GB1033401A - Improvements relating to fluid-mould casting - Google Patents
Improvements relating to fluid-mould castingInfo
- Publication number
- GB1033401A GB1033401A GB9366/63A GB936663A GB1033401A GB 1033401 A GB1033401 A GB 1033401A GB 9366/63 A GB9366/63 A GB 9366/63A GB 936663 A GB936663 A GB 936663A GB 1033401 A GB1033401 A GB 1033401A
- Authority
- GB
- United Kingdom
- Prior art keywords
- slag
- fluoride
- na2o
- casting
- cao
- 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
- B22D7/00—Casting ingots, e.g. from ferrous metals
-
- 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
Abstract
A casting slag composition consists of 10-60% by wt. of alumina, 10-60% of calcium oxide, 2-20% of titania, 5-50% of an alkali metal or alkaline earth metal fluoride, up to 10% each of magnesia, and sodium oxide, and optionally up to 5% of silica. The fluoride may be cryolite, fluorspar, or sodium fluoride but other alkali metals are referred to CaO, Al2O3, and MgO (if present) should constitute 75% of the total, and the fluorides plus Na2O should not exceed 25%. The composition should not contain more than 1% of Mn, Fe, Cn, Ni, and Cu; boron compounds should be absent. Na2O may be added in the form of soda ash, and MgO as dolomite. The slag melts at 1280 DEG C. and has no thermal asserts from 1650 DEG C. down to its melting point and particularly suited to casting nickel alloy ingots, e.g. Ni alloys containing 7% by wt. or more of nickel together with oxides of Al, Ti, Mg or Zn, which contribute to age hardening and de-oxidising. The molten alloy is turned into a mould containing molten slag used in proportions of 18 Kg.slag to 1000 Kg. metal, at 1600 DEG C. After cooling to red heat, the mould is stripped, leaving an ingot ready for forging.ALSO:A casting slag composition consists of 10-60% by weight of alumina, 10-60% of calcium oxide, 2-20% of titania, 5-50% of an alkali metal or alkaline earth metal fluoride, up to 10% each of magnesia and sodium oxide, and optionally up to 5% of silica. The fluoride may be cryolite, fluorspar, sodium fluoride, but other alkali metals are referred to. CaO, Al2O3, and MgO (if present) should constitute 75% of the total, and the fluorides plus Na2O should not exceed 25%. The composition should not contain more than 1% of Mn, Fe, Cr, Ni and Cu; boron compounds should be absent. Na2O may be added in the form of soda ash, and CaO as dolomite. The slag melts at 1260 DEG to 1280 DEG C. and has no thermal arrests from 1650 DEG C. down to its melting point. It is especially suited to casting nickel alloy ingots using 18 Kg slag to 1000 Kg of the molten alloy.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US182974A US3214806A (en) | 1962-03-27 | 1962-03-27 | Method for fluid mold casting using casting slag |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1033401A true GB1033401A (en) | 1966-06-22 |
Family
ID=22670881
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9366/63A Expired GB1033401A (en) | 1962-03-27 | 1963-03-08 | Improvements relating to fluid-mould casting |
Country Status (2)
Country | Link |
---|---|
US (1) | US3214806A (en) |
GB (1) | GB1033401A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3444010A (en) * | 1966-10-03 | 1969-05-13 | Int Nickel Co | Fluid-mold casting slag |
US3598170A (en) * | 1968-09-19 | 1971-08-10 | Int Nickel Co | Fluid-mold casting process |
US3883347A (en) * | 1971-02-16 | 1975-05-13 | Aikoh Co | Slag-forming agent for steelmaking |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US625656A (en) * | 1899-05-23 | Product from blast-furnace slag | ||
US929688A (en) * | 1908-12-17 | 1909-08-03 | Monnot Metallurg Company | Process of casting metal ingots. |
US1091330A (en) * | 1913-06-12 | 1914-03-24 | Charles R Gostling | Method for treating steel and iron in their manufacture. |
US2445377A (en) * | 1945-05-01 | 1948-07-20 | Electro Metallurg Co | Method of treating ores and concentrate produced thereby |
US2518738A (en) * | 1945-12-05 | 1950-08-15 | Armco Steel Corp | Casting of ingots |
US2493394A (en) * | 1946-08-27 | 1950-01-03 | Vanadium Corp Of America | Process of pouring metals and products produced thereby |
US2476453A (en) * | 1947-08-19 | 1949-07-19 | Quebec Iron & Titanium Corp | Titaniferous material for producing titanium dioxide |
US2694023A (en) * | 1950-04-08 | 1954-11-09 | Kellogg M W Co | Metal treating flux |
US2631344A (en) * | 1950-10-14 | 1953-03-17 | Union Carbide & Carbon Corp | Method of casting metal ingots |
US2824794A (en) * | 1954-05-18 | 1958-02-25 | Nat Lead Co | Process for fusion of high-melting metals |
US2862826A (en) * | 1956-08-13 | 1958-12-02 | Universal Marion Corp | Mold material for casting group ivb metals and method of making same |
US3067473A (en) * | 1960-03-29 | 1962-12-11 | Firth Sterling Inc | Producing superior quality ingot metal |
-
1962
- 1962-03-27 US US182974A patent/US3214806A/en not_active Expired - Lifetime
-
1963
- 1963-03-08 GB GB9366/63A patent/GB1033401A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3214806A (en) | 1965-11-02 |
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