JP7294548B1 - 鋼板、部材およびそれらの製造方法 - Google Patents

鋼板、部材およびそれらの製造方法 Download PDF

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Publication number: JP7294548B1
Authority: JP; Japan
Prior art keywords: less; particles; area ratio; cooling; temperature
Prior art date: 2021-09-30
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.): Active

Application number

JP2022575217A

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English (en)

Japanese (ja)

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JPWO2023053908A5 (ko

JPWO2023053908A1 (ko

Inventor

三周知場

洋一郎松井

芳怡王

真次郎金子

毅横田

秀斗尾園

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

JFE Steel Corp

Original Assignee

JFE Steel Corp

Priority date (The priority date 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 date listed.)

2021-09-30

Filing date

2022-09-09

Publication date

2023-06-20

2022-09-09 Application filed by JFE Steel Corp filed Critical JFE Steel Corp

2023-04-06 Publication of JPWO2023053908A1 publication Critical patent/JPWO2023053908A1/ja

2023-06-20 Application granted granted Critical

2023-06-20 Publication of JP7294548B1 publication Critical patent/JP7294548B1/ja

2023-09-06 Publication of JPWO2023053908A5 publication Critical patent/JPWO2023053908A5/ja

Status Active legal-status Critical Current

2042-09-09 Anticipated expiration legal-status Critical

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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
- C21D2201/00—Treatment for obtaining particular effects
- C21D2201/05—Grain orientation
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/001—Austenite
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/002—Bainite
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite

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Chemical & Material Sciences (AREA)
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Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Heat Treatment Of Sheet Steel (AREA)

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JP2019502819A (ja) *	2015-12-15	2019-01-31	ポスコＰｏｓｃｏ	化成処理性及び穴拡げ性に優れた超高強度鋼板及びその製造方法
WO2021079756A1 (ja) *	2019-10-23	2021-04-29	Ｊｆｅスチール株式会社	高強度鋼板およびその製造方法

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JPH0635619B2 (ja)	1986-02-05	1994-05-11	新日本製鐵株式会社	延性の良い高強度鋼板の製造方法
JPH0635619A (ja)	1992-07-15	1994-02-10	Nippon Telegr & Teleph Corp <Ntt>	情報多重読取り装置
JP4411221B2 (ja)	2004-01-28	2010-02-10	株式会社神戸製鋼所	伸び及び伸びフランジ性に優れた低降伏比高強度冷延鋼板およびめっき鋼板並びにその製造方法
JP6041079B1 (ja)	2015-07-08	2016-12-07	Ｊｆｅスチール株式会社	冷延鋼帯の製造方法及び製造設備

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WO2009099251A1 (ja) *	2008-02-08	2009-08-13	Jfe Steel Corporation	加工性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法
JP2019502819A (ja) *	2015-12-15	2019-01-31	ポスコＰｏｓｃｏ	化成処理性及び穴拡げ性に優れた超高強度鋼板及びその製造方法
WO2021079756A1 (ja) *	2019-10-23	2021-04-29	Ｊｆｅスチール株式会社	高強度鋼板およびその製造方法

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