GB1162322A - Casting - Google Patents
CastingInfo
- Publication number
- GB1162322A GB1162322A GB04824/67A GB1482467A GB1162322A GB 1162322 A GB1162322 A GB 1162322A GB 04824/67 A GB04824/67 A GB 04824/67A GB 1482467 A GB1482467 A GB 1482467A GB 1162322 A GB1162322 A GB 1162322A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mould
- metal
- cast
- mesh
- steel
- 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
- 238000005266 casting Methods 0.000 title abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 6
- 239000002184 metal Substances 0.000 abstract 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 238000002485 combustion reaction Methods 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 229910001220 stainless steel Inorganic materials 0.000 abstract 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 abstract 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 abstract 1
- 229910001315 Tool steel Inorganic materials 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 abstract 1
- 239000000956 alloy Substances 0.000 abstract 1
- 238000005261 decarburization Methods 0.000 abstract 1
- 238000010304 firing Methods 0.000 abstract 1
- 229910001105 martensitic stainless steel Inorganic materials 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- XREXPQGDOPQPAH-QKUPJAQQSA-K trisodium;[(z)-18-[1,3-bis[[(z)-12-sulfonatooxyoctadec-9-enoyl]oxy]propan-2-yloxy]-18-oxooctadec-9-en-7-yl] sulfate Chemical compound [Na+].[Na+].[Na+].CCCCCCC(OS([O-])(=O)=O)C\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CC(CCCCCC)OS([O-])(=O)=O)COC(=O)CCCCCCC\C=C/CC(CCCCCC)OS([O-])(=O)=O XREXPQGDOPQPAH-QKUPJAQQSA-K 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C3/00—Selection of compositions for coating the surfaces of moulds, cores, or patterns
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mold Materials And Core Materials (AREA)
Abstract
1,162,322. Casting processes. MONSANTO CHEMICALS Ltd. 4 March, 1968 [31 March, 1967], No. 14824/67. Addition to 1,132,361. Heading B3F. [Also in Division C3] Metal is cast into a block or piece mould containing or surrounded by particulate active C undergoing combustion. The metal may be cast after combustion of C has proceeded long enough for air to be purged from the permeable mould material. The C may be disposed in one or more sealed cavities within the mould, or the mould-body may be sealed into a jacket of vapour-impermeable material, e.g. mild steel, containing the C. The temperature of the mould when brought into association with the C is preferably 750 C., and the metal is preferably cast before the mould temperature drops below 500 C. The C particle size range is preferably 30+150 B.S.S. mesh, and has specific surface area 500 m.<SP>2</SP>g<SP>-1</SP>. The mould may be made by the lost wax process from a slurry of hydrolysed ethyl silicate or silica aquasol and coarse refractory aggregate, e.g. with grading distribution - 30 + 80 mesh 65%, and - 200 mesh, 35%. The mould is dried and then fired, e.g. at 950-1100 C. The metal is normally cast more or less immediately the mould is removed from the firing furnace. If cavities for C are to be provided, fusible patterns for these are placed on a base-plate with the main mould pattern. The metal may be high-chromium steel, or lowcarbon, high-alloy tool steel, or ferritic or martensitic stainless steel. Decarburization of the metal surface is reduced or avoided.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB04824/67A GB1162322A (en) | 1967-03-31 | 1967-03-31 | Casting |
| US714347A US3590903A (en) | 1967-03-31 | 1968-03-19 | Production of metal castings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB04824/67A GB1162322A (en) | 1967-03-31 | 1967-03-31 | Casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1162322A true GB1162322A (en) | 1969-08-27 |
Family
ID=10048125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB04824/67A Expired GB1162322A (en) | 1967-03-31 | 1967-03-31 | Casting |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3590903A (en) |
| GB (1) | GB1162322A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5372179A (en) * | 1987-09-05 | 1994-12-13 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Mold surface treatment process and mold |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL87448C (en) * | 1953-10-16 | |||
| US3153826A (en) * | 1962-01-10 | 1964-10-27 | Prec Metalsmiths Inc | Precision casting molds and techniques |
| US3420291A (en) * | 1965-12-29 | 1969-01-07 | Trw Inc | Method for reducing metal casting porosity |
| GB1132361A (en) * | 1966-01-17 | 1968-10-30 | Monsanto Chemicals | Casting metals |
| US3441078A (en) * | 1967-02-01 | 1969-04-29 | Trw Inc | Method and apparatus for improving grain structures and soundness of castings |
-
1967
- 1967-03-31 GB GB04824/67A patent/GB1162322A/en not_active Expired
-
1968
- 1968-03-19 US US714347A patent/US3590903A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3590903A (en) | 1971-07-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLE | Entries relating assignments, transmissions, licences in the register of patents | ||
| PCNP | Patent ceased through non-payment of renewal fee |