CA2445929C - Casting sand cores and expansion control methods therefor - Google Patents
Casting sand cores and expansion control methods therefor Download PDFInfo
- Publication number
- CA2445929C CA2445929C CA002445929A CA2445929A CA2445929C CA 2445929 C CA2445929 C CA 2445929C CA 002445929 A CA002445929 A CA 002445929A CA 2445929 A CA2445929 A CA 2445929A CA 2445929 C CA2445929 C CA 2445929C
- Authority
- CA
- Canada
- Prior art keywords
- sand
- core
- weight
- lithia
- containing material
- 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 - Fee Related
Links
- 238000005266 casting Methods 0.000 title claims description 38
- 238000000034 method Methods 0.000 title claims description 15
- 239000000463 material Substances 0.000 claims abstract description 41
- 229910001947 lithium oxide Inorganic materials 0.000 claims abstract description 34
- 238000005058 metal casting Methods 0.000 claims abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 133
- 239000004576 sand Substances 0.000 claims description 62
- 239000011230 binding agent Substances 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 21
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 15
- 239000000377 silicon dioxide Substances 0.000 claims description 8
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229910052681 coesite Inorganic materials 0.000 claims description 3
- 229910052906 cristobalite Inorganic materials 0.000 claims description 3
- -1 montebrasite Inorganic materials 0.000 claims description 3
- 229910052682 stishovite Inorganic materials 0.000 claims description 3
- 229910052905 tridymite Inorganic materials 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- 229910052642 spodumene Inorganic materials 0.000 claims description 2
- HEHRHMRHPUNLIR-UHFFFAOYSA-N aluminum;hydroxy-[hydroxy(oxo)silyl]oxy-oxosilane;lithium Chemical compound [Li].[Al].O[Si](=O)O[Si](O)=O.O[Si](=O)O[Si](O)=O HEHRHMRHPUNLIR-UHFFFAOYSA-N 0.000 claims 1
- 229910052822 amblygonite Inorganic materials 0.000 claims 1
- 229910000174 eucryptite Inorganic materials 0.000 claims 1
- 229910052629 lepidolite Inorganic materials 0.000 claims 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims 1
- 229910052808 lithium carbonate Inorganic materials 0.000 claims 1
- 229910052670 petalite Inorganic materials 0.000 claims 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract description 22
- 210000003462 vein Anatomy 0.000 abstract description 21
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 abstract description 16
- 230000007547 defect Effects 0.000 abstract description 11
- 230000015572 biosynthetic process Effects 0.000 abstract description 7
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 8
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 7
- 239000000654 additive Substances 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 235000013980 iron oxide Nutrition 0.000 description 6
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 4
- 241000282346 Meles meles Species 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 229910052595 hematite Inorganic materials 0.000 description 3
- 239000011019 hematite Substances 0.000 description 3
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000005350 fused silica glass Substances 0.000 description 2
- 229910052609 olivine Inorganic materials 0.000 description 2
- 239000010450 olivine Substances 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 229910052845 zircon Inorganic materials 0.000 description 2
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 2
- 241000755710 Eilica Species 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 229920005822 acrylic binder Polymers 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000011876 fused mixture Substances 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- WTFXARWRTYJXII-UHFFFAOYSA-N iron(2+);iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Fe+2].[Fe+3].[Fe+3] WTFXARWRTYJXII-UHFFFAOYSA-N 0.000 description 1
- YOBAEOGBNPPUQV-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe].[Fe] YOBAEOGBNPPUQV-UHFFFAOYSA-N 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate 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
- B22C9/06—Permanent moulds for shaped castings
-
- 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
- B22C1/02—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mold Materials And Core Materials (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/847,182 | 2001-05-01 | ||
| US09/847,182 US20020165292A1 (en) | 2001-05-01 | 2001-05-01 | Casting sand cores and expansion control methods therefor |
| PCT/US2002/013180 WO2002087807A1 (en) | 2001-05-01 | 2002-04-25 | Casting sand cores and expansion control methods therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2445929A1 CA2445929A1 (en) | 2002-11-07 |
| CA2445929C true CA2445929C (en) | 2008-04-08 |
Family
ID=25299997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002445929A Expired - Fee Related CA2445929C (en) | 2001-05-01 | 2002-04-25 | Casting sand cores and expansion control methods therefor |
Country Status (8)
| Country | Link |
|---|---|
| US (3) | US20020165292A1 (enExample) |
| EP (1) | EP1385655A1 (enExample) |
| JP (1) | JP4315685B2 (enExample) |
| KR (1) | KR20040015217A (enExample) |
| BR (1) | BR0209326B1 (enExample) |
| CA (1) | CA2445929C (enExample) |
| MX (1) | MXPA03009876A (enExample) |
| WO (1) | WO2002087807A1 (enExample) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020165292A1 (en) * | 2001-05-01 | 2002-11-07 | Baker Stephen G. | Casting sand cores and expansion control methods therefor |
| US8011419B2 (en) * | 2007-10-03 | 2011-09-06 | Igc Technologies, Llc | Material used to combat thermal expansion related defects in the metal casting process |
| US20090114365A1 (en) * | 2007-11-07 | 2009-05-07 | Igc Technologies, Llc | Material used to combat thermal expansion related defects in high temperature casting processes |
| US8007580B2 (en) * | 2007-11-07 | 2011-08-30 | Igc Technologies, Llc | Material used to combat thermal expansion related defects in high temperature casting processes |
| US7938169B2 (en) * | 2008-06-20 | 2011-05-10 | Prince Minerals, Inc. | Anti-veining agent for metal casting |
| US8436073B2 (en) | 2009-10-06 | 2013-05-07 | Amcol International | Lignite-based foundry resins |
| US8623959B2 (en) * | 2009-10-06 | 2014-01-07 | Joseph M. Fuqua | Non-veining urethane resins for foundry sand casting |
| US8309620B2 (en) * | 2009-10-06 | 2012-11-13 | Amcol International Corp. | Lignite-based urethane resins with enhanced suspension properties and foundry sand binder performance |
| US8426494B2 (en) * | 2009-10-06 | 2013-04-23 | Amcol International Corp. | Lignite urethane based resins for enhanced foundry sand performance |
| US8853299B2 (en) * | 2009-10-06 | 2014-10-07 | Amcol International Corp. | Lignite-based urethane resins with enhanced suspension properties and foundry sand binder performance |
| US8426493B2 (en) * | 2009-12-16 | 2013-04-23 | Ask Chemicals L.P. | Foundry mixes containing sulfate and/or nitrate salts and their uses |
| MX352826B (es) | 2010-12-30 | 2017-12-11 | Ask Chemicals Espana S A | Aditivo antiveining para la preparacion de moldes y machos de fundicion. |
| CN105195670B (zh) * | 2015-10-09 | 2017-09-22 | 宁夏共享化工有限公司 | 一种防止脉纹缺陷的水基流涂涂料的生产方法 |
| JP7358450B2 (ja) * | 2018-03-30 | 2023-10-10 | アイメリーズ ユーエスエー，インコーポレーテッド | 砂型鋳造のための酸化された材料を含む組成物並びにその調製方法および使用方法 |
| CN110666107B (zh) * | 2019-09-30 | 2021-10-08 | 北京航空材料研究院有限公司 | 一种砂芯及其制备方法和铸模 |
| CN112756559A (zh) * | 2020-12-25 | 2021-05-07 | 合肥江淮铸造有限责任公司 | 一种采用特种覆膜砂制作的砂芯 |
| CN114367628B (zh) * | 2021-12-29 | 2023-08-29 | 天阳新材料科技有限公司 | 一种涡轮壳用抗脉纹覆膜砂及其制备方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2504133A (en) * | 1947-03-22 | 1950-04-18 | Mechanite Metal Corp | Method of preparing foundry sands |
| US2883723A (en) * | 1956-11-20 | 1959-04-28 | Meehanite Metal Corp | Process for improved silicate bonded foundry molds and cores |
| US4735973A (en) * | 1985-11-15 | 1988-04-05 | Brander John J | Additive for sand based molding aggregates |
| US5911269A (en) * | 1992-11-16 | 1999-06-15 | Industrial Gypsum Co., Inc. | Method of making silica sand molds and cores for metal founding |
| FR2775208B1 (fr) * | 1998-02-23 | 2000-12-29 | Iko France | Materiau d'addition pour la conception de noyaux en sable silicieux |
| US20020165292A1 (en) * | 2001-05-01 | 2002-11-07 | Baker Stephen G. | Casting sand cores and expansion control methods therefor |
| US20090114365A1 (en) * | 2007-11-07 | 2009-05-07 | Igc Technologies, Llc | Material used to combat thermal expansion related defects in high temperature casting processes |
-
2001
- 2001-05-01 US US09/847,182 patent/US20020165292A1/en not_active Abandoned
-
2002
- 2002-04-25 BR BRPI0209326-0A patent/BR0209326B1/pt not_active IP Right Cessation
- 2002-04-25 CA CA002445929A patent/CA2445929C/en not_active Expired - Fee Related
- 2002-04-25 JP JP2002585139A patent/JP4315685B2/ja not_active Expired - Fee Related
- 2002-04-25 EP EP02736612A patent/EP1385655A1/en not_active Withdrawn
- 2002-04-25 KR KR10-2003-7014193A patent/KR20040015217A/ko not_active Ceased
- 2002-04-25 MX MXPA03009876A patent/MXPA03009876A/es active IP Right Grant
- 2002-04-25 WO PCT/US2002/013180 patent/WO2002087807A1/en not_active Ceased
-
2003
- 2003-09-02 US US10/653,363 patent/US6972302B2/en not_active Expired - Lifetime
-
2005
- 2005-03-10 US US11/077,348 patent/US20050155741A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| US20020165292A1 (en) | 2002-11-07 |
| US20050155741A1 (en) | 2005-07-21 |
| BR0209326B1 (pt) | 2010-12-14 |
| US6972302B2 (en) | 2005-12-06 |
| KR20040015217A (ko) | 2004-02-18 |
| EP1385655A1 (en) | 2004-02-04 |
| JP4315685B2 (ja) | 2009-08-19 |
| JP2004524977A (ja) | 2004-08-19 |
| MXPA03009876A (es) | 2004-02-17 |
| US20040044097A1 (en) | 2004-03-04 |
| CA2445929A1 (en) | 2002-11-07 |
| BR0209326A (pt) | 2004-07-20 |
| WO2002087807A1 (en) | 2002-11-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20150427 |