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JPH0479757B2 - - Google Patents
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JPH0479757B2 - - Google Patents

Info

Publication number
JPH0479757B2
JPH0479757B2 JP59206093A JP20609384A JPH0479757B2 JP H0479757 B2 JPH0479757 B2 JP H0479757B2 JP 59206093 A JP59206093 A JP 59206093A JP 20609384 A JP20609384 A JP 20609384A JP H0479757 B2 JPH0479757 B2 JP H0479757B2
Authority
JP
Japan
Prior art keywords
brazing filler
filler metal
alloy
brazing
tape
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
JP59206093A
Other languages
Japanese (ja)
Other versions
JPS6186096A (en
Inventor
Kyokazu Kojima
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.)
Tanaka Kikinzoku Kogyo KK
Original Assignee
Tanaka Kikinzoku Kogyo KK
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 Tanaka Kikinzoku Kogyo KK filed Critical Tanaka Kikinzoku Kogyo KK
Priority to JP20609384A priority Critical patent/JPS6186096A/en
Publication of JPS6186096A publication Critical patent/JPS6186096A/en
Publication of JPH0479757B2 publication Critical patent/JPH0479757B2/ja
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/40Making wire or rods for soldering or welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/02Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
    • B23K35/0222Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering or brazing

Landscapes

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

Description

【発明の詳細な説明】[Detailed description of the invention]

(産業上の利用分野) 本発明はTi、Ti合金、セラミツクスなどに用
いられるTi入り複合ろう材の製造方法に関する
ものである。 (従来技術とその問題点) 従来、Ti入りろう材は、合金にするとTiと貴
金属合金中の元素との間で金属間化合物が生成さ
れ、塑性加工が困難となるために、Ti入りろう
の製造は溶融金属をアトマイズ法により合金粉末
を得るか、貴金属合金を中間層として、その表面
にTiをクラツドするか又はこの逆でTiを中間層
として、その表面に貴金属合金をクラツドするか
していた。 然し乍ら粉末にて得られたTi入り粉末ろう材
は、その形状より使用用途が限定されてしまいユ
ーザーの多くに対し要求を満足させることが出来
なかつた。 一方、Tiと貴金属合金をクラツドしたTi複合
ろう材に於いては、塑性加工には、その有効性は
認められるものの、ろう付時にTiと貴金属合金
とが相互に溶け合つて合金化するのに時間がかか
つてしまうのと、偏析を起こすという問題があつ
た。 (発明の目的) 本発明は、かかる問題を解決すべくなされたも
のであり、塑性加工が容易であり、ろう付時短時
間に合金化が完了するとともに合金となつた後の
組織は均一であつて接合強さに悪影響を及ぼすほ
どの偏析の起きないTi入り複合ろう材の製造方
法を提供せんとするものである。 (発明の構成) 本発明のTi入り複合ろう材の製造方法は、Ti
と金属間化合物を生成する元素を含有する貴金属
合金及びTiとのクラツドした線材を一定の寸法
に切断し、該線材を束ねて束の軸方向への圧縮成
形、焼結を2回以上繰り返した後、熱間押出また
はスエージ、圧延、引抜での塑性加工により線、
テープ又は板状の素材を得るものである。この工
程を通ることにより、Tiは単体金属の状態にて
貴金属合金中に均一に繊維状分散するため、貴金
属合金中の元素とTiとの間で金属間化合物が生
じない。仮に生じたとしてもTiの表面層のみで
あるため、塑性加工性を失うことなく、引抜加工
又は圧延加工が容易で任意の寸法に仕上げること
が出来るものである。また、圧縮、焼結を2回以
上繰り返すことによつて、より一層微細な繊維状
に分散したTi入り複合ろう材を作ることのでき
るものである。 このTi入り複合ろう材を用いてTi、Ti合金、
セラミツクス等をろう付した時にTiが均一に貴
金属合金中に分散しているため、短時間に溶融合
金化が完了し、ろう付後の組織も偏析が極めて少
なく、接合強さも従来の方法によるものと比較し
著しく向上するものである。 次に本発明によるTi入り複合ろう材の製造方
法の効果を明瞭ならしめるために具体的な実施例
と従来例について説明する。 (実施例) 芯径16.5φmmのTi棒を内径16.5φmm、外径50mm
のAg−Cu28%のパイプに圧入し、このビレツト
を熱間押出により12φmmのTi入りAg−Cu28%の
複合線とし、これを更にセエージング加工、引抜
加工により2φmmとした。これを70mmに切断し、
それを束ねて30mm角の深さ70mmの金型に入れ、圧
縮成形、焼結を4回繰返した後、圧延加工により
圧延し、厚さ0.3mmとし、これをスリツターによ
り幅4.5mmに切断しテープを得た。 (従来例) 厚さ1.05mm、幅7mmのTiテープの両面に厚さ
4.5mm、幅7mmのAg−Cu28%のテープを溶接によ
り接合してサンドイツチ状テープとし、これを焼
なまし、圧延を繰り返して厚さ0.3mmとした後、
最終仕上げとしてスリツターにより幅4.3mmのテ
ープを得た。 これらのテープをろう材として2mm×1.5mm角
のTi棒を重ね継手としてろう付し、その時の断
面組織の顕微鏡による偏析状態の観察及び接合強
さの比較試験をしたところ、下記の表のような結
果を得た。
(Industrial Application Field) The present invention relates to a method for manufacturing a Ti-containing composite brazing filler metal used for Ti, Ti alloys, ceramics, etc. (Prior art and its problems) Conventionally, when Ti-containing filler metal is made into an alloy, an intermetallic compound is formed between Ti and the elements in the precious metal alloy, making plastic working difficult. Manufacture involves obtaining alloy powder by atomizing molten metal, using a precious metal alloy as an intermediate layer and cladding Ti on its surface, or vice versa, using Ti as an intermediate layer and cladding a precious metal alloy on its surface. Ta. However, the Ti-containing powder brazing filler metal obtained in the form of powder has limited uses due to its shape, and has not been able to satisfy the needs of many users. On the other hand, although Ti composite brazing filler metal, which is made by cladding Ti and precious metal alloys, is effective for plastic working, it is difficult for Ti and precious metal alloys to melt and form an alloy during brazing. There were problems in that it was time consuming and caused segregation. (Purpose of the Invention) The present invention has been made to solve these problems, and it is easy to plastically work, completes alloying in a short time during brazing, and has a uniform structure after becoming an alloy. The purpose of the present invention is to provide a method for manufacturing a Ti-containing composite brazing filler metal that does not cause segregation to the extent that it adversely affects bonding strength. (Structure of the Invention) The method for producing a Ti-containing composite brazing filler metal of the present invention includes
A noble metal alloy containing an element that forms an intermetallic compound and a clad wire with Ti are cut into a certain size, and the wires are bundled and compression molded in the axial direction of the bundle and sintered twice or more. After that, wires are formed by hot extrusion or plastic working by swaging, rolling, or drawing.
A tape or plate-like material is obtained. By passing through this step, Ti is uniformly dispersed in the noble metal alloy in the form of fibers in the state of a single metal, so that no intermetallic compound is formed between the elements in the noble metal alloy and Ti. Even if it were formed, it would only be a surface layer of Ti, so it could be easily drawn or rolled and finished into any size without losing its plastic workability. Moreover, by repeating compression and sintering two or more times, a composite brazing filler metal containing Ti that is dispersed in finer fibers can be produced. Using this Ti-containing composite brazing filler metal, Ti, Ti alloy,
When ceramics etc. are brazed, Ti is uniformly dispersed in the precious metal alloy, so molten alloying is completed in a short time, the structure after brazing has extremely little segregation, and the bonding strength is the same as that of conventional methods. This is a significant improvement compared to the above. Next, specific examples and conventional examples will be described in order to clarify the effects of the method for manufacturing a Ti-containing composite brazing filler metal according to the present invention. (Example) A Ti rod with a core diameter of 16.5φmm has an inner diameter of 16.5φmm and an outer diameter of 50mm.
This billet was press-fitted into a 28% Ag-Cu pipe, and the billet was hot extruded to form a composite wire of 12 φ mm of Ti-containing Ag-Cu 28%, which was further reduced to 2 φ mm by serging and drawing. Cut this to 70mm,
The bundle was put into a 30 mm square mold with a depth of 70 mm, compression molding and sintering were repeated four times, and then rolled to a thickness of 0.3 mm, which was then cut into 4.5 mm width pieces using a slitter. Got the tape. (Conventional example) Thickness on both sides of Ti tape with thickness of 1.05mm and width of 7mm
Ag-Cu28% tapes of 4.5 mm and width 7 mm were joined by welding to form a sandwich-shaped tape, which was annealed and rolled repeatedly to a thickness of 0.3 mm.
As a final finish, a tape with a width of 4.3 mm was obtained using a slitter. These tapes were used as a brazing material to braze Ti rods of 2 mm x 1.5 mm square as lap joints, and the cross-sectional structure was observed under a microscope for segregation and a joint strength comparison test was conducted, as shown in the table below. I got good results.

【表】 上記の表から明らかなように本発明の方法によ
るろう材は従来の方法によるろう材に比べ接合強
さが大きく、ろう付後の偏析も少ないことが判
る。 なお、実施例ではTi芯にし、外周側に貴金属
合金を配したクラツド線を使用したが、本発明は
これに限るものではなく、貴金属合金を芯にし、
外周側にTiを配したクラツド線を使用してもよ
いものである。 (発明の効果) 以上説明した如く本発明の方法は、金属間化合
物を作らないので、塑性加工が容易で如何なる形
状のろう材も簡単に製作でき、また貴金属合金中
にTiが一定間隔に繊維状に分散した複合ろう材
が得られるので、ろう付時の合金化も短時間で済
みろう付け後の偏析も極めて少ないろう材が得ら
れる。
[Table] As is clear from the above table, the brazing filler metal produced by the method of the present invention has greater bonding strength and less segregation after brazing than the brazing filler metal produced by the conventional method. In addition, in the example, a clad wire with a Ti core and a noble metal alloy on the outer periphery was used, but the present invention is not limited to this.
A clad wire with Ti arranged on the outer periphery may also be used. (Effects of the Invention) As explained above, the method of the present invention does not create intermetallic compounds, so plastic working is easy and brazing filler metal of any shape can be easily produced. Since a composite brazing filler metal dispersed in a uniform shape can be obtained, alloying during brazing can be completed in a short time, and a brazing filler metal with extremely low segregation after brazing can be obtained.

Claims (1)

【特許請求の範囲】[Claims] 1 Tiと金属間化合物を生成する元素を含有す
る貴金属合金及びTiとのクラツド線を一定の寸
法に切断し、該線材を束ねて、束の軸方向への圧
縮成形、焼結を繰返した後、熱間押出またはスエ
ージ、圧延、引抜きでの塑性加工により板、テー
プ又は線状とすることを特徴とするTi入り複合
ろう材の製造方法。
1 After cutting a noble metal alloy containing an element that forms an intermetallic compound with Ti and a clad wire with Ti to a certain size, bundling the wires, and repeating compression molding in the axial direction of the bundle and sintering. A method for producing a Ti-containing composite brazing filler metal, which comprises forming it into a plate, tape, or wire by hot extrusion, swaging, rolling, or drawing.
JP20609384A 1984-10-01 1984-10-01 Production of ti-containing composite brazing filler metal Granted JPS6186096A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20609384A JPS6186096A (en) 1984-10-01 1984-10-01 Production of ti-containing composite brazing filler metal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20609384A JPS6186096A (en) 1984-10-01 1984-10-01 Production of ti-containing composite brazing filler metal

Publications (2)

Publication Number Publication Date
JPS6186096A JPS6186096A (en) 1986-05-01
JPH0479757B2 true JPH0479757B2 (en) 1992-12-16

Family

ID=16517688

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20609384A Granted JPS6186096A (en) 1984-10-01 1984-10-01 Production of ti-containing composite brazing filler metal

Country Status (1)

Country Link
JP (1) JPS6186096A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3546002B2 (en) * 2000-08-29 2004-07-21 株式会社日立ユニシアオートモティブ Manufacturing method of valve timing control device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5538225A (en) * 1978-08-28 1980-03-17 Ishikawajima Harima Heavy Ind Underground storage tank
JPS58116993A (en) * 1981-12-29 1983-07-12 Tokuriki Honten Co Ltd Production of blank material of noble metal containing core of brazing filler metal

Also Published As

Publication number Publication date
JPS6186096A (en) 1986-05-01

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