KR102264726B1 - 내식성 및 내열성이 우수한 열간성형용 알루미늄-철 합금 도금 강판, 열간 프레스 성형 부재 및 이들의 제조방법 - Google Patents
내식성 및 내열성이 우수한 열간성형용 알루미늄-철 합금 도금 강판, 열간 프레스 성형 부재 및 이들의 제조방법 Download PDFInfo
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- KR102264726B1 KR102264726B1 KR1020190156856A KR20190156856A KR102264726B1 KR 102264726 B1 KR102264726 B1 KR 102264726B1 KR 1020190156856 A KR1020190156856 A KR 1020190156856A KR 20190156856 A KR20190156856 A KR 20190156856A KR 102264726 B1 KR102264726 B1 KR 102264726B1
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- Prior art keywords
- steel sheet
- aluminum
- layer
- plated steel
- iron alloy
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- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 37
- 239000000956 alloy Substances 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims description 24
- 238000005260 corrosion Methods 0.000 title description 14
- 230000007797 corrosion Effects 0.000 title description 14
- 229910018084 Al-Fe Inorganic materials 0.000 title 1
- 229910018192 Al—Fe Inorganic materials 0.000 title 1
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 166
- 239000010959 steel Substances 0.000 claims abstract description 166
- 238000005275 alloying Methods 0.000 claims abstract description 103
- 238000007747 plating Methods 0.000 claims abstract description 93
- 229910000640 Fe alloy Inorganic materials 0.000 claims abstract description 51
- CYUOWZRAOZFACA-UHFFFAOYSA-N aluminum iron Chemical compound [Al].[Fe] CYUOWZRAOZFACA-UHFFFAOYSA-N 0.000 claims abstract description 49
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 48
- 229910015372 FeAl Inorganic materials 0.000 claims abstract description 44
- 229910000905 alloy phase Inorganic materials 0.000 claims abstract description 42
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims description 54
- 238000000137 annealing Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 15
- 238000004804 winding Methods 0.000 claims description 12
- 239000012535 impurity Substances 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 3
- 229910000680 Aluminized steel Inorganic materials 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 140
- 230000000052 comparative effect Effects 0.000 description 20
- 230000000694 effects Effects 0.000 description 13
- 238000002844 melting Methods 0.000 description 12
- 230000008018 melting Effects 0.000 description 12
- 239000000203 mixture Substances 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 229910000734 martensite Inorganic materials 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004580 weight loss Effects 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- 229910001566 austenite Inorganic materials 0.000 description 2
- 239000010960 cold rolled steel Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000010731 rolling oil Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 229910000789 Aluminium-silicon alloy Inorganic materials 0.000 description 1
- 229910018191 Al—Fe—Si Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
- C23C28/021—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material including at least one metal alloy layer
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/26—After-treatment
- C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/78—Combined heat-treatments not provided for above
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
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- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/12—Aluminium or alloys based thereon
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
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- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
- C23C28/027—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material including at least one metal matrix material comprising a mixture of at least two metals or metal phases or metal matrix composites, e.g. metal matrix with embedded inorganic hard particles, CERMET, MMC.
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
- C23C28/028—Including graded layers in composition or in physical properties, e.g. density, porosity, grain size
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- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
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Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MX2021006197A MX2021006197A (es) | 2018-11-30 | 2019-11-29 | Lamina de acero chapada con aleacion de al-fe para formacion en prensa caliente que tiene excelente resistencia a la corrosion y resistencia al calor, parte formada en prensa caliente y metodo de manufactura para la misma. |
| PCT/KR2019/016761 WO2020111879A1 (ko) | 2018-11-30 | 2019-11-29 | 내식성 및 내열성이 우수한 열간성형용 알루미늄-철 합금 도금 강판, 열간 프레스 성형 부재 및 이들의 제조방법 |
| JP2021529447A JP7251010B2 (ja) | 2018-11-30 | 2019-11-29 | 耐食性及び耐熱性に優れた熱間成形用アルミニウム－鉄合金めっき鋼板、熱間プレス成形部材及びこれらの製造方法 |
| US17/297,743 US11549167B2 (en) | 2018-11-30 | 2019-11-29 | Steel sheet plated with Al—Fe alloy for hot press forming having excellent corrosion resistance and heat resistance, hot press formed part, and manufacturing method therefor |
| KR1020210074024A KR102450998B1 (ko) | 2018-11-30 | 2021-06-08 | 내식성 및 내열성이 우수한 열간성형용 알루미늄-철 합금 도금 강판, 열간 프레스 성형 부재 및 이들의 제조방법 |
| US17/967,618 US20230039057A1 (en) | 2018-11-30 | 2022-10-17 | Steel sheet plated with al-fe alloy for hot press forming having excellent corrosion resistance and heat resistance, hot press formed part, and manufacturing method therefor |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180152574 | 2018-11-30 | ||
| KR20180152574 | 2018-11-30 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020210074024A Division KR102450998B1 (ko) | 2018-11-30 | 2021-06-08 | 내식성 및 내열성이 우수한 열간성형용 알루미늄-철 합금 도금 강판, 열간 프레스 성형 부재 및 이들의 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20200066240A KR20200066240A (ko) | 2020-06-09 |
| KR102264726B1 true KR102264726B1 (ko) | 2021-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020190156856A KR102264726B1 (ko) | 2018-11-30 | 2019-11-29 | 내식성 및 내열성이 우수한 열간성형용 알루미늄-철 합금 도금 강판, 열간 프레스 성형 부재 및 이들의 제조방법 |
| KR1020210074024A KR102450998B1 (ko) | 2018-11-30 | 2021-06-08 | 내식성 및 내열성이 우수한 열간성형용 알루미늄-철 합금 도금 강판, 열간 프레스 성형 부재 및 이들의 제조방법 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020210074024A KR102450998B1 (ko) | 2018-11-30 | 2021-06-08 | 내식성 및 내열성이 우수한 열간성형용 알루미늄-철 합금 도금 강판, 열간 프레스 성형 부재 및 이들의 제조방법 |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3889314A4 (de) |
| KR (2) | KR102264726B1 (de) |
| CN (1) | CN113166913B (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102227111B1 (ko) | 2018-11-30 | 2021-03-12 | 주식회사 포스코 | 열간성형 부재 및 그 제조방법 |
| KR20230171168A (ko) | 2022-06-13 | 2023-12-20 | 주식회사 엔디소프트 | 화자분할 기술이 적용된 앱을 이용한 단말기 음성 대화 방법 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101569505B1 (ko) | 2014-12-24 | 2015-11-30 | 주식회사 포스코 | 내박리성이 우수한 hpf 성형부재 및 그 제조방법 |
| KR101696121B1 (ko) * | 2015-12-23 | 2017-01-13 | 주식회사 포스코 | 내수소지연파괴특성, 내박리성 및 용접성이 우수한 열간성형용 알루미늄-철 합금 도금강판 및 이를 이용한 열간성형 부재 |
| KR101879104B1 (ko) | 2016-12-23 | 2018-07-16 | 주식회사 포스코 | TWB 용접 특성이 우수한 열간성형용 Al-Fe 합금화 도금강판, 열간성형 부재 및 그들의 제조방법 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2780984B1 (fr) | 1998-07-09 | 2001-06-22 | Lorraine Laminage | Tole d'acier laminee a chaud et a froid revetue et comportant une tres haute resistance apres traitement thermique |
| JP4453853B2 (ja) * | 2000-02-22 | 2010-04-21 | 日新製鋼株式会社 | 加工性，耐熱性，耐酸化性に優れた溶融アルミめっき系鋼板の製造方法 |
| JP4325442B2 (ja) * | 2004-03-12 | 2009-09-02 | 住友金属工業株式会社 | 溶融亜鉛系めっき鋼材の製造方法 |
| KR100851163B1 (ko) * | 2006-12-29 | 2008-08-08 | 주식회사 포스코 | 도금부착성 및 굽힘가공성이 우수한 초고강도 강판 및 이를이용한 합금화 용융아연도금강판의 제조방법 |
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| KR101220708B1 (ko) * | 2010-12-27 | 2013-01-09 | 주식회사 포스코 | 내파우더링성이 우수한 고망간 고알루미늄 합금화 용융아연도금강판 및 그 제조방법 |
| EP2728032A4 (de) * | 2011-06-28 | 2015-03-11 | Posco | Plattiertes stahlblech mit plattierter schicht mit ausgezeichneter stabilität zum heisspressen |
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| KR101569509B1 (ko) * | 2014-12-24 | 2015-11-17 | 주식회사 포스코 | 프레스성형시 내파우더링성이 우수한 hpf 성형부재 및 이의 제조방법 |
| KR101696069B1 (ko) * | 2015-05-26 | 2017-01-13 | 주식회사 포스코 | 내박리성이 우수한 hpf 성형부재 및 그 제조방법 |
| CN108588612B (zh) * | 2018-04-28 | 2019-09-20 | 育材堂（苏州）材料科技有限公司 | 热冲压成形构件、热冲压成形用预涂镀钢板及热冲压成形工艺 |
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- 2019-11-29 CN CN201980078996.9A patent/CN113166913B/zh active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101569505B1 (ko) | 2014-12-24 | 2015-11-30 | 주식회사 포스코 | 내박리성이 우수한 hpf 성형부재 및 그 제조방법 |
| KR101696121B1 (ko) * | 2015-12-23 | 2017-01-13 | 주식회사 포스코 | 내수소지연파괴특성, 내박리성 및 용접성이 우수한 열간성형용 알루미늄-철 합금 도금강판 및 이를 이용한 열간성형 부재 |
| KR101879104B1 (ko) | 2016-12-23 | 2018-07-16 | 주식회사 포스코 | TWB 용접 특성이 우수한 열간성형용 Al-Fe 합금화 도금강판, 열간성형 부재 및 그들의 제조방법 |
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| EP3889314A4 (de) | 2021-11-10 |
| EP3889314A1 (de) | 2021-10-06 |
| CN113166913B (zh) | 2023-12-29 |
| CN113166913A (zh) | 2021-07-23 |
| KR20210070967A (ko) | 2021-06-15 |
| KR20200066240A (ko) | 2020-06-09 |
| KR102450998B1 (ko) | 2022-10-07 |
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