JPS57171601A - Black color metal for decoration - Google Patents
Black color metal for decorationInfo
- Publication number
- JPS57171601A JPS57171601A JP56057037A JP5703781A JPS57171601A JP S57171601 A JPS57171601 A JP S57171601A JP 56057037 A JP56057037 A JP 56057037A JP 5703781 A JP5703781 A JP 5703781A JP S57171601 A JPS57171601 A JP S57171601A
- Authority
- JP
- Japan
- Prior art keywords
- black color
- fine powder
- powder
- ultrafine powder
- metals
- 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
- 239000002184 metal Substances 0.000 title abstract 4
- 229910052751 metal Inorganic materials 0.000 title abstract 4
- 238000005034 decoration Methods 0.000 title 1
- 239000000843 powder Substances 0.000 abstract 6
- 229910045601 alloy Inorganic materials 0.000 abstract 2
- 239000000956 alloy Substances 0.000 abstract 2
- 150000002739 metals Chemical class 0.000 abstract 2
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000007769 metal material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 230000003746 surface roughness Effects 0.000 abstract 1
- 238000001771 vacuum deposition Methods 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/12—Making metallic powder or suspensions thereof using physical processes starting from gaseous material
Abstract
PURPOSE:To produce decorative black color metal having gloss from any metallic materials by compressing ultrafine powder of metals and their alloy under heating and finishing the surfaces thereof. CONSTITUTION:When gaseous Ar of about 100Torr is sealed into a vacuum deposition device, and Cu is heated to evaporate by using filaments of W, Cu atoms evaporate and at this same instant, they collide against the residual gaseous molecules of low temp., grow to bigger sizes and stick to the inside wall of the device, thereby forming fine powder. The average grain sizes of this fine powder is within a 0.1-0.01mu range. Next, this fine powder is recovered, and is molded under pressurizing at about 350 deg.C by using a vacuum hot press, then, the molding is machined, ground and finished to accuracy of about 0.5-1mu surface roughness, whereby it is made into the product of a black color tone. Metals and alloys having the characteristics required depending upon use objects are selected for the ultrafine powder. It is equally well to use plasma jet flames as a method of producing the ultrafine powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56057037A JPS57171601A (en) | 1981-04-17 | 1981-04-17 | Black color metal for decoration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56057037A JPS57171601A (en) | 1981-04-17 | 1981-04-17 | Black color metal for decoration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57171601A true JPS57171601A (en) | 1982-10-22 |
Family
ID=13044239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56057037A Pending JPS57171601A (en) | 1981-04-17 | 1981-04-17 | Black color metal for decoration |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57171601A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59205401A (en) * | 1983-05-10 | 1984-11-21 | Toyota Motor Corp | Ceramics-metal composite fine powder |
-
1981
- 1981-04-17 JP JP56057037A patent/JPS57171601A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59205401A (en) * | 1983-05-10 | 1984-11-21 | Toyota Motor Corp | Ceramics-metal composite fine powder |
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