CH366129A - Verfahren zum Schützen der Randzone von Stahlgussstücken gegen Randentkohlung - Google Patents
Verfahren zum Schützen der Randzone von Stahlgussstücken gegen RandentkohlungInfo
- Publication number
- CH366129A CH366129A CH5227857A CH5227857A CH366129A CH 366129 A CH366129 A CH 366129A CH 5227857 A CH5227857 A CH 5227857A CH 5227857 A CH5227857 A CH 5227857A CH 366129 A CH366129 A CH 366129A
- Authority
- CH
- Switzerland
- Prior art keywords
- mold
- protective substance
- protective
- casting
- layer
- Prior art date
Links
- 238000005266 casting Methods 0.000 title claims description 62
- 238000000034 method Methods 0.000 title claims description 24
- 238000005261 decarburization Methods 0.000 title claims description 23
- 229910000831 Steel Inorganic materials 0.000 title claims description 8
- 239000010959 steel Substances 0.000 title claims description 8
- 230000001681 protective effect Effects 0.000 claims description 90
- 239000000126 substance Substances 0.000 claims description 73
- 238000000465 moulding Methods 0.000 claims description 41
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 37
- 239000001301 oxygen Substances 0.000 claims description 36
- 229910052760 oxygen Inorganic materials 0.000 claims description 36
- 150000001875 compounds Chemical class 0.000 claims description 31
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 30
- 229910002804 graphite Inorganic materials 0.000 claims description 16
- 239000010439 graphite Substances 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 230000035699 permeability Effects 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims 2
- OMOVVBIIQSXZSZ-UHFFFAOYSA-N [6-(4-acetyloxy-5,9a-dimethyl-2,7-dioxo-4,5a,6,9-tetrahydro-3h-pyrano[3,4-b]oxepin-5-yl)-5-formyloxy-3-(furan-3-yl)-3a-methyl-7-methylidene-1a,2,3,4,5,6-hexahydroindeno[1,7a-b]oxiren-4-yl] 2-hydroxy-3-methylpentanoate Chemical compound CC12C(OC(=O)C(O)C(C)CC)C(OC=O)C(C3(C)C(CC(=O)OC4(C)COC(=O)CC43)OC(C)=O)C(=C)C32OC3CC1C=1C=COC=1 OMOVVBIIQSXZSZ-UHFFFAOYSA-N 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 description 14
- 239000000155 melt Substances 0.000 description 12
- 238000010304 firing Methods 0.000 description 10
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 9
- 238000007598 dipping method Methods 0.000 description 8
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 8
- 229910010271 silicon carbide Inorganic materials 0.000 description 8
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 6
- 239000011148 porous material Substances 0.000 description 6
- 229910052580 B4C Inorganic materials 0.000 description 5
- 239000000161 steel melt Substances 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005495 investment casting Methods 0.000 description 3
- 239000011819 refractory material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910001567 cementite Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 150000001247 metal acetylides Chemical class 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 229910021398 atomic carbon Inorganic materials 0.000 description 1
- SJKRCWUQJZIWQB-UHFFFAOYSA-N azane;chromium Chemical compound N.[Cr] SJKRCWUQJZIWQB-UHFFFAOYSA-N 0.000 description 1
- UNLSXXHOHZUADN-UHFFFAOYSA-N barium cyanide Chemical compound [Ba+2].N#[C-].N#[C-] UNLSXXHOHZUADN-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- UNASZPQZIFZUSI-UHFFFAOYSA-N methylidyneniobium Chemical compound [Nb]#C UNASZPQZIFZUSI-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mold Materials And Core Materials (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL111793D NL111793C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1957-11-05 | ||
| NL222614D NL222614A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1957-11-05 | ||
| CH5227857A CH366129A (de) | 1957-11-05 | 1957-11-05 | Verfahren zum Schützen der Randzone von Stahlgussstücken gegen Randentkohlung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH5227857A CH366129A (de) | 1957-11-05 | 1957-11-05 | Verfahren zum Schützen der Randzone von Stahlgussstücken gegen Randentkohlung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH366129A true CH366129A (de) | 1962-12-15 |
Family
ID=4518064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH5227857A CH366129A (de) | 1957-11-05 | 1957-11-05 | Verfahren zum Schützen der Randzone von Stahlgussstücken gegen Randentkohlung |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH366129A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
| NL (2) | NL111793C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0679458A1 (de) * | 1994-04-14 | 1995-11-02 | Thyssen Industrie Ag | Verfahren zur Herstellung und Verwendung einer keramischen Schale als Giessform mit reduzierenden Eigenschaften |
-
0
- NL NL222614D patent/NL222614A/xx unknown
- NL NL111793D patent/NL111793C/xx active
-
1957
- 1957-11-05 CH CH5227857A patent/CH366129A/de unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0679458A1 (de) * | 1994-04-14 | 1995-11-02 | Thyssen Industrie Ag | Verfahren zur Herstellung und Verwendung einer keramischen Schale als Giessform mit reduzierenden Eigenschaften |
Also Published As
| Publication number | Publication date |
|---|---|
| NL111793C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| NL222614A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
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