JPH0446069A - Method for bonding members different in quality - Google Patents
Method for bonding members different in qualityInfo
- Publication number
- JPH0446069A JPH0446069A JP15363590A JP15363590A JPH0446069A JP H0446069 A JPH0446069 A JP H0446069A JP 15363590 A JP15363590 A JP 15363590A JP 15363590 A JP15363590 A JP 15363590A JP H0446069 A JPH0446069 A JP H0446069A
- Authority
- JP
- Japan
- Prior art keywords
- top plate
- alloy
- aluminum alloy
- skirt member
- wear
- 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
- 238000000034 method Methods 0.000 title claims description 16
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 40
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 17
- 238000005304 joining Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000005219 brazing Methods 0.000 abstract description 14
- 230000002093 peripheral effect Effects 0.000 abstract description 11
- 229910052581 Si3N4 Inorganic materials 0.000 abstract description 5
- 229910045601 alloy Inorganic materials 0.000 abstract 1
- 239000000956 alloy Substances 0.000 abstract 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 11
- 238000011282 treatment Methods 0.000 description 10
- 238000003825 pressing Methods 0.000 description 8
- 239000000919 ceramic Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Landscapes
- Forging (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Ceramic Products (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、耐摩耗性部材とアルミニウム合金製部材とを
塑性流動結合させる異種材質部材の接合方法に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a method for joining members made of different materials by plastic flow bonding a wear-resistant member and an aluminum alloy member.
（従来の技術）
高出力で低燃費を要求される自動車用レシブロケーティ
ングエンジンの動弁系に用いられるバルブリフターのよ
うに、耐摩耗性を確保しつつ慣性質量の低減を求められ
ている部材においては、カム及びバルブステムに当接す
る天板にはセラミックスやスチール等からなる耐摩耗性
部材を用い、スカート部には軽量のアルミニウム合金製
部材を用いることが好ましい。(Prior technology) Valve lifters used in the valve train of automobile reciprocating engines that require high output and low fuel consumption are required to reduce inertial mass while ensuring wear resistance. As for the members, it is preferable to use a wear-resistant member made of ceramics, steel, etc. for the top plate that contacts the cam and the valve stem, and to use a lightweight aluminum alloy member for the skirt portion.
そこで、上記のように耐摩耗性を確保しつつ慣性質量の
低減を求められる部材を製造するために、異種材質部材
からなる耐摩耗性部材とアルミニウム合金製部材とを特
開昭６１−４２４４５号公報に示されるように塑性流動
結合させて接合する方法が提案されている。Therefore, in order to manufacture a member that requires a reduction in inertial mass while ensuring wear resistance as described above, a wear-resistant member made of different materials and an aluminum alloy member were manufactured in Japanese Patent Application Laid-Open No. 61-42445. As shown in the publication, a method of joining by plastic flow bonding has been proposed.
（発明が解決しようとする課題）
しかるに、耐摩耗性部材とアルミニウム合金製部材とを
塑性流動結合させる場合、両者の接合力を向上させるた
めアルミニウム合金製部材に加える加圧力を大きくする
と、耐摩耗性部材が大きな曲げモーメントを受けるため
、該耐摩耗性部材にクラックが生しるという問題が発生
する。(Problem to be Solved by the Invention) However, when plastic flow bonding is performed between a wear-resistant member and an aluminum alloy member, increasing the pressure applied to the aluminum alloy member in order to improve the bonding force between the two will improve the wear resistance. Since the wear-resistant member is subjected to a large bending moment, a problem arises in that the wear-resistant member cracks.
逆に、耐摩耗性部材に発生するクラックを防止するため
アルミニウム合金製部材に加える加圧力を小さくすると
、両者間に満足できる接合力が得られないという問題が
ある。On the other hand, if the pressure applied to the aluminum alloy member is reduced in order to prevent cracks from occurring in the wear-resistant member, there is a problem in that a satisfactory bonding force between the two cannot be obtained.
上記に鑑みて本発明は、耐摩耗性部材とアルミニウム合
金製部材との接合力を確保しつつ、耐摩耗性部材に発生
するクラックを防止することを目的とする。In view of the above, an object of the present invention is to prevent cracks from occurring in the wear-resistant member while ensuring bonding strength between the wear-resistant member and the aluminum alloy member.
（課題を解決するための手段）
上記の目的を達成するため、本発明は、硬化熱処理され
ていないアルミニウム合金製部材を低い加圧力で押圧す
ることにより、耐摩耗性部材にクラックを発生させるこ
となくアルミニウム合金製部材を十分に塑性流動させる
ものである。(Means for Solving the Problems) In order to achieve the above object, the present invention provides a method for generating cracks in a wear-resistant member by pressing an aluminum alloy member that has not been hardened and heat-treated with a low pressing force. This allows the aluminum alloy member to flow sufficiently plastically.
具体的に本発明が講じた解決手段は、耐摩耗性部材とア
ルミニウム合金製部材とを塑性流動結合させる異種材質
部材の接合方法を対象とするものであって、耐摩耗性部
材と硬化熱処理されていないアルミニウム合金製部材と
を準備し、両者における各々の結合部のうちの少なくと
も一方に拡散性金属を塗布した後、これら両者を塑性流
動結合させ、しかる後、アルミニウム合金製部材に対し
て硬化熱処理を施す構成とするものである。Specifically, the solution taken by the present invention is directed to a method of joining members made of different materials by plastic flow bonding a wear-resistant member and an aluminum alloy member. After applying a diffusible metal to at least one of the joint parts of the two, the two are bonded by plastic flow, and then hardened to the aluminum alloy member. The structure is such that heat treatment is performed.
（作用）
上記の構成により、耐摩耗性部材と硬化熱処理されてい
ないアルミニウム合金製部材とを塑性流動結合させるた
め、低い加圧力で押圧してもアルミニウム合金製部材は
十分に塑性流動することができる。(Function) With the above configuration, the wear-resistant member and the aluminum alloy member that has not been hardened and heat treated are bonded by plastic flow, so the aluminum alloy member can sufficiently plastically flow even when pressed with a low pressing force. can.
また、アルミニウム合金部材に対する硬化熱処理工程に
おいて、結合部に塗布された拡散性金属が耐摩耗性部材
中に拡散する。Further, in the hardening heat treatment process for the aluminum alloy member, the diffusible metal applied to the joint portion diffuses into the wear-resistant member.
（実施例）
以下、本発明の第１実施例として、耐摩耗性部材として
の窒化硅素セラミックスからなる天板１と、アルミニウ
ム合金製部材としてのアルミニウム合金（調質後の引張
強度：３５ｋｇｆ／ｍｍ２以上）からなるスカート部材
２とを塑性流動結合により接合する方法について説明す
る。(Example) Hereinafter, as a first example of the present invention, a top plate 1 made of silicon nitride ceramics as a wear-resistant member and an aluminum alloy as an aluminum alloy member (tensile strength after tempering: 35 kgf/mm2) will be described. A method of joining the skirt member 2 made of the above) by plastic flow bonding will be explained.
まず、第１図に示すように、裏面に設けられた環状突部
１ａの外周面に結合部としての溝部を有する円板状の天
板１を準備し、該天板１の上記溝部に、ＢＡ４０４７
（ＡＩ−１２Ｓ ｉ） 、ＢＡ４１４５ （ＡＩ−１０
Ｓｉ−４Ｃｕ−０，１５Ｃｒ）、ＢＡ４２４５ （Ａｌ
−１０Ｓｉ−４Ｃｕ−１０Ｚｎ）等からなり、スカート
部材２を構成するアルミニウム合金よりも低い融点を有
するアルミニウムろう材を塗布する。First, as shown in FIG. 1, a disk-shaped top plate 1 having a groove as a coupling part on the outer peripheral surface of an annular protrusion 1a provided on the back surface is prepared, and in the groove of the top plate 1, BA4047
(AI-12S i), BA4145 (AI-10
Si-4Cu-0,15Cr), BA4245 (Al
-10Si-4Cu-10Zn), etc., and has a lower melting point than the aluminum alloy constituting the skirt member 2.
一方、スカート部材２を、アルミニウムろう材が溶融す
る一方該スカート部材２を構成するアルミニウム合金が
軟化する程度に加熱する。このようにすると、アルミニ
ウムろう材は溶融してスカート部材２を構成するアルミ
ニウム合金と結合する。On the other hand, the skirt member 2 is heated to such an extent that the aluminum brazing material is melted and the aluminum alloy constituting the skirt member 2 is softened. In this way, the aluminum brazing material is melted and combined with the aluminum alloy forming the skirt member 2.
次に、アルミニウムろう材が塗布された天板１をその裏
面側が上になるようプレス用金型（図示していない）に
セットした後、該天板１の裏面周縁部に、上記加熱され
たスカート部材２を載置する。Next, the top plate 1 coated with aluminum brazing material is set in a press mold (not shown) so that its back side faces up, and then the heated Place the skirt member 2.
次に、図示していない加圧パンチによってスカート部材
２の内周縁部２ａを軸方向に押圧し、該スカート部材２
の内周縁部２ａを内側つまり天板１の環状突部１ａの溝
部の方に塑性流動させて天板１とスカート部材２とを塑
性流動結合させる。Next, the inner circumferential edge 2a of the skirt member 2 is pressed in the axial direction by a pressure punch (not shown), and the skirt member 2 is
The inner peripheral edge 2a of the top plate 1 is caused to plastically flow toward the inner side, that is, toward the groove of the annular protrusion 1a of the top plate 1, thereby plastically flowing the top plate 1 and the skirt member 2 together.
尚、天板１とスカート部材２との塑性流動結合の方法と
しては、第２図に示すように、環状突部１ａの内周面に
溝部を有する円板状の天板１を準備し、スカート部材２
の内周縁部２ａを軸方向に押圧して該内周縁部２ａを外
側に塑性流動させてもよいし、第３図に示すように、環
状突部１ａの外周面に溝部を有する円板状の天板１を準
備し、スカート部材２の下端周縁部を径方向に押圧して
該内周縁部２ａを内側に塑性流動させてもよい。In addition, as a method of plastic flow coupling between the top plate 1 and the skirt member 2, as shown in FIG. Skirt member 2
The inner peripheral edge 2a may be pressed in the axial direction to cause the inner peripheral edge 2a to plastically flow outward, or as shown in FIG. Alternatively, a top plate 1 may be prepared, and the lower end peripheral edge of the skirt member 2 may be pressed in the radial direction to cause the inner peripheral edge 2a to plastically flow inward.
次に、第４図に示すように、スカート部材２を、例えば
４８０℃の温度下で０．５〜１．Ｏｈｒ保持して溶体化
処理した後１８０℃の温度下で４〜６ｈｒ保持して時効
処理することにより、硬化熱処理としてのＴ６処理を施
してバルブリフター３を得る。Next, as shown in FIG. 4, the skirt member 2 is heated, for example, at a temperature of 0.5 to 1. The valve lifter 3 is obtained by performing a T6 treatment as a hardening heat treatment by performing a solution treatment at a temperature of 180° C. for 4 to 6 hours and performing an aging treatment.
以上のようにすると、スカート部材２はＴ６処理によっ
て所望の引張強度（３５ｋｇｆ／ｍｍ２以上）を得るこ
とができると共に、アルミニウムろう材中の拡散性金属
、つまりＡ１％ＳＬ％Ｃｕ。By doing so, the skirt member 2 can obtain the desired tensile strength (35 kgf/mm2 or more) by the T6 treatment, and the diffusible metal in the aluminum brazing material, that is, A1%SL%Cu.
Ｃｒ或いはＺｎが天板１を構成する窒化硅素セラミック
ス中に拡散して拡散層（化合物層）を形成するので、天
板１とスカート部材２とが強固に結合する。その結果、
アルミニウムろう材を塗布しない場合のバルブリフター
３の耐荷重が約５５０ｋｇ程度であるのに対して、本実
施例のバルブリフター３の耐荷重は約６４０ｋｇに向上
する。Since Cr or Zn diffuses into the silicon nitride ceramic constituting the top plate 1 to form a diffusion layer (compound layer), the top plate 1 and the skirt member 2 are firmly bonded. the result,
While the load capacity of the valve lifter 3 without aluminum brazing material is approximately 550 kg, the load capacity of the valve lifter 3 of this embodiment is increased to approximately 640 kg.
尚、上記実施例におけるＴ６処理に代えて、硬化熱処理
として、塑性流動結合後のスカート部材２を例えば４８
０℃の温度下で０，５〜１．Ｏｈ「保持して溶体化処理
することによりＴ５処理を施してもよいし、また、アル
ミニウムろう材を、天板１の溝部に塗布する代わりにス
カート部材２の結合部に塗布してもよい。Incidentally, instead of the T6 treatment in the above embodiment, the skirt member 2 after plastic flow bonding is subjected to hardening heat treatment, for example, 48
0.5~1. at a temperature of 0°C. Oh' T5 treatment may be performed by holding and solution treatment, and aluminum brazing material may be applied to the joint part of the skirt member 2 instead of being applied to the groove part of the top plate 1.
以下、本発明の第２実施例を、上記第１実施例と異なる
点を中心に説明する。A second embodiment of the present invention will be described below, focusing on the differences from the first embodiment.
まず、スカート部材２を構成するＴ６処理されたアルミ
ニウム合金（引張強度：３５ｋｇｆ／ｍｍ２以上）をな
まして低硬度にさせる。そして、上記第１実施例と同様
、アルミニウムろう材が塗布された天板１をプレス用金
型にセットした後、該天板１の裏面周縁部に常温のスカ
ート部材２を載置する。First, the T6-treated aluminum alloy (tensile strength: 35 kgf/mm2 or more) constituting the skirt member 2 is annealed to have a low hardness. As in the first embodiment, the top plate 1 coated with aluminum brazing material is set in a press mold, and then the skirt member 2 at room temperature is placed on the peripheral edge of the back surface of the top plate 1.
次に、上記第１実施例と同様、加圧パンチによって天板
１とスカート部材２とを塑性流動結合させる。Next, as in the first embodiment, the top plate 1 and the skirt member 2 are joined together by plastic flow using a pressure punch.
以上のようにすると、上記第１実施例と同様、アルミニ
ウムろう材中の拡散性金属が窒化硅素セラミックス中に
拡散して拡散層を形成するため、天板１とスカート部材
２とが強固に結合する。In the above manner, as in the first embodiment, the diffusible metal in the aluminum brazing material diffuses into the silicon nitride ceramic to form a diffusion layer, so that the top plate 1 and the skirt member 2 are firmly connected. do.
この場合、Ｔ６処理されたアルミニウム合金をそのまま
用いると、天板１にクラックを発生させないため４．０
Ｔｏｎの加圧力でしかスカート部材２を抑圧できなかっ
たのに対して、本実施例では７．０Ｔｏｎの加圧力で押
圧できるので、スカート部材２の内周縁部２ａを天板１
の環状突部１ａの溝部に十分に塑性流動させることがで
きる。In this case, if the T6-treated aluminum alloy is used as it is, the cracks will not occur in the top plate 1, so the
Whereas the skirt member 2 could only be suppressed with a pressing force of 7.0 tons, in this embodiment it can be pressed with a pressing force of 7.0 tons, so the inner peripheral edge 2a of the skirt member 2 can be pressed against the top plate 1.
Sufficient plastic flow can be caused in the groove of the annular protrusion 1a.
その結果、Ｔ６処理されたアルミニウム合金をそのまま
用いる場合のバルブリフター３の耐荷重が約４６０ｋｇ
であるのに対して、本実施例のバルブリフター３の耐荷
重は約６７０ｋｇに向上する。As a result, the load capacity of the valve lifter 3 when using T6-treated aluminum alloy as is is approximately 460 kg.
On the other hand, the load capacity of the valve lifter 3 of this embodiment is improved to about 670 kg.
また、なまし処理したアルミニウム合金を用−いる一方
アルミニウムろう材を塗布しない場合には、バルブリフ
ター３の耐荷重は約５８０ｋｇである。Further, when an annealed aluminum alloy is used but no aluminum brazing material is applied, the load capacity of the valve lifter 3 is about 580 kg.
尚、上記第１及び第２実施例においては、天板１は窒化
硅素セラミックスで構成されていたが、これに代えて、
スチールからなる天板１とアルミニウム合金製スカート
部材２とを塑性流動結合させる場合にも、本発明の接合
方法を適用することができる。In addition, in the first and second embodiments described above, the top plate 1 was made of silicon nitride ceramics, but instead of this,
The joining method of the present invention can also be applied to the case where the top plate 1 made of steel and the skirt member 2 made of aluminum alloy are bonded by plastic flow.
以下、本発明の接合方法を赴任するために行なった比較
例と具体例について説明する。Comparative examples and specific examples carried out to apply the joining method of the present invention will be described below.
まず、比較例として、厚さ：２，７ｍｍのセラミックデ
ィスクからなる天板と、高シリコンを含有しＴ６処理が
施されたアルミニウム合金（硬度：Ｈｖ１２０）の押庄
し材からなるスカート部材とを準備し、上記天板をプレ
ス用金型にセットした後、該天板の裏面周縁部に上記ス
カート部材を載置し、しかる後、パンチを用いて上記ス
カート部材に約６７ｏｎの加圧力で塑性流動結合させて
バルブリフターを得た。First, as a comparative example, a top plate made of a ceramic disk with a thickness of 2.7 mm and a skirt member made of pressed aluminum alloy (hardness: Hv120) containing high silicon and subjected to T6 treatment. After preparing and setting the above-mentioned top plate in a press mold, the above-mentioned skirt member is placed on the peripheral edge of the back surface of the above-mentioned top plate, and then, using a punch, the above-mentioned skirt member is plasticized with a pressing force of about 67 on. A valve lifter was obtained by flow coupling.
その結果、約１０００ｋｇの接合強度が得られ、接合力
としてはバルブリフターとしての実用性を満足するもの
が得られたが、約半数のバルブリフターの天板に裏面か
らの表面に至るクラックが発生し、天板にクラックの発
生したバルブリフターをエンジンに組み込んだところ、
すべてのバルブリフターが破壊した。As a result, a bonding strength of approximately 1000 kg was obtained, which satisfied the practicality of the valve lifter, but cracks occurred on the top plate of about half of the valve lifters from the back surface to the surface. However, when I installed the valve lifter with cracks on the top plate into the engine,
All valve lifters were destroyed.
次に、本発明の具体例として、アルミニウムろう材を塗
布した上記比較例と同様の天板と、高シリコンを含有し
熱処理が施されていないアルミニウム合金（硬度：Ｈｖ
８０）からなるスカート部材とを準備し、約５Ｔｏｎの
加圧力で塑性流動結合させ、その後、スカート部材に第
４図に示すＴ６処理を施してバルブリフターを得た。Next, as a specific example of the present invention, a top plate similar to the above comparative example coated with aluminum brazing material and an aluminum alloy containing high silicon and not heat treated (hardness: Hv
80) was prepared and plastic flow bonded with a pressure of about 5 tons, and then the skirt member was subjected to the T6 treatment shown in FIG. 4 to obtain a valve lifter.
その結果、比較例に比べて加圧力が小さいにも拘らず、
比較例と同様の接合状態を得ることができ、またアルミ
ニウムろう材の拡散により約１２００ｋｇの接合強度が
得られた。そして、比較例に比べて加圧力が小さいため
天板にクラックが発生したものは皆無であった。As a result, even though the pressing force was smaller than that of the comparative example,
A bonding condition similar to that of the comparative example could be obtained, and a bonding strength of approximately 1200 kg was obtained due to the diffusion of the aluminum brazing filler metal. Furthermore, since the pressing force was smaller than that of the comparative example, no cracks occurred on the top plate.
（発明の効果）
以上説明したように、本発明に係る異種材質部材の接合
方法によると、耐摩耗性部材と硬化熱処理されていない
アルミニウム合金製部材とを塑性流動結合させ′るため
、低い加圧力で押圧してもアルミニウム合金製部材は塑
性流動することができるので、耐摩耗性部材に発生する
クラックを防止できる。(Effects of the Invention) As explained above, according to the method for joining members made of different materials according to the present invention, a wear-resistant member and an aluminum alloy member that has not been hardened and heat-treated are plastically bonded, so that a low stress is applied. Since the aluminum alloy member can plastically flow even when pressed with pressure, it is possible to prevent cracks from occurring in the wear-resistant member.
また、アルミニウム合金部材に対する硬化熱処理工程に
おいて、結合部に塗布された拡散性金属が耐摩耗性部材
中に拡散するため、耐摩耗性部材とアルミニウム合金製
部材との接合力が向上する。Further, in the hardening heat treatment process for the aluminum alloy member, the diffusible metal applied to the joint portion diffuses into the wear-resistant member, so that the bonding strength between the wear-resistant member and the aluminum alloy member is improved.
第１図〜第４図は本発明の一実施例である異種材質部材
の接合方法の各工程を示し、第１図〜第３図は各々塑性
流動結合工程の断面図、第４図はスカート部材に対して
行なうＴ６処理の熱処理パターン図である。
１・・・天板
（耐摩耗性部材）
２・・・スカート部材
（アルミニウム合金製部材）Figures 1 to 4 show each step of a method for joining dissimilar material members according to an embodiment of the present invention, Figures 1 to 3 are cross-sectional views of the plastic flow joining process, and Figure 4 is a skirt It is a heat treatment pattern diagram of T6 treatment performed on a member. 1... Top plate (wear-resistant member) 2... Skirt member (aluminum alloy member)
Claims (1)
流動結合させる異種材質部材の接合方法であって、耐摩
耗性部材と硬化熱処理されていないアルミニウム合金製
部材とを準備し、両者における各結合部のうちの少なく
とも一方に拡散性金属を塗布した後、これら両者を塑性
流動結合させ、しかる後、アルミニウム合金製部材に対
して硬化熱処理を施すことを特徴とする異種材質部材の
接合方法。(1) A method for joining members made of different materials by plastic flow bonding a wear-resistant member and an aluminum alloy member, in which a wear-resistant member and an aluminum alloy member that has not been hardened and heat treated are prepared, and each A method for joining members made of dissimilar materials, which comprises applying a diffusible metal to at least one of the joining parts, then plastic flow bonding the two parts, and then subjecting the aluminum alloy member to hardening heat treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15363590A JPH0446069A (en) | 1990-06-12 | 1990-06-12 | Method for bonding members different in quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15363590A JPH0446069A (en) | 1990-06-12 | 1990-06-12 | Method for bonding members different in quality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0446069A true JPH0446069A (en) | 1992-02-17 |
Family
ID=15566825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15363590A Pending JPH0446069A (en) | 1990-06-12 | 1990-06-12 | Method for bonding members different in quality |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0446069A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0849376A1 (en) * | 1996-11-19 | 1998-06-24 | Fuji Oozx Inc. | Tappet in an internal combustion engine and a method of manufacturing the same |
| JP2008162403A (en) * | 2006-12-28 | 2008-07-17 | Kyoraku Co Ltd | Instrument panel for forklift |
-
1990
- 1990-06-12 JP JP15363590A patent/JPH0446069A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0849376A1 (en) * | 1996-11-19 | 1998-06-24 | Fuji Oozx Inc. | Tappet in an internal combustion engine and a method of manufacturing the same |
| JP2008162403A (en) * | 2006-12-28 | 2008-07-17 | Kyoraku Co Ltd | Instrument panel for forklift |
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