GB822533A - Improvements in grain oriented ingots - Google Patents
Improvements in grain oriented ingotsInfo
- Publication number
- GB822533A GB822533A GB29233/57A GB2923357A GB822533A GB 822533 A GB822533 A GB 822533A GB 29233/57 A GB29233/57 A GB 29233/57A GB 2923357 A GB2923357 A GB 2923357A GB 822533 A GB822533 A GB 822533A
- Authority
- GB
- United Kingdom
- Prior art keywords
- heat
- slab
- ingot
- mould
- melt
- 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
-
- 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
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
- B22D27/045—Directionally solidified castings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mold Materials And Core Materials (AREA)
Abstract
<PICT:0822533/III/1> <PICT:0822533/III/2> Grain-oriented ingots are cast in a mould cavity 18 (Fig. 1) formed in rammed pulverulent moulding material 13, and lined with a compacted mass of pulverulent material 16 which emits heat by an exothermic reaction when contacted with the molten metal, the ingot being formed by removing heat through a base-plate 10 to coolant flowing through a heat-exchanger 11. The material 16 is thicker towards the top to ensure that solidification of the melt progresses from the bottom to the top to obtain an ingot composed of elongated columnar grains. The material 16 may be a mixture of crushed fired clay, powdered aliminium, iron oxide and sodium nitrate. When the ingot is grown on a seed slab 25 (Fig. 4) at the bottom of the mould, the slab 25 is insulated from plate 10 by being supported on spacing elements 26, so that the surface of the seed slab may melt before solidification begins. A limited flow of molten metal passes through a space 28 and fills the insulating space under the slab 25 and solidifies therein, so that heat is then extracted from the melt in the mould by the heat exchanger.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US822533XA | 1956-09-20 | 1956-09-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB822533A true GB822533A (en) | 1959-10-28 |
Family
ID=22170027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB29233/57A Expired GB822533A (en) | 1956-09-20 | 1957-09-17 | Improvements in grain oriented ingots |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB822533A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7204294B2 (en) | 2004-03-18 | 2007-04-17 | Rolls-Royce Plc | Casting method |
-
1957
- 1957-09-17 GB GB29233/57A patent/GB822533A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7204294B2 (en) | 2004-03-18 | 2007-04-17 | Rolls-Royce Plc | Casting method |
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