JPH0788689A - Composition for brazing - Google Patents
Composition for brazingInfo
- Publication number
- JPH0788689A JPH0788689A JP23472693A JP23472693A JPH0788689A JP H0788689 A JPH0788689 A JP H0788689A JP 23472693 A JP23472693 A JP 23472693A JP 23472693 A JP23472693 A JP 23472693A JP H0788689 A JPH0788689 A JP H0788689A
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- powder
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- weight
- brazing
- aluminum
- Prior art date
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- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Silicon Compounds (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、特にアルミニウム製品
の接合に用いられるろう付用組成物に関するものであ
る。FIELD OF THE INVENTION The present invention relates to a brazing composition used especially for joining aluminum products.
【０００２】[0002]
【発明の背景】アルミニウムやアルミニウム合金（本明
細書では、単に、アルミニウム）製品の接合に、従来よ
りＡｌ−Ｓｉ合金が使用されていることは周知である。
ところで、このＡｌ−Ｓｉ合金からなるろう材を粉末の
形態で使用することが試みられている。例えば、ろう材
粉末、バインダ樹脂、及び溶剤からなるペーストを接合
個所に塗布し、又、フラックスを塗布して、不活性雰囲
気下で加熱してろう付けを行う技術が提案されている。BACKGROUND OF THE INVENTION It is well known that Al-Si alloys have been conventionally used for joining products of aluminum and aluminum alloys (herein simply aluminum).
By the way, it has been attempted to use the brazing material made of this Al—Si alloy in the form of powder. For example, a technique has been proposed in which a paste composed of a brazing filler metal powder, a binder resin, and a solvent is applied to a joining portion, flux is applied, and heating is performed in an inert atmosphere to perform brazing.
【０００３】このろう材粉末は、例えばアルミニウムの
インゴットと珪素ハードナーとをろう材の組成に溶製し
た後、アトマイズ法により粉末化することで得られる。
しかしながら、予め、純金属やハードナーを一度溶かし
て成分調整した後、アトマイズ法により粉末化するの
で、製造コストが高く付いている。This brazing material powder can be obtained, for example, by melting an aluminum ingot and a silicon hardener in the composition of the brazing material and then pulverizing it by an atomizing method.
However, since the pure metal or the hardener is once melted to adjust the components and then powdered by the atomizing method, the manufacturing cost is high.
【０００４】[0004]
【発明の開示】ところで、本発明者は、Ａｌ−Ｓｉ合金
からなるろう材についての研究をしているうちに、Ａｌ
粉末とＳｉ粉末との混合物でも良いのではないかとの啓
示を得るに至った。すなわち、Ａｌの融点は６６０℃で
あり、Ｓｉの融点は１４２０℃であって、これらの混合
物を用いても６００℃近傍の温度ではろう付けが基本的
に不可能と思われていたものの、Ａｌ粉末とＳｉ粉末と
が接触している界面にあっては、ミクロ的にＡｌ−Ｓｉ
合金のような状況が造り出されているのではないかとの
啓示を得るに至ったのである。そこで、Ａｌ粉末表面の
酸化皮膜をフラックスによって破壊し、ここにＳｉ粉末
を接触させてやれば、この接触した界面にあってはＡｌ
−Ｓｉ合金のような状態がミクロ的に造り出されている
ことに相当し、予めＡｌ−Ｓｉ合金を造っておかなくと
も差し支えないであろうと考えたのである。DISCLOSURE OF THE INVENTION By the way, while the present inventor was studying a brazing material made of an Al--Si alloy,
We have reached the revelation that a mixture of powder and Si powder may be used. That is, the melting point of Al is 660 ° C. and the melting point of Si is 1420 ° C. Even if a mixture of these is used, brazing was considered basically impossible at a temperature near 600 ° C. At the interface where the powder and the Si powder are in contact, microscopically Al-Si
It led to the revelation that an alloy-like situation was being created. Therefore, if the oxide film on the surface of the Al powder is destroyed by the flux and the Si powder is brought into contact with the oxide film, Al at the contact interface
This is equivalent to the fact that a state such as -Si alloy is created microscopically, and it was considered that it would not be a problem if the Al-Si alloy was not created in advance.
【０００５】このような知見の基でアルミニウム粉末と
珪素粉末とからなる混合粉末をフラックス存在下で６０
０℃に加熱した処、これは予想以上の好成績が観られた
のである。従って、本発明の目的は、低コストで得られ
るろう付用組成物を提供することである。On the basis of such knowledge, a mixed powder of aluminum powder and silicon powder is added in the presence of flux to 60
When it was heated to 0 ° C, it showed better results than expected. Therefore, it is an object of the present invention to provide a brazing composition which is obtained at low cost.
【０００６】この本発明の目的は、アルミニウム粉末
と、珪素粉末とを含むことを特徴とするろう付用組成物
によって達成される。又、アルミニウム粉末と、珪素粉
末と、アルミニウム−珪素系合金粉末とを含むことを特
徴とするろう付用組成物によって達成される。又、アル
ミニウム粉末と、珪素粉末と、亜鉛粉末とを含むことを
特徴とするろう付用組成物によって達成される。The object of the present invention is achieved by a brazing composition containing aluminum powder and silicon powder. Further, it is achieved by a brazing composition containing aluminum powder, silicon powder, and aluminum-silicon alloy powder. Further, it is achieved by a brazing composition comprising aluminum powder, silicon powder and zinc powder.
【０００７】又、アルミニウム粉末と、珪素粉末と、ア
ルミニウム−珪素系合金粉末と、亜鉛粉末とを含むこと
を特徴とするろう付用組成物によって達成される。又、
上記のろう付用組成物に、更にＴｉ，Ｃｕ，Ｃｒ及びこ
れらの合金の群の中から選ばれる少なくとも一つの粉末
が含まれてなるろう付用組成物によって達成される。Further, it is achieved by a brazing composition containing aluminum powder, silicon powder, aluminum-silicon alloy powder, and zinc powder. or,
The above brazing composition further comprises at least one powder selected from the group consisting of Ti, Cu, Cr and their alloys.
【０００８】尚、上記のろう付用組成物において、アル
ミニウム粉末と珪素粉末との割合は、アルミニウム粉末
１００重量部に対して珪素粉末が５〜４０重量部、より
好ましくは１０〜２０重量部、特に共晶点である１１．
７重量部近傍の割合であることが好ましい。又、アルミ
ニウム粉末は、平均粒径が０．２〜１５０μｍ、そして
珪素粉末は、平均粒径が０．２〜１５０μｍのものであ
ることが好ましい。すなわち、各々の粉末を混ぜ合わせ
た際に、接触面を多くするには微細な方が好ましい訳で
あるが、超微粒子にするのはコストが掛かり、かつ、Ａ
ｌ粉末の場合には酸化膜の割合がそれだけ多くなること
に鑑み、アルミニウム粉末は平均粒径が０．２〜１５０
μｍ、珪素粉末は平均粒径が０．２〜１５０μｍのもの
であることが好ましい。In the above brazing composition, the ratio of the aluminum powder to the silicon powder is 5 to 40 parts by weight, more preferably 10 to 20 parts by weight, based on 100 parts by weight of the aluminum powder. Especially the eutectic point 11.
The ratio is preferably around 7 parts by weight. The aluminum powder preferably has an average particle size of 0.2 to 150 μm, and the silicon powder preferably has an average particle size of 0.2 to 150 μm. That is, it is preferable to use fine particles to increase the contact surface when mixing the powders, but it is costly to use ultrafine particles, and
In view of the fact that in the case of 1 powder, the ratio of the oxide film increases, the aluminum powder has an average particle size of 0.2 to 150.
It is preferable that the average particle size of the silicon powder is 0.2 to 150 μm.
【０００９】又、アルミニウム−珪素系合金粉末が用い
られても良く、この場合にはアルミニウム１００重量部
に対して珪素が５〜１３重量部の割合の合金であること
が好ましい。又、アルミニウム−珪素系合金粉末は、平
均粒径が０．２〜１５０μｍのものであることが好まし
い。特に、粉末混合物中に亜鉛粉末を添加しておくと、
犠牲陽極効果が奏されるのみではなく、昇温過程におい
て融点の低い亜鉛が先ず溶融し、アルミニウム粉末と珪
素粉末との間で濡れが起き易くなり、合金化がスムーズ
に行われるようになったことから、アルミニウム粉末１
００重量部に対して２０重量部以下の亜鉛粉末を添加し
ておくことが好ましかった。尚、亜鉛粉末は、平均粒径
が０．２〜１５０μｍのものであることが好ましい。Further, aluminum-silicon alloy powder may be used. In this case, it is preferable that the alloy contains silicon in an amount of 5 to 13 parts by weight with respect to 100 parts by weight of aluminum. The aluminum-silicon alloy powder preferably has an average particle size of 0.2 to 150 μm. Especially when zinc powder is added to the powder mixture,
Not only the sacrificial anode effect is exhibited, but zinc having a low melting point is first melted during the temperature rising process, the aluminum powder and the silicon powder are easily wetted, and the alloying is smoothly performed. Therefore, aluminum powder 1
It was preferable to add 20 parts by weight or less of zinc powder to 00 parts by weight. The zinc powder preferably has an average particle size of 0.2 to 150 μm.
【００１０】又、Ｔｉ，Ｃｕ，Ｃｒ及びこれらの合金の
群の中から選ばれる粉末の含有量は、アルミニウム粉末
１００重量部に対して１０重量部以下であることが好ま
しかった。尚、Ｔｉ，Ｃｕ，Ｃｒ及びこれらの合金の群
の中から選ばれる粉末は、平均粒径が１〜１００μｍの
ものであることが好ましい。本発明で用いられる粉末の
形状は如何なる形状のものであっても良い。しかしなが
ら、含有酸素量が少なく、フラックス効果が大きいこと
から球形ないしは略球状であることが好ましい。Further, it is preferable that the content of the powder selected from the group of Ti, Cu, Cr and these alloys is 10 parts by weight or less based on 100 parts by weight of the aluminum powder. The powder selected from the group consisting of Ti, Cu, Cr and these alloys preferably has an average particle size of 1 to 100 μm. The powder used in the present invention may have any shape. However, since the oxygen content is small and the flux effect is large, the spherical shape or the substantially spherical shape is preferable.
【００１１】本発明の混合粉末からなるろう付用組成物
を用いてろう付けするに際しては、フラックスを用いる
ことが極めて好ましい。すなわち、フラックスの存在下
で加熱により、アルミニウム粉末表面の酸化膜を破壊
し、これによってＡｌ−Ｓｉ合金化をスムーズに行わせ
る為である。このような観点からすれば、フラックスを
予め混ぜ合わせておいても良く、又、ろう付作業開始に
際して添加するようにしても良い。又、イソプロピルア
ルコールのようなアルコール（溶剤）を用いてスラリー
状のものとして用いても良い。When brazing using the brazing composition comprising the mixed powder of the present invention, it is extremely preferable to use a flux. That is, by heating in the presence of flux, the oxide film on the surface of the aluminum powder is destroyed, and thereby Al-Si alloying is smoothly performed. From this point of view, the flux may be mixed in advance, or may be added at the start of the brazing operation. Alternatively, an alcohol (solvent) such as isopropyl alcohol may be used to form a slurry.
【００１２】使用できるフラックスとしては各種のもの
が用いられる。例えば、ＫＦ−ＡｌＦ3 ，ＲｂＦ−Ａｌ
Ｆ3 といったフッ化物系のフラックスを用いることが出
来る。本発明のろう付用組成物を用いてのろう付温度は
５８０〜６２０℃、時間は３〜１５分、好ましくは５〜
１０分である。Various types of flux can be used. For example, KF-AlF 3, RbF- Al
A fluoride-based flux such as F 3 can be used. The brazing temperature using the brazing composition of the present invention is 580 to 620 ° C., the time is 3 to 15 minutes, preferably 5 to
10 minutes.
【００１３】以下、具体的な実施例を挙げて説明する。A specific example will be described below.
【００１４】[0014]
〔実施例１〕平均粒径４０μｍで、球状のアルミニウム
粉末（純度９９．９％）１００重量部と、平均粒径２０
μｍの珪素粉末（純度９９％）１０重量部とからなるろ
う付用組成物を用意した。Example 1 100 parts by weight of spherical aluminum powder (purity 99.9%) having an average particle size of 40 μm and an average particle size of 20
A brazing composition consisting of 10 parts by weight of a silicon powder of μm (purity 99%) was prepared.
【００１５】そして、この混合粉末１００重量部にフッ
化物系のフラックス（ＫＦ−ＡｌＦ 3 ）を２０重量部混
合し、これをＡｌ部品の接合部に供給し、窒素雰囲気中
で１０分間６００℃に保持し、ろう付けを行った。この
ろう付けによれば、良好なフィレットが形成されてお
り、接合具合は良好であった。Then, 100 parts by weight of this mixed powder is added to the foot.
Compound-based flux (KF-AlF 3) Mixed with 20 parts by weight
And supply it to the joint of Al parts, and in a nitrogen atmosphere.
The temperature was maintained at 600 ° C. for 10 minutes for brazing. this
Brazing shows that a good fillet is formed.
The joining condition was good.
【００１６】〔実施例２〕平均粒径４０μｍで、球状の
アルミニウム粉末（純度９９．９％）１００重量部と、
平均粒径２０μｍの珪素粉末（純度９９％）１４重量部
とからなるろう付用組成物を用意した。そして、この混
合粉末１００重量部にフッ化物系のフラックス（ＫＦ−
ＡｌＦ 3 ）を２０重量部混合し、これをＡｌ部品の接合
部に供給し、窒素雰囲気中で１０分間６００℃に保持
し、ろう付けを行った。Example 2 An average particle size of 40 μm, spherical
100 parts by weight of aluminum powder (purity 99.9%),
14 parts by weight of silicon powder having an average particle size of 20 μm (purity 99%)
A brazing composition consisting of was prepared. And this mixture
Fluoride-based flux (KF-
AlF 3) Is mixed by 20 parts by weight, and this is joined to Al parts.
Supplied to the unit and kept at 600 ° C for 10 minutes in a nitrogen atmosphere
And brazed.
【００１７】このろう付けによれば、良好なフィレット
が形成されており、接合具合は良好であった。 〔実施例３〕平均粒径１０μｍで、球状のアルミニウム
粉末（純度９９．９％）１００重量部と、平均粒径１０
μｍの珪素粉末（純度９９％）１２重量部とからなるろ
う付用組成物を用意した。According to this brazing, a good fillet was formed and the joining condition was good. Example 3 100 parts by weight of spherical aluminum powder (purity 99.9%) having an average particle size of 10 μm and an average particle size of 10
A brazing composition consisting of 12 parts by weight of a silicon powder of μm (purity 99%) was prepared.
【００１８】そして、この混合粉末１００重量部にフッ
化物系のフラックス（ＫＦ−ＡｌＦ 3 ）を２０重量部混
合し、これをＡｌ部品の接合部に供給し、窒素雰囲気中
で１０分間６００℃に保持し、ろう付けを行った。この
ろう付けによれば、良好なフィレットが形成されてお
り、接合具合は良好であった。Then, 100 parts by weight of this mixed powder is added to the foot.
Compound-based flux (KF-AlF 3) Mixed with 20 parts by weight
And supply it to the joint of Al parts, and in a nitrogen atmosphere.
The temperature was maintained at 600 ° C. for 10 minutes for brazing. this
Brazing shows that a good fillet is formed.
The joining condition was good.
【００１９】〔実施例４〕平均粒径１００μｍで、球状
のアルミニウム粉末（純度９９．９％）１００重量部
と、平均粒径８０μｍの珪素粉末（純度９９％）１２重
量部とからなるろう付用組成物を用意した。そして、こ
の混合粉末１００重量部にフッ化物系のフラックス（Ｋ
Ｆ−ＡｌＦ 3 ）を２０重量部混合し、これをＡｌ部品の
接合部に供給し、窒素雰囲気中で１０分間６００℃に保
持し、ろう付けを行った。[Embodiment 4] Average particle diameter of 100 μm, spherical
100 parts by weight of aluminum powder (purity 99.9%)
And 12 layers of silicon powder with an average particle size of 80 μm (purity 99%)
A brazing composition consisting of parts by weight was prepared. And this
To 100 parts by weight of the mixed powder of
F-AlF 3) Is mixed with 20 parts by weight of
Supply to the joint and keep at 600 ° C for 10 minutes in nitrogen atmosphere.
I held it and brazed it.
【００２０】このろう付けによれば、良好なフィレット
が形成されており、接合具合は良好であった。 〔実施例５〕平均粒径４０μｍで、球状のアルミニウム
粉末（純度９９．９％）１００重量部と、平均粒径２０
μｍの珪素粉末（純度９９％）１２重量部と、平均粒径
４０μｍで、球状のアルミニウム−珪素（重量比で１０
０：１２）合金粉末２０重量部とからなるろう付用組成
物を用意した。According to this brazing, a good fillet was formed and the joining condition was good. Example 5 100 parts by weight of spherical aluminum powder (purity 99.9%) having an average particle size of 40 μm and an average particle size of 20
12 parts by weight of silicon powder (purity 99%) having a particle size of 40 μm, and an aluminum-silicon spherical particle having an average particle size of 40 μm (weight ratio of 10).
0:12) A brazing composition comprising 20 parts by weight of alloy powder was prepared.
【００２１】そして、この混合粉末１００重量部にフッ
化物系のフラックス（ＫＦ−ＡｌＦ 3 ）を２０重量部混
合し、これをＡｌ部品の接合部に供給し、窒素雰囲気中
で１０分間６００℃に保持し、ろう付けを行った。この
ろう付けによれば、良好なフィレットが形成されてお
り、接合具合は良好であった。Then, 100 parts by weight of this mixed powder is added to the foot.
Compound-based flux (KF-AlF 3) Mixed with 20 parts by weight
And supply it to the joint of Al parts, and in a nitrogen atmosphere.
The temperature was maintained at 600 ° C. for 10 minutes for brazing. this
Brazing shows that a good fillet is formed.
The joining condition was good.
【００２２】〔実施例６〕平均粒径４０μｍで、球状の
アルミニウム粉末（純度９９．９％）１００重量部と、
平均粒径２０μｍの珪素粉末（純度９９％）１２重量部
と、平均粒径４０μｍで、球状のアルミニウム−珪素
（重量比で１００：１２）合金粉末３０重量部とからな
るろう付用組成物を用意した。Example 6 100 parts by weight of spherical aluminum powder (purity 99.9%) having an average particle size of 40 μm,
A brazing composition comprising 12 parts by weight of silicon powder (purity 99%) having an average particle size of 20 μm and 30 parts by weight of spherical aluminum-silicon (100: 12 by weight ratio) alloy powder having an average particle size of 40 μm. I prepared.
【００２３】そして、この混合粉末１００重量部にフッ
化物系のフラックス（ＫＦ−ＡｌＦ 3 ）を２０重量部混
合し、これをＡｌ部品の接合部に供給し、窒素雰囲気中
で１０分間６００℃に保持し、ろう付けを行った。この
ろう付けによれば、良好なフィレットが形成されてお
り、接合具合は良好であった。Then, 100 parts by weight of this mixed powder is added to the foot.
Compound-based flux (KF-AlF 3) Mixed with 20 parts by weight
And supply it to the joint of Al parts, and in a nitrogen atmosphere.
The temperature was maintained at 600 ° C. for 10 minutes for brazing. this
Brazing shows that a good fillet is formed.
The joining condition was good.
【００２４】〔実施例７〕平均粒径４０μｍで、球状の
アルミニウム粉末（純度９９．９％）１００重量部と、
平均粒径２０μｍの珪素粉末（純度９９％）１２重量部
と、平均粒径４０μｍの亜鉛粉末（純度９９．９％）１
０重量部とからなるろう付用組成物を用意した。Example 7 100 parts by weight of spherical aluminum powder (purity 99.9%) having an average particle size of 40 μm,
12 parts by weight of silicon powder having an average particle size of 20 μm (purity 99%) and zinc powder having an average particle size of 40 μm (purity 99.9%) 1
A brazing composition consisting of 0 parts by weight was prepared.
【００２５】そして、この混合粉末１００重量部にフッ
化物系のフラックス（ＫＦ−ＡｌＦ 3 ）を２０重量部混
合し、これをＡｌ部品の接合部に供給し、窒素雰囲気中
で１０分間６００℃に保持し、ろう付けを行った。この
ろう付けによれば、良好なフィレットが形成されてお
り、接合具合は良好であった。Then, 100 parts by weight of this mixed powder was added to the foot.
Compound-based flux (KF-AlF 3) Mixed with 20 parts by weight
And supply it to the joint of Al parts, and in a nitrogen atmosphere.
The temperature was maintained at 600 ° C. for 10 minutes for brazing. this
Brazing shows that a good fillet is formed.
The joining condition was good.
【００２６】〔実施例８〕平均粒径４０μｍで、球状の
アルミニウム粉末（純度９９．９％）１００重量部と、
平均粒径２０μｍの珪素粉末（純度９９％）１２重量部
と、平均粒径１０μｍの亜鉛粉末（純度９９．９％）２
０重量部とからなるろう付用組成物を用意した。Example 8 100 parts by weight of spherical aluminum powder (purity 99.9%) having an average particle size of 40 μm,
12 parts by weight of silicon powder having an average particle size of 20 μm (purity 99%) and zinc powder having an average particle size of 10 μm (purity 99.9%) 2
A brazing composition consisting of 0 parts by weight was prepared.
【００２７】そして、この混合粉末１００重量部にフッ
化物系のフラックス（ＫＦ−ＡｌＦ 3 ）を２０重量部混
合し、これをＡｌ部品の接合部に供給し、窒素雰囲気中
で１０分間６００℃に保持し、ろう付けを行った。この
ろう付けによれば、良好なフィレットが形成されてお
り、接合具合は良好であった。Then, 100 parts by weight of this mixed powder is added to the foot.
Compound-based flux (KF-AlF 3) Mixed with 20 parts by weight
And supply it to the joint of Al parts, and in a nitrogen atmosphere.
The temperature was maintained at 600 ° C. for 10 minutes for brazing. this
Brazing shows that a good fillet is formed.
The joining condition was good.
【００２８】〔実施例９〕平均粒径４０μｍで、球状の
アルミニウム粉末（純度９９．９％）１００重量部と、
平均粒径２０μｍの珪素粉末（純度９９％）１２重量部
と、平均粒径１００μｍの亜鉛粉末（純度９９．９％）
５重量部とからなるろう付用組成物を用意した。Example 9 100 parts by weight of spherical aluminum powder (purity 99.9%) having an average particle size of 40 μm,
12 parts by weight of silicon powder having an average particle size of 20 μm (purity 99%) and zinc powder having an average particle size of 100 μm (purity 99.9%)
A brazing composition consisting of 5 parts by weight was prepared.
【００２９】そして、この混合粉末１００重量部にフッ
化物系のフラックス（ＫＦ−ＡｌＦ 3 ）を２０重量部混
合し、これをＡｌ部品の接合部に供給し、窒素雰囲気中
で１０分間６００℃に保持し、ろう付けを行った。この
ろう付けによれば、良好なフィレットが形成されてお
り、接合具合は良好であった。Then, 100 parts by weight of this mixed powder is added to the foot.
Compound-based flux (KF-AlF 3) Mixed with 20 parts by weight
And supply it to the joint of Al parts, and in a nitrogen atmosphere.
The temperature was maintained at 600 ° C. for 10 minutes for brazing. this
Brazing shows that a good fillet is formed.
The joining condition was good.
【００３０】〔実施例１０〕平均粒径４０μｍで、球状
のアルミニウム粉末（純度９９．９％）１００重量部
と、平均粒径２０μｍの珪素粉末（純度９９％）１２重
量部と、平均粒径１０μｍの亜鉛粉末（純度９９．９
％）５重量部と、平均粒径４０μｍで、球状のアルミニ
ウム−珪素（重量比で１００：１２）合金粉末５重量部
とからなるろう付用組成物を用意した。Example 10 100 parts by weight of spherical aluminum powder (purity 99.9%) having an average particle size of 40 μm, 12 parts by weight of silicon powder (purity 99%) having an average particle size of 20 μm, and an average particle size 10 μm zinc powder (purity 99.9
%) 5 parts by weight and 5 parts by weight of spherical aluminum-silicon (100: 12 by weight ratio) alloy powder having an average particle size of 40 μm were prepared.
【００３１】そして、この混合粉末１００重量部にフッ
化物系のフラックス（ＫＦ−ＡｌＦ 3 ）を２０重量部混
合し、これをＡｌ部品の接合部に供給し、窒素雰囲気中
で１０分間６００℃に保持し、ろう付けを行った。この
ろう付けによれば、良好なフィレットが形成されてお
り、接合具合は良好であった。Then, 100 parts by weight of this mixed powder is added to the foot.
Compound-based flux (KF-AlF 3) Mixed with 20 parts by weight
And supply it to the joint of Al parts, and in a nitrogen atmosphere.
The temperature was maintained at 600 ° C. for 10 minutes for brazing. this
Brazing shows that a good fillet is formed.
The joining condition was good.
【００３２】〔実施例１１〕平均粒径４０μｍで、球状
のアルミニウム粉末（純度９９．９％）１００重量部
と、平均粒径２０μｍの珪素粉末（純度９９％）１２重
量部と、平均粒径１０μｍの亜鉛粉末（純度９９．９
％）５重量部と、平均粒径１０μｍのＴｉ粉末（純度９
９．９％）５重量部とからなるろう付用組成物を用意し
た。Example 11 100 parts by weight of spherical aluminum powder (purity 99.9%) having an average particle size of 40 μm, 12 parts by weight of silicon powder (purity 99%) having an average particle size of 20 μm, and an average particle size 10 μm zinc powder (purity 99.9
%) 5 parts by weight and Ti powder having an average particle size of 10 μm (purity 9
9.9%) 5 parts by weight to prepare a brazing composition.
【００３３】そして、この混合粉末１００重量部にフッ
化物系のフラックス（ＫＦ−ＡｌＦ 3 ）を２０重量部混
合し、これをＡｌ部品の接合部に供給し、窒素雰囲気中
で１０分間６００℃に保持し、ろう付けを行った。この
ろう付けによれば、良好なフィレットが形成されてお
り、接合具合は良好であった。Then, 100 parts by weight of this mixed powder is added to the foot.
Compound-based flux (KF-AlF 3) Mixed with 20 parts by weight
And supply it to the joint of Al parts, and in a nitrogen atmosphere.
The temperature was maintained at 600 ° C. for 10 minutes for brazing. this
Brazing shows that a good fillet is formed.
The joining condition was good.
【００３４】〔実施例１２〕平均粒径４０μｍで、球状
のアルミニウム粉末（純度９９．９％）１００重量部
と、平均粒径２０μｍの珪素粉末（純度９９％）１２重
量部と、平均粒径１０μｍの亜鉛粉末（純度９９．９
％）５重量部と、平均粒径１０μｍのＣｕ粉末（純度９
９．９％）５重量部とからなるろう付用組成物を用意し
た。Example 12 100 parts by weight of spherical aluminum powder (purity 99.9%) having an average particle size of 40 μm, 12 parts by weight of silicon powder (purity 99%) having an average particle size of 20 μm, and an average particle size 10 μm zinc powder (purity 99.9
%) 5 parts by weight and Cu powder having an average particle size of 10 μm (purity 9
9.9%) 5 parts by weight to prepare a brazing composition.
【００３５】そして、この混合粉末１００重量部にフッ
化物系のフラックス（ＫＦ−ＡｌＦ 3 ）を２０重量部混
合し、これをＡｌ部品の接合部に供給し、窒素雰囲気中
で１０分間６００℃に保持し、ろう付けを行った。この
ろう付けによれば、良好なフィレットが形成されてお
り、接合具合は良好であった。Then, 100 parts by weight of this mixed powder is added to the foot.
Compound-based flux (KF-AlF 3) Mixed with 20 parts by weight
And supply it to the joint of Al parts, and in a nitrogen atmosphere.
The temperature was maintained at 600 ° C. for 10 minutes for brazing. this
Brazing shows that a good fillet is formed.
The joining condition was good.
【００３６】〔実施例１３〕平均粒径４０μｍで、球状
のアルミニウム粉末（純度９９．９％）１００重量部
と、平均粒径２０μｍの珪素粉末（純度９９％）１２重
量部と、平均粒径１０μｍの亜鉛粉末（純度９９．９
％）５重量部と、平均粒径１０μｍのＣｒ粉末（純度９
９．９％）５重量部とからなるろう付用組成物を用意し
た。Example 13 100 parts by weight of spherical aluminum powder (purity 99.9%) having an average particle size of 40 μm, 12 parts by weight of silicon powder (purity 99%) having an average particle size of 20 μm, and an average particle size 10 μm zinc powder (purity 99.9
%) 5 parts by weight and Cr powder having an average particle size of 10 μm (purity 9
9.9%) 5 parts by weight to prepare a brazing composition.
【００３７】そして、この混合粉末１００重量部にフッ
化物系のフラックス（ＫＦ−ＡｌＦ 3 ）を２０重量部混
合し、これをＡｌ部品の接合部に供給し、窒素雰囲気中
で１０分間６００℃に保持し、ろう付けを行った。この
ろう付けによれば、良好なフィレットが形成されてお
り、接合具合は良好であった。Then, 100 parts by weight of this mixed powder was added to the foot.
Compound-based flux (KF-AlF 3) Mixed with 20 parts by weight
And supply it to the joint of Al parts, and in a nitrogen atmosphere.
The temperature was maintained at 600 ° C. for 10 minutes for brazing. this
Brazing shows that a good fillet is formed.
The joining condition was good.
【００３８】〔実施例１４〕平均粒径４０μｍで、球状
のアルミニウム粉末（純度９９．９％）１００重量部
と、平均粒径２０μｍの珪素粉末（純度９９％）１２重
量部と、平均粒径１０μｍの亜鉛粉末（純度９９．９
％）４重量部と、平均粒径４０μｍで、球状のアルミニ
ウム−珪素（重量比で１００：１２）合金粉末４重量部
と、平均粒径１０μｍのＴｉ粉末（純度９９．９％）２
重量部とからなるろう付用組成物を用意した。Example 14 100 parts by weight of spherical aluminum powder (purity 99.9%) having an average particle size of 40 μm, 12 parts by weight of silicon powder (purity 99%) having an average particle size of 20 μm, and an average particle size 10 μm zinc powder (purity 99.9
%) 4 parts by weight, 4 parts by weight of spherical aluminum-silicon (100: 12 by weight ratio) alloy powder having an average particle size of 40 μm, and Ti powder having an average particle size of 10 μm (purity 99.9%) 2
A brazing composition comprising 1 part by weight was prepared.
【００３９】そして、この混合粉末１００重量部にフッ
化物系のフラックス（ＫＦ−ＡｌＦ 3 ）を２０重量部混
合し、これをＡｌ部品の接合部に供給し、窒素雰囲気中
で１０分間６００℃に保持し、ろう付けを行った。この
ろう付けによれば、良好なフィレットが形成されてお
り、接合具合は良好であった。Then, 100 parts by weight of this mixed powder was added to the foot.
Compound-based flux (KF-AlF 3) Mixed with 20 parts by weight
And supply it to the joint of Al parts, and in a nitrogen atmosphere.
The temperature was maintained at 600 ° C. for 10 minutes for brazing. this
Brazing shows that a good fillet is formed.
The joining condition was good.
【００４０】[0040]
【効果】良好なろう付けが行われる。しかも、ろう付用
組成物は粉末の混合物の形態であるから、低廉なコスト
で得られる。[Effect] Good brazing is performed. Moreover, since the brazing composition is in the form of a powder mixture, it can be obtained at a low cost.
Claims (13)
ことを特徴とするろう付用組成物。1. A brazing composition comprising aluminum powder and silicon powder.
ミニウム−珪素系合金粉末とを含むことを特徴とするろ
う付用組成物。2. A brazing composition comprising aluminum powder, silicon powder, and aluminum-silicon alloy powder.
求項１または請求項２のろう付用組成物。3. The brazing composition according to claim 1 or 2, which contains zinc powder.
の中から選ばれる少なくとも一つの粉末が含まれること
を特徴とする請求項１〜請求項３のろう付用組成物。4. The brazing composition according to claim 1, which contains at least one powder selected from the group consisting of Ti, Cu, Cr and alloys thereof.
が、アルミニウム粉末１００重量部に対して珪素粉末は
５〜４０重量部であることを特徴とする請求項１または
請求項２のろう付用組成物。5. The brazing composition according to claim 1, wherein the ratio of the aluminum powder to the silicon powder is 5 to 40 parts by weight of the silicon powder relative to 100 parts by weight of the aluminum powder. object.
〜１５０μｍのものであることを特徴とする請求項１、
請求項２または請求項５のろう付用組成物。6. The aluminum powder has an average particle size of 0.2.
~ 150μm, the claim 1, characterized in that
The brazing composition according to claim 2 or 5.
μｍのものであることを特徴とする請求項１、請求項２
または請求項５のろう付用組成物。7. The silicon powder has an average particle size of 0.2 to 150.
It is a thing of micrometer, Claim 1, Claim 2 characterized by the above-mentioned.
Alternatively, the brazing composition according to claim 5.
ミニウム１００重量部に対して珪素が５〜２０重量部の
割合であることを特徴とする請求項２のろう付用組成
物。8. The brazing composition according to claim 2, wherein the aluminum-silicon alloy powder contains 5 to 20 parts by weight of silicon based on 100 parts by weight of aluminum.
粒径が０．２〜１５０μｍのものであることを特徴とす
る請求項２または請求項８のろう付用組成物。9. The brazing composition according to claim 2 or 8, wherein the aluminum-silicon alloy powder has an average particle size of 0.2 to 150 μm.
末１００重量部に対して２０重量部以下であることを特
徴とする請求項３のろう付用組成物。10. The brazing composition according to claim 3, wherein the content of the zinc powder is 20 parts by weight or less with respect to 100 parts by weight of the aluminum powder.
０μｍのものであることを特徴とする請求項３のろう付
用組成物。11. Zinc powder has an average particle size of 0.2 to 15
The brazing composition according to claim 3, which has a diameter of 0 μm.
群の中から選ばれる粉末の含有量は、アルミニウム粉末
１００重量部に対して１０重量部以下であることを特徴
とする請求項４のろう付用組成物。12. The content of the powder selected from the group of Ti, Cu, Cr and their alloys is 10 parts by weight or less based on 100 parts by weight of the aluminum powder. A composition for brazing.
群の中から選ばれる粉末は、平均粒径が１〜１００μｍ
のものであることを特徴とする請求項４のろう付用組成
物。13. A powder selected from the group consisting of Ti, Cu, Cr and alloys thereof, having an average particle size of 1 to 100 μm.
The composition for brazing according to claim 4, wherein the composition is for brazing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23472693A JPH0788689A (en) | 1993-09-21 | 1993-09-21 | Composition for brazing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23472693A JPH0788689A (en) | 1993-09-21 | 1993-09-21 | Composition for brazing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0788689A true JPH0788689A (en) | 1995-04-04 |
Family
ID=16975414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23472693A Pending JPH0788689A (en) | 1993-09-21 | 1993-09-21 | Composition for brazing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0788689A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6113667A (en) * | 1996-12-14 | 2000-09-05 | Mitsubishi Aluminum Kabushiki Kaisha | Brazing aluminum alloy powder composition and brazing method using such powder composition |
| CN1104992C (en) * | 1997-03-27 | 2003-04-09 | 三菱铝株式会社 | Brazing aluminum alloy powder composition and brazing method using such powder composition |
| JP2013248657A (en) * | 2012-06-04 | 2013-12-12 | Meidensha Corp | Brazing filler metal, joining method by the brazing filler metal, and semiconductor module |
-
1993
- 1993-09-21 JP JP23472693A patent/JPH0788689A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6113667A (en) * | 1996-12-14 | 2000-09-05 | Mitsubishi Aluminum Kabushiki Kaisha | Brazing aluminum alloy powder composition and brazing method using such powder composition |
| CN1104992C (en) * | 1997-03-27 | 2003-04-09 | 三菱铝株式会社 | Brazing aluminum alloy powder composition and brazing method using such powder composition |
| JP2013248657A (en) * | 2012-06-04 | 2013-12-12 | Meidensha Corp | Brazing filler metal, joining method by the brazing filler metal, and semiconductor module |
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