JP6470266B2 - プレス焼入れ用亜鉛めっき鋼材およびその製造方法 - Google Patents
プレス焼入れ用亜鉛めっき鋼材およびその製造方法 Download PDFInfo
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- JP6470266B2 JP6470266B2 JP2016514142A JP2016514142A JP6470266B2 JP 6470266 B2 JP6470266 B2 JP 6470266B2 JP 2016514142 A JP2016514142 A JP 2016514142A JP 2016514142 A JP2016514142 A JP 2016514142A JP 6470266 B2 JP6470266 B2 JP 6470266B2
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- heat treatment
- coating
- hot stamping
- alloying heat
- zinc alloy
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- 238000004519 manufacturing process Methods 0.000 title claims 2
- 229910001335 Galvanized steel Inorganic materials 0.000 title description 3
- 239000008397 galvanized steel Substances 0.000 title description 3
- 238000000034 method Methods 0.000 claims description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 28
- 238000000576 coating method Methods 0.000 claims description 28
- 239000010959 steel Substances 0.000 claims description 28
- 239000011248 coating agent Substances 0.000 claims description 27
- 238000005275 alloying Methods 0.000 claims description 24
- 229910001297 Zn alloy Inorganic materials 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 239000011701 zinc Substances 0.000 claims description 13
- 229910052725 zinc Inorganic materials 0.000 claims description 12
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 10
- 238000007747 plating Methods 0.000 claims description 8
- 239000012298 atmosphere Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 229910000859 α-Fe Inorganic materials 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 238000000137 annealing Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 description 7
- 239000000956 alloy Substances 0.000 description 7
- 238000000879 optical micrograph Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 239000012299 nitrogen atmosphere Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000001000 micrograph Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229910000760 Hardened steel Inorganic materials 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000010960 cold rolled steel Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 229910000680 Aluminized steel Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910007570 Zn-Al Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T428/12771—Transition metal-base component
- Y10T428/12785—Group IIB metal-base component
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- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Description
この出願の発明に関連する先行技術文献情報としては、以下のものがある(国際出願日以降国際段階で引用された文献及び他国に国内移行した際に引用された文献を含む)。
(先行技術文献)
(特許文献)
(特許文献1) 独国特許出願公開第102012021031号明細書
(特許文献2) 米国特許出願公開第2012/118437号明細書
Claims (16)
- 鋼材を製造する方法であって、
前記鋼材上にコーティングを形成するために前記鋼材を亜鉛合金めっきする工程と、
ホットスタンピングの前に850°F〜950°Fの温度で、前記亜鉛合金めっきされた鋼材に対して予合金化熱処理を行う工程であって、前記鋼材は、処理時間の間、前記予合金化熱処理の対象となる、前記予合金化熱処理を行う工程と、
前記予合金化熱処理の後、前記コーティング中のFe含有量が15wt%〜25wt%となるように前記予合金化熱処理の処理時間を決定する工程と、
を有する方法。 - 請求項1に記載の方法において、前記コーティングは、亜鉛、鉄、およびアルミニウムを有するものである方法。
- 請求項1に記載の方法において、前記コーティングの重量は、40〜90g/m2の範囲である方法。
- 請求項1に記載の方法において、前記亜鉛合金めっきする工程は900°F〜1200°Fで行われるものである方法。
- 請求項1に記載の方法において、前記予合金化熱処理する工程は、オープンコイル焼きなましプロセスにおいて行われるものである方法。
- 請求項1に記載の方法において、前記予合金化熱処理は、1時間〜10時間の滞留時間を有するものである方法。
- 請求項6に記載の方法において、前記予合金化熱処理は、2時間〜6時間の滞留時間を有するものである方法。
- 請求項1に記載の方法において、前記予合金化熱処理は、保護雰囲気下で行われるものである方法。
- 請求項8に記載の方法において、前記保護雰囲気は窒素を有するものである方法。
- 請求項9に記載の方法において、前記保護雰囲気は100%N2を有するものである方法。
- 請求項9に記載の方法において、前記保護雰囲気はさらに水素を有するものである方法。
- 請求項11に記載の方法において、前記保護雰囲気は95%のN2 と5%のH2を有するものである方法。
- 請求項1に記載の方法において、この方法は、さらに、前記予合金化熱処理後にホットスタンピングする工程を有するものである方法。
- 請求項13に記載の方法において、前記ホットスタンピングする工程は、1616°F〜1742°Fの温度を有するものである方法。
- 請求項13に記載の方法において、前記ホットスタンピングする工程は、2分〜10分の時間を有するものである方法。
- 請求項13に記載の方法において、ホットスタンピングする工程の後、前記コーティングは、30%Znを伴う単一フェーズα―Feを有するものである方法。
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PCT/US2014/038467 WO2014186749A1 (en) | 2013-05-17 | 2014-05-16 | Zinc-coated steel for press hardening application and method of production |
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CN (2) | CN107267905A (ja) |
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TWI567235B (zh) | 2017-01-21 |
RU2015146678A3 (ja) | 2018-04-02 |
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CN107267905A (zh) | 2017-10-20 |
BR112015027811A2 (pt) | 2017-07-25 |
RU2669663C2 (ru) | 2018-10-12 |
CN105247095B (zh) | 2017-07-18 |
US10718045B2 (en) | 2020-07-21 |
CA2910703C (en) | 2018-07-03 |
EP2997173B1 (en) | 2018-10-03 |
AU2014265241B2 (en) | 2017-01-19 |
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TR201818914T4 (tr) | 2019-01-21 |
JP6718656B2 (ja) | 2020-07-08 |
CA2910703A1 (en) | 2014-11-20 |
KR20160007648A (ko) | 2016-01-20 |
US20140342181A1 (en) | 2014-11-20 |
RU2018134251A (ru) | 2019-03-20 |
JP2016520162A (ja) | 2016-07-11 |
PL2997173T3 (pl) | 2019-04-30 |
CN105247095A (zh) | 2016-01-13 |
EP2997173A1 (en) | 2016-03-23 |
MX2015015776A (es) | 2016-03-09 |
RU2018134251A3 (ja) | 2019-06-14 |
RU2015146678A (ru) | 2017-06-23 |
TW201706426A (zh) | 2017-02-16 |
WO2014186749A1 (en) | 2014-11-20 |
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