JPH07256482A - Brazing method - Google Patents
Brazing methodInfo
- Publication number
- JPH07256482A JPH07256482A JP5594894A JP5594894A JPH07256482A JP H07256482 A JPH07256482 A JP H07256482A JP 5594894 A JP5594894 A JP 5594894A JP 5594894 A JP5594894 A JP 5594894A JP H07256482 A JPH07256482 A JP H07256482A
- Authority
- JP
- Japan
- Prior art keywords
- brazing
- sheet
- filler metal
- defects
- flow
- 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.)
- Withdrawn
Links
Landscapes
- Chemically Coating (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明はろう付法に関し、特に難
ぬれ性の航空宇宙用製品のエンジン部品や発電機器等に
適用されるろう付法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a brazing method, and more particularly to a brazing method applied to engine parts and power generators of aerospace products that are difficult to wet.
【０００２】[0002]
【従来の技術】ぬれ性の悪い材料（例えば、ＡｌやＴｉ
を数％以上含有するステンレス鋼や耐熱合金）をろう付
する場合に、ぬれ性改善のために、表面にＮｉめっきを
行ってからろう付を行っていた。ぬれ性の悪い材料と
は、ろう付時の加熱によって母材表面に酸化膜を生成す
る材料である。このような材料をそのままろう付すると
ろう流れが不十分であるためにろう付欠陥を生じ易い。
材料表面にＮｉめっきを行うと、酸化膜を生成しないの
でぬれがよく、ろう流れが十分であり、欠陥を生じ難
い。2. Description of the Related Art Materials with poor wettability (for example, Al and Ti)
In the case of brazing stainless steel or heat-resistant alloy containing a few percent or more of Ni, the surface was plated with Ni before brazing to improve the wettability. The material having poor wettability is a material that forms an oxide film on the surface of the base material by heating during brazing. If such a material is brazed as it is, a brazing defect is likely to occur due to insufficient brazing flow.
When Ni plating is performed on the material surface, an oxide film is not formed, so that wetting is good, the braze flow is sufficient, and defects do not occur easily.
【０００３】一例として、従来の技術を図３によって説
明する。ＳＵＳ３０４板２とＡ２８６板３をろう付する
際には、ろう付部の周りにペースト状ろう材（ろう材粉
末をバインダーと混合したもの）６を置ろうする。ろう
材はＳＵＳ３０４板２とＡ２８６板３の間隙を流れる必
要があるが、Ａ２８６板３はＴｉ＋Ａｌの含有量が２％
以上あるので、ぬれ性が悪くろう材は流れ難い。ところ
がＡ２８６板３にＮｉめっきを行ってあると、ぬれがよ
く、ろう材は容易に流れる。なお、Ａ２８６板３はＦｅ
−２６Ｎｉ−１５Ｃｒ−１．２５Ｍｏ−２．１５Ｔｉ−
０．２Ａｌ−０．３Ｖの組成の鉄基耐熱合金であり、Ｓ
ＵＳ３０４はＦｅ−１８Ｃｒ−８Ｎｉのステンレス鋼で
ある。また、従来クリアランスのコントロールはスペー
サーをろう付部に挿入することにより行っている。As an example, a conventional technique will be described with reference to FIG. When brazing the SUS304 plate 2 and the A286 plate 3, a paste-like brazing material (mixing brazing material powder with a binder) 6 is placed around the brazing part. The brazing material needs to flow through the gap between the SUS304 plate 2 and the A286 plate 3, but the A286 plate 3 has a Ti + Al content of 2%.
Because of the above, the wettability is poor and the brazing material is difficult to flow. However, when the A286 plate 3 is Ni-plated, the wetness is good and the brazing material easily flows. In addition, the A286 plate 3 is Fe
-26Ni-15Cr-1.25Mo-2.15Ti-
It is an iron-based heat-resistant alloy having a composition of 0.2Al-0.3V, and S
US304 is Fe-18Cr-8Ni stainless steel. Further, conventionally, the clearance is controlled by inserting a spacer into the brazing part.
【０００４】[0004]
【発明が解決しようとする課題】従来法ではぬれ性改善
のためのめっきに手間がかかる。特に複雑形状部品でろ
う付する一部のみにめっきを行う場合には、マスキン
グ、めっき、マスキングの剥し、という手順をとる
ために手間（費用）が膨大になる。また、ろう付クリア
ランスのコントロールをしなくてはならない。本発明は
上記技術水準に鑑み、ぬれ性の悪い母材のろう付時に、
めっきなどの処理を行うことなく簡単にろう付すること
ができる方法を提供しようとするものである。In the conventional method, it takes a lot of time to perform plating for improving the wettability. In particular, when plating is performed only on a part of a component having a complicated shape to be brazed, the steps of masking, plating, and removing the masking require a great deal of labor (cost). In addition, brazing clearance must be controlled. In view of the above technical level, the present invention, when brazing a base material having poor wettability,
It is intended to provide a method capable of easily brazing without performing treatment such as plating.
【０００５】[0005]
【課題を解決するための手段】本発明はアモルファス状
のシートろう材を、ろう付部の難ぬれ性母材表面に密着
して置きろうしてろう付することを特徴とする難ぬれ性
母材のろう付法である。DISCLOSURE OF THE INVENTION The present invention is characterized in that an amorphous sheet brazing material is brazed by placing the brazing material on the surface of the brazing base material in close contact with the brazing material. This is the brazing method.
【０００６】[0006]
【作用】ろう付部の母材表面に密着してアモルファス状
のシートろう材を置ろうすることにより、ろう付時の母
材表面の酸化が防がれ、また、ろう付部分全てにろう材
が存在するのでろうが流れる必要がないのでろう付欠陥
を生じ難い。さらに、ろう材シート厚さの設定により、
ろう付クリアランスをコントロールできる。[Function] By placing the amorphous sheet brazing material in close contact with the base metal surface of the brazing part, oxidation of the base metal surface during brazing can be prevented, and the brazing material can be applied to all brazing parts. Since there is no need for the braze to flow, brazing defects are less likely to occur. Furthermore, by setting the brazing sheet thickness,
You can control the brazing clearance.
【０００７】[0007]
【実施例】以下、本発明の具体例をあげ、本発明の効果
を明らかにする。 （実施例１）以下、図１を参照しながら本発明の一実施
例を説明する。図１において、１は５０μｍ厚のアモル
ファス状のシートろう材（Ｎｉ−７Ｃｒ−３Ｆｅ−３Ｂ
−４．５Ｓｉ：ＢＮｉ−２）、２はＳＵＳ３０４板、３
はＡ２８６板を示す。ＳＵＳ３０４板２とＡ２８６板３
の間にアモルファス状のシートろう材１を置ろうする
と、Ａ２８６板３のろう付面は、ろう付中に酸化される
ことが少なく、また、ろう材が流れる必要がないので、
欠陥をほとんど生じることなくろう付することが可能と
なる。EXAMPLES The effects of the present invention will be clarified below with reference to specific examples of the present invention. (Embodiment 1) An embodiment of the present invention will be described below with reference to FIG. In FIG. 1, 1 is an amorphous sheet brazing material (Ni-7Cr-3Fe-3B) having a thickness of 50 μm.
-4.5Si: BNi-2), 2 is SUS304 plate, 3
Indicates an A286 plate. SUS304 plate 2 and A286 plate 3
When the amorphous sheet brazing material 1 is placed between the two, the brazing surface of the A286 plate 3 is less likely to be oxidized during brazing, and the brazing material does not need to flow.
It is possible to braze with almost no defects.
【０００８】（実施例２）冷却構造付タービンブレード
の製造においては、冷却構造溝の片側に蓋をろう付して
いる。このろう付に本発明を適用した実施例を図２によ
って説明する。図２において、１は実施例１と同じアモ
ルファス状のシートろう材、４は冷却構造付タービンブ
レード（ＩＮ１００：Ｎｉ−１５Ｃｏ−１０Ｃｒ−５．
５Ａｌ−５Ｔｉ）、５はタービンブレード冷却構造蓋
（ハステロイ−Ｘ：Ｎｉ−２２Ｃｒ−１８Ｆｅ−９Ｍｏ
−０．６Ｗ）、６はペースト状ろう材を示す。冷却構造
付タービンブレード４のＩＮ１００はＴｉ＋Ａｌ含有量
が高いため、ぬれが悪く、欠陥を生じ易い。ところが該
ブレード４と蓋５の間にアモルファス状のシートろう材
１を置ろうすると、ブレードろう付面はろう付中に酸化
されることが少なく、また、ろう材が流れる必要がない
ので欠陥をほとんど生じることなくろう付することが可
能となる。加えて、アモルファス状のシートろう材１を
用いることによりろう付クリアランスをそのろう材厚さ
でコントロールすることができる。(Embodiment 2) In manufacturing a turbine blade with a cooling structure, a lid is brazed to one side of the cooling structure groove. An embodiment in which the present invention is applied to this brazing will be described with reference to FIG. In FIG. 2, 1 is the same amorphous sheet brazing material as in Example 1, and 4 is a turbine blade with a cooling structure (IN100: Ni-15Co-10Cr-5.
5Al-5Ti), 5 is a turbine blade cooling structure lid (Hastelloy-X: Ni-22Cr-18Fe-9Mo)
-0.6 W), 6 shows a paste-like brazing material. Since IN100 of the turbine blade 4 with a cooling structure has a high Ti + Al content, it has poor wettability and is likely to cause defects. However, if the amorphous sheet brazing material 1 is placed between the blade 4 and the lid 5, the brazing surface of the blade is less likely to be oxidized during brazing, and the brazing material does not need to flow, resulting in defects. It is possible to braze with almost no occurrence. In addition, by using the amorphous sheet brazing material 1, the brazing clearance can be controlled by the thickness of the brazing material.
【０００９】さらに、ペースト状ろう材６をブレード５
の冷却構造溝中に添加することにより、ろう切れを防止
し、ろう付品質の向上が可能となる。また、これにより
蓋５の外周におけるろう付フィレットの存在によりろう
付品質を確認できる。Further, the paste-like brazing material 6 is attached to the blade 5.
By adding it to the cooling structure groove, it is possible to prevent brazing and improve brazing quality. Further, by this, the brazing quality can be confirmed by the existence of the brazing fillet on the outer periphery of the lid 5.
【００１０】[0010]
【発明の効果】本発明により、従来ぬれ性が悪く、ぬれ
性改善のためにめっき等を行っていた材料に対してもめ
っきを行う必要がなくろう付することができる。すなわ
ち、ろう付部の母材表面に密着してアモルファス状のシ
ートろう材を置ろうすることにより、ろう付時の母材表
面の酸化を防ぐとともに、ろうが流れる必要がないの
で、ろう付欠陥を生じさせることなく、ろう付が可能と
なり、また、ろう材シート厚さの設定により、ろう付ク
リアランスをコントロールできる。EFFECTS OF THE INVENTION According to the present invention, it is possible to perform brazing on a material which has conventionally been poor in wettability and has been plated for improving wettability without the need for plating. That is, by placing an amorphous sheet brazing material in close contact with the base metal surface of the brazing part, oxidation of the base metal surface during brazing is prevented and the brazing does not need to flow, so brazing defects Brazing can be performed without causing the brazing, and the brazing clearance can be controlled by setting the brazing material sheet thickness.
【図面の簡単な説明】[Brief description of drawings]
【図１】本発明の一実施例の説明図。FIG. 1 is an explanatory diagram of an embodiment of the present invention.
【図２】本発明の他の実施例の説明図。FIG. 2 is an explanatory view of another embodiment of the present invention.
【図３】従来の置ろうによるろう付の説明図。FIG. 3 is an explanatory view of brazing using a conventional placing wax.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 藤原 力 愛知県名古屋市港区大江町10番地 三菱重 工業株式会社名古屋航空宇宙システム製作 所内 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Riki Fujiwara 10 Oemachi, Minato-ku, Nagoya, Aichi Mitsubishi Heavy Industries, Ltd. Nagoya Aerospace Systems Works
Claims (1)
付部の難ぬれ性母材表面に密着して置きろうしてろう付
することを特徴とする難ぬれ性母材のろう付法。1. A brazing method for a non-wetting base material, which comprises placing an amorphous sheet brazing material on the surface of the non-wetting base material in the brazing portion so as to be brazed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5594894A JPH07256482A (en) | 1994-03-25 | 1994-03-25 | Brazing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5594894A JPH07256482A (en) | 1994-03-25 | 1994-03-25 | Brazing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07256482A true JPH07256482A (en) | 1995-10-09 |
Family
ID=13013305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5594894A Withdrawn JPH07256482A (en) | 1994-03-25 | 1994-03-25 | Brazing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07256482A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002042031A1 (en) * | 2000-11-27 | 2002-05-30 | Mitsubishi Heavy Industries, Ltd. | Layered heat-resistant alloy plate and method of producing the same |
| WO2007021492A1 (en) * | 2005-08-12 | 2007-02-22 | Intel Corporation | Bulk metallic glass solder |
| WO2021138149A1 (en) * | 2020-01-02 | 2021-07-08 | The Regents Of The University Of Michigan | Methods of joining dissimilar metals without detrimental intermetallic compounds |
| US11890788B2 (en) | 2020-05-20 | 2024-02-06 | The Regents Of The University Of Michigan | Methods and process for producing polymer-metal hybrid components bonded by C—O-M bonds |
-
1994
- 1994-03-25 JP JP5594894A patent/JPH07256482A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002042031A1 (en) * | 2000-11-27 | 2002-05-30 | Mitsubishi Heavy Industries, Ltd. | Layered heat-resistant alloy plate and method of producing the same |
| US6852428B2 (en) | 2000-11-27 | 2005-02-08 | Mitsubishi Heavy Industries, Ltd. | Layered heat-resistant alloy plate and method of producing the same |
| WO2007021492A1 (en) * | 2005-08-12 | 2007-02-22 | Intel Corporation | Bulk metallic glass solder |
| US7628871B2 (en) | 2005-08-12 | 2009-12-08 | Intel Corporation | Bulk metallic glass solder material |
| WO2021138149A1 (en) * | 2020-01-02 | 2021-07-08 | The Regents Of The University Of Michigan | Methods of joining dissimilar metals without detrimental intermetallic compounds |
| US11890788B2 (en) | 2020-05-20 | 2024-02-06 | The Regents Of The University Of Michigan | Methods and process for producing polymer-metal hybrid components bonded by C—O-M bonds |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4614296A (en) | Diffusion brazing process for pieces of superalloys | |
| EP0503698B1 (en) | Method for depositing braze alloy to base metal surfaces using electric discharge process | |
| US20090139607A1 (en) | Braze compositions and methods of use | |
| JP2006181637A (en) | Flux, and soldering method using the same | |
| US4624860A (en) | Method of applying a coating to a metal substrate using brazing material and flux | |
| US6160237A (en) | Friction welding process for mounting blades of a rotor for a flow machine | |
| JPH11156559A (en) | Welding method of hardenable nickel base alloy | |
| JPH07256482A (en) | Brazing method | |
| US2698813A (en) | Process of silver brazing chromium stainless steel | |
| CN101992331A (en) | Vacuum brazing process for super-Ni laminated material and Cr18-Ni8 stainless steel | |
| Schwartz | Fundamentals of brazing | |
| US4195764A (en) | Brazing of powdered metal parts | |
| JPS59180004A (en) | Moving blade of steam turbine | |
| JPS60106662A (en) | Joining method of members | |
| JPH01182504A (en) | Reforming method for surface of turbine blade | |
| US3138862A (en) | Method of joining ferrous metal parts | |
| JPS608137B2 (en) | Method for forming a corrosion-resistant and oxidation-resistant protective film | |
| JPH03226372A (en) | Method for brazing metal, ceramics and the like | |
| US3147089A (en) | Alloy brazing composition and method of brazing | |
| US2719800A (en) | Flux composition and its method of production | |
| Schwartz | Welding, brazing and soldering | |
| JPS6179783A (en) | Formation of graphitized layer onto member surface | |
| JPS59180003A (en) | Moving blade of steam turbine | |
| JPH07115162B2 (en) | Brazing structure of metal parts and brazing method thereof | |
| JPH07112626B2 (en) | Method for joining aluminum member and dissimilar metal member |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20010605 |