JP2605841B2 - Manufacturing method of brazing material - Google Patents

Manufacturing method of brazing material

Info

Publication number
JP2605841B2
JP2605841B2 JP63289526A JP28952688A JP2605841B2 JP 2605841 B2 JP2605841 B2 JP 2605841B2 JP 63289526 A JP63289526 A JP 63289526A JP 28952688 A JP28952688 A JP 28952688A JP 2605841 B2 JP2605841 B2 JP 2605841B2
Authority
JP
Japan
Prior art keywords
brazing material
brazing
powder
weight
spraying
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.)
Expired - Lifetime
Application number
JP63289526A
Other languages
Japanese (ja)
Other versions
JPH02137693A (en
Inventor
佳行 柏木
信行 吉岡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meidensha Corp
Original Assignee
Meidensha Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Meidensha Corp filed Critical Meidensha Corp
Priority to JP63289526A priority Critical patent/JP2605841B2/en
Publication of JPH02137693A publication Critical patent/JPH02137693A/en
Application granted granted Critical
Publication of JP2605841B2 publication Critical patent/JP2605841B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B23K35/24—Selection of soldering or welding materials proper
    • B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
    • B23K35/3006—Ag as the principal constituent

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Products (AREA)
  • Powder Metallurgy (AREA)

Description

【発明の詳細な説明】 A.産業上の利用分野 本発明は、ロウ材の製造方法に係り、特にAgとAlとを
主成分とするAg−Al系のロウ材に関したものである。The present invention relates to a brazing material manufacturing method, and more particularly to an Ag-Al-based brazing material containing Ag and Al as main components.

B.発明の概要 本発明は、Ag（銀）,Al（アルミニウム）を主成分と
したAg−Al系のロウ材であり、 50〜80重量％のAg粉末と、20〜50重量％のAl粉末とを
非酸化性雰囲気中にて溶射処理して得た薄い板状のロウ
材である。B. Summary of the Invention The present invention is an Ag-Al-based brazing material containing Ag (silver) and Al (aluminum) as main components, comprising 50 to 80% by weight of Ag powder and 20 to 50% by weight of Al It is a thin plate-shaped brazing material obtained by spraying powder with a non-oxidizing atmosphere.

C.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、取扱の簡便な線状（線ロ
ウ）、板状（板ロウ）の形で使用されるのが一般的であ
る。C. Prior Art It is common practice to use brazing material for joining metals, in which case the brazing material is in the form of a line (wire brazing) or a plate (plate brazing) which is easy to handle. It is generally used.

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。As the components of the brazing material, there are various types that can be selected according to the conditions of the joining metal and the like.

D.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−A15
（重量％）であり、このロウ材にあっては、ロウ付け温
度が900℃程度となり、接合部材及びその他の構成部材
に熱的悪影響を与える場合がある。D. Problems to be Solved by the Invention Generally known Ag-Al brazing material is Ag95-A15
(Weight%), and the brazing temperature of the brazing material is about 900 ° C., which may have a bad thermal effect on the joining member and other components.

しかして、Alを20〜50重量％含有させると、約566℃
程度の共晶点を持つことになり、ロウ材付け温度として
は熱的悪影響の少ない約650℃程度の低温とすることが
できる。Thus, when Al is contained in an amount of 20 to 50% by weight, about 566 ° C.
Therefore, the brazing temperature can be set to a low temperature of about 650 ° C. with little adverse effect of heat.

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Ag3Al）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（例えば外径1mmのもの）、
板材（例えば0.1〜0.5mmのもの）に加工できないもので
ある。However, when Al is contained in an amount of 6 to 7% by weight or more, an intermetallic compound (for example, Ag 3 Al) is formed, and hard and does not elongate.
It cannot be processed into a plate material (for example, 0.1 to 0.5 mm).

従って、あえて低温用のAg−Alロウ材（例えばAg70−
A130）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
用しせざるを得ないのが現状である。Therefore, a low-temperature Ag-Al brazing material (eg, Ag70-
At present, when A130) is necessary, the metal powder of each component must be mixed and used in the state of the mixed powder (or with some processing).

このために、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 is a problem that the handling is complicated, the application place is restricted, and the stability of the joining characteristics is lacking.

E.課題を解決するための手段 本発明は、Ag,Alを主成分としたAg−Al系のロウ材で
あり、50〜80重量％のAg粉末と、20〜50重量％のAl粉末
とを非酸化性雰囲気中にて溶射処理して得た薄い板状の
ロウ材とその製造方法である。E. Means for Solving the Problems The present invention is an Ag-Al-based brazing material containing Ag and Al as main components, comprising 50 to 80% by weight of Ag powder and 20 to 50% by weight of Al powder. Is a thin plate-shaped brazing material obtained by spraying in a non-oxidizing atmosphere.

なお、Ag,Al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した他の成分を含有し
ても差し支えない。In addition, in addition to Ag and Al, unavoidable impurities and other components added for improving the brazing property corresponding to the joining metal may be contained.

また、原料（Ag,Al等）の粉末は、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。Powders of raw materials (Ag, Al, etc.) are sprayed separately,
Or spraying in the state of a mixed powder.

更に、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、板状としては、厚みが10μｍ以上のもの、が各
々該当する。Further, the non-oxidizing atmosphere corresponds to a vacuum or an inert gas, the thermal spraying corresponds to plasma spraying and reduced pressure plasma spraying, and the plate-shaped corresponds to a thickness of 10 μm or more.

溶射は、薄い板状材を得るために樹脂等の剥しが容易
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。The thermal spraying is preferably performed on a member such as resin which is easy to peel off in order to obtain a thin plate-shaped material. Alternatively, the brazing material layer may be formed by directly spraying the surface of the member to be joined.

しかして、Ag,Al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, when Ag and Al are out of the above-mentioned range (less than and above), the characteristics of each component become remarkable, and the brazing property and the joining characteristics are rapidly reduced. .

F.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、しかも薄いものであるから切断、打ち抜
き等の加工が容易であり、適応箇所に制限の無い板状の
ロウ材を容易に得ることができる。F. Action Since the raw material powder is subjected to thermal spraying, a thin plate-shaped brazing material can be obtained, and since it is thin, processing such as cutting and punching is easy, and the plate-shaped brazing material is not limited in applicable places. The material can be easily obtained.

G.実施例 本発明を実施例に基づいて詳細に説明する。G. Examples The present invention will be described in detail based on examples.

成分比が、Ag:Al＝70:30（重量％）となるように秤量
した、粒径が325メッシュ以下（−325メッシュ）のAg粉
末とAl粉末とを用意する。An Ag powder and an Al powder having a particle size of 325 mesh or less (−325 mesh) weighed so that the component ratio becomes Ag: Al = 70: 30 (% by weight) are prepared.

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、Ag−Alの薄い膜を形成する。These powders are melt-sprayed onto a target in a vacuum atmosphere using a generally known plasma spraying apparatus to form a thin Ag-Al film.

この際にターゲット上には、形成したAg−Alの薄膜を
容易に剥がすことができるように、例えば樹脂のシート
を設けておき、この樹脂層上にAg−Alの薄膜を形成す
る。At this time, for example, a resin sheet is provided on the target so that the formed Ag-Al thin film can be easily peeled off, and the Ag-Al thin film is formed on the resin layer.

次に、上述のように形成した薄い板状のロウ材を用い
て接合した実施例を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 in which the thin plate-shaped brazing material formed as described above is joined to each other will be described based on a micrograph showing a metal structure in the drawing.

図は、銅（Cu）とチタン（Ti）とを、Ag（70）−Al
（30）ロウ材で接合したものである。The figure shows that copper (Cu) and titanium (Ti) are converted to Ag (70) -Al
(30) Joined with brazing material.

なお、ロウ材の厚みは0.4mm。 The thickness of the brazing material is 0.4mm.

雰囲気は、真空中。 The atmosphere is in a vacuum.

ロウ付温度は、約650℃。 The brazing temperature is about 650 ° C.

の条件で行ったものである。This was performed 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 a brazed portion.

（ｂ）は、Cu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 Cu (white portion).

（ｃ）は、Ag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 Ag (white portion).

（ｄ）は、Alの分布状態（白い部分）を示す特性Ｘ線
像。(D) is a characteristic X-ray image showing the distribution state of Al (white portion).

（ｅ）は、Tiの分布状態（白い部分）を示す特性Ｘ線
像。(E) is a characteristic X-ray image showing the distribution state of Ti (white portion).

を各々示している。Are respectively shown.

この図から、ロウ付部及びその近傍において、各成分
が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 the components are diffused with each other in the brazed portion and in the vicinity thereof, forming a strong connective structure.

H.発明の効果 本発明のロウ材の製造方法によれば、原料Ag及びAlの
粉末を溶射処理するので、薄い板状のAg−Al材を得るこ
とができ、しかも薄い板であるから切断、打ち抜き等の
加工が容易であり、適応箇所に制限の無い板状のロウ材
を容易に得ることができる。H. Effect of the Invention According to the brazing material manufacturing method of the present invention, since the raw material Ag and Al powders are subjected to thermal spraying, a thin plate-like Ag-Al material can be obtained, and since it is a thin plate, it is cut. In addition, it is easy to perform processing such as punching, and it is possible to easily obtain a plate-shaped brazing material having no restriction on an applicable location.

しかも、ロウ付温度が熱的悪影響の少ない約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、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
合できる。Moreover, since the brazing temperature is a brazing material having a relatively low temperature of about 650 ° C. with little adverse thermal effect, it is possible to reduce the thermal effect on the joining member and other constituent members,
Moreover, members made of various metal materials such as copper, iron, stainless steel, Kovar alloy, titanium, and nickel can be satisfactorily joined.

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, the present invention can be widely applied to various brazing portions of vacuum equipment, power equipment (for example, vacuum interrupter, GTO), electronic equipment, industrial equipment, and the like, and can improve productivity and reduce cost.

【図面の簡単な説明】[Brief description of the drawings]

図はロウ付部の金属組織を示す顕微鏡写真であり、図中
において、 （ａ）は、ロウ付部の二次電子像。 （ｂ）は、Cuの分布状態（白い部分）を示す特性Ｘ線
像。 （ｃ）は、Agの分布状態（白い部分）を示す特性Ｘ線
像。 （ｄ）は、Alの分布状態（白い部分）を示す特性Ｘ線
像。 （ｅ）は、Tiの分布状態（白い部分）を示す特性Ｘ線
像。 を示す。The figure is a micrograph showing the metal structure of the brazed part, in which (a) is a secondary electron image of the brazed part. (B) is a characteristic X-ray image showing the distribution state of Cu (white portion). (C) is a characteristic X-ray image showing the distribution state of Ag (white portion). (D) is a characteristic X-ray image showing the distribution state of Al (white portion). (E) is a characteristic X-ray image showing the distribution state of Ti (white portion). Is shown.

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項１】AgとAlとを主成分とするロウ材であって、
50〜80重量％のAg粉末と、20〜50重量％のAl粉末とを非
酸化性雰囲気中にて溶射処理して薄い板状に形成したこ
とを特徴とするロウ材の製造方法。1. A brazing material containing Ag and Al as main components,
A method for producing a brazing material, comprising forming a thin plate by spraying 50 to 80% by weight of an Ag powder and 20 to 50% by weight of an Al powder in a non-oxidizing atmosphere.
JP63289526A 1988-11-16 1988-11-16 Manufacturing method of brazing material Expired - Lifetime JP2605841B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63289526A JP2605841B2 (en) 1988-11-16 1988-11-16 Manufacturing method of brazing material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63289526A JP2605841B2 (en) 1988-11-16 1988-11-16 Manufacturing method of brazing material

Publications (2)

Publication Number Publication Date
JPH02137693A JPH02137693A (en) 1990-05-25
JP2605841B2 true JP2605841B2 (en) 1997-04-30

Family

ID=17744394

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63289526A Expired - Lifetime JP2605841B2 (en) 1988-11-16 1988-11-16 Manufacturing method of brazing material

Country Status (1)

Country Link
JP (1) JP2605841B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7357230B2 (en) 2001-02-14 2008-04-15 Oiles Corporation Damper and automobile seat having the damper

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7357230B2 (en) 2001-02-14 2008-04-15 Oiles Corporation Damper and automobile seat having the damper
US7866451B2 (en) 2001-02-14 2011-01-11 Oiles Corporation Damper and automobile seat having the damper

Also Published As

Publication number Publication date
JPH02137693A (en) 1990-05-25

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