BR0316361A - Process for manufacturing high strength, high ductility alloy carbon steel - Google Patents

Process for manufacturing high strength, high ductility alloy carbon steel

Info

Publication number
BR0316361A
BR0316361A BR0316361-0A BR0316361A BR0316361A BR 0316361 A BR0316361 A BR 0316361A BR 0316361 A BR0316361 A BR 0316361A BR 0316361 A BR0316361 A BR 0316361A
Authority
BR
Brazil
Prior art keywords
martensite
high strength
microstructure
carbon steel
steel
Prior art date
Application number
BR0316361-0A
Other languages
Portuguese (pt)
Other versions
BR0316361B1 (en
Inventor
Grezegorz J Kusinski
Gareth Thomas
Original Assignee
Mmfx Technologies 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.)
Filing date
Publication date
Application filed by Mmfx Technologies Corp filed Critical Mmfx Technologies Corp
Publication of BR0316361A publication Critical patent/BR0316361A/en
Publication of BR0316361B1 publication Critical patent/BR0316361B1/en

Links

Classifications

    • 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
    • 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/10—Modifying the physical properties of iron or steel by deformation by cold working of the whole cross-section, e.g. of concrete reinforcing bars
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • 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
    • 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
    • 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)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
  • Metal Extraction Processes (AREA)
  • Heat Treatment Of Sheet Steel (AREA)

Abstract

"PROCESSO PARA FABRICAR UM AçO-CARBONO LIGADO DE ALTA RESISTêNCIA E ALTA DUTILIDADE". Ligas de aço endurecidas por deformação que têm um alto limite de resistência são preparadas pelo trabalho a frio de ligas cujas microestruturas incluem grãos nos quais ripas de martensita se alternam com filmes delgados de martensita estabilizada. Por causa da alta densidade de deslocações desta microestrutura e da tendência de as deformações se moverem entre as fases de martensita e austenita, as deformações criadas pelo trabalho a frio fornecem uma microestrutura com propriedades mecânicas exclusivas, incluindo alto limite de resistência. Surpreendentemente, isto é obtido sem a necessidade de tratamentos térmicos intermediários (patenteamento, no caso de arame de aço) do aço entre as reduções do trabalho a frio."PROCESS FOR MANUFACTURING HIGH RESISTANCE AND HIGH DUTILITY CONNECTED CARBON". Deformation-hardened steel alloys that have a high strength limit are prepared by cold working alloys whose microstructures include grains in which martensite slats alternate with thin stabilized martensite films. Because of the high displacement density of this microstructure and the tendency for deformations to move between the martensite and austenite phases, the deformations created by cold work provide a microstructure with unique mechanical properties, including high strength limit. Surprisingly, this is achieved without the need for intermediate heat treatments (patenting for steel wire) of steel between cold working reductions.

BRPI0316361-0A 2002-11-19 2003-11-18 process to manufacture a high strength, high ductility bonded carbon steel. BR0316361B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US42783002P 2002-11-19 2002-11-19
US10/645,833 US20040149362A1 (en) 2002-11-19 2003-08-20 Cold-worked steels with packet-lath martensite/austenite microstructure
PCT/US2003/036875 WO2004046400A1 (en) 2002-11-19 2003-11-18 Cold-worked steels with packet-lath martensite/austenite microstructure

Publications (2)

Publication Number Publication Date
BR0316361A true BR0316361A (en) 2005-09-27
BR0316361B1 BR0316361B1 (en) 2011-12-27

Family

ID=32329190

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0316361-0A BR0316361B1 (en) 2002-11-19 2003-11-18 process to manufacture a high strength, high ductility bonded carbon steel.

Country Status (15)

Country Link
US (2) US20040149362A1 (en)
EP (1) EP1563106B1 (en)
JP (1) JP2006506534A (en)
KR (1) KR20050086674A (en)
AU (1) AU2003291066B2 (en)
BR (1) BR0316361B1 (en)
CA (1) CA2502114C (en)
ES (1) ES2386425T3 (en)
HK (1) HK1074060A1 (en)
MX (1) MXPA05005104A (en)
NO (1) NO20053021L (en)
PT (1) PT1563106E (en)
RU (1) RU2301838C2 (en)
TR (1) TR200501633T2 (en)
WO (1) WO2004046400A1 (en)

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US7214278B2 (en) * 2004-12-29 2007-05-08 Mmfx Technologies Corporation High-strength four-phase steel alloys
SE529013C2 (en) * 2005-05-27 2007-04-10 Sandvik Intellectual Property Cemented carbide for tools for cold processing of beverage cans, and the use of such carbide in coldworking tools
CN1328406C (en) * 2005-06-22 2007-07-25 宁波浙东精密铸造有限公司 Martensite wear resistant cast steel with film austenic toughened and its manufacturing method
US20090242086A1 (en) * 2008-03-31 2009-10-01 Honda Motor Co., Ltd. Microstructural optimization of automotive structures
WO2010051515A1 (en) 2008-10-31 2010-05-06 Fort Wayne Metals Research Products Corporation Method for imparting improved fatigue strength to wire made of shape memory alloys, and medical devices made from such wire
DE102010034161B4 (en) * 2010-03-16 2014-01-02 Salzgitter Flachstahl Gmbh Method for producing workpieces made of lightweight steel with material properties that can be adjusted via the wall thickness
US20110236696A1 (en) * 2010-03-25 2011-09-29 Winky Lai High strength rebar
US8978430B2 (en) 2013-03-13 2015-03-17 Commercial Metals Company System and method for stainless steel cladding of carbon steel pieces
US20140261918A1 (en) * 2013-03-15 2014-09-18 Exxonmobil Research And Engineering Company Enhanced wear resistant steel and methods of making the same
FR3013737B1 (en) * 2013-11-22 2016-01-01 Michelin & Cie HIGH TREFILITY STEEL WIRE COMPRISING A MASS CARBON RATE OF BETWEEN 0.05% INCLUDED AND 0.4% EXCLUDED
US9086261B2 (en) * 2014-10-08 2015-07-21 Thomas Danaher Harvey Identifiable projectiles and methods to make identifiable projectiles for firearms
FR3040655B1 (en) * 2015-09-04 2017-08-25 Michelin & Cie PNEUMATIC COMPRISING CARCASS FRAME CABLES WITH LOW CARBON RATES AND REDUCED RUBBER MELT THICKNESSES
FR3040912A1 (en) * 2015-09-16 2017-03-17 Michelin & Cie PNEUMATIC COMPRISING CARCASE FRAME CABLES WITH LOW CARBON RATES
FR3040911A1 (en) * 2015-09-16 2017-03-17 Michelin & Cie PNEUMATIC COMPRISING CARCASE FRAME CABLES WITH LOW CARBON RATES
FR3045670A1 (en) * 2015-12-16 2017-06-23 Michelin & Cie CARBON STEEL STRIP, ITS USE FOR REINFORCING RUBBER ARTICLES
FR3045671B1 (en) * 2015-12-16 2017-12-08 Michelin & Cie TIRE REINFORCED BY A CARBON STEEL TAPE
WO2018157136A1 (en) * 2017-02-27 2018-08-30 Nucor Corporation Thermal cycling for austenite grain refinement
KR102022088B1 (en) * 2018-02-20 2019-09-18 주식회사 삼원강재 Method and apparatus for manufacturing steel wire
US11447843B2 (en) * 2019-11-19 2022-09-20 Seoul National University R&Db Foundation Resettable alloys and manufacturing method for the same
CN113186464B (en) * 2021-04-25 2022-06-10 东北大学 Ultra-low carbon high-strength high-plasticity martensitic steel and preparation method thereof
CN114214495B (en) * 2021-10-20 2022-06-10 中国科学院力学研究所 Ultrahigh-strength medium manganese steel and preparation method thereof

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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
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Also Published As

Publication number Publication date
EP1563106A4 (en) 2006-08-16
CA2502114A1 (en) 2004-06-03
BR0316361B1 (en) 2011-12-27
EP1563106B1 (en) 2012-06-06
JP2006506534A (en) 2006-02-23
RU2005119192A (en) 2006-01-20
NO20053021L (en) 2005-08-18
US20080236709A1 (en) 2008-10-02
WO2004046400A1 (en) 2004-06-03
EP1563106A1 (en) 2005-08-17
AU2003291066B2 (en) 2008-08-28
US20040149362A1 (en) 2004-08-05
KR20050086674A (en) 2005-08-30
NO20053021D0 (en) 2005-06-20
AU2003291066A1 (en) 2004-06-15
PT1563106E (en) 2012-08-02
HK1074060A1 (en) 2005-10-28
TR200501633T2 (en) 2005-06-21
RU2301838C2 (en) 2007-06-27
MXPA05005104A (en) 2005-07-01
ES2386425T3 (en) 2012-08-20
CA2502114C (en) 2012-07-24

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Legal Events

Date Code Title Description
B06A Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 18/11/2003, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 15A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2494 DE 23-10-2018 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.