JP4038784B2 - 非金属介在物の微細化方法 - Google Patents
非金属介在物の微細化方法 Download PDFInfo
- Publication number
- JP4038784B2 JP4038784B2 JP28042198A JP28042198A JP4038784B2 JP 4038784 B2 JP4038784 B2 JP 4038784B2 JP 28042198 A JP28042198 A JP 28042198A JP 28042198 A JP28042198 A JP 28042198A JP 4038784 B2 JP4038784 B2 JP 4038784B2
- Authority
- JP
- Japan
- Prior art keywords
- steel
- inclusions
- particles
- slab
- composition
- 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
- 238000000034 method Methods 0.000 title claims description 33
- 229910000831 Steel Inorganic materials 0.000 claims description 47
- 239000010959 steel Substances 0.000 claims description 47
- 239000000203 mixture Substances 0.000 claims description 32
- 239000002245 particle Substances 0.000 claims description 18
- 238000005266 casting Methods 0.000 claims description 17
- 238000002844 melting Methods 0.000 claims description 17
- 230000008018 melting Effects 0.000 claims description 17
- 238000009749 continuous casting Methods 0.000 claims description 16
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 12
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 9
- 229910000639 Spring steel Inorganic materials 0.000 claims description 8
- 238000005098 hot rolling Methods 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000007670 refining Methods 0.000 claims description 8
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 7
- 238000007667 floating Methods 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 239000002436 steel type Substances 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000011143 downstream manufacturing Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 239000013528 metallic particle Substances 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 12
- 238000007796 conventional method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 9
- 239000013078 crystal Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- 229910000975 Carbon steel Inorganic materials 0.000 description 6
- 239000010962 carbon steel Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 238000005204 segregation Methods 0.000 description 6
- 238000002425 crystallisation Methods 0.000 description 5
- 230000008025 crystallization Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 229910000677 High-carbon steel Inorganic materials 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000005242 forging Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005491 wire drawing Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 238000010587 phase diagram Methods 0.000 description 3
- 238000003303 reheating Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 229910000532 Deoxidized steel Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052661 anorthite Inorganic materials 0.000 description 1
- 238000001784 detoxification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- GWWPLLOVYSCJIO-UHFFFAOYSA-N dialuminum;calcium;disilicate Chemical compound [Al+3].[Al+3].[Ca+2].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] GWWPLLOVYSCJIO-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 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 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000010405 reoxidation reaction Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000009489 vacuum treatment Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
Images
Landscapes
- Continuous Casting (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28042198A JP4038784B2 (ja) | 1998-08-26 | 1998-08-26 | 非金属介在物の微細化方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28042198A JP4038784B2 (ja) | 1998-08-26 | 1998-08-26 | 非金属介在物の微細化方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2000061600A JP2000061600A (ja) | 2000-02-29 |
| JP2000061600A5 JP2000061600A5 (https=) | 2005-11-04 |
| JP4038784B2 true JP4038784B2 (ja) | 2008-01-30 |
Family
ID=17624820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28042198A Expired - Fee Related JP4038784B2 (ja) | 1998-08-26 | 1998-08-26 | 非金属介在物の微細化方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4038784B2 (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5231345B2 (ja) * | 2009-06-24 | 2013-07-10 | 株式会社神戸製鋼所 | 高清浄度ばね用鋼 |
| KR101674829B1 (ko) * | 2015-09-22 | 2016-11-10 | 주식회사 포스코 | 피로특성이 우수한 스프링용 강 및 이의 제조방법 |
-
1998
- 1998-08-26 JP JP28042198A patent/JP4038784B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000061600A (ja) | 2000-02-29 |
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