JPS5754235A - Production of mother alloy used for obtaining fine crystal grain of metal - Google Patents
Production of mother alloy used for obtaining fine crystal grain of metalInfo
- Publication number
- JPS5754235A JPS5754235A JP12894280A JP12894280A JPS5754235A JP S5754235 A JPS5754235 A JP S5754235A JP 12894280 A JP12894280 A JP 12894280A JP 12894280 A JP12894280 A JP 12894280A JP S5754235 A JPS5754235 A JP S5754235A
- Authority
- JP
- Japan
- Prior art keywords
- molten
- temp
- fine crystal
- mother alloy
- tial
- 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
Abstract
PURPOSE: To produce the title mother alloy which is stable in quality and exceedingly able to obtain fine crystal grains by following method in which metallic Ti, B compound and Na compound are added into molten Al, and said molten Al is refined under liquidus temp. of TiAl3 and then is cast into a mold.
CONSTITUTION: Metallic Ti, B compound and Na compound are added into molten Al, and then the molten Al is refined under the liquidus temp. T°C of TiAl3 shown by a formula I ([Ti], [B] indicate content percentages of Ti and B in the molten metal), while forced flow is being given said molten Al. This liquidus temp. T°C indicates a boundary temp. between a refining temp domain crystallizing an acicular TiAl3 and a refining temp. domain making a massive crystallized TiAl3. Next, this molten metal is poured into a mold, while the forced flow is being given the molten metal, and then it is solidified at a cooling rate above 20°C/min. Thereby, the mother alloy which contains 4W6% Ti and 0.6W1.2% B and is used to obtain fine crystal grain is produced. This mother alloy may be used to obtain fine crystal grain in Al or Al alloys.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12894280A JPS5754235A (en) | 1980-09-17 | 1980-09-17 | Production of mother alloy used for obtaining fine crystal grain of metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12894280A JPS5754235A (en) | 1980-09-17 | 1980-09-17 | Production of mother alloy used for obtaining fine crystal grain of metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5754235A true JPS5754235A (en) | 1982-03-31 |
Family
ID=14997210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12894280A Pending JPS5754235A (en) | 1980-09-17 | 1980-09-17 | Production of mother alloy used for obtaining fine crystal grain of metal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5754235A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63149066A (en) * | 1986-12-15 | 1988-06-21 | Tadayoshi Takahashi | Refining method for metal solidified structure |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52133011A (en) * | 1976-05-01 | 1977-11-08 | Mitsubishi Chem Ind Ltd | Production of al mother alloy containing ti and b |
-
1980
- 1980-09-17 JP JP12894280A patent/JPS5754235A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52133011A (en) * | 1976-05-01 | 1977-11-08 | Mitsubishi Chem Ind Ltd | Production of al mother alloy containing ti and b |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63149066A (en) * | 1986-12-15 | 1988-06-21 | Tadayoshi Takahashi | Refining method for metal solidified structure |
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