JPH0255694A - Brazing filler metal for ti - Google Patents

Brazing filler metal for ti

Info

Publication number
JPH0255694A
JPH0255694A JP20674788A JP20674788A JPH0255694A JP H0255694 A JPH0255694 A JP H0255694A JP 20674788 A JP20674788 A JP 20674788A JP 20674788 A JP20674788 A JP 20674788A JP H0255694 A JPH0255694 A JP H0255694A
Authority
JP
Japan
Prior art keywords
brazing
alloy
filler metal
core material
brazing filler
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
Application number
JP20674788A
Other languages
Japanese (ja)
Inventor
Yasuyuki Nakamura
恭之 中村
Kounosuke Yamauchi
山内 鴻之祐
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.)
Proterial Ltd
Original Assignee
Sumitomo Special Metals Co Ltd
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 Sumitomo Special Metals Co Ltd filed Critical Sumitomo Special Metals Co Ltd
Priority to JP20674788A priority Critical patent/JPH0255694A/en
Publication of JPH0255694A publication Critical patent/JPH0255694A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To improve brazing property by using a Ti material as a core material and coating the material with Ni or Ni alloy and if necessary, using the Ni or Ni alloy as the core material and further, forming Ag plating layers on the respective outer peripheral surfaces. CONSTITUTION:The Ti material as the core material 2 is coated with the Ni alloy material contg. <=80wt.% Ni or Cu as a sheath material 3 and further, the outer peripheral surface of the sheath material 3 is formed with the Ag plating layer 4 to obtain the brazing filler metal 1. The Ni or the Ni alloy contg. <=80% Cu is used as the core material 11 at need and further, the Ag plating material 12 is plated on the outer peripheral surface thereof to obtain the brazing filler metal 10. The Ti core material 2 decreases the amt. of the Ti to be melted and improves the joint strength if brazing is executed by using the brazing filler metal 1 or the brazing filler metal 10. The Ag plating layers 4, 12 on the outermost layer prevent the formation of the coarser crystal grains of the materials to be welded. The brazing property of the Ti material is improved in this way.

Description

【発明の詳細な説明】 利用産業分野 この発明は、Ti用ろう材、特に、Ti製メガネフレー
ムのろう付けに最適で作業性にすぐれ高い接着強度が得
られるTi用ろう材に係り、Ti芯材にNi合金外皮材
を設け、さらに最外層にAgめっき層を設けた複合線材
あるいは前記Ni合金を芯材として最外層にAgめっき
層を設けることにより、低温度で能率よく接合できるT
i用ろう材に関する。
DETAILED DESCRIPTION OF THE INVENTION Field of Application This invention relates to a brazing filler metal for Ti, and in particular to a brazing filler metal for Ti that is suitable for brazing Ti eyeglass frames, has excellent workability, and provides high adhesive strength. By providing a composite wire material with a Ni alloy outer skin material and further providing an Ag plating layer on the outermost layer, or using the Ni alloy as a core material and providing an Ag plating layer on the outermost layer, T can be efficiently joined at low temperatures.
Regarding brazing filler metal for i.

背景技術 一般に、メガネフレーム材には、すぐれた耐食性並びに
軽量でばね性に富み、さらに光沢性等の美観にすぐれて
いることが要望されている。
BACKGROUND ART In general, eyeglass frame materials are required to have excellent corrosion resistance, be lightweight, have high spring properties, and have excellent aesthetic appearance such as gloss.

かかる要求を満足する材料として、近年、Tiがメガネ
フレーム材として使用されるようになった。
In recent years, Ti has come to be used as a material for eyeglass frames as a material that satisfies such requirements.

しカル、Tiには多くの利点はあるが、ろう付は性に問
題があり、製造性が悪くコストが高し1問題があった。
Although Ti has many advantages, it has problems with brazing properties, poor manufacturability, and high cost.

このためTi用ろう材として、Tiを用いた合金材が提
案されているが、充分なろう付は性が得られず、メガネ
フレーム材のコスト上昇を招来しており、コスト低減が
要望されている。
For this reason, an alloy material using Ti has been proposed as a brazing filler metal for Ti, but sufficient brazing properties cannot be obtained and the cost of eyeglass frame materials increases, and cost reduction is desired. There is.

発明の目的 この発明は、Tiメガネフレーム材へのろう付は性にす
ぐれ、ろう付は後の機械的強度の向上が得られるTi用
ろう材の提供を目的としている。
OBJECT OF THE INVENTION The object of the present invention is to provide a brazing filler metal for Ti that has excellent properties when brazed to a Ti eyeglass frame material and improves mechanical strength after brazing.

発明の概要 発明者らは、Tiメガネフレームのコスト低M化を計る
ため、Tiメガネフレーム材へのろう付は性にすぐれた
ろう材を種々検討した結果、芯材にTi材を、外皮材に
Ni材またはNi合金を用い、さらに外皮材の外周面、
すなわち、最外層にAgめっき層を形成した複合線材が
、Ti材をメガネフレームに加工する際のろう材として
、すぐれたろう付は性を発揮すること、特に、最外層に
Agめっき層を設けることにより、該ろう材の融点を低
下させ、短時間に効率よくろう付けを完了させることが
できるため、Tiメガネフレーム本体のろう付は後の結
晶粒の粗大化が防止でき、機械的強度の向上を図ること
ができることを知見した。
Summary of the Invention In order to reduce the cost of Ti eyeglass frames, the inventors investigated various brazing materials with excellent properties for brazing to Ti eyeglass frame materials, and as a result, they decided to use Ti for the core material and for the outer skin material. Using Ni material or Ni alloy, the outer peripheral surface of the outer skin material,
In other words, a composite wire with an Ag plating layer formed on the outermost layer exhibits excellent brazing properties as a brazing material when processing Ti material into eyeglass frames, and in particular, providing an Ag plating layer on the outermost layer. By lowering the melting point of the brazing filler metal, it is possible to complete brazing efficiently in a short time, which prevents the crystal grains from becoming coarser after brazing the Ti glasses frame body, and improves mechanical strength. We found that it is possible to achieve this goal.

すなわち、この発明は、 Ti材を芯材とし、該芯材の外周面に外皮材としてNi
またはCu 80%以下含有のNi合金を被覆するとと
もに、さらに外皮材の外周面にAgめっき層を形成した
ことを特徴とするTi用ろう材であり、さらに、 NiまたはCu 80%以下含有のNi合金を芯材とし
、該芯材の外周面にAgめっき層を形成したことを特徴
とするTi用ろう材である。
That is, the present invention uses a Ti material as a core material, and a Ni material as an outer skin material on the outer peripheral surface of the core material.
Or a brazing filler metal for Ti characterized by being coated with a Ni alloy containing 80% or less of Cu and further forming an Ag plating layer on the outer peripheral surface of the outer skin material, and further comprising Ni or Ni alloy containing 80% or less of Cu. This brazing material for Ti is characterized by using an alloy as a core material and forming an Ag plating layer on the outer peripheral surface of the core material.

発明の好ましい実施態様 この発明において、複合線材の芯材にTiを用いるのは
、ろう付は時の被溶接材たるTiの溶融量を極力低減さ
せ、機械的強度だけでなく、接合部形状等の点において
もすぐれたろう付けができるためであり、特に、接合部
における接着強度の向上とともに耐食性を付与するのに
有効である。
Preferred Embodiments of the Invention In this invention, the reason why Ti is used as the core material of the composite wire is to minimize the amount of melted Ti, which is the material to be welded, during brazing, and improve not only mechanical strength but also the shape of the joint. This is because excellent brazing can be achieved in terms of the above, and it is particularly effective in improving adhesive strength and imparting corrosion resistance at joints.

この発明のろう材において、外皮材のNiまたはCu−
Ni合金は、Tiの融点を低下させる効果を有するため
、Tiメガネフレーム本体等の被溶接材のTiの接合部
でTiとすぐ反応し、特に、Cuを含有するNi合金は
、最外層のAgめっき層との反応によって一層融点が低
くなるため、被溶接材の結晶粒の粗大化を防止し、すぐ
れたろう付は性を発揮することができる。
In the brazing material of this invention, Ni or Cu-
Since Ni alloy has the effect of lowering the melting point of Ti, it reacts immediately with Ti at the Ti joint of the material to be welded, such as the main body of Ti eyeglass frames. Since the melting point is further lowered by the reaction with the plating layer, coarsening of the crystal grains of the welded material is prevented, and excellent brazing properties can be achieved.

また、外皮材は、このろう材を製造する際に行なう熱処
理時に、芯材のTiへのガス雰囲気の影響を避ける効果
を有する。
Further, the outer skin material has the effect of avoiding the influence of the gas atmosphere on the Ti of the core material during the heat treatment performed when manufacturing this brazing material.

この発明において、ろう材の最外層に形成するAgめっ
き層は、後述するいずれの構成のろう材においても、構
成組成と反応し、ろう材の融点を低下させる効果を有す
るため被着する。
In the present invention, the Ag plating layer formed on the outermost layer of the brazing filler metal reacts with the constituent composition of any of the brazing filler metals described below and adheres thereto because it has the effect of lowering the melting point of the brazing filler metal.

かかる効果を有するAg層は、ろう材の製造効率、経済
性等を合せて考慮するに、めっきにより、1〜10νm
の層厚さで各複合線材の最外層に設けることが望ましい
Considering the production efficiency and economic efficiency of the brazing material, the Ag layer having such an effect can be formed by plating with a thickness of 1 to 10 νm.
It is desirable to provide the outermost layer of each composite wire with a layer thickness of .

この発明において、特に、Ti製メガネフレーム本体等
の被溶接材を少量のろう材にてろう付けをする場合、あ
るいは小面積での接合、さらに点接合する等の場合には
、芯材のTi量を下記の断面積比より大幅に少なくして
も、すぐれたろう付は性を発揮することができ、さらに
は、Tiを用いることなく、前記外皮材のNiまたはC
u80%以下含有のNi合金を芯材として、外周面にA
gめっき層を設けた構成のろう材が、ろう付は作業性や
接合強度にすぐれている。
In this invention, in particular, when brazing materials to be welded such as Ti eyeglass frame bodies with a small amount of brazing metal, or when joining in a small area or point joining, it is necessary to Even if the amount is significantly lower than the cross-sectional area ratio shown below, excellent brazing performance can be achieved.
A Ni alloy containing u80% or less is used as the core material, and A on the outer peripheral surface.
A brazing filler metal with a plating layer has excellent workability and bonding strength.

また、この発明のCu−Ni合金において、Cuが80
wt%を超えると、Tiの融点を低下させる効果がなく
、かつ耐食性を劣化させるので好ましくない。該合金の
好ましい組成範囲は、Cuは30〜75wt%、Niは
25〜70wt%である。
Further, in the Cu-Ni alloy of the present invention, Cu is 80
If it exceeds wt%, it is not preferable because it has no effect of lowering the melting point of Ti and deteriorates corrosion resistance. The preferable composition range of the alloy is 30 to 75 wt% of Cu and 25 to 70 wt% of Ni.

さらに、この発明による複合線ろう材において、Ti芯
材と該複合線材の断面積比、すなわち、最外層に形成す
るAgめっき層を除く複合線材の断面積に占めるTi芯
材の断面積比は65%以下が好ましく、65%を超える
場合は、外皮材のNi量またはCu80wt%以下含有
のNi合全全量少なくなって、Tiの融点の低下に十分
な効果が得られないため、前記断面積比を65%以下に
限定する。特に、Tiの効果を得るためには、前記断面
積比を25%以上にするのが好ましい。
Furthermore, in the composite wire brazing material according to the present invention, the cross-sectional area ratio of the Ti core material to the composite wire material, that is, the cross-sectional area ratio of the Ti core material to the cross-sectional area of the composite wire material excluding the Ag plating layer formed as the outermost layer is 65% or less is preferable, and if it exceeds 65%, the amount of Ni in the outer skin material or the total amount of Ni containing 80 wt% or less of Cu decreases, and a sufficient effect in lowering the melting point of Ti cannot be obtained. Limit the area ratio to 65% or less. In particular, in order to obtain the effect of Ti, it is preferable that the cross-sectional area ratio be 25% or more.

この発明によるろう材は、例えば、以下の製造方法にて
得られる。
The brazing material according to the present invention can be obtained, for example, by the following manufacturing method.

Ti芯材を用いる場合は、種々の製造方法が考えられる
が、特に、造管ミルを用いた製造方法が工業的規模にお
いて、生産性良くこの発明のろう材を得ることができる
When using a Ti core material, various manufacturing methods can be considered, but in particular, a manufacturing method using a tube mill can yield the brazing filler metal of the present invention with good productivity on an industrial scale.

コイル状Ni板またはCu80wt%以下含有のNi合
金板を巻戻し、これを成形ロールにて走行中に管状に成
形するが、外皮材の上方より同走行方向にコイル状Ti
線を巻戻しながら、管状への成形途上の外皮材中に挿入
しながら成形し、管状体の突合せ端部をプラズマアーク
等により溶接する。この際、Ti芯材と該複合線材の直
径比を415以下にすると、前記の断面積比となる。
A coiled Ni plate or a Ni alloy plate containing 80 wt% or less of Cu is unwound and formed into a tubular shape while running with forming rolls.
The wire is unwound and inserted into the shell material that is being formed into a tubular shape, and the butt ends of the tubular body are welded by plasma arc or the like. At this time, when the diameter ratio of the Ti core material and the composite wire is set to 415 or less, the above-mentioned cross-sectional area ratio is achieved.

さらに、伸管加工して、芯材のTi材と外皮材のNi材
またはCu80wt%以下含有のNi合金材を圧着し、
所要線径に線引加工し、例えば、その断面形状が平角状
になる如く、平角圧延して、連続Agめっきを施すこと
によって、所要形状、寸法のろう材を得ることができる
Furthermore, by pipe drawing processing, the core material Ti material and the outer skin material Ni material or Ni alloy material containing 80 wt% or less of Cu are bonded together,
A brazing filler metal of a desired shape and size can be obtained by drawing the wire to a desired wire diameter, rolling it into a rectangular shape so that its cross-sectional shape becomes rectangular, and then applying continuous Ag plating.

また、Ti芯材を用いない場合は、芯材となるNiまた
はCu−Ni合金からなり断面形状が円形、長方形等か
らなる線材に、連続Agめっきを施すことによって容易
に製造することができる。
When a Ti core material is not used, it can be easily manufactured by continuously plating a wire rod made of Ni or a Cu-Ni alloy and having a circular or rectangular cross-sectional shape as the core material.

実施例 実施例1 板厚0.2mm、板幅12.8mmの30%Ni−70
%Cu合金帯を巻戻しながら、走行中に成形ロールによ
り管状に成形するに際し、前記Ni−Cu合金帯材上方
より、径1.2mmのTi線を巻戻しながら、前記Ni
−Cu合金帯の成形途上の管状体中に挿入し、さらに、
前記Ni−Cu管状体の突合せ端部を、溶接電流50A
、速度IUm/minの条件のプラズマアークにて溶接
して複合材となした。
Examples Example 1 30% Ni-70 with a plate thickness of 0.2 mm and a plate width of 12.8 mm.
% Cu alloy strip is unwound and formed into a tubular shape by forming rolls while running, a Ti wire with a diameter of 1.2 mm is unwound from above the Ni-Cu alloy strip material while the Ni-Cu alloy strip is being rolled back.
- Insert the Cu alloy strip into the tubular body that is in the process of being formed, and further,
The abutting ends of the Ni-Cu tubular body were welded with a welding current of 50 A.
A composite material was obtained by welding using a plasma arc at a speed of IUm/min.

さらに、伸管加工して、芯材のTi材と外皮材のNi−
Cu合会合材圧着し、ついで伸線加工した後、連続Ag
めっき処理を施し、第1図aに示す如く、芯材(2〉の
Tiが0.08mm、外皮材(3)のNi−Cu合合金
炉0.01mm、最外層のAgめっき層(4)厚が5p
mからなる厚み0.11mmの平角複合線材のろう材(
1)を得た。
Furthermore, by pipe drawing, the core material of Ti material and the outer skin material of Ni-
After crimping the Cu aggregation material and then wire drawing, continuous Ag
After plating, as shown in Figure 1a, the core material (2) has a Ti of 0.08 mm, the outer skin material (3) has a Ni-Cu alloy furnace of 0.01 mm, and the outermost Ag plating layer (4). Thickness is 5p
Brazing filler metal of rectangular composite wire with a thickness of 0.11 mm consisting of m (
1) was obtained.

前記複合線材より面積20mm2のろう材試験片(5)
を採取し、長さ100皿×幅20mm寸法の2枚のTi
板(6)C6)を重ねてその間に、前記ろう材試験片(
5)を介在し、アルゴンガス雰囲気中にて、930℃、
IHrの加熱を施して接着した後、第2図に示す如く、
2枚のTi板(6)(6)を各々反対方向に引っ張る条
件にて剪断強度試験を行った。その結果を第1表に表す
Brazing metal test piece (5) with an area of 20 mm2 from the composite wire rod
2 Ti plates with dimensions of 100 plates in length x 20 mm in width.
Stack the plates (6) C6) and place the brazing metal test piece (
5) in an argon gas atmosphere at 930°C,
After applying IHr heating and bonding, as shown in Figure 2,
A shear strength test was conducted under the condition that the two Ti plates (6) (6) were pulled in opposite directions. The results are shown in Table 1.

また、比較のために、ろう材としてAgろうを用い、T
i板同志を980”CにIHr加熱した場合と、ろう材
としてAg−A1合金を用いて、900℃にIHr加熱
した場合の剪断強度試験を同一条件にて行った。その試
験結果を第1表に表す。
For comparison, Ag solder was used as the filler metal, and T
Shear strength tests were conducted under the same conditions when the i-plates were heated by IHr to 980"C and when they were heated by IHr to 900"C using Ag-A1 alloy as a brazing material. Express in a table.

実施例2 径0.4mmのNi−Cu合金線を巻戻しながら、成形
ロールにより厚み0.1mmの平角線材に成形し、さら
に、連続Agめっき処理を施し、第1図すに示す如く、
芯材(11)のNi−Cu合金が0.1mm、最外層の
Agめっき層(12)厚が5pmからなる厚み0.11
mmの平角複合線材のろう材(1o)を得た。
Example 2 A Ni-Cu alloy wire with a diameter of 0.4 mm was unwound and formed into a rectangular wire with a thickness of 0.1 mm using forming rolls, and then subjected to continuous Ag plating treatment, as shown in Figure 1.
The core material (11) has a Ni-Cu alloy of 0.1 mm, and the outermost Ag plating layer (12) has a thickness of 5 pm.Thickness: 0.11
A brazing material (1o) of rectangular composite wire of mm was obtained.

前記複合線材より面積20mm2のろう材試験片を採取
し、長さ100mmX幅2軸皿寸法の2枚のTi平板を
重ねて、その間に前記ろう材試験片を介在し、アルゴン
ガス雰囲気中にて、930 ’C1IHrの加熱ヲ施し
て接着した後、実施例1と同様に2枚のTi平板を各々
反対方向に引っ張る条件にて剪断強度試験を行った。そ
の結果を第1表に表す。
A brazing metal test piece with an area of 20 mm2 was taken from the composite wire rod, two Ti flat plates with a length of 100 mm and a width of a biaxial plate were stacked, the brazing metal test piece was interposed between them, and the brazing metal test piece was placed in an argon gas atmosphere. , 930'C1IHr for adhesion, and then a shear strength test was conducted under the condition that the two Ti flat plates were pulled in opposite directions in the same manner as in Example 1. The results are shown in Table 1.

第1表 発明の効果 実施例より明らかな如く、加熱温度が950″C以下と
低く、ろう付は作業性にすぐれ、高い接着強度が得られ
、Ti製メガネフレームのろう付けに最適なTi用ろう
材であることが分かる。
As is clear from the Examples of Effects of the Invention in Table 1, the heating temperature is as low as 950''C or less, the brazing workability is excellent, high adhesive strength is obtained, and Ti is ideal for brazing Ti eyeglass frames. It can be seen that it is a brazing material.

説明図である。It is an explanatory diagram.

第2図は剪断強度試験条件を示すTi板の説明図である 1、10・・・ろう材、2,11・・・芯材、3・・・
外皮材、4.12・・・Agめっき層、5・・・ろう材
試験片、6・・・Ti板。
FIG. 2 is an explanatory diagram of a Ti plate showing shear strength test conditions. 1, 10... brazing metal, 2, 11... core material, 3...
Outer skin material, 4.12...Ag plating layer, 5...Brazing metal test piece, 6...Ti plate.

Claims (1)

【特許請求の範囲】 1 Ti材を芯材とし、該芯材の外周面に外皮材としてNi
またはCu80%以下含有のNi合金を被覆するととも
に、さらに外皮材の外周面にAgめっき層を形成したこ
とを特徴とするTi用ろう材。 2 NiまたはCu80%以下含有のNi合金を芯材とし、
該芯材の外周面にAgめっき層を形成したことを特徴と
するTi用ろう材。
[Claims] 1. Ti material is used as a core material, and Ni material is used as an outer skin material on the outer peripheral surface of the core material.
Alternatively, a brazing filler metal for Ti, which is coated with a Ni alloy containing 80% or less of Cu, and further has an Ag plating layer formed on the outer peripheral surface of the outer skin material. 2 Using Ni or a Ni alloy containing 80% or less of Cu as a core material,
A brazing filler metal for Ti, characterized in that an Ag plating layer is formed on the outer peripheral surface of the core material.
JP20674788A 1988-08-19 1988-08-19 Brazing filler metal for ti Pending JPH0255694A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20674788A JPH0255694A (en) 1988-08-19 1988-08-19 Brazing filler metal for ti

Publications (1)

Publication Number Publication Date
JPH0255694A true JPH0255694A (en) 1990-02-26

Family

ID=16528430

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
JP (1) JPH0255694A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003092325A1 (en) * 2002-04-26 2003-11-06 Tayca Corporation Composite piezoelectric vibrator

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61269997A (en) * 1985-05-25 1986-11-29 Nippon Gakki Seizo Kk Brazing material for titanium material
JPS62187592A (en) * 1986-02-12 1987-08-15 Tanaka Kikinzoku Kogyo Kk Clad solder

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61269997A (en) * 1985-05-25 1986-11-29 Nippon Gakki Seizo Kk Brazing material for titanium material
JPS62187592A (en) * 1986-02-12 1987-08-15 Tanaka Kikinzoku Kogyo Kk Clad solder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003092325A1 (en) * 2002-04-26 2003-11-06 Tayca Corporation Composite piezoelectric vibrator

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