JPS57152364A - Composite casting method of high silicon aluminum alloy - Google Patents
Composite casting method of high silicon aluminum alloyInfo
- Publication number
- JPS57152364A JPS57152364A JP3821881A JP3821881A JPS57152364A JP S57152364 A JPS57152364 A JP S57152364A JP 3821881 A JP3821881 A JP 3821881A JP 3821881 A JP3821881 A JP 3821881A JP S57152364 A JPS57152364 A JP S57152364A
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- primary crystal
- additive materials
- aluminum alloy
- casting method
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/20—Measures not previously mentioned for influencing the grain structure or texture; Selection of compositions therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Abstract
PURPOSE:To add additive materials without the formation of coarse grains of fined primary crystal Si and to improve abrasion resistance and machineability by adding the additive materials to a find high Si-Al alloy under agitation in a semi-molten state. CONSTITUTION:A high Si-Al alloy is melted and is cooled quickly to form an alloy base metal wherein the primary crystal Si in the alloy is fined. Next, this alloy base metal is put in a graphite crucible where it is heated to its eutectic temp. or below and is held in a semi-molten state. Graphite powder is added to this under agitation, In this way, the primary crystal Si is maintained in a fine state simply by controlling its temp., and the high Si-Al alloy is formed to the structure wherein its components and additive materials are uniformly dispersed and contained.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3821881A JPS57152364A (en) | 1981-03-17 | 1981-03-17 | Composite casting method of high silicon aluminum alloy |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3821881A JPS57152364A (en) | 1981-03-17 | 1981-03-17 | Composite casting method of high silicon aluminum alloy |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57152364A true JPS57152364A (en) | 1982-09-20 |
Family
ID=12519162
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3821881A Pending JPS57152364A (en) | 1981-03-17 | 1981-03-17 | Composite casting method of high silicon aluminum alloy |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57152364A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4617979A (en) * | 1984-07-19 | 1986-10-21 | Nikkei Kako Kabushiki Kaisha | Method for manufacture of cast articles of fiber-reinforced aluminum composite |
-
1981
- 1981-03-17 JP JP3821881A patent/JPS57152364A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4617979A (en) * | 1984-07-19 | 1986-10-21 | Nikkei Kako Kabushiki Kaisha | Method for manufacture of cast articles of fiber-reinforced aluminum composite |
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