CN119630827A - 高强度极厚钢板及其制造方法 - Google Patents
高强度极厚钢板及其制造方法 Download PDFInfo
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- CN119630827A CN119630827A CN202380059615.9A CN202380059615A CN119630827A CN 119630827 A CN119630827 A CN 119630827A CN 202380059615 A CN202380059615 A CN 202380059615A CN 119630827 A CN119630827 A CN 119630827A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 183
- 239000010959 steel Substances 0.000 title claims abstract description 183
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title abstract description 24
- 238000005096 rolling process Methods 0.000 claims abstract description 91
- 229910001563 bainite Inorganic materials 0.000 claims abstract description 46
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 31
- 239000011148 porous material Substances 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 19
- 230000007704 transition Effects 0.000 claims abstract description 15
- 230000009467 reduction Effects 0.000 claims description 52
- 238000001816 cooling Methods 0.000 claims description 42
- 238000005098 hot rolling Methods 0.000 claims description 34
- 229910001566 austenite Inorganic materials 0.000 claims description 28
- 230000001186 cumulative effect Effects 0.000 claims description 26
- 238000001953 recrystallisation Methods 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 20
- 239000013078 crystal Substances 0.000 claims description 19
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 239000012467 final product Substances 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 33
- 238000012360 testing method Methods 0.000 description 18
- 239000000463 material Substances 0.000 description 15
- 238000002441 X-ray diffraction Methods 0.000 description 10
- 239000002245 particle Substances 0.000 description 10
- 229910052761 rare earth metal Inorganic materials 0.000 description 10
- 150000002910 rare earth metals Chemical class 0.000 description 10
- 239000002344 surface layer Substances 0.000 description 9
- 229910045601 alloy Inorganic materials 0.000 description 8
- 239000000956 alloy Substances 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 7
- 230000007423 decrease Effects 0.000 description 7
- 230000006872 improvement Effects 0.000 description 7
- 230000009466 transformation Effects 0.000 description 7
- 238000005498 polishing Methods 0.000 description 5
- 238000007670 refining Methods 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 239000003949 liquefied natural gas Substances 0.000 description 4
- 239000013077 target material Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010191 image analysis Methods 0.000 description 3
- 238000009863 impact test Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 238000003776 cleavage reaction Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- HQFCOGRKGVGYBB-UHFFFAOYSA-N ethanol;nitric acid Chemical compound CCO.O[N+]([O-])=O HQFCOGRKGVGYBB-UHFFFAOYSA-N 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910001562 pearlite Inorganic materials 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000007017 scission Effects 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 230000000930 thermomechanical effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022181478 | 2022-11-14 | ||
| JP2022-181478 | 2022-11-14 | ||
| PCT/JP2023/031503 WO2024105967A1 (ja) | 2022-11-14 | 2023-08-30 | 高強度極厚鋼板およびその製造方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN119630827A true CN119630827A (zh) | 2025-03-14 |
Family
ID=90667707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202380059615.9A Pending CN119630827A (zh) | 2022-11-14 | 2023-08-30 | 高强度极厚钢板及其制造方法 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP7468814B1 (ja) |
| KR (1) | KR20250034987A (ja) |
| CN (1) | CN119630827A (ja) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4077167B2 (ja) | 2001-02-28 | 2008-04-16 | 株式会社神戸製鋼所 | アレスト特性に優れた鋼板およびその製法 |
| JP5064149B2 (ja) | 2006-12-14 | 2012-10-31 | 新日本製鐵株式会社 | 脆性き裂伝播停止性能に優れた高強度厚鋼板及びその製造方法 |
| JP4874435B2 (ja) | 2010-02-08 | 2012-02-15 | 新日本製鐵株式会社 | 厚鋼板の製造方法 |
| JP5759109B2 (ja) | 2010-03-09 | 2015-08-05 | 株式会社神戸製鋼所 | 脆性亀裂伝播停止特性に優れた鋼材、およびその製造方法 |
| JP5522084B2 (ja) | 2011-02-24 | 2014-06-18 | 新日鐵住金株式会社 | 厚鋼板の製造方法 |
| WO2017047088A1 (ja) | 2015-09-18 | 2017-03-23 | Ｊｆｅスチール株式会社 | 構造用高強度厚鋼板およびその製造方法 |
| JP6682967B2 (ja) | 2016-04-06 | 2020-04-15 | 日本製鉄株式会社 | 厚鋼板およびその製造方法 |
| WO2020262638A1 (ja) | 2019-06-27 | 2020-12-30 | 日本製鉄株式会社 | 鋼材及びその製造方法 |
| WO2022097589A1 (ja) | 2020-11-05 | 2022-05-12 | Ｊｆｅスチール株式会社 | 鋼板およびその製造方法 |
-
2023
- 2023-08-30 CN CN202380059615.9A patent/CN119630827A/zh active Pending
- 2023-08-30 JP JP2023573540A patent/JP7468814B1/ja active Active
- 2023-08-30 KR KR1020257004200A patent/KR20250034987A/ko active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| KR20250034987A (ko) | 2025-03-11 |
| JPWO2024105967A1 (ja) | 2024-05-23 |
| JP7468814B1 (ja) | 2024-04-16 |
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