DE2143521C3 - Verfahren zur Herstellung von mit Magnesium behandeltem, Kugelgraphit enthaltenden Gußeisen - Google Patents
Verfahren zur Herstellung von mit Magnesium behandeltem, Kugelgraphit enthaltenden GußeisenInfo
- Publication number
- DE2143521C3 DE2143521C3 DE19712143521 DE2143521A DE2143521C3 DE 2143521 C3 DE2143521 C3 DE 2143521C3 DE 19712143521 DE19712143521 DE 19712143521 DE 2143521 A DE2143521 A DE 2143521A DE 2143521 C3 DE2143521 C3 DE 2143521C3
- Authority
- DE
- Germany
- Prior art keywords
- magnesium
- treatment
- iron
- heating
- spheroidal graphite
- 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
- 229910052749 magnesium Inorganic materials 0.000 title claims description 44
- 239000011777 magnesium Substances 0.000 title claims description 44
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 title claims description 43
- 238000000034 method Methods 0.000 title claims description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims description 17
- 229910002804 graphite Inorganic materials 0.000 title claims description 16
- 239000010439 graphite Substances 0.000 title claims description 16
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 229910001018 Cast iron Inorganic materials 0.000 title claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 37
- 238000011282 treatment Methods 0.000 claims description 32
- 229910052742 iron Inorganic materials 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 15
- 239000007795 chemical reaction product Substances 0.000 claims description 13
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 6
- 229910052717 sulfur Inorganic materials 0.000 claims description 6
- 239000011593 sulfur Substances 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- MHKWSJBPFXBFMX-UHFFFAOYSA-N iron magnesium Chemical compound [Mg].[Fe] MHKWSJBPFXBFMX-UHFFFAOYSA-N 0.000 claims 1
- 238000005266 casting Methods 0.000 description 17
- 239000000155 melt Substances 0.000 description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910000805 Pig iron Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 229910001122 Mischmetal Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 240000007313 Tilia cordata Species 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000002054 inoculum Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 150000002680 magnesium Chemical class 0.000 description 1
- 150000002681 magnesium compounds Chemical class 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C1/00—Refining of pig-iron; Cast iron
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/10—Making spheroidal graphite cast-iron
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1238271A CH565864A5 (OSRAM) | 1971-08-24 | 1971-08-24 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2143521A1 DE2143521A1 (de) | 1973-03-15 |
| DE2143521B2 DE2143521B2 (de) | 1973-11-15 |
| DE2143521C3 true DE2143521C3 (de) | 1974-06-06 |
Family
ID=4382472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712143521 Expired DE2143521C3 (de) | 1971-08-24 | 1971-08-31 | Verfahren zur Herstellung von mit Magnesium behandeltem, Kugelgraphit enthaltenden Gußeisen |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT324383B (OSRAM) |
| BE (1) | BE787844A (OSRAM) |
| CH (1) | CH565864A5 (OSRAM) |
| DE (1) | DE2143521C3 (OSRAM) |
| FR (1) | FR2150329B3 (OSRAM) |
| GB (1) | GB1359623A (OSRAM) |
| IT (1) | IT964170B (OSRAM) |
| NL (1) | NL151439B (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4396428A (en) * | 1982-03-29 | 1983-08-02 | Elkem Metals Company | Processes for producing and casting ductile and compacted graphite cast irons |
| GB9000899D0 (en) * | 1990-01-16 | 1990-03-14 | Int Meehanite Metal Co The Ltd | Nodularlising method |
-
1971
- 1971-08-24 CH CH1238271A patent/CH565864A5/xx not_active IP Right Cessation
- 1971-08-31 DE DE19712143521 patent/DE2143521C3/de not_active Expired
- 1971-09-13 NL NL7112577A patent/NL151439B/xx unknown
-
1972
- 1972-08-07 FR FR7228431A patent/FR2150329B3/fr not_active Expired
- 1972-08-08 AT AT683272A patent/AT324383B/de not_active IP Right Cessation
- 1972-08-18 GB GB3864672A patent/GB1359623A/en not_active Expired
- 1972-08-22 BE BE787844A patent/BE787844A/xx unknown
- 1972-08-23 IT IT2840172A patent/IT964170B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| NL7112577A (OSRAM) | 1973-02-27 |
| DE2143521A1 (de) | 1973-03-15 |
| BE787844A (fr) | 1972-12-18 |
| NL151439B (nl) | 1976-11-15 |
| GB1359623A (en) | 1974-07-10 |
| DE2143521B2 (de) | 1973-11-15 |
| FR2150329B3 (OSRAM) | 1975-10-03 |
| IT964170B (it) | 1974-01-21 |
| CH565864A5 (OSRAM) | 1975-08-29 |
| AT324383B (de) | 1975-08-25 |
| FR2150329A1 (OSRAM) | 1973-04-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 |