JPH0332492A - Brazing material and production thereof - Google Patents
Brazing material and production thereofInfo
- Publication number
- JPH0332492A JPH0332492A JP16644589A JP16644589A JPH0332492A JP H0332492 A JPH0332492 A JP H0332492A JP 16644589 A JP16644589 A JP 16644589A JP 16644589 A JP16644589 A JP 16644589A JP H0332492 A JPH0332492 A JP H0332492A
- Authority
- JP
- Japan
- Prior art keywords
- brazing material
- brazing
- weight
- powders
- thin film
- 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.)
- Pending
Links
- 238000005219 brazing Methods 0.000 title claims abstract description 51
- 239000000463 material Substances 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 239000000843 powder Substances 0.000 claims abstract description 18
- 229910052802 copper Inorganic materials 0.000 claims abstract description 14
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 13
- 229910052709 silver Inorganic materials 0.000 claims abstract description 12
- 238000007751 thermal spraying Methods 0.000 claims abstract description 8
- 230000001590 oxidative effect Effects 0.000 claims description 4
- 239000010409 thin film Substances 0.000 abstract description 7
- 239000011347 resin Substances 0.000 abstract description 4
- 229920005989 resin Polymers 0.000 abstract description 4
- 239000007769 metal material Substances 0.000 abstract description 2
- 229910018182 Al—Cu Inorganic materials 0.000 abstract 1
- 239000010949 copper Substances 0.000 description 29
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- 238000009826 distribution Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000945 filler Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000007750 plasma spraying Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 210000002808 connective tissue Anatomy 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000011812 mixed powder Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- BYFGZMCJNACEKR-UHFFFAOYSA-N Al2O Inorganic materials [Al]O[Al] BYFGZMCJNACEKR-UHFFFAOYSA-N 0.000 description 1
- 229910016570 AlCu Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910000833 kovar Inorganic materials 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Landscapes
- Ceramic Products (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
Description
【発明の詳細な説明】
Ａ、産業上の利用分野
本発明は、ロウ材に係り、特にＡｇとＡｌとＣｕとを主
成分とするＡｇ Ａｌ Ｃｕ系のロウ材とその製造
方法に関したものである。[Detailed Description of the Invention] A. Industrial Application Field The present invention relates to a brazing filler metal, and in particular to an AgAlCu-based brazing fillerite containing Ag, Al, and Cu as main components, and a method for producing the same. be.
Ｂ０発明の概要
本発明は、Ａｇ（銀）、Ａｌ（アルミニウム）、Ｃｕ−
（銅）を主成分としたＡｇ Ａｌ Ｃｕ系のロウ材
であり、２５〜８０重量％のＡｇと、１４〜７５重量％
のＡｔと、１〜３０重量％のＣｕとからなり、またこれ
らの粉末を非酸化性雰囲気中にて溶射処理して得るもの
である。B0 Summary of the Invention The present invention is based on Ag (silver), Al (aluminum), Cu-
It is an Ag Al Cu-based brazing material whose main component is (copper), with 25 to 80% by weight of Ag and 14 to 75% by weight.
of At and 1 to 30% by weight of Cu, and is obtained by thermal spraying these powders in a non-oxidizing atmosphere.
Ｃ９従来の技術
金属の接合にロウ材を用いることは一般的に行われてお
り、その際のロウ材は、取り扱いの簡便な線状（線ロウ
）、板状（板ロウ）の形で使用されるのが一般的である
。C9 Conventional technology It is common practice to use brazing metal to join metals, and the brazing metal is used in the form of wire (wire soldering) or plate (plate soldering), which are easy to handle. It is common that
ロウ材の成分としては、接合金属等の条件によって選択
できるように各種のものがあり、その一つにＡｇ、Ａｌ
を主成分としたＡｇ−Ａｌ系のロウ材がある。There are various components of brazing filler metal that can be selected depending on the conditions of the joining metal, etc. One of them is Ag and Al.
There is an Ag-Al based brazing material whose main component is
Ｄ１発明が解決しようとする課題
一般的に知られているＡｇ−Ａｌロウ材は、Ａｇ９５−
Ａｌ５（重量％）であり、このロウ材にあっては、ロウ
付温度が９００℃程度となり、接合部材及び他の構成部
材に熱的悪影響を与える場合がある。D1 Problems to be Solved by the Invention The generally known Ag-Al brazing material is Ag95-
This brazing material has a brazing temperature of approximately 900° C., which may have an adverse thermal effect on the joining member and other constituent members.
しかして、Ａｌを２０〜５０重量％含有させると、約５
６６℃程度で共晶点を持つことになり、ロウ付温度とし
ては、熱的悪影響の少ない約６５０℃程度の低温にでき
る利点がある。However, when Al is contained in an amount of 20 to 50% by weight, approximately 5%
It has a eutectic point at about 66°C, and there is an advantage that the brazing temperature can be as low as about 650°C, which has less adverse thermal effects.
しかし、Ａｌを６〜７重量％以上含有すると金属間化合
物（例えばＡｇ５Ａｌ）を作り、硬くて延びがなくなり
、圧延等の加工ができず、線材（例えば外形１ｊＩｊＩ
のもの）、板材（例えば０．１〜０ 、５ ｙｔｙｘの
もの）に加工出来ないものである。However, if Al is contained in an amount of 6 to 7% by weight or more, an intermetallic compound (for example, Ag5Al) is formed, which becomes hard and inelastic, making it impossible to process such as rolling.
It cannot be processed into plate material (for example, 0.1 to 0.5 ytyx).
従って、あえて低温用のＡｇ−Ａｌロウ材（例えばＡｇ
７Ｏ−Ａｌ２Ｏ）が必要な場合には各成分の金属粉末を
混合し、この混合粉末の状態（または若干の加工を加え
て）にて使用せざるを得ないのが現状である。Therefore, we dare to use Ag-Al brazing material for low temperatures (for example, Ag
7O-Al2O), it is currently necessary to mix the metal powders of each component and use this mixed powder (or with some processing).
このため、取扱が煩雑であり、しかも適応場所に制限を
受けてしまい、その上接合特性の安定性に欠けるといっ
た問題がある。For this reason, there are problems in that it is complicated to handle, it is limited in the places where it can be applied, and it lacks stability in bonding characteristics.
８９課題を解決するための手段
発明者らは、Ａｇ、Ａｌの粉末をプラズマ溶射して薄膜
状のロウ材を形成することを試みた。Means for Solving the 89 Problems The inventors attempted to form a thin film brazing material by plasma spraying powders of Ag and Al.
その結果、比較的良好な薄膜状のＡｇ−Ａｌ０つ材を形
成できたが、新たに次のような課題が判明した。As a result, a relatively good thin film-like Ag-Al material could be formed, but the following new problems were discovered.
■ 任意の形状に加工するに（よ強度が不足している。■ Insufficient strength to process into any shape.
■ 例えばＣｕ部材をロウ付接合した場合に、Ａｌの一
部がＣｕ部材中に拡散して、ロウ材の初期組成からずれ
てしまい、ロウ材の厚みにもよるが接合部にクラックが
生じろことがある。■ For example, when Cu parts are joined by brazing, some of the Al will diffuse into the Cu parts, causing deviations from the initial composition of the brazing material, and cracks may occur at the joint, depending on the thickness of the brazing material. Sometimes.
そこで発明者らは、Ｃｕを添加して上記の課題を解決で
きないか試みた。その結果、２５〜８０重量％のＡｇと
、１４〜７５重量％のＡｌと、１〜３０重重％のＣｕと
でロウ材を形成すれば上記の問題が解決できて良好なロ
ウ付特性が得られることが判った。Therefore, the inventors attempted to solve the above problem by adding Cu. As a result, the above problems can be solved and good brazing properties can be obtained by forming a brazing material with 25 to 80% by weight of Ag, 14 to 75% by weight of Al, and 1 to 30% by weight of Cu. It turned out that it was possible.
本発明は、２５〜８０重量％のＡｇと、１４〜７５重量
％のＡｌと、１４〜３０重量％のＣｕとからなり、また
これらの粉末を非酸化性雰囲気中にて溶射処理して得る
ロウ材とその製造方法である。The present invention consists of 25 to 80% by weight of Ag, 14 to 75% by weight of Al, and 14 to 30% by weight of Cu, and is obtained by thermal spraying these powders in a non-oxidizing atmosphere. This is brazing material and its manufacturing method.
しかして、Ａｇ、Ａｌ、Ｃｕが上述の範囲以外（未満、
及び越える場合）の場合にあっては、各々の成分の特性
が顕著となって、ロウ付性、接合特性が急激に低下する
ものである。However, Ag, Al, and Cu are outside the above range (less than,
In the case of (and exceeding), the characteristics of each component become remarkable, and the brazing properties and bonding properties deteriorate rapidly.
なお、
■ ロウ材の組成は、Ａｇを３０〜５８重量％、Ａｔを
２６〜６０重景％、Ｃｕを１０〜２５重量％とするのが
最も良好なロウ付特性結果が得られる。Note that (1) the composition of the brazing material is 30 to 58% by weight of Ag, 26 to 60% by weight of At, and 10 to 25% by weight of Cu to obtain the best brazing properties.
■ Ａｇ、Ａｌ、Ｃｕ以外には、不可避不純物、接合金
属に対応してロウ付性向上のために添加する他の成分を
含有しても差し支えない。(2) In addition to Ag, Al, and Cu, other components may be added to improve brazing properties in accordance with unavoidable impurities and bonding metals.
■ 原料（Ａｇ、Ａｌ．Ｃｕ等）の粉末（よ、別々に溶
射する、または混合粉末の状態で溶射する、のいずれで
あっても良い。(2) Powders of raw materials (Ag, Al, Cu, etc.) may be sprayed separately or as a mixed powder.
■ 非酸化性雰囲気としては、真空中、不活性ガス中が
、溶射処理としては、プラズマ溶射、減圧プラズマ溶射
が、ロウ材の厚みは１０μｍ以上のらの、が各々該当す
る。(2) Examples of non-oxidizing atmosphere include vacuum or inert gas, thermal spraying includes plasma spraying and reduced pressure plasma spraying, and brazing material with a thickness of 10 μm or more is applicable.
■ 溶射は、薄い板状材を得るために樹脂等の剥しか容
易な部材上に行うのが好ましい。または、接合する部材
の表面に直接溶射してロウ材層を形成しても差し支えな
いものである。(2) Thermal spraying is preferably carried out on a material that can be easily peeled off, such as a resin, in order to obtain a thin plate-like material. Alternatively, the brazing material layer may be formed by thermal spraying directly onto the surfaces of the members to be joined.
１１作用
原料粉末を溶射処理するので、薄い板状のロウ材を得る
ことができ、しかもＣｕを含有していることから強度が
増し、切断、打ち抜き等の加工が容易となり、適応箇所
に制限の無い板状のＡｇ−Ａ Ｉ −Ｃｕ系ロウ材を容
易に得ることができる。11 Effects Since the raw material powder is thermally sprayed, a thin plate-shaped brazing material can be obtained, and since it contains Cu, its strength is increased, making it easy to process such as cutting and punching, and there are no restrictions on where it can be applied. It is possible to easily obtain a plate-shaped Ag-A I-Cu brazing filler metal.
Ｇ、実施例 本発明を実施例に基づいて詳細に説明する。G. Example The present invention will be explained in detail based on examples.
成分比を、Ａｇ ：Ａｌ ：Ｃｕ＝約４０：４０：２０
（重量％）となるように秤量した、粒径が３２５メツシ
ユ以下（−３２５メツシユ）のＡｇ粉末とＡｌ粉末とＣ
ｕ粉末とを用意する。The component ratio is Ag:Al:Cu=about 40:40:20
(wt%), Ag powder with a particle size of 325 mesh or less (-325 mesh), Al powder, and C
Prepare u powder.
これらの粉末を、一般的に知られているプラズマ溶射装
置を用いて、真空雰囲気中のターゲットに溶融噴射して
、Ａ ｇ −Ａ Ｉ −Ｃｕの薄い膜を形成する。These powders are melt-injected onto a target in a vacuum atmosphere using a generally known plasma spraying device to form a thin film of Ag-AI-Cu.
この際にターゲット上には、形成したＡｇ−ＡｌＣｕの
薄膜を容易に剥がすことができろように、例えば樹脂の
シートを設けておき、この樹脂層上にＡ ｇ −Ａ Ｉ
−Ｃｕの薄膜を形成する。At this time, a resin sheet, for example, is provided on the target so that the formed Ag-AlCu thin film can be easily peeled off, and A g -A I
- Form a Cu thin film.
次に、上達のように形成した薄い板状のロウけを用いて
接合した実施例を第１図の金属組織を示す顕微鏡写真に
基づいて説明する。Next, an example of bonding using a thin plate-shaped braze formed as described in Kagoshima will be described based on the micrograph showing the metallographic structure of FIG. 1.
第１図は、銅（Ｃｕ、図中の右側）とｇｌ（Ｃｕ 。Figure 1 shows copper (Cu, right side in the figure) and GL (Cu).
図中左側）とを、Ａｇ （４０）−Ａｌ （４０）−Ｃ
ｕ （２０）ロウｌｔ（図中の中央部）で接合したもの
である。 。left side in the figure) and Ag (40)-Al (40)-C
u (20) Joined with a solder lt (center part in the figure). .
なお、ロウ材の厚みは、０．４１１Ｍ０雰囲気は、真空
中。The thickness of the brazing material is 0.411. The M0 atmosphere is in a vacuum.
ロウ付温度は、約６５０℃。The brazing temperature is approximately 650℃.
の条件で行ったものである。This was done under the following conditions.
図中において、 （ａ）は、ロウ付部の二次電子像。In the figure, (a) is a secondary electron image of the brazed part.
（ｂ）は、Ａｇの分布状態（白い部分）を示す特性Ｘ線
像。(b) is a characteristic X-ray image showing the distribution state of Ag (white area).
（ｃ）は、Ａｌの分布状態（白い部分）を示す特性Ｘ線
像。(c) is a characteristic X-ray image showing the distribution state of Al (white area).
（ｄ）は、Ｃｕの分布状！３（白い部分）を示す特性Ｘ
線像。(d) is the distribution of Cu! Characteristic X indicating 3 (white part)
Line image.
を各々示している。are shown respectively.
この図から、ロウ付部及びその近傍において、各成分相
互に拡散していて、強固な結合組織となっていることが
判る。From this figure, it can be seen that in the brazed portion and its vicinity, each component is mutually diffused, forming a strong connective tissue.
次に、成分以外の条件は前述の場合と同じくして各種組
成のロウ材を製作し接合実験を行った。Next, braze fillers with various compositions were produced and bonding experiments were conducted under the same conditions as described above except for the ingredients.
その結果、第２図に示す組成範囲、すなわちＡｇが２５
〜８０重量％、Ａｌが１４〜７５重量％、Ｃｕが１〜３
０重量％であれば、良好なロウ付特性が得られ、この範
囲以外の場合には、ロウ付部に「クラック」、「剥離」
等のロウ付特性を悪化させる要因が顕著に発生した。As a result, the composition range shown in Figure 2, that is, Ag is 25
~80 wt%, Al 14-75 wt%, Cu 1-3
If it is 0% by weight, good brazing properties will be obtained, and if it is outside this range, "cracking" or "peeling" will occur in the brazing part.
Significant factors such as deterioration of brazing characteristics occurred.
一方、特にＡｇ１１３０〜５８重量％、Ａｌが２６〜６
０重量％、Ｃｕが１０〜２５重量％の場合には、前述の
第１図で説明したような、強固な結合組織が得られ安定
したロウ付特性結果を得ろことかできた。On the other hand, especially Ag1130-58% by weight, Al 26-6%
When the content of Cu was 0% by weight and the content of Cu was 10 to 25% by weight, it was possible to obtain a strong connective tissue and stable brazing properties as explained in FIG. 1 above.
Ｈ０発明の効果
本発明のロウ材は、原料のＡｇ、Ａｌ及びＣｕの粉末を
溶射処理するので、薄い板状のＡｇ−Ａ Ｉ −Ｃｕ材
を得ることができ、しからＣｕを含有していることから
強度か増し、取扱が簡便となり、更には任意の形状に加
工する切断、打ら抜き等を容易に行うことができ、適応
箇所の無い板状のロウ材を得ることができる。Effects of the H0 Invention The brazing material of the present invention is obtained by thermal spraying the powders of Ag, Al, and Cu as raw materials, so that a thin plate-shaped Ag-A I-Cu material can be obtained, and the brazing material contains copper. This increases the strength, makes handling easier, and furthermore, cutting, punching, etc. can be easily performed to process any shape, and it is possible to obtain a plate-shaped brazing material with no adaptable parts.
しかも、ロウ付温度が約６５０℃程度の比較的低い温度
のロウ材であるから、接合部材及び他の構成部材に与え
る熱的影響を軽減することができ、しかも、銅に限らず
鉄、ステンレス鋼、コバール合金、チタン、ニッケル等
の各種金属材料からなる部材を良好に接合できろ。In addition, since the brazing temperature is relatively low at about 650°C, the thermal effect on the joining parts and other components can be reduced, and it is suitable for not only copper but also iron, stainless steel, etc. Be able to successfully join parts made of various metal materials such as steel, Kovar alloy, titanium, and nickel.
従って、真空機器、電力機器（例えば真空インタラプタ
、ＧＴＯ） 、電子機器、産業機器等の各種のロウ付箇
所に広く適用することができて、生産性の向上と価格低
減を図ることができる。Therefore, it can be widely applied to various brazing parts of vacuum equipment, power equipment (eg, vacuum interrupter, GTO), electronic equipment, industrial equipment, etc., and it is possible to improve productivity and reduce costs.
第１図はロウ付部の金属組織を示す顕＠鏡写真であり、
図中において、
（ａ）は、
ロウ付部の二次電子像。
（ｂ）は、
Ａｇの分布状態（白い部分）を示
す特性Ｘ線像。
（ｃ）は、
Ａｌの分布状＠（白い部分）を示
す特性Ｘ線像。
（ｄ）は、
Ｃｕの分布状態（白い部分）を示
す特性Ｘ線像。
を各々示す。
第２図は、
実験結果に基づく有用なロウ材の組
織範囲の説明図である。
外２名Figure 1 is a microscopic photograph showing the metal structure of the brazed part.
In the figure, (a) is a secondary electron image of the brazed part. (b) is a characteristic X-ray image showing the distribution state of Ag (white area). (c) is a characteristic X-ray image showing the distribution pattern of Al (white area). (d) is a characteristic X-ray image showing the distribution state of Cu (white area). are shown respectively. FIG. 2 is an explanatory diagram of the useful structure range of brazing filler metal based on experimental results. 2 people outside
Claims (2)
て、Ａｇを２５〜８０重積％、Ａｌを１４〜７５重量％
、Ｃｕを１〜３０重量％含有したことを特徴とするロウ
材。(1) A brazing material whose main components are Ag, Al, and Cu, with 25 to 80% by weight of Ag and 14 to 75% by weight of Al.
, a brazing material containing 1 to 30% by weight of Cu.
て、２５〜８０重量％のＡｇ粉末と、１４〜７５重量％
のＡｌ粉末と、１〜３０重量％のＣｕ粉末とを非酸化性
雰囲気中にて溶射処理して形成したことを特徴とするロ
ウ材の製造方法。(2) A brazing material whose main components are Ag, Al, and Cu, including 25 to 80% by weight of Ag powder and 14 to 75% by weight.
1. A method for producing a brazing material, characterized in that the brazing material is formed by thermal spraying an Al powder of 1 to 30% by weight and a Cu powder of 1 to 30% by weight in a non-oxidizing atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16644589A JPH0332492A (en) | 1989-06-28 | 1989-06-28 | Brazing material and production thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16644589A JPH0332492A (en) | 1989-06-28 | 1989-06-28 | Brazing material and production thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0332492A true JPH0332492A (en) | 1991-02-13 |
Family
ID=15831540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16644589A Pending JPH0332492A (en) | 1989-06-28 | 1989-06-28 | Brazing material and production thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0332492A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07223090A (en) * | 1994-02-15 | 1995-08-22 | Nhk Spring Co Ltd | Brazing filler metal for joining aluminum alloy with copper, and composite material joined thereby |
-
1989
- 1989-06-28 JP JP16644589A patent/JPH0332492A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07223090A (en) * | 1994-02-15 | 1995-08-22 | Nhk Spring Co Ltd | Brazing filler metal for joining aluminum alloy with copper, and composite material joined thereby |
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