JPS56116801A - Production of fine powder coated by nickel - Google Patents
Production of fine powder coated by nickelInfo
- Publication number
- JPS56116801A JPS56116801A JP1682280A JP1682280A JPS56116801A JP S56116801 A JPS56116801 A JP S56116801A JP 1682280 A JP1682280 A JP 1682280A JP 1682280 A JP1682280 A JP 1682280A JP S56116801 A JPS56116801 A JP S56116801A
- Authority
- JP
- Japan
- Prior art keywords
- nickel
- fine powder
- hydroxide
- solution
- coprecipitate
- 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
Abstract
PURPOSE: To easily produce nickel-coated fine powder having a low resistivity by a method wherein an alkali hydroxide solution is added to a mixed solution of a nickel salt and a fine powder to provide a coprecipitate, and the coprecipitate is decomposed by heating in a reducing atmosphere.
CONSTITUTION: A solution containing a nickel salt and a fine powder is vigorously agitated to cause the fine powder to be suspended in the nickel salt solution. The fine powder is coprecipitated into nickel hydroxide formed by adding an alkali hydroxide solution, and the obtained coprecipitate is filtered, washed with water, and is dried. Then, after being crushed, it is decomposed and reduced at 220°CW 500°C in hydrogen or ammonia gas to reduce nickel hydroxide to metal nickel, thereby fine powder coated by nickel is provided. For example, (BaSrCa)CO3 is used as the fine powder, nickel chloride or nickel nitrate as the nickel salt, and sodium hydroxide or potassum hydroxide as the alkali hydroxide.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1682280A JPS56116801A (en) | 1980-02-13 | 1980-02-13 | Production of fine powder coated by nickel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1682280A JPS56116801A (en) | 1980-02-13 | 1980-02-13 | Production of fine powder coated by nickel |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56116801A true JPS56116801A (en) | 1981-09-12 |
JPS5760402B2 JPS5760402B2 (en) | 1982-12-20 |
Family
ID=11926861
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1682280A Granted JPS56116801A (en) | 1980-02-13 | 1980-02-13 | Production of fine powder coated by nickel |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56116801A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62284002A (en) * | 1986-05-02 | 1987-12-09 | Tohoku Metal Ind Ltd | Magnetic alloy powder consisting of rare earth element |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5179605A (en) * | 1974-12-18 | 1976-07-12 | Council Scient Ind Res | FUKUGONITSUKERUFUNMATSU OYOBI SONOSEIZOHO |
-
1980
- 1980-02-13 JP JP1682280A patent/JPS56116801A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5179605A (en) * | 1974-12-18 | 1976-07-12 | Council Scient Ind Res | FUKUGONITSUKERUFUNMATSU OYOBI SONOSEIZOHO |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62284002A (en) * | 1986-05-02 | 1987-12-09 | Tohoku Metal Ind Ltd | Magnetic alloy powder consisting of rare earth element |
JPH0354161B2 (en) * | 1986-05-02 | 1991-08-19 |
Also Published As
Publication number | Publication date |
---|---|
JPS5760402B2 (en) | 1982-12-20 |
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