CA2208377C - Composite, internal reinforced ceramic cores and related methods - Google Patents
Composite, internal reinforced ceramic cores and related methods Download PDFInfo
- Publication number
- CA2208377C CA2208377C CA002208377A CA2208377A CA2208377C CA 2208377 C CA2208377 C CA 2208377C CA 002208377 A CA002208377 A CA 002208377A CA 2208377 A CA2208377 A CA 2208377A CA 2208377 C CA2208377 C CA 2208377C
- Authority
- CA
- Canada
- Prior art keywords
- ceramic core
- ceramic
- core
- die
- strengthening
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000002131 composite material Substances 0.000 title 1
- 239000011226 reinforced ceramic Substances 0.000 title 1
- 239000000919 ceramic Substances 0.000 claims abstract description 84
- 238000005728 strengthening Methods 0.000 claims abstract description 49
- 238000005266 casting Methods 0.000 claims abstract description 28
- 229910052751 metal Inorganic materials 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000002002 slurry Substances 0.000 claims abstract description 8
- 230000006872 improvement Effects 0.000 claims abstract description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 10
- 239000002826 coolant Substances 0.000 claims description 9
- 238000002386 leaching Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- 239000011733 molybdenum Substances 0.000 claims description 5
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 5
- 239000010453 quartz Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 239000010937 tungsten Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 229910010293 ceramic material Inorganic materials 0.000 claims description 2
- 238000010304 firing Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 12
- 238000001816 cooling Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- APOYTRAZFJURPB-UHFFFAOYSA-N 2-methoxy-n-(2-methoxyethyl)-n-(trifluoro-$l^{4}-sulfanyl)ethanamine Chemical compound COCCN(S(F)(F)F)CCOC APOYTRAZFJURPB-UHFFFAOYSA-N 0.000 description 1
- 241000725175 Caladium bicolor Species 0.000 description 1
- 235000015966 Pleurocybella porrigens Nutrition 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 229910000601 superalloy Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
- B22C9/106—Vented or reinforced cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C21/00—Flasks; Accessories therefor
- B22C21/12—Accessories
- B22C21/14—Accessories for reinforcing or securing moulding materials or cores, e.g. gaggers, chaplets, pins, bars
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/131—Glass, ceramic, or sintered, fused, fired, or calcined metal oxide or metal carbide containing [e.g., porcelain, brick, cement, etc.]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Compositions Of Oxide Ceramics (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/677,997 US5947181A (en) | 1996-07-10 | 1996-07-10 | Composite, internal reinforced ceramic cores and related methods |
| US08/677,997 | 1996-07-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2208377A1 CA2208377A1 (en) | 1998-01-10 |
| CA2208377C true CA2208377C (en) | 2006-06-06 |
Family
ID=24720952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002208377A Expired - Lifetime CA2208377C (en) | 1996-07-10 | 1997-06-20 | Composite, internal reinforced ceramic cores and related methods |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5947181A (enExample) |
| EP (1) | EP0818256B1 (enExample) |
| JP (1) | JP4344787B2 (enExample) |
| CA (1) | CA2208377C (enExample) |
| DE (1) | DE69727729T2 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489668A (zh) * | 2011-12-06 | 2012-06-13 | 辽宁速航特铸材料有限公司 | 一种通过预埋耐火绳解决陶瓷型芯开裂的方法 |
Families Citing this family (47)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6932145B2 (en) * | 1998-11-20 | 2005-08-23 | Rolls-Royce Corporation | Method and apparatus for production of a cast component |
| US6315941B1 (en) | 1999-06-24 | 2001-11-13 | Howmet Research Corporation | Ceramic core and method of making |
| US6626230B1 (en) * | 1999-10-26 | 2003-09-30 | Howmet Research Corporation | Multi-wall core and process |
| ATE355918T1 (de) * | 1999-12-08 | 2007-03-15 | Gen Electric | Kern zur einstellung der wanddicke einer turbinenschaufel und verfahren |
| DE10041505A1 (de) * | 1999-12-23 | 2001-09-06 | Alstom Schweiz Ag Baden | Werkzeug zur Herstellung von Gusskernen |
| EP1404501B1 (en) | 2001-06-05 | 2012-08-01 | Mikro Systems Inc. | Method and mold system for manufacturing three-dimensional devices |
| US6637500B2 (en) * | 2001-10-24 | 2003-10-28 | United Technologies Corporation | Cores for use in precision investment casting |
| US20040094287A1 (en) * | 2002-11-15 | 2004-05-20 | General Electric Company | Elliptical core support and plug for a turbine bucket |
| US20050000674A1 (en) * | 2003-07-01 | 2005-01-06 | Beddard Thomas Bradley | Perimeter-cooled stage 1 bucket core stabilizing device and related method |
| US6966756B2 (en) * | 2004-01-09 | 2005-11-22 | General Electric Company | Turbine bucket cooling passages and internal core for producing the passages |
| US20080028606A1 (en) * | 2006-07-26 | 2008-02-07 | General Electric Company | Low stress turbins bucket |
| US7690894B1 (en) | 2006-09-25 | 2010-04-06 | Florida Turbine Technologies, Inc. | Ceramic core assembly for serpentine flow circuit in a turbine blade |
| US20080110024A1 (en) * | 2006-11-14 | 2008-05-15 | Reilly P Brennan | Airfoil casting methods |
| GB2444483B (en) * | 2006-12-09 | 2010-07-14 | Rolls Royce Plc | A core for use in a casting mould |
| US7762774B2 (en) * | 2006-12-15 | 2010-07-27 | Siemens Energy, Inc. | Cooling arrangement for a tapered turbine blade |
| US9315663B2 (en) | 2008-09-26 | 2016-04-19 | Mikro Systems, Inc. | Systems, devices, and/or methods for manufacturing castings |
| US9017027B2 (en) * | 2011-01-06 | 2015-04-28 | Siemens Energy, Inc. | Component having cooling channel with hourglass cross section |
| US8813824B2 (en) * | 2011-12-06 | 2014-08-26 | Mikro Systems, Inc. | Systems, devices, and/or methods for producing holes |
| US8261810B1 (en) | 2012-01-24 | 2012-09-11 | Florida Turbine Technologies, Inc. | Turbine airfoil ceramic core with strain relief slot |
| US9713838B2 (en) * | 2013-05-14 | 2017-07-25 | General Electric Company | Static core tie rods |
| US10072503B2 (en) | 2013-08-14 | 2018-09-11 | Elwha Llc | Dual element turbine blade |
| DE102014207791A1 (de) * | 2014-04-25 | 2015-10-29 | Siemens Aktiengesellschaft | Verfahren zum Feingießen von metallischen Bauteilen |
| US9649687B2 (en) * | 2014-06-20 | 2017-05-16 | United Technologies Corporation | Method including fiber reinforced casting article |
| GB201503640D0 (en) * | 2015-03-04 | 2015-04-15 | Rolls Royce Plc | A core for an investment casting process |
| FR3034128B1 (fr) * | 2015-03-23 | 2017-04-14 | Snecma | Noyau ceramique pour aube de turbine multi-cavites |
| US10099283B2 (en) | 2015-12-17 | 2018-10-16 | General Electric Company | Method and assembly for forming components having an internal passage defined therein |
| US9579714B1 (en) | 2015-12-17 | 2017-02-28 | General Electric Company | Method and assembly for forming components having internal passages using a lattice structure |
| US10099284B2 (en) | 2015-12-17 | 2018-10-16 | General Electric Company | Method and assembly for forming components having a catalyzed internal passage defined therein |
| US9968991B2 (en) | 2015-12-17 | 2018-05-15 | General Electric Company | Method and assembly for forming components having internal passages using a lattice structure |
| US10137499B2 (en) | 2015-12-17 | 2018-11-27 | General Electric Company | Method and assembly for forming components having an internal passage defined therein |
| US10150158B2 (en) | 2015-12-17 | 2018-12-11 | General Electric Company | Method and assembly for forming components having internal passages using a jacketed core |
| US9987677B2 (en) | 2015-12-17 | 2018-06-05 | General Electric Company | Method and assembly for forming components having internal passages using a jacketed core |
| US10046389B2 (en) | 2015-12-17 | 2018-08-14 | General Electric Company | Method and assembly for forming components having internal passages using a jacketed core |
| US10099276B2 (en) | 2015-12-17 | 2018-10-16 | General Electric Company | Method and assembly for forming components having an internal passage defined therein |
| US10118217B2 (en) | 2015-12-17 | 2018-11-06 | General Electric Company | Method and assembly for forming components having internal passages using a jacketed core |
| US10697305B2 (en) * | 2016-01-08 | 2020-06-30 | General Electric Company | Method for making hybrid ceramic/metal, ceramic/ceramic body by using 3D printing process |
| US10286450B2 (en) | 2016-04-27 | 2019-05-14 | General Electric Company | Method and assembly for forming components using a jacketed core |
| US10335853B2 (en) | 2016-04-27 | 2019-07-02 | General Electric Company | Method and assembly for forming components using a jacketed core |
| US10443403B2 (en) | 2017-01-23 | 2019-10-15 | General Electric Company | Investment casting core |
| GB201701365D0 (en) * | 2017-01-27 | 2017-03-15 | Rolls Royce Plc | A ceramic core for an investment casting process |
| US10626797B2 (en) | 2017-02-15 | 2020-04-21 | General Electric Company | Turbine engine compressor with a cooling circuit |
| US11021968B2 (en) * | 2018-11-19 | 2021-06-01 | General Electric Company | Reduced cross flow linking cavities and method of casting |
| US10981217B2 (en) * | 2018-11-19 | 2021-04-20 | General Electric Company | Leachable casting core and method of manufacture |
| AT522989B1 (de) | 2019-10-03 | 2021-12-15 | Fill Gmbh | Oberflächenbehandlungsverfahren |
| DE212020000558U1 (de) * | 2020-12-17 | 2021-11-08 | Jiangsu Fangshiyuanlve Scientific And Technological Consulting Co., Ltd | Mit Sand umhüllter Sandkern eines Ventils |
| US11998974B2 (en) | 2022-08-30 | 2024-06-04 | General Electric Company | Casting core for a cast engine component |
| CN116900251A (zh) * | 2023-07-31 | 2023-10-20 | 共享装备股份有限公司 | 一种应用于铸件的结构成型工装及成型方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3160931A (en) * | 1961-01-03 | 1964-12-15 | Union Carbide Corp | Core casting method |
| GB1549819A (en) * | 1976-11-03 | 1979-08-08 | Thermal Syndicate Ltd | Reinforced vitreous silica casting core |
| GB2102317B (en) * | 1981-07-03 | 1985-10-09 | Rolls Royce | Internally reinforced core for casting |
| US4596281A (en) * | 1982-09-02 | 1986-06-24 | Trw Inc. | Mold core and method of forming internal passages in an airfoil |
| US4905750A (en) * | 1988-08-30 | 1990-03-06 | Amcast Industrial Corporation | Reinforced ceramic passageway forming member |
| GB9317518D0 (en) * | 1993-08-23 | 1993-10-06 | Rolls Royce Plc | Improvements in or relating to investment casting |
-
1996
- 1996-07-10 US US08/677,997 patent/US5947181A/en not_active Expired - Lifetime
-
1997
- 1997-06-20 CA CA002208377A patent/CA2208377C/en not_active Expired - Lifetime
- 1997-07-04 EP EP97304905A patent/EP0818256B1/en not_active Expired - Lifetime
- 1997-07-04 DE DE69727729T patent/DE69727729T2/de not_active Expired - Lifetime
- 1997-07-08 JP JP18192197A patent/JP4344787B2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489668A (zh) * | 2011-12-06 | 2012-06-13 | 辽宁速航特铸材料有限公司 | 一种通过预埋耐火绳解决陶瓷型芯开裂的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4344787B2 (ja) | 2009-10-14 |
| DE69727729T2 (de) | 2004-12-02 |
| EP0818256B1 (en) | 2004-02-25 |
| CA2208377A1 (en) | 1998-01-10 |
| EP0818256A1 (en) | 1998-01-14 |
| DE69727729D1 (de) | 2004-04-01 |
| JPH1080747A (ja) | 1998-03-31 |
| US5947181A (en) | 1999-09-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20170620 |