KR20040081433A - 3상 나노 복합 강 - Google Patents
3상 나노 복합 강 Download PDFInfo
- Publication number
- KR20040081433A KR20040081433A KR10-2004-7009225A KR20047009225A KR20040081433A KR 20040081433 A KR20040081433 A KR 20040081433A KR 20047009225 A KR20047009225 A KR 20047009225A KR 20040081433 A KR20040081433 A KR 20040081433A
- Authority
- KR
- South Korea
- Prior art keywords
- austenite
- martensite
- alloy
- phase
- weight
- Prior art date
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Classifications
-
- 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
-
- 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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- 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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- 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
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/185—Hardening; Quenching with or without subsequent tempering from an intercritical temperature
-
- 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
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
-
- 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
-
- 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
- C21D2211/005—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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Heat Treatment Of Articles (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Abstract
Description
Claims (10)
- 철과, 최대 0.35 중량%의 탄소를 포함하는 합금 탄소강으로서,마르텐사이트-오스테나이트 결정과 융합된 페라이트 결정을 포함하는 3상 미세 조직을 가지며, 상기 마르텐사이트-오스테나이트 결정은 얇은 막의 오스테나이트와 교대로 배치되는 마르텐사이트 래스(lath)를 포함하는 것인 합금 탄소강.
- 제1항에 있어서, 상기 마르텐사이트-오스테나이트 결정은 상(phase) 사이의 계면에 탄화물 석출물이 없는 것인 합금 탄소강.
- 제1항에 있어서, 상기 마르텐사이트-오스테나이트 결정은 상기 3상 미세 조직의 약 20 중량% 내지 약 40 중량%를 구성하는 것인 합금 탄소강.
- 제1항에 있어서, 상기 탄소는 상기 3상 미세 조직의 약 0.05 중량% 내지 약 0.2 중량%를 구성하는 것인 합금 탄소강.
- 제1항에 있어서, 합금 조성물의 약 1 중량% 내지 약 2.5 중량%의 농도의 규소를 더 포함하는 합금 탄소강.
- 제1항에 있어서, 상기 탄소는 상기 3상 미세 조직의 약 0.05 중량% 내지 약0.2 중량%를 구성하며, 상기 합금 탄소강은 합금 조성물의 약 1 중량% 내지 약 2.5 중량%의 농도의 규소를 더 포함하고, 어떠한 탄화물도 실질적으로 함유하지 않는 것인 합금 탄소강.
- 강도, 내부식성 및 인성이 높은 합금 탄소강을 제조하는 제조 방법으로서,(a) 철과 적어도 하나의 합금 원소로 이루어진 합금 조성물을 형성하는 단계로, 상기 적어도 하나의 합금 원소는 마르텐사이트 변태 개시 온도가 적어도 약 300℃인 마르텐사이트 변태 영역을 갖는 합금 조성물을 제공하도록 선택된 비율로 최대 약 0.35 중량%의 탄소를 포함하는 것인 합금 조성물을 형성하는 단계와,(b) 상기 합금 조성물이 모든 합금 원소가 용해된 상태에 있는 균질한 오스테나이트상을 취하게 하는 조건하에서, 상기 합금 조성물을 오스테나이트화하기에 충분히 높은 온도로 가열하는 단계와,(c) 상기 균질한 오스테나이트상의 일부가 페라이트 결정으로 변태하고, 이에 의해 오스테나이트 결정과 융합된 페라이트 결정을 포함하는 2상 미세 조직을 형성하기에 충분하도록 상기 균질한 오스테나이트상을 냉각하는 단계와,(d) 잔류 오스테나이트의 막과 교대로 배치된 마르텐사이트의 래스를 포함하는 미세 조직으로 상기 오스테나이트 결정을 전환하는 조건하에서 상기 2상 미세 조직을 상기 마르텐사이트 변태 영역을 통과하여 냉각하는 단계를 포함하는 제조 방법.
- 제7항에 있어서, 상기 (d) 단계는 오토템퍼링의 발생을 피하기에 충분한 속도로 상기 2상 미세 조직을 냉각하는 것을 포함하는 것인 제조 방법.
- 제7항에 있어서, 상기 (c) 단계는 상기 균질한 오스테나이트상을 약 775℃ 내지 약 900℃의 온도까지 냉각하는 것을 포함하는 것인 제조 방법.
- 제7항에 있어서, 상기 탄소는 상기 합금 조성물의 약 0.05 중량% 내지 약 0.2 중량%를 구성하며, 상기 합금 조성물은 약 1 중량% 내지 약 2.5 중량%의 농도의 규소를 더 포함하는 것인 제조 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/017,847 US6746548B2 (en) | 2001-12-14 | 2001-12-14 | Triple-phase nano-composite steels |
US10/017,847 | 2001-12-14 | ||
PCT/US2002/040126 WO2003052153A1 (en) | 2001-12-14 | 2002-12-12 | Triple-phase nano-composite steels |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040081433A true KR20040081433A (ko) | 2004-09-21 |
KR100860292B1 KR100860292B1 (ko) | 2008-09-25 |
Family
ID=21784867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020047009225A KR100860292B1 (ko) | 2001-12-14 | 2002-12-12 | 합금 탄소강 및 이의 제조 방법 |
Country Status (21)
Country | Link |
---|---|
US (2) | US6746548B2 (ko) |
EP (1) | EP1461467B1 (ko) |
JP (2) | JP4994572B2 (ko) |
KR (1) | KR100860292B1 (ko) |
CN (1) | CN100406601C (ko) |
AR (1) | AR037829A1 (ko) |
AT (1) | ATE405683T1 (ko) |
AU (1) | AU2002361700B2 (ko) |
BR (1) | BR0214966B1 (ko) |
CA (1) | CA2470388C (ko) |
DE (1) | DE60228493D1 (ko) |
ES (1) | ES2310620T3 (ko) |
HK (1) | HK1065342A1 (ko) |
MX (1) | MXPA04005743A (ko) |
NO (1) | NO340613B1 (ko) |
NZ (1) | NZ533658A (ko) |
PT (1) | PT1461467E (ko) |
RU (1) | RU2293769C2 (ko) |
UA (1) | UA76012C2 (ko) |
WO (1) | WO2003052153A1 (ko) |
ZA (1) | ZA200404736B (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101363674B1 (ko) * | 2008-07-24 | 2014-02-14 | 씨알에스 홀딩즈 인코포레이티드 | 고강도 고인성 강 합금 |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7235212B2 (en) * | 2001-02-09 | 2007-06-26 | Ques Tek Innovations, Llc | Nanocarbide precipitation strengthened ultrahigh strength, corrosion resistant, structural steels and method of making said steels |
JP2003129190A (ja) * | 2001-10-19 | 2003-05-08 | Sumitomo Metal Ind Ltd | マルテンサイト系ステンレス鋼およびその製造方法 |
US20040149362A1 (en) * | 2002-11-19 | 2004-08-05 | Mmfx Technologies Corporation, A Corporation Of The State Of California | Cold-worked steels with packet-lath martensite/austenite microstructure |
US20070228729A1 (en) * | 2003-03-06 | 2007-10-04 | Grimmett Harold M | Tubular goods with threaded integral joint connections |
US7169239B2 (en) * | 2003-05-16 | 2007-01-30 | Lone Star Steel Company, L.P. | Solid expandable tubular members formed from very low carbon steel and method |
US20050247382A1 (en) * | 2004-05-06 | 2005-11-10 | Sippola Pertti J | Process for producing a new high-strength dual-phase steel product from lightly alloyed steel |
US7214278B2 (en) * | 2004-12-29 | 2007-05-08 | Mmfx Technologies Corporation | High-strength four-phase steel alloys |
DE102008051992B4 (de) * | 2008-10-16 | 2011-03-24 | Benteler Automobiltechnik Gmbh | Verfahren zur Herstellung eines Werkstücks, Werkstück und Verwendung eines Werkstückes |
CN101671772B (zh) * | 2009-09-29 | 2011-05-04 | 燕山大学 | 超细晶铁素体和纳米碳化物低碳钢板材的制备方法 |
US20110236696A1 (en) * | 2010-03-25 | 2011-09-29 | Winky Lai | High strength rebar |
RU2503726C2 (ru) * | 2011-05-04 | 2014-01-10 | Государственное образовательное учреждение высшего профессионального образования "Брянская государственная инженерно-технологическая академия" | Способ комплексной термической обработки стали |
FI20115702L (fi) * | 2011-07-01 | 2013-01-02 | Rautaruukki Oyj | Menetelmä suurlujuuksisen rakenneteräksen valmistamiseksi ja suurlujuuksinen rakenneteräs |
US8518195B2 (en) * | 2012-01-20 | 2013-08-27 | GM Global Technology Operations LLC | Heat treatment for producing steel sheet with high strength and ductility |
WO2013188100A1 (en) * | 2012-05-25 | 2013-12-19 | Cola Gary M | Microtreatment and microstructure of carbide containing iron-based alloy |
US8978430B2 (en) | 2013-03-13 | 2015-03-17 | Commercial Metals Company | System and method for stainless steel cladding of carbon steel pieces |
CN103589954B (zh) * | 2013-11-29 | 2015-07-15 | 东北大学 | 一种一钢多级的热轧钢板及其制造方法 |
WO2016001700A1 (en) | 2014-07-03 | 2016-01-07 | Arcelormittal | Method for producing a high strength steel sheet having improved strength, ductility and formability |
WO2016001702A1 (en) | 2014-07-03 | 2016-01-07 | Arcelormittal | Method for producing a high strength coated steel sheet having improved strength, ductility and formability |
WO2016001710A1 (en) * | 2014-07-03 | 2016-01-07 | Arcelormittal | Method for producing a high strength coated steel having improved strength and ductility and obtained sheet |
WO2016001706A1 (en) | 2014-07-03 | 2016-01-07 | Arcelormittal | Method for producing a high strength steel sheet having improved strength and formability and obtained sheet |
Family Cites Families (11)
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US4170499A (en) * | 1977-08-24 | 1979-10-09 | The Regents Of The University Of California | Method of making high strength, tough alloy steel |
US4170497A (en) * | 1977-08-24 | 1979-10-09 | The Regents Of The University Of California | High strength, tough alloy steel |
JPS60190552A (ja) * | 1984-03-12 | 1985-09-28 | Sumitomo Metal Ind Ltd | 焼結ステンレス鋼およびその製造方法 |
US4619714A (en) * | 1984-08-06 | 1986-10-28 | The Regents Of The University Of California | Controlled rolling process for dual phase steels and application to rod, wire, sheet and other shapes |
US4671827A (en) * | 1985-10-11 | 1987-06-09 | Advanced Materials And Design Corp. | Method of forming high-strength, tough, corrosion-resistant steel |
JP2588420B2 (ja) * | 1988-04-11 | 1997-03-05 | 日新製鋼株式会社 | 延性の良好な超高強度鋼材の製造方法 |
US5545270A (en) * | 1994-12-06 | 1996-08-13 | Exxon Research And Engineering Company | Method of producing high strength dual phase steel plate with superior toughness and weldability |
TW459053B (en) * | 1997-12-19 | 2001-10-11 | Exxon Production Research Co | Ultra-high strength dual phase steels with excellent cryogenic temperature toughness |
US6159312A (en) * | 1997-12-19 | 2000-12-12 | Exxonmobil Upstream Research Company | Ultra-high strength triple phase steels with excellent cryogenic temperature toughness |
JPH11350064A (ja) | 1998-06-08 | 1999-12-21 | Kobe Steel Ltd | 形状凍結性と耐衝撃特性に優れる高強度鋼板及びその製造方法 |
AU768347B2 (en) * | 1999-07-12 | 2003-12-11 | Mmfx Steel Corporation Of America | Low-carbon steels of superior mechanical and corrosion properties and process of making thereof |
-
2001
- 2001-12-14 US US10/017,847 patent/US6746548B2/en not_active Expired - Lifetime
-
2002
- 2002-12-12 UA UA20040705664A patent/UA76012C2/uk unknown
- 2002-12-12 BR BRPI0214966-4A patent/BR0214966B1/pt not_active IP Right Cessation
- 2002-12-12 KR KR1020047009225A patent/KR100860292B1/ko not_active IP Right Cessation
- 2002-12-12 MX MXPA04005743A patent/MXPA04005743A/es active IP Right Grant
- 2002-12-12 PT PT02797338T patent/PT1461467E/pt unknown
- 2002-12-12 NZ NZ533658A patent/NZ533658A/en not_active IP Right Cessation
- 2002-12-12 JP JP2003553020A patent/JP4994572B2/ja not_active Expired - Fee Related
- 2002-12-12 AT AT02797338T patent/ATE405683T1/de not_active IP Right Cessation
- 2002-12-12 CN CNB028279646A patent/CN100406601C/zh not_active Expired - Fee Related
- 2002-12-12 ES ES02797338T patent/ES2310620T3/es not_active Expired - Lifetime
- 2002-12-12 AU AU2002361700A patent/AU2002361700B2/en not_active Ceased
- 2002-12-12 EP EP02797338A patent/EP1461467B1/en not_active Expired - Lifetime
- 2002-12-12 RU RU2004121460/02A patent/RU2293769C2/ru not_active IP Right Cessation
- 2002-12-12 WO PCT/US2002/040126 patent/WO2003052153A1/en active IP Right Grant
- 2002-12-12 CA CA2470388A patent/CA2470388C/en not_active Expired - Lifetime
- 2002-12-12 DE DE60228493T patent/DE60228493D1/de not_active Expired - Lifetime
- 2002-12-13 AR ARP020104848A patent/AR037829A1/es not_active Application Discontinuation
-
2003
- 2003-03-31 US US10/405,209 patent/US6827797B2/en not_active Expired - Lifetime
-
2004
- 2004-06-15 ZA ZA200404736A patent/ZA200404736B/xx unknown
- 2004-07-13 NO NO20042995A patent/NO340613B1/no not_active IP Right Cessation
- 2004-10-20 HK HK04108180A patent/HK1065342A1/xx not_active IP Right Cessation
-
2010
- 2010-10-14 JP JP2010232026A patent/JP2011052324A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101363674B1 (ko) * | 2008-07-24 | 2014-02-14 | 씨알에스 홀딩즈 인코포레이티드 | 고강도 고인성 강 합금 |
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