GB989802A - Improvement in or relating to the modification of aluminium base alloys containing silicon - Google Patents
Improvement in or relating to the modification of aluminium base alloys containing siliconInfo
- Publication number
- GB989802A GB989802A GB3427361A GB3427361A GB989802A GB 989802 A GB989802 A GB 989802A GB 3427361 A GB3427361 A GB 3427361A GB 3427361 A GB3427361 A GB 3427361A GB 989802 A GB989802 A GB 989802A
- Authority
- GB
- United Kingdom
- Prior art keywords
- silicon
- aluminium
- alloy
- alloys containing
- base alloys
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Aluminium base alloys containing at least 2% silicon are modified to improve the microstructure by adding to the molten alloy 0.05% by weight sulphur as the modifying agent. If the alloy is hypereutectic, i.e. contains silicon in excess of 11.7% as primary grains, the effect of sulphur is enhanced by also adding, e.g. 0.015%, of phosphorus preferably as phosphorcopper. The modifying agents may be wrapped in aluminium foil and plunged in the melt of aluminium-silicon alloy heated to 720-760 DEG C. Prior art discloses the adding of sodium to the melt of hypo-eutectic aluminium-silicon alloys. Specific final alloy compositions disclosed fall within the range: - 4.12-23.50% Si, 0.65-0.72% Fe, 0-0.108% Cu, 0-011% P, 0-0.012% S, balance Al.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19611271994 DE1271994B (en) | 1961-09-19 | 1961-09-19 | Process for modifying silicon-containing aluminum alloys |
| GB3427361A GB989802A (en) | 1961-09-25 | 1961-09-25 | Improvement in or relating to the modification of aluminium base alloys containing silicon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3427361A GB989802A (en) | 1961-09-25 | 1961-09-25 | Improvement in or relating to the modification of aluminium base alloys containing silicon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB989802A true GB989802A (en) | 1965-04-22 |
Family
ID=10363578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3427361A Expired GB989802A (en) | 1961-09-19 | 1961-09-25 | Improvement in or relating to the modification of aluminium base alloys containing silicon |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB989802A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2539886C1 (en) * | 2013-06-20 | 2015-01-27 | Сергей Владимирович Махов | Method for obtaining aluminium-phosphorus alloy combination |
| CN116970831A (en) * | 2023-09-13 | 2023-10-31 | 四川航天职业技术学院(四川航天高级技工学校) | Refining method of high-silicon aluminum alloy |
-
1961
- 1961-09-25 GB GB3427361A patent/GB989802A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2539886C1 (en) * | 2013-06-20 | 2015-01-27 | Сергей Владимирович Махов | Method for obtaining aluminium-phosphorus alloy combination |
| CN116970831A (en) * | 2023-09-13 | 2023-10-31 | 四川航天职业技术学院(四川航天高级技工学校) | Refining method of high-silicon aluminum alloy |
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