JPS571590A - Joining method for al or al alloy member - Google Patents
Joining method for al or al alloy memberInfo
- Publication number
- JPS571590A JPS571590A JP7560680A JP7560680A JPS571590A JP S571590 A JPS571590 A JP S571590A JP 7560680 A JP7560680 A JP 7560680A JP 7560680 A JP7560680 A JP 7560680A JP S571590 A JPS571590 A JP S571590A
- Authority
- JP
- Japan
- Prior art keywords
- eutectic
- oxide films
- melt
- base materials
- base
- 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
Landscapes
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
PURPOSE: To join a base material with high toughness, airtightness and corrosion resistance through mixing oxide films in base metals into an eutectic liquid phase and expelling the same to the outside of fayed surfaces, by interposing an Al-Si alloy contg. a specific amount of Si in the joining part, and pressing these under heating, in hoining Al or Al alloys to themselves.
CONSTITUTION: A thin strip 3 made by quickly cooling and solidifying molten alloy contg. 12W35wt% Si and consisting of the balance Al is interposed between the fayed surfaces of Al or Al alloy members 1A, 1B. Next, when these are heated to an eutectic point by a high frequency heating coil 4, part of the strip 3 melts and liquefies; at the same time, excess Si more than the eutectic composition reacts with the base materials 1A, 1B, thereby forming melt. Thence, the oxide films of the base materials are broken down and mixed into the melt. The eutectic melt is expelled by large pressure and the fresh surfaces of the base materials are press-contacted to each other. The reason for limiting the amount of Si lies in that at below 12wt% the oxide films do not cause sufficient breakdown. Above 35wt%, the production is difficult and the effect is saturated.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7560680A JPS571590A (en) | 1980-06-06 | 1980-06-06 | Joining method for al or al alloy member |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7560680A JPS571590A (en) | 1980-06-06 | 1980-06-06 | Joining method for al or al alloy member |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS571590A true JPS571590A (en) | 1982-01-06 |
Family
ID=13581030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7560680A Pending JPS571590A (en) | 1980-06-06 | 1980-06-06 | Joining method for al or al alloy member |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS571590A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58185780A (en) * | 1982-04-24 | 1983-10-29 | Kawasaki Steel Corp | Continuous pickling method of stainless band steel |
-
1980
- 1980-06-06 JP JP7560680A patent/JPS571590A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58185780A (en) * | 1982-04-24 | 1983-10-29 | Kawasaki Steel Corp | Continuous pickling method of stainless band steel |
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