CA2502114A1 - Cold-worked steels with packet-lath martensite/austenite microstructure - Google Patents
Cold-worked steels with packet-lath martensite/austenite microstructure Download PDFInfo
- Publication number
- CA2502114A1 CA2502114A1 CA002502114A CA2502114A CA2502114A1 CA 2502114 A1 CA2502114 A1 CA 2502114A1 CA 002502114 A CA002502114 A CA 002502114A CA 2502114 A CA2502114 A CA 2502114A CA 2502114 A1 CA2502114 A1 CA 2502114A1
- Authority
- CA
- Canada
- Prior art keywords
- accordance
- carbon steel
- steel alloy
- temperature
- martensite
- Prior art date
- 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.)
- Granted
Links
- 229910001566 austenite Inorganic materials 0.000 title claims abstract 16
- 229910000734 martensite Inorganic materials 0.000 title claims abstract 11
- 229910000831 Steel Inorganic materials 0.000 title abstract 3
- 239000010959 steel Substances 0.000 title abstract 3
- 229910045601 alloy Inorganic materials 0.000 claims abstract 21
- 239000000956 alloy Substances 0.000 claims abstract 21
- 238000005482 strain hardening Methods 0.000 claims abstract 9
- 230000009467 reduction Effects 0.000 claims abstract 6
- 238000010438 heat treatment Methods 0.000 claims abstract 5
- 238000000034 method Methods 0.000 claims 20
- 229910000975 Carbon steel Inorganic materials 0.000 claims 19
- 239000010962 carbon steel Substances 0.000 claims 19
- 239000000203 mixture Substances 0.000 claims 8
- 238000001816 cooling Methods 0.000 claims 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 4
- 238000005275 alloying Methods 0.000 claims 4
- 239000013078 crystal Substances 0.000 claims 4
- 230000000717 retained effect Effects 0.000 claims 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 2
- 229910052799 carbon Inorganic materials 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims 2
- 229910052710 silicon Inorganic materials 0.000 claims 2
- 239000010703 silicon Substances 0.000 claims 2
- 230000007704 transition Effects 0.000 claims 2
- 229910000859 α-Fe Inorganic materials 0.000 claims 2
- 229910000851 Alloy steel Inorganic materials 0.000 claims 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 claims 1
- 229910052804 chromium Inorganic materials 0.000 claims 1
- 239000011651 chromium Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
- 229910000760 Hardened steel Inorganic materials 0.000 abstract 1
- 239000010409 thin film Substances 0.000 abstract 1
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)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic 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
Strain-hardened steel alloys having a high tensile strength are prepared by cold working of alloys whose microstructure includes grains in which laths of martensite alternate with thin films of stabilized austenite. Due to the high dislocation density of this microstructure and the tendency of the strains to move between the martensite and austenite phases, the strains created by cold working provide the microstructure with unique mechanical properties including a high tensile strength. Surprisingly, this is achieved without the need for intermediate heat treatments (patenting, in the case of steel wire) of the steel between cold working reductions.
Claims (20)
1. A process for manufacturing a high-strength, high-ductility alloy carbon steel, said process comprising:
(a) forming a carbon steel alloy having a microstructure comprising laths of martensite alternating with films of retained austenite, and (b) cold working said carbon steel alloy to a reduction sufficient to achieve a tensile strength of at least about 150 ksi.
(a) forming a carbon steel alloy having a microstructure comprising laths of martensite alternating with films of retained austenite, and (b) cold working said carbon steel alloy to a reduction sufficient to achieve a tensile strength of at least about 150 ksi.
2. A process in accordance with claim 1 in which step (b) comprises cold working said carbon steel alloy to a reduction sufficient to achieve a tensile strength of from about 150 ksi to about 500 ksi.
3. A process in accordance with claim 1 in which step (b) comprises cold working said carbon steel alloy to a cross-sectional area reduction of at least about 20% per pass.
4. A process in accordance with claim 1 in which step (b) comprises cold working said steel alloy to a cross-sectional area reduction of at least about 25% per pass
5. A process in accordance with claim 1 in which step (b) comprises cold working said carbon steel alloy to a cross-sectional area reduction of from about 25% to about 50% per pass.
6. A process in accordance with claim 1 in which step (b) comprises cold working said carbon steel alloy in a series of passes without heat treatment between passes.
7. A process in accordance with claim 1 in which step (b) is performed at a temperature of about 100°C or below.
8. A process in accordance with claim 1 in which step (b) is performed within approximately 25°C of ambient temperature.
9. A process in accordance with claim 1 in which said carbon steel alloy is in the form of a rod or wire, and step (b) comprises drawing said carbon steel alloy through a die.
10. A process in accordance with claim 1 in which said carbon steel alloy is in the form of a sheet, and step (b) comprises rolling said carbon steel alloy.
11. A process in accordance with claim 1 in which step (a) comprises (i) forming a carbon steel alloy composition having a martensite start temperature of at least about 300°C, (ii) heating said carbon steel alloy composition to a temperature sufficiently high to cause austenitization thereof, to produce a homogeneous austenite phase with all alloying elements in solution, and (iii) cooling said homogeneous austenite phase through said martensite transition range at a cooling rate sufficiently fast to achieve said microstructure substantially avoiding carbide formation at interfaces between said laths of martensite and said films of retained austenite.
12. A process in accordance with claim 11 in which said carbon steel alloy composition having a martensite start temperature of at least about 350°C.
13. A process in accordance with claim 11 in which said retained austenite films are of a uniform orientation.
14. A process in accordance with claim 11 in which said carbon steel alloy composition consists of iron and alloying elements comprising from about 0.04%
to about 0.12% carbon, from 0% to about 11% chromium, from 0% to about 2.0% manganese, and from 0% to about 2.0% silicon, all by weight.
to about 0.12% carbon, from 0% to about 11% chromium, from 0% to about 2.0% manganese, and from 0% to about 2.0% silicon, all by weight.
15. A process in accordance with claim 11 in which said temperature of step (ii) is from about 800°C to about 1150°C.
16. A process in accordance with claim 1 in which step (a) comprises (i) forming a carbon steel alloy composition having a martensite start temperature of at least about 300°C, (ii) heating said carbon steel alloy composition to a temperature sufficiently high to cause austenitization thereof, to produce a homogeneous austenite phase with all alloying elements in solution, (iii) cooling said homogeneous austenite phase to transform a portion of said austenite phase to ferrite crystals, thereby forming a two-phase microstructure comprising ferrite crystals fused with austenite crystals, and (iv) cooling said two-phase microstructure through said martensite transition range under conditions causing conversion of said austenite crystals to a microstructure containing laths of martensite alternating with films of retained austenite.
17. A process in accordance with claim 16 in which step (iii) comprises cooling said homogeneous austenite phase to a temperature of from about 800°C to about 1,000°C.
18. A process in accordance with claim 16 in which step (ii) comprises heating said carbon steel alloy composition to a temperature of from about 1,050°C to about 1,170°C, and step (iii) comprises cooling said homogeneous austenite phase to a temperature of from about 800°C to about 1,000°C.
19. A process in accordance with claim 16 in which said carbon steel alloy composition consists of iron and alloying elements comprising from about 0.02%
to about 0.14% carbon, from 0% to about 3.0% silicon, from 0% to about 1.5% manganese, and from 0% to about 1.5% aluminum, all by weight.
to about 0.14% carbon, from 0% to about 3.0% silicon, from 0% to about 1.5% manganese, and from 0% to about 1.5% aluminum, all by weight.
20
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US42783002P | 2002-11-19 | 2002-11-19 | |
| US60/427,830 | 2002-11-19 | ||
| US10/645,833 | 2003-08-20 | ||
| 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 |
|---|---|
| CA2502114A1 true CA2502114A1 (en) | 2004-06-03 |
| CA2502114C CA2502114C (en) | 2012-07-24 |
Family
ID=32329190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2502114A Expired - Lifetime CA2502114C (en) | 2002-11-19 | 2003-11-18 | Cold-worked steels with packet-lath martensite/austenite microstructure |
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) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US8414714B2 (en) | 2008-10-31 | 2013-04-09 | 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 |
| FR3040911A1 (en) * | 2015-09-16 | 2017-03-17 | Michelin & Cie | PNEUMATIC COMPRISING CARCASE FRAME CABLES WITH LOW CARBON RATES |
| FR3040912A1 (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 |
| CN110366602B (en) | 2017-02-27 | 2022-10-11 | 纽科尔公司 | 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 |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4170497A (en) * | 1977-08-24 | 1979-10-09 | The Regents Of The University Of California | High strength, tough alloy steel |
| US4170499A (en) * | 1977-08-24 | 1979-10-09 | The Regents Of The University Of California | Method of making high strength, tough alloy steel |
| JPS59162254A (en) * | 1983-03-01 | 1984-09-13 | Takeshi Masumoto | Fe alloy material of superior workability |
| US4613385A (en) * | 1984-08-06 | 1986-09-23 | Regents Of The University Of California | High strength, low carbon, dual phase steel rods and wires and process for making same |
| 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 |
| CA1332210C (en) * | 1985-08-29 | 1994-10-04 | Masaaki Katsumata | High strength low carbon steel wire rods and method of producing them |
| US4671827A (en) * | 1985-10-11 | 1987-06-09 | Advanced Materials And Design Corp. | Method of forming high-strength, tough, corrosion-resistant steel |
| FR2661194B1 (en) * | 1990-04-20 | 1993-08-13 | Coflexip | PROCESS FOR PRODUCING STEEL WIRES FOR THE MANUFACTURE OF FLEXIBLE CONDUITS, STEEL WIRES OBTAINED BY THIS PROCESS AND FLEXIBLE CONDUITS REINFORCED BY SUCH WIRES. |
| US5296317A (en) * | 1992-09-03 | 1994-03-22 | Water Gremlin Co. | High torque battery terminal and method of making same |
| US5277048A (en) * | 1992-11-20 | 1994-01-11 | Crs Holdings, Inc. | Process and apparatus for treating the surface of an elongated, steel alloy form to facilitate cold working thereof |
| US5462613A (en) * | 1994-06-07 | 1995-10-31 | Gs Technologies Corporation | Method and apparatus for producing steel rods with a desired tensile strength and model for simulating same |
| US6099797A (en) * | 1996-09-04 | 2000-08-08 | The Goodyear Tire & Rubber Company | Steel tire cord with high tensile strength |
| US6159312A (en) * | 1997-12-19 | 2000-12-12 | Exxonmobil Upstream Research Company | Ultra-high strength triple phase steels with excellent cryogenic temperature toughness |
| US6143241A (en) * | 1999-02-09 | 2000-11-07 | Chrysalis Technologies, Incorporated | Method of manufacturing metallic products such as sheet by cold working and flash annealing |
| NZ516393A (en) * | 1999-07-12 | 2003-01-31 | Mmfx Steel Corp Of America | Low-carbon steels of enhanced mechanical and corrosion properties with heating and cooling to achieve laths of martensite alternating with films of retained austenite, and no carbides |
| US6376433B1 (en) * | 1999-07-13 | 2002-04-23 | Century Chemical Corporation | Process and product for lubricating metal prior to cold forming |
| WO2002089527A2 (en) * | 2001-04-27 | 2002-11-07 | Tutco, Inc. | Method and apparatus for mounting a heater thermostat and temperature sensitive fuse |
| US6746548B2 (en) * | 2001-12-14 | 2004-06-08 | Mmfx Technologies Corporation | Triple-phase nano-composite steels |
| US6709534B2 (en) * | 2001-12-14 | 2004-03-23 | Mmfx Technologies Corporation | Nano-composite martensitic steels |
-
2003
- 2003-08-20 US US10/645,833 patent/US20040149362A1/en not_active Abandoned
- 2003-11-18 AU AU2003291066A patent/AU2003291066B2/en not_active Ceased
- 2003-11-18 RU RU2005119192/02A patent/RU2301838C2/en not_active IP Right Cessation
- 2003-11-18 CA CA2502114A patent/CA2502114C/en not_active Expired - Lifetime
- 2003-11-18 KR KR1020057008762A patent/KR20050086674A/en not_active Application Discontinuation
- 2003-11-18 TR TR2005/01633T patent/TR200501633T2/en unknown
- 2003-11-18 PT PT03783653T patent/PT1563106E/en unknown
- 2003-11-18 WO PCT/US2003/036875 patent/WO2004046400A1/en active Application Filing
- 2003-11-18 ES ES03783653T patent/ES2386425T3/en not_active Expired - Lifetime
- 2003-11-18 MX MXPA05005104A patent/MXPA05005104A/en active IP Right Grant
- 2003-11-18 JP JP2004570622A patent/JP2006506534A/en active Pending
- 2003-11-18 EP EP03783653A patent/EP1563106B1/en not_active Expired - Lifetime
- 2003-11-18 BR BRPI0316361-0A patent/BR0316361B1/en not_active IP Right Cessation
-
2005
- 2005-06-20 NO NO20053021A patent/NO20053021L/en not_active Application Discontinuation
- 2005-08-22 HK HK05107280.9A patent/HK1074060A1/en not_active IP Right Cessation
-
2008
- 2008-06-03 US US12/132,593 patent/US20080236709A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| EP1563106A1 (en) | 2005-08-17 |
| WO2004046400A1 (en) | 2004-06-03 |
| AU2003291066A1 (en) | 2004-06-15 |
| RU2301838C2 (en) | 2007-06-27 |
| RU2005119192A (en) | 2006-01-20 |
| US20080236709A1 (en) | 2008-10-02 |
| EP1563106B1 (en) | 2012-06-06 |
| KR20050086674A (en) | 2005-08-30 |
| HK1074060A1 (en) | 2005-10-28 |
| TR200501633T2 (en) | 2005-06-21 |
| CA2502114C (en) | 2012-07-24 |
| MXPA05005104A (en) | 2005-07-01 |
| BR0316361A (en) | 2005-09-27 |
| NO20053021L (en) | 2005-08-18 |
| BR0316361B1 (en) | 2011-12-27 |
| NO20053021D0 (en) | 2005-06-20 |
| ES2386425T3 (en) | 2012-08-20 |
| US20040149362A1 (en) | 2004-08-05 |
| EP1563106A4 (en) | 2006-08-16 |
| AU2003291066B2 (en) | 2008-08-28 |
| JP2006506534A (en) | 2006-02-23 |
| PT1563106E (en) | 2012-08-02 |
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