이 좋은 Al-Si 브래이징재 분말 또는 Al-Si-Cu 브래이징재 분말을 주재로 하고, 여기에 융점 및 내부식성 특성에 영향을 주는 Al, Zn, Al-Zn, Al-Cu, Al-Si-Cu, Al-Si-Cu-Zn 또는 Al-Cu-Zn으로 된 브래이징재 분말을 소정 비율 혼합하여 이루어짐으로써, 유동성이 좋아 브래이징 성능을 높일 수 있고, 가공성이 우수하여 각종 선재나 파이프 등의 형태로 만드는 것이 용이할 뿐만 아니라 생산성이 향상되며, 내부식성이 우수하여 브래이징 제품의 내구성을 높일 수 있다.In the brazing material composition according to the present invention configured as described above, Al-Si brazing material powder or Al-Si-Cu brazing material powder having good workability is mainly used, and it affects melting point and corrosion resistance properties. Good fluidity is achieved by mixing a certain proportion of the brazing material powder of Al, Zn, Al-Zn, Al-Cu, Al-Si-Cu, Al-Si-Cu-Zn or Al-Cu-Zn which gives Brazing performance can be improved, and workability is excellent, making it easy to form various wires or pipes, as well as productivity is improved, and excellent corrosion resistance can increase the durability of the brazing product.

한편, 이상에서는 본 발명의 바람직한 실시예에 대하여 도시하고, 또한 설명하였으나, 본 발명은 상기한 실시예에 한정되지 않고, 이하 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 분야에서 통상의 지식을 가진자라면 누구든지 다양한 변형 실시가 가능함은 물론이며, 그와 같은 변형은 청구범위 기재의 범위 내에 있게 된다.On the other hand, while the above has been shown and described with respect to preferred embodiments of the present invention, the present invention is not limited to the above-described embodiment, the field to which the invention belongs without departing from the spirit of the invention claimed in the claims below. Of course, anyone skilled in the art can make various modifications, as well as such modifications are within the scope of the claims.

Claims (5)

Al-Si 브래이징재 분말을 주재로 하고,Based on Al-Si brazing material powder, 여기에 Al, Zn, Al-Zn, Al-Cu, Al-Si-Cu, Al-Si-Cu-Zn 또는 Al-Cu-Zn으로 된 브래이징재 분말을 포함하는 군에서 선택된 어느 한 종류 이상의 분말을 일정량 혼합하여 조성되어 있는 것을 특징으로 하는 브래이징재 조성물.At least one powder selected from the group comprising brazing material powders of Al, Zn, Al-Zn, Al-Cu, Al-Si-Cu, Al-Si-Cu-Zn or Al-Cu-Zn A brazing material composition, characterized in that a predetermined amount by mixing. 제 1 항에 있어서,The method of claim 1, 상기 브래이징재 분말들에 염화물계 또는 불화물계 플럭스가 코팅되거나 더 혼합되어 있는 것을 특징으로 하는 브래이징재 조성물.A brazing material composition, characterized in that the chloride-based or fluoride-based flux is coated or further mixed with the brazing material powders. 제 1 항 또는 제 2에 있어서,The method according to claim 1 or 2, 상기 Al-Si 브래이징재 분말은 다른 브래이징재 분말보다 각각 더 많은 양이 함유되어 있는 것을 특징으로 하는 브래이징재 조성물.The Al-Si brazing material powder is a brazing material composition, characterized in that each contains a larger amount than other brazing material powder. 제 3 항에 있어서,The method of claim 3, wherein 상기 Al-Si 브래이징 분말은 전체에 대하여 50wt% 이상 함유되어 있는 것을 특징으로 하는 브래이징재 조성물.The Al-Si brazing powder is a brazing material composition, characterized in that it contains 50wt% or more of the total. Al-Si-Cu 브래이징재 분말을 주재로 하고,Mainly based on Al-Si-Cu brazing material powder, 여기에 Al, Zn, Al-Zn, Al-Cu, Al-Si-Cu-Zn 또는 Al-Cu-Zn으로 된 브래이징재 분말을 포함하는 군에서 선택된 어느 한 종류 이상의 분말을 일정량 혼합하여 조성되어 있는 것을 특징으로 하는 브래이징재 조성물.It is formed by mixing a predetermined amount of one or more powders selected from the group comprising a brazing material powder of Al, Zn, Al-Zn, Al-Cu, Al-Si-Cu-Zn or Al-Cu-Zn There is a brazing material composition characterized in that.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100972641B1 (en) * 2008-01-18 2010-07-28 주식회사 청천하이테크 Ozone supply apparatus for water and ozone supply method using the same
CN105742934A (en) * 2016-02-29 2016-07-06 中网电力科技有限公司 Copper-aluminum soldering method of copper-aluminum transition wire clip
KR20180113836A (en) * 2017-04-07 2018-10-17 국민대학교산학협력단 Metal composite powder for brazing material, method for manufacturing the same, and brazing material using the same

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03114690A (en) * 1989-09-28 1991-05-15 Showa Alum Corp Composite brazing filler metal
JPH0539994A (en) * 1991-08-06 1993-02-19 Sky Alum Co Ltd Heat exchanger
JPH06170520A (en) * 1992-12-01 1994-06-21 Mitsubishi Alum Co Ltd Heat exchanger and its production

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03114690A (en) * 1989-09-28 1991-05-15 Showa Alum Corp Composite brazing filler metal
JPH0539994A (en) * 1991-08-06 1993-02-19 Sky Alum Co Ltd Heat exchanger
JPH06170520A (en) * 1992-12-01 1994-06-21 Mitsubishi Alum Co Ltd Heat exchanger and its production

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100972641B1 (en) * 2008-01-18 2010-07-28 주식회사 청천하이테크 Ozone supply apparatus for water and ozone supply method using the same
CN105742934A (en) * 2016-02-29 2016-07-06 中网电力科技有限公司 Copper-aluminum soldering method of copper-aluminum transition wire clip
KR20180113836A (en) * 2017-04-07 2018-10-17 국민대학교산학협력단 Metal composite powder for brazing material, method for manufacturing the same, and brazing material using the same

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