JPS6465071A - Member having resistance to corrosion caused by molten copper - Google Patents
Member having resistance to corrosion caused by molten copperInfo
- Publication number
- JPS6465071A JPS6465071A JP62220285A JP22028587A JPS6465071A JP S6465071 A JPS6465071 A JP S6465071A JP 62220285 A JP62220285 A JP 62220285A JP 22028587 A JP22028587 A JP 22028587A JP S6465071 A JPS6465071 A JP S6465071A
- Authority
- JP
- Japan
- Prior art keywords
- carbide
- copper
- molten copper
- interface
- air
- 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
- Ceramic Products (AREA)
Abstract
PURPOSE:To improve resistance of a member to corrosion caused by molten copper by constituting the member of C, B4C, and a carbide other than B4C in specified proportions of said three components. CONSTITUTION:The title member comprises a molded body consisting of 40-98wt.% C, and 60-2wt.% B4C + another carbide, wherein the proportion by weight of B4C to another carbide other than B4C is 1:(0.2-1). Said carbide other than B4C is, for example, CaC2, Cr3C2, SiC, TiC, etc. In this corrosion resistant member, graphite has relatively high corrosion resistance to molten copper among C materials as known conventionally. B4C and other carbide B4C have an effect for inhibiting oxidation at an interface between copper and air. But, when the content exceeds 60%, the thermal shock resistance decreases and the wettability for molten copper increases. On one hand, when the content of C is <2%, the erosion preventing effect at the interface between copper and air is lost. The proportion of B4C to other carbide is regulated to the above described range in order to obtain maximum oxidation preventing effect at the interface between copper and air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62220285A JPS6465071A (en) | 1987-09-04 | 1987-09-04 | Member having resistance to corrosion caused by molten copper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62220285A JPS6465071A (en) | 1987-09-04 | 1987-09-04 | Member having resistance to corrosion caused by molten copper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6465071A true JPS6465071A (en) | 1989-03-10 |
Family
ID=16748777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62220285A Pending JPS6465071A (en) | 1987-09-04 | 1987-09-04 | Member having resistance to corrosion caused by molten copper |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6465071A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59131576A (en) * | 1983-01-19 | 1984-07-28 | 工業技術院長 | Acid-resistant high strength carbon material |
| JPS60118671A (en) * | 1983-11-28 | 1985-06-26 | 工業技術院長 | Manufacture of high density high strength graphite-ceramic composite sintered body |
| JPS62131347A (en) * | 1985-12-04 | 1987-06-13 | Fuji Electric Co Ltd | Hold time monitor circuit |
| JPS6445773A (en) * | 1987-05-29 | 1989-02-20 | Kawasaki Steel Co | Production of isotropic, high-density and high-strength carbonaceous material with outstanding oxidation resistance |
-
1987
- 1987-09-04 JP JP62220285A patent/JPS6465071A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59131576A (en) * | 1983-01-19 | 1984-07-28 | 工業技術院長 | Acid-resistant high strength carbon material |
| JPS60118671A (en) * | 1983-11-28 | 1985-06-26 | 工業技術院長 | Manufacture of high density high strength graphite-ceramic composite sintered body |
| JPS62131347A (en) * | 1985-12-04 | 1987-06-13 | Fuji Electric Co Ltd | Hold time monitor circuit |
| JPS6445773A (en) * | 1987-05-29 | 1989-02-20 | Kawasaki Steel Co | Production of isotropic, high-density and high-strength carbonaceous material with outstanding oxidation resistance |
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