GB869827A - Soldering flux composition - Google Patents
Soldering flux compositionInfo
- Publication number
- GB869827A GB869827A GB25553/57A GB2555357A GB869827A GB 869827 A GB869827 A GB 869827A GB 25553/57 A GB25553/57 A GB 25553/57A GB 2555357 A GB2555357 A GB 2555357A GB 869827 A GB869827 A GB 869827A
- Authority
- GB
- United Kingdom
- Prior art keywords
- flux
- alloys
- alkali metal
- metal chloride
- solder
- 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.)
- Expired
Links
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
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/3601—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
- B23K35/3603—Halide salts
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
A solder flux comprises, by weight, 82-95% Zn Cl2 and 5-18% of an alkali metal chloride mixture, said mixture consisting of 5-29% Na Cl, 21-61% KCl and 29-66% Li Cl. The flux is useful in the joining of Al and its alloys to Al and its alloys and Cu, without the use of solder. Alternatively, the flux may be sheathed in a Zn-base solder containing 0.1-3% Ag and optionally 0.3-0.5% Al. In two modifications the flux also contains (a) NiC2, the composition then consisting, by weight, of 90 parts ZuCl2 10 parts of the alkali metal chloride mixture and 1 part NiCl2, and (b) for the joining of Si-containing Al alloys, the chlorides of Cu, Pb and Cd, the composition then consisting of 83.5% ZnCl2, 10% of the alkali metal chloride mixture, 4-6% CuCl, 0.25-1.25% PbCl2 and 0.5-1.75% Cd Cl2. U.S.A. Specifications 1,293,823, 2,299,164, 2,299,165, 2,299,166, 2,299,167 and 2,299,168 are p referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US869827XA | 1956-08-16 | 1956-08-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB869827A true GB869827A (en) | 1961-06-07 |
Family
ID=22202118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB25553/57A Expired GB869827A (en) | 1956-08-16 | 1957-08-13 | Soldering flux composition |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB869827A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2174109A (en) * | 1985-03-22 | 1986-10-29 | Frys Metals Ltd | Soldering flux |
| GB2175019A (en) * | 1985-05-13 | 1986-11-19 | Atomic Energy Authority Uk | Flux preparation |
-
1957
- 1957-08-13 GB GB25553/57A patent/GB869827A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2174109A (en) * | 1985-03-22 | 1986-10-29 | Frys Metals Ltd | Soldering flux |
| GB2175019A (en) * | 1985-05-13 | 1986-11-19 | Atomic Energy Authority Uk | Flux preparation |
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