ATE80817T1 - Verfahren zum wiedergewinnen von gegossenen feuerfesten zusammensetzungen aus schlicker, verwendet beim modellausschmelzverfahren und kerne. - Google Patents
Verfahren zum wiedergewinnen von gegossenen feuerfesten zusammensetzungen aus schlicker, verwendet beim modellausschmelzverfahren und kerne.Info
- Publication number
- ATE80817T1 ATE80817T1 AT89100903T AT89100903T ATE80817T1 AT E80817 T1 ATE80817 T1 AT E80817T1 AT 89100903 T AT89100903 T AT 89100903T AT 89100903 T AT89100903 T AT 89100903T AT E80817 T1 ATE80817 T1 AT E80817T1
- Authority
- AT
- Austria
- Prior art keywords
- cores
- fusioning
- recovering
- calcined
- binder
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title abstract 2
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 abstract 3
- 239000011230 binding agent Substances 0.000 abstract 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 150000002894 organic compounds Chemical class 0.000 abstract 1
- IBSDADOZMZEYKD-UHFFFAOYSA-H oxalate;yttrium(3+) Chemical compound [Y+3].[Y+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O IBSDADOZMZEYKD-UHFFFAOYSA-H 0.000 abstract 1
- 235000006408 oxalic acid Nutrition 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B59/00—Obtaining rare earth metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
- B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
- B22C1/165—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents in the manufacture of multilayered shell moulds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
- C01F17/218—Yttrium oxides or hydroxides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
- C22B7/007—Wet processes by acid leaching
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Metallurgy (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Processing Of Solid Wastes (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/153,063 US4799530A (en) | 1988-02-08 | 1988-02-08 | Method for recovering casting refractory compositions from investment casting slurries |
| EP89100903A EP0327851B1 (de) | 1988-02-08 | 1989-01-19 | Verfahren zum Wiedergewinnen von gegossenen feuerfesten Zusammensetzungen aus Schlicker, verwendet beim Modellausschmelzverfahren und Kerne |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE80817T1 true ATE80817T1 (de) | 1992-10-15 |
Family
ID=22545623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT89100903T ATE80817T1 (de) | 1988-02-08 | 1989-01-19 | Verfahren zum wiedergewinnen von gegossenen feuerfesten zusammensetzungen aus schlicker, verwendet beim modellausschmelzverfahren und kerne. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4799530A (de) |
| EP (1) | EP0327851B1 (de) |
| JP (1) | JPH01282120A (de) |
| AT (1) | ATE80817T1 (de) |
| DE (1) | DE68902929T2 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5535811A (en) * | 1987-01-28 | 1996-07-16 | Remet Corporation | Ceramic shell compositions for casting of reactive metals |
| US4815516A (en) * | 1988-03-04 | 1989-03-28 | Precision Castparts Corp. | Method for recovering casting refractory compositions from investment casting shell molds |
| US4952246A (en) * | 1989-08-23 | 1990-08-28 | Dependable Foundry Equipment Company, Inc. | Plant and method for reconditioning green foundry sand |
| US5435959A (en) * | 1993-12-17 | 1995-07-25 | Nike, Inc. | Method of making a mold and parts from the mold |
| US20070181278A1 (en) * | 2006-02-09 | 2007-08-09 | Bancheri Stephen F | Method of removal of cores from niobium-based part |
| CN101535214B (zh) * | 2006-11-10 | 2013-06-05 | 邦特罗克实业公司 | 用于铸造活性合金的模具系统 |
| US9334549B2 (en) * | 2013-12-20 | 2016-05-10 | General Electric Company | Systems and methods for recovery of rare-earth constituents from environmental barrier coatings |
| US10041890B2 (en) * | 2015-08-04 | 2018-08-07 | United Technologies Corporation | Radiopaque protective fill for manufacture, repair, or remanufacture of cooled components |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL131569C (de) * | 1965-12-28 | 1900-01-01 | ||
| US3635658A (en) * | 1969-04-02 | 1972-01-18 | Sylvania Electric Prod | Rare earth oxide process |
| SU530731A1 (ru) * | 1975-05-22 | 1976-10-05 | Предприятие П/Я М-5539 | Суспензи дл изготовлени керамических литейных форм |
| SU856645A1 (ru) * | 1979-11-16 | 1981-08-23 | Предприятие П/Я В-2190 | Способ регенерации порошков огнеупорных окислов из отходов суспензии при производстве лить в керамических формах |
| US4386056A (en) * | 1982-07-30 | 1983-05-31 | Westinghouse Electric Corp. | Recovery of yttrium and europium from contaminated solutions |
| JPS60161330A (ja) * | 1984-01-31 | 1985-08-23 | Kasei Optonix Co Ltd | 廃希土類蛍光体からの高純度希土類酸化物の回収方法 |
| JPS6126513A (ja) * | 1984-07-13 | 1986-02-05 | Asahi Chem Ind Co Ltd | 希土類元素複合酸化物の製造法 |
| JPS6147779A (ja) * | 1984-08-14 | 1986-03-08 | Mitsui Mining & Smelting Co Ltd | 廃家電製品からの螢光塗料回収方法 |
| US4703806A (en) * | 1986-07-11 | 1987-11-03 | Howmet Turbine Components Corporation | Ceramic shell mold facecoat and core coating systems for investment casting of reactive metals |
-
1988
- 1988-02-08 US US07/153,063 patent/US4799530A/en not_active Expired - Lifetime
-
1989
- 1989-01-19 DE DE8989100903T patent/DE68902929T2/de not_active Expired - Fee Related
- 1989-01-19 AT AT89100903T patent/ATE80817T1/de not_active IP Right Cessation
- 1989-01-19 EP EP89100903A patent/EP0327851B1/de not_active Expired - Lifetime
- 1989-01-23 JP JP1012044A patent/JPH01282120A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE68902929D1 (de) | 1992-10-29 |
| EP0327851A3 (en) | 1989-09-20 |
| DE68902929T2 (de) | 1993-03-25 |
| JPH01282120A (ja) | 1989-11-14 |
| EP0327851A2 (de) | 1989-08-16 |
| EP0327851B1 (de) | 1992-09-23 |
| US4799530A (en) | 1989-01-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |