JPS63149090A - Method for joining metallic materials of different kind - Google Patents
Method for joining metallic materials of different kindInfo
- Publication number
- JPS63149090A JPS63149090A JP29337986A JP29337986A JPS63149090A JP S63149090 A JPS63149090 A JP S63149090A JP 29337986 A JP29337986 A JP 29337986A JP 29337986 A JP29337986 A JP 29337986A JP S63149090 A JPS63149090 A JP S63149090A
- Authority
- JP
- Japan
- Prior art keywords
- materials
- joining
- dissimilar
- different kind
- joined
- 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.)
- Granted
Links
- 238000005304 joining Methods 0.000 title claims abstract description 29
- 239000007769 metal material Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims description 24
- 239000000463 material Substances 0.000 claims abstract description 109
- 239000002184 metal Substances 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 150000002739 metals Chemical class 0.000 claims abstract description 12
- 239000002131 composite material Substances 0.000 claims description 26
- 238000009941 weaving Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 230000013011 mating Effects 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 9
- 238000003466 welding Methods 0.000 description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 239000002905 metal composite material Substances 0.000 description 3
- 238000004880 explosion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000010953 base metal Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000012733 comparative method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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
- B23K35/001—Interlayers, transition pieces for metallurgical bonding of workpieces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Laminated Bodies (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
この発明は、接合する相手材の種類に制限されることな
く、異種金属材同士をコスト安く強固に接合する方法に
関するものである。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a method for strongly joining dissimilar metal materials at low cost without being limited by the type of mating materials to be joined.
〈背景技術〉
近年、異種材料が有するそれぞれの特性を兼備した材料
の実現を月相して様々な複合材料が堤案されており、例
えば異種金属材同士を接合する手段にも“爆着法”、“
圧延法”或いは“拡散接合法”等各種の方法が検討され
実用されるようになってきた。<Background technology> In recent years, various composite materials have been proposed with the aim of realizing materials that combine the characteristics of different materials. ”,“
Various methods such as "rolling method" and "diffusion bonding method" have been studied and put into practical use.
そして、異種金属複合材の場合は、その特性が最も良（
発揮されるのが「広い面で異種金属材間が接合されてい
る部材」であることもあって、従来、異質金属複合材の
製造には前記したような冶金的方法による接合手段ばか
りが検討されてきたきらいがあった。In the case of dissimilar metal composites, their properties are the best (
Since the material to be used is a "member in which dissimilar metal materials are joined over a wide area," conventionally only metallurgical joining methods such as those mentioned above have been considered for the production of dissimilar metal composites. I hated being treated like that.
しかしながら、異種金属材同士を“爆着法”等のような
大掛かりな設備等を必要とすることのない冶金的方法に
よって接合しようとすると、接合界面に金属間化合物等
から成る極めて脆い異相が生成して強固な接合が阻害さ
れることが多く、従って接合相手材を広い範囲から選択
することが困難であるとの問題があった。もっとも、こ
れらを解消するために予め“爆着法”等によって作成し
ておいた薄いクラツド材を複合中間材として異材接合を
行う試みもなされているが、この場合であっても複合中
間材における材料の組合わせに制限がある上、中間材の
製造コストが高くなるとの不都合があり、十分な成果を
挙げ得ないのが現状であった。However, when attempting to join dissimilar metal materials using a metallurgical method that does not require large-scale equipment such as "explosion bonding", an extremely brittle heterogeneous phase consisting of intermetallic compounds etc. is generated at the bonding interface. There is a problem in that strong bonding is often inhibited by the bonding process, and it is therefore difficult to select a material to be bonded from a wide range. However, in order to solve these problems, attempts have been made to join dissimilar materials using a thin clad material made in advance by the "explosion bonding method" etc. as a composite intermediate material, but even in this case, the composite intermediate material Currently, sufficient results cannot be achieved due to limitations on the combination of materials and the high cost of manufacturing intermediate materials.
〈問題点を解決するための手段〉
この発明は、従来の異種金属複合材製造方法に見られる
上述のような問題点を踏まえた上で、接合材料の組合わ
せに格別な制限がなく、しかも広い面での強固な接合が
可能なコストの安い異材接合法を提供すべく、様々な観
点から実験・検討を重ねた本発明者等の研究によりなさ
れたもので、「異種金属材間に、該異種金属のそれぞれ
から成る材料を含む機械的に組合わされた複合中間材を
介在せしめた後、冶金的接合法にて少な（とも同材同士
を接合させることによって、前記問題点を解消し、接合
相手材の種類を問わずに異種金属材同士をコスト安く広
い面で強固に接合し得るようにした」点、
に特徴を有するものである。<Means for Solving the Problems> The present invention takes into account the above-mentioned problems found in conventional methods for producing dissimilar metal composite materials, and has been developed to solve the problems without any particular restrictions on the combination of bonding materials. This was done through the research of the present inventors, who conducted repeated experiments and studies from various viewpoints in order to provide a low-cost method of joining dissimilar metals that is capable of strong joining over a wide area. After interposing a mechanically combined composite intermediate material containing materials made of each of the dissimilar metals, the above-mentioned problems can be solved by joining the same materials together using a metallurgical joining method. It is characterized by the ability to firmly join dissimilar metal materials over a wide area at low cost, regardless of the type of material to be joined.
ここで、ｒ金属Ｊとは合金をも含むと解すべきであり、
また「異種金属材料を機械的に組合わせた複合中間材」
としては、第１図に示されるような“異質線材Ａ及びＢ
を嵯り合わせたもの（線材Ａ及び線材Ｂは、それぞれ接
合金属材の一方と同種材質である）”、第２図に示され
るような“異質線材Ａ及びＢを縦横に交叉させて織り上
げた網状体”或いは第３図に示されるような″２種以上
の異質材料Ａ、Ｂ及びＣを３方向に交叉させて織り上げ
た網状体”等、［接合する異種金属のそれぞれから成る
材料を含み、縒り、織り、絡み、その他によって機械的
に組合わされた複合中間材−］の何れをも含むものであ
る。そして、「接合する異種金属のそれぞれから成る材
料」とは、接合する異種金属と全く同一である材料ばか
りを意味するのではなく、これら金属が純金属の場合は
その合金を、そしてこれら金属が合金の場合はその基と
なるものの純金属等、「接合する異種金属の少なくとも
何れかと冶金的接合をし易い材料」として捕らえるべき
である。更に、「冶金的接合法ｊとは、拡散接合、抵抗
溶接、超音波溶接、圧延による圧接等の何れをも含めて
意味するものである。Here, r metal J should be understood to include alloys,
Also, "composite intermediate material that mechanically combines different metal materials"
As shown in FIG.
(Wire A and Wire B are each made of the same material as one of the metal materials to be joined)," as shown in Figure 2. ``Network'' or ``Network woven by intersecting two or more different materials A, B, and C in three directions,'' as shown in Figure 3, [including materials made of each of the different metals to be bonded] , composite intermediate materials that are mechanically combined by twisting, weaving, intertwining, etc.].The term "materials made of each of dissimilar metals to be joined" refers to materials that are exactly the same as the dissimilar metals to be joined. It does not only refer to materials that are pure metals, but also refers to their alloys when these metals are pure metals, and the pure metals of the base metals when these metals are alloys. It should be regarded as a material that is easy to bond with. Furthermore, ``metallurgical joining method j'' includes any of diffusion bonding, resistance welding, ultrasonic welding, pressure welding by rolling, etc.
さて、第４図は、この発明の異材接合法を模式的に説明
した概略図であるが、まず、材質Ａ及びＢから成る互い
に異種の金属材１及び２の間に、それぞれ材質Ａ及びＢ
から成る線材３及び４を機械的に組合わせた複合中間材
５ （この場合は縦横に交叉させて織り上げた網状体）
を介在せしめた後〔第４図Ｔａｇ）、これらに加熱・押
圧による拡散接合等の冶金的接合処理を施すと主として
同種材同士が強固に接合し〔第４図（ｂｌ）、第４図（
Ｃ）で示す部分拡大図の如くに複合中間材５における機
械的結合と相俟って異種金属材ｌと２とが強固に接合す
ることとなる。Now, FIG. 4 is a schematic diagram schematically explaining the dissimilar metal joining method of the present invention. First, between mutually dissimilar metal materials 1 and 2 made of materials A and B,
Composite intermediate material 5 mechanically combining wire rods 3 and 4 consisting of (in this case, a net-like body woven by crisscrossing in the vertical and horizontal directions)
After interposing [Fig. 4 (Tag)], metallurgical bonding treatment such as diffusion bonding by heating and pressing is performed on these materials, and mainly similar materials are firmly joined [Fig. 4 (bl), Fig. 4 (
As shown in the partially enlarged view shown in C), the dissimilar metal materials 1 and 2 are firmly joined together with the mechanical connection in the composite intermediate material 5.
このように、この発明の接合方法では、異材質の表面同
士を直接的に接合させることを前症としたものではなく
、異材同士が交叉等により強固な機械的結合をなしてい
る中間材を用い、各々の被接合材と材質を同じくする中
間材とを互いに冶金的方法にて結合させることで得られ
る「強固な同種材の冶金的結合効果と中間材における強
固な機械的結合効果とが結合した相互効果」を活用した
もので、極めて強固な異材接合を簡単に実現することが
できる。In this way, the joining method of the present invention does not involve directly joining surfaces of dissimilar materials, but instead uses an intermediate material in which dissimilar materials form a strong mechanical bond by crossing each other. By using a metallurgical method to bond each material to be joined and an intermediate material of the same material, it is possible to combine the strong metallurgical bonding effect of similar materials and the strong mechanical bonding effect of the intermediate material. This method takes advantage of the mutual effect of bonding, making it possible to easily create extremely strong joints of dissimilar materials.
この場合、冶金的接合処理により被接合材と中間材の中
の異種材料が冶金的に接合したとしても何ら差し支えが
なく、むしろ好ましいことは言うまでもない。In this case, there is no problem even if the dissimilar materials in the material to be joined and the intermediate material are metallurgically joined by metallurgical joining treatment, and it goes without saying that it is preferable.
ところで、第１図で示したような纏り合わせ材から成る
中間材は、比較的狭い部分の接合に適するので抵抗スポ
ット溶接等に向いているが、このような嵯り合わせ材を
幾組か拉べて使用すれば広い範囲の接合も可能である。By the way, the intermediate material made of interlocking materials as shown in Fig. 1 is suitable for joining relatively narrow parts, so it is suitable for resistance spot welding. If used separately, it is possible to join a wide range of areas.
また、第２図で示した如き、線材を縦横に交叉させて織
り上げた網状体から成る中間材は、抵抗シーム溶接等に
よる広い面同士の異材接合や、スポット溶接等で広い面
に異材の小部品を複数個取り付ける場合等に好適である
。In addition, as shown in Figure 2, an intermediate material consisting of a net-like body made by intersecting wire rods in the vertical and horizontal directions can be made by joining dissimilar materials on a wide surface by resistance seam welding, or by spot welding, etc. This is suitable when attaching multiple parts.
そして、第３図で示したような三方交叉網も第２図で示
したものと同様な利点を有しているが、例えば三番目の
方向の線材を一番目のものと同じＡ材質とすれば、Ａ材
質線材とＡ材質被接合材による接合点の数はＢ材質材の
それの２倍となるので、Ａ材質が接合強度の弱いもので
あってもそれによる不利を解消することができる。なお
、三番目の方向線にＡ材質とＢ材質を交互に用いれば接
合点数の比は１：１となって均衡を保ことができ、また
これらの中間的な比をとることも可能であるなど、双方
の被接合材と中間材との接合強度の調整が可能である。The three-way criss-cross net shown in Figure 3 also has the same advantages as the one shown in Figure 2, but for example, if the wire in the third direction is made of the same A material as the first one, For example, the number of joint points between the A material wire and the A material to be joined is twice that of the B material, so even if the A material has a weak joint strength, the disadvantage caused by this can be eliminated. . In addition, if material A and material B are used alternately on the third direction line, the ratio of the number of bonding points will be 1:1 and balance can be maintained, and it is also possible to take an intermediate ratio between these. It is possible to adjust the bonding strength between both materials to be joined and the intermediate material.
更に、三番目の方向の線材を第３の材ｔｃとすれば、３
種の材質の被接合材のうちの任意の２種の異材接合にこ
の複合中間材１種のみで対応することが可能となる上、
広い被接合材面の上にこれとは別の２種の材質の被接合
材を取り付けることにも利用することができる。加えて
、第３の材質Ｃで三番目の方向の線材を構成すると共に
、材質Ｃを異材接合と関係の無い触媒材１通電材、抵抗
加熱材、磁性材等とすれば、製品複合材にこれらの機能
を付与することも可能となる。Furthermore, if the wire in the third direction is the third material tc, then 3
It becomes possible to join any two types of dissimilar materials among the materials to be joined with only one type of composite intermediate material, and
It can also be used to attach two different types of materials to be joined on a wide surface of the materials to be joined. In addition, if the third material C constitutes the wire rod in the third direction, and if the material C is a catalyst material 1 conductive material, resistance heating material, magnetic material, etc. that is not related to dissimilar material joining, the product composite material It is also possible to provide these functions.
次いで、この発明の方法を実施例により具体的に説明す
るが、これはあくまでも１つの例に過ぎず、この実施例
によってこの発明が不当に制限されるものでないことは
言うまでもない。Next, the method of the present invention will be specifically explained with reference to examples, but these are merely examples, and it goes without saying that the present invention is not unduly limited by these examples.
〈実施例〉
まず、被接合材として各々厚さが１．２龍で幅が１０ｍ
の純チタン板と５ｔｌＳ３０４相当ステンレス鋼板とを
用意すると共に、複合中間材として直径が各々２ｎｉφ
の純チタン線と５ＵＳ３０４相当ステンレス鋼線とを嵯
り合わせた捩じり線を準備した。<Example> First, each material to be joined has a thickness of 1.2 mm and a width of 10 m.
A pure titanium plate and a stainless steel plate equivalent to 5tlS304 were prepared, and a composite intermediate material with a diameter of 2niφ was prepared.
A twisted wire was prepared by mating a pure titanium wire with a stainless steel wire equivalent to 5US304.
続いて、第５図に示す如く、本発明の方法に従って５Ｕ
Ｓ３０４相当ステンレス鋼板７と純チタン板８との間に
上記捩り線９を２末介在させてスポット溶接を行い、第
６図に模式図として示した如くにピーリング試験片を作
成した後、両接合材を双方から引っ張るピーリング試験
を実施した。Subsequently, as shown in FIG. 5, according to the method of the present invention, 5U
The above-mentioned twisted wire 9 is interposed at two ends between the S304 equivalent stainless steel plate 7 and the pure titanium plate 8, and spot welding is performed. After creating a peeling test piece as shown schematically in FIG. A peeling test was conducted in which the material was pulled from both sides.
一方、比較のため、前記純チタン板とＳＯ３３０４相当
ステンレス鋼板とを第７図に示す如くに複合中間材を介
在させることなくスポット溶接を行い、同様にピーリン
グ試験を実施した。On the other hand, for comparison, the pure titanium plate and a stainless steel plate equivalent to SO3304 were spot welded without intervening a composite intermediate material as shown in FIG. 7, and a peeling test was conducted in the same manner.
その結果、本発明の方法に従い複合涙じり線を介在させ
て異種材接合したものはピーリング強さ： １７０ｋｇ
ｆ／５ｐｏｔの十分な接合強度を示したのに対して、直
接スポット溶接した比較法による異種材接合材は手で人
為的に引っ張っても接合界面で脆性破壊するなど、ピー
リング試験片の作成が困難な程の接合強度しか示さなか
った。As a result, the peeling strength of the material bonded with dissimilar materials using the composite tear lines according to the method of the present invention was 170 kg.
On the other hand, the dissimilar materials joined by the comparative method of direct spot welding showed brittle fracture at the joint interface even when manually stretched, making it difficult to create peeling test pieces. It showed only a difficult level of bonding strength.
〈効果の総括〉
以上に説明した如く、この発明によれば、接合材料の組
合わせに何ら制限されることもなく、しかもコスト安く
異種金属材料を強固に接合することができ、これまで実
現が困難であった新しい複合材の提供が可能となるなど
、卒業上極めて有用な効果がもたらされるのである。<Summary of Effects> As explained above, according to the present invention, there is no restriction on the combination of joining materials, and dissimilar metal materials can be firmly joined at low cost, which is an improvement that has not been achieved until now. This will bring extremely useful effects, such as making it possible to provide new composite materials that have been difficult to develop.
第１図は、異質線材を縒り合わせて成る異種金属材料接
合用複合中間材の１例を示す概略図、第２図は、異質線
材縦横に交叉させて織り上げた綱状体から成る異種金属
材料接合用複合中間材の１例を示す概略図、
第３図は、２種以上の異質材料を３方向に交叉させて織
り上げた網状体から成る異種金属材料接合用複合中間材
の１例を示す概略図、
第４図は、本発明の異種金属材料接合法を模式的に説明
した概略図であり、第４膣（ａ）は接合素材組合わせの
位置関係を示した概略模式図、第４図（ｂｌは被接合材
と複合中間材との接合状態を示した概略模式図、第４図
（Ｃ）は被接合材同士が強固に接合される理由を模式的
に示した部分拡大図、第５図は、実施例における異種金
属材料接合時の様子を説明した概略模式図、
第６図は、実施例にて得られた異種金属接合複合材のピ
ーリング試験片の状態を示す概略模式図、第７図は、異
種金属材を直接スポット溶接する様子を示した概略模式
図である。
図面において、
１・・・金属材（材質Ａ）、 ２・・・金属材（材質Ｂ
）、３・・・線材（材質Ａ）、 ４・・・線材（材質
Ｂ）、５・・・複合中間材、 ６・・・接合部、７
・・・ステンレス鋼板、 ８・・・チタン板、９・・
・ステンレス鋼線とチタン線とを嵯り合わせた涙り線（
複合中間材）、
１０・・・スポット溶接機の電極。Fig. 1 is a schematic diagram showing an example of a composite intermediate material for joining dissimilar metal materials made by twisting dissimilar wire materials together, and Fig. 2 is a schematic diagram showing an example of a composite intermediate material for joining dissimilar metal materials made by twisting dissimilar wire materials together. A schematic diagram showing an example of a composite intermediate material for joining. FIG. 3 shows an example of a composite intermediate material for joining dissimilar metal materials, which is made of a net-like body woven by intersecting two or more different materials in three directions. Schematic diagram, FIG. Figures (bl is a schematic diagram showing the state of joining between the materials to be joined and the composite intermediate material, Figure 4 (C) is a partially enlarged view schematically showing the reason why the materials to be joined are firmly joined to each other, FIG. 5 is a schematic diagram illustrating the state of joining dissimilar metal materials in the example. FIG. 6 is a schematic diagram illustrating the state of the peeling test piece of the dissimilar metal bonded composite material obtained in the example. , FIG. 7 is a schematic diagram showing how dissimilar metal materials are directly spot welded. In the drawings, 1...metal material (material A), 2... metal material (material B).
), 3...Wire rod (material A), 4...Wire rod (material B), 5...Composite intermediate material, 6...Joint part, 7
...Stainless steel plate, 8...Titanium plate, 9...
・Tear wire made of stainless steel wire and titanium wire (
Composite intermediate material), 10... Electrode of spot welding machine.
Claims (4)
材料を含む機械的に組合わされた複合中間材を介在せし
めた後、冶金的接合法にて少なくとも同材同士を接合さ
せることを特徴とする、異種金属材料の接合方法。(1) A mechanically combined composite intermediate material containing materials made of each of the dissimilar metals is interposed between dissimilar metal materials, and then at least the same materials are joined together using a metallurgical joining method. A method for joining dissimilar metal materials.
する、特許請求の範囲第１項に記載の異種金属材料の接
合方法。(2) The method for joining dissimilar metal materials according to claim 1, which uses a twisted material of dissimilar wire rods as the composite intermediate material.
させて織り上げた網状体を使用する、特許請求の範囲第
１項に記載の異種金属材料の接合方法。(3) The method for joining dissimilar metal materials according to claim 1, wherein a net-like body made by weaving two dissimilar materials intersecting each other vertically and horizontally is used as the composite intermediate material.
に交叉させて織り上げた網状体を使用する、特許請求の
範囲第１項に記載の異種金属材料の接合方法。(4) The method for joining dissimilar metal materials according to claim 1, which uses a net-like body obtained by interweaving two or more dissimilar materials in three directions as the composite intermediate material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29337986A JPS63149090A (en) | 1986-12-11 | 1986-12-11 | Method for joining metallic materials of different kind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29337986A JPS63149090A (en) | 1986-12-11 | 1986-12-11 | Method for joining metallic materials of different kind |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63149090A true JPS63149090A (en) | 1988-06-21 |
| JPH0462831B2 JPH0462831B2 (en) | 1992-10-07 |
Family
ID=17794011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29337986A Granted JPS63149090A (en) | 1986-12-11 | 1986-12-11 | Method for joining metallic materials of different kind |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63149090A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997002137A1 (en) * | 1995-07-06 | 1997-01-23 | Showa Entetsu Co., Ltd. | Clad material |
| US20110041553A1 (en) * | 2009-08-18 | 2011-02-24 | Shenzhen Futaihong Precision Industry Co., Ltd. | Method for inlaying gold ornament and housing made by the method |
| WO2011147387A1 (en) * | 2010-05-27 | 2011-12-01 | Technische Universität Dortmund | Method for producing composite workpieces having reinforcement structures and composite workpieces produced accordingly |
| US9137858B2 (en) | 2007-12-10 | 2015-09-15 | Sandvik Intellectual Property Ab | Electric heating device |
| WO2024122574A1 (en) * | 2022-12-09 | 2024-06-13 | 国立大学法人 岡山大学 | Laser welding device, and laser welding method |
-
1986
- 1986-12-11 JP JP29337986A patent/JPS63149090A/en active Granted
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997002137A1 (en) * | 1995-07-06 | 1997-01-23 | Showa Entetsu Co., Ltd. | Clad material |
| US6074764A (en) * | 1995-07-06 | 2000-06-13 | Showa Entetsu Co., Ltd. | Clad material |
| CN1086342C (en) * | 1995-07-06 | 2002-06-19 | 株式会社昭和铅铁 | Clad material |
| KR100436956B1 (en) * | 1995-07-06 | 2004-11-16 | 가부시키가이샤 쇼와엔뎃츠 | clothing material |
| US9137858B2 (en) | 2007-12-10 | 2015-09-15 | Sandvik Intellectual Property Ab | Electric heating device |
| US20110041553A1 (en) * | 2009-08-18 | 2011-02-24 | Shenzhen Futaihong Precision Industry Co., Ltd. | Method for inlaying gold ornament and housing made by the method |
| WO2011147387A1 (en) * | 2010-05-27 | 2011-12-01 | Technische Universität Dortmund | Method for producing composite workpieces having reinforcement structures and composite workpieces produced accordingly |
| WO2024122574A1 (en) * | 2022-12-09 | 2024-06-13 | 国立大学法人 岡山大学 | Laser welding device, and laser welding method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0462831B2 (en) | 1992-10-07 |
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