公开(公告)号：US20120125490A1

公开(公告)日：2012-05-24

申请号：US13361774

申请日：2012-01-30

申请人： Jayoung Koo ,  Swarupa Bangaru ,  Hyun-Woo Jin ,  Adnan Ozekcin ,  Raghavan Ayer ,  Douglas P. Fairchild ,  Danny L. Beeson ,  Douglas S. Hoyt ,  James B. LeBleu, JR. ,  Shigeru Endo ,  Mitsuhiro Okatsu ,  Shinichi Kakihara ,  Moriyasu Nagae

发明人： Jayoung Koo ,  Swarupa Bangaru ,  Hyun-Woo Jin ,  Adnan Ozekcin ,  Raghavan Ayer ,  Douglas P. Fairchild ,  Danny L. Beeson ,  Douglas S. Hoyt ,  James B. LeBleu, JR. ,  Shigeru Endo ,  Mitsuhiro Okatsu ,  Shinichi Kakihara ,  Moriyasu Nagae

IPC分类号： C21D8/10 ,  C21D9/08 ,  C21D8/02

CPC分类号： C22C38/02 ,  C21D6/005 ,  C21D8/0226 ,  C21D8/0263 ,  C21D9/14 ,  C21D2211/002 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/04 ,  C22C38/08 ,  C22C38/12 ,  C22C38/14 ,  C22C38/16

摘要： A steel composition and method from making a dual phase steel therefrom. The dual phase steel may have carbon of about 0.05% by weight to about 0.12 wt %; niobium of about 0.005 wt % to about 0.03 wt %; titanium of about 0.005 wt % to about 0.02 wt %; nitrogen of about 0.001 wt % to about 0.01 wt %; silicon of about 0.01 wt % to about 0.5 wt %; manganese of about 0.5 wt % to about 2.0 wt %; and a total of molybdenum, chromium, vanadium and copper less than about 0.15 wt %. The steel may have a first phase consisting of ferrite and a second phase having one or more of carbide, pearlite, martensite, lower bainite, granular bainite, upper bainite, and degenerate upper bainite. A solute carbon content in the first phase may be about 0.01 wt % or less.

摘要翻译： 从其制造双相钢的钢组合物和方法。 双相钢可以具有约0.05重量％至约0.12重量％的碳; 约0.005重量％至约0.03重量％的铌; 约0.005重量％至约0.02重量％的钛; 约0.001重量％至约0.01重量％的氮; 约0.01重量％至约0.5重量％的硅; 约0.5重量％至约2.0重量％的锰; 以及少于约0.15重量％的钼，铬，钒和铜的总和。 钢可以具有由铁素体构成的第一相和具有碳化物，珠光体，马氏体，下贝氏体，粒状贝氏体，上贝氏体和退化的上贝氏体中的一种或多种的第二相。 第一相中的溶质碳含量可以为约0.01重量％以下。

公开(公告)号：US20090301613A1

公开(公告)日：2009-12-10

申请号：US12418767

申请日：2009-04-06

申请人： Jayoung Koo ,  Swarupa Soma Bangaru ,  Hyun-Woo Jin ,  Adnan Ozekcin ,  Raghavan Ayer ,  Douglas P. Fairchild ,  Danny L. Beeson ,  Douglas S. Hoyt ,  James B. LeBleu, JR. ,  Shigeru Endo ,  Mitsuhiro Okatsu ,  Shinichi Kakihara ,  Moriyasu Nagae

发明人： Jayoung Koo ,  Swarupa Soma Bangaru ,  Hyun-Woo Jin ,  Adnan Ozekcin ,  Raghavan Ayer ,  Douglas P. Fairchild ,  Danny L. Beeson ,  Douglas S. Hoyt ,  James B. LeBleu, JR. ,  Shigeru Endo ,  Mitsuhiro Okatsu ,  Shinichi Kakihara ,  Moriyasu Nagae

IPC分类号： C21D9/08 ,  C21D8/02 ,  C21D1/70 ,  C22C38/00 ,  C22C38/08

CPC分类号： C22C38/02 ,  C21D6/005 ,  C21D8/0226 ,  C21D8/0263 ,  C21D9/14 ,  C21D2211/002 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/04 ,  C22C38/08 ,  C22C38/12 ,  C22C38/14 ,  C22C38/16

摘要： A steel composition and method from making a dual phase steel therefrom. The dual phase steel may have carbon of about 0.05% by weight to about 0.12 wt %; niobium of about 0.005 wt % to about 0.03 wt %; titanium of about 0.005 wt % to about 0.02 wt %; nitrogen of about 0.001 wt % to about 0.01 wt %; silicon of about 0.01 wt % to about 0.5 wt %; manganese of about 0.5 wt % to about 2.0 wt %; and a total of molybdenum, chromium, vanadium and copper less than about 0.15 wt %. The steel may have a first phase consisting of ferrite and a second phase having one or more of carbide, pearlite, martensite, lower bainite, granular bainite, upper bainite, and degenerate upper bainite. A solute carbon content in the first phase may be about 0.01 wt % or less.

摘要翻译： 从其制造双相钢的钢组合物和方法。 双相钢可以具有约0.05重量％至约0.12重量％的碳; 约0.005重量％至约0.03重量％的铌; 约0.005重量％至约0.02重量％的钛; 约0.001重量％至约0.01重量％的氮; 约0.01重量％至约0.5重量％的硅; 约0.5重量％至约2.0重量％的锰; 以及少于约0.15重量％的钼，铬，钒和铜的总和。 钢可以具有由铁素体构成的第一相和具有碳化物，珠光体，马氏体，下贝氏体，粒状贝氏体，上贝氏体和退化的上贝氏体中的一种或多种的第二相。 第一相中的溶质碳含量可以为约0.01重量％以下。

公开(公告)号：US09896748B2

公开(公告)日：2018-02-20

申请号：US13361774

申请日：2012-01-30

申请人： Jayoung Koo ,  Narasimha-Rao V. Bangaru ,  Swarupa Soma Bangaru ,  Hyun-Woo Jin ,  Adnan Ozekcin ,  Raghavan Ayer ,  Douglas P. Fairchild ,  Danny L. Beeson ,  Douglas S. Hoyt ,  James B. LeBleu, Jr. ,  Shigeru Endo ,  Mitsuhiro Okatsu ,  Shinichi Kakihara ,  Moriyasu Nagae

发明人： Jayoung Koo ,  Narasimha-Rao V. Bangaru ,  Hyun-Woo Jin ,  Adnan Ozekcin ,  Raghavan Ayer ,  Douglas P. Fairchild ,  Danny L. Beeson ,  Douglas S. Hoyt ,  James B. LeBleu, Jr. ,  Shigeru Endo ,  Mitsuhiro Okatsu ,  Shinichi Kakihara ,  Moriyasu Nagae

IPC分类号： C21D8/10 ,  C22C38/02 ,  C21D6/00 ,  C21D8/02 ,  C21D9/14 ,  C22C38/04 ,  C22C38/08 ,  C22C38/12 ,  C22C38/14 ,  C22C38/16

CPC分类号： C22C38/02 ,  C21D6/005 ,  C21D8/0226 ,  C21D8/0263 ,  C21D9/14 ,  C21D2211/002 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/04 ,  C22C38/08 ,  C22C38/12 ,  C22C38/14 ,  C22C38/16

摘要： A steel composition and method from making a dual phase steel therefrom. The dual phase steel may have carbon of about 0.05% by weight to about 0.12 wt %; niobium of about 0.005 wt % to about 0.03 wt %; titanium of about 0.005 wt % to about 0.02 wt %; nitrogen of about 0.001 wt % to about 0.01 wt %; silicon of about 0.01 wt % to about 0.5 wt %; manganese of about 0.5 wt % to about 2.0 wt %; and a total of molybdenum, chromium, vanadium and copper less than about 0.15 wt %. The steel may have a first phase consisting of ferrite and a second phase having one or more of carbide, pearlite, martensite, lower bainite, granular bainite, upper bainite, and degenerate upper bainite. A solute carbon content in the first phase may be about 0.01 wt % or less.

公开(公告)号：US20080032153A1

公开(公告)日：2008-02-07

申请号：US11643526

申请日：2006-12-21

申请人： Glen A. Vaughn ,  Narasimha-Rao Venkata Bangaru ,  Jayoung Koo ,  Raghavan Ayer ,  Danny L. Beeson ,  Neeraj S. Thirumalai ,  David A. Baker ,  David A. Norman ,  Steven J. Ford ,  Douglas P. Fairchild

发明人： Glen A. Vaughn ,  Narasimha-Rao Venkata Bangaru ,  Jayoung Koo ,  Raghavan Ayer ,  Danny L. Beeson ,  Neeraj S. Thirumalai ,  David A. Baker ,  David A. Norman ,  Steven J. Ford ,  Douglas P. Fairchild

IPC分类号： B32B15/00

CPC分类号： B23K26/18 ,  B23K26/009 ,  B23K26/356 ,  C21D9/08 ,  C21D10/005 ,  Y10T428/12493

摘要： The use of friction stir and laser shock processing in oil & gas and/or petrochemical applications is provided by the present invention. The use includes subjecting friction stir weldments, fusion weldments, and other critical regions of ferrous and non-ferrous alloy components used in oil & gas and petrochemical applications to laser shock processing to create residual compressive stresses near the surface of the treated area. The residual compressive forces in the ferrous or non-ferrous components improve properties including, inter alia, surface strength, fatigue life, surface hardness, stress corrosion resistance, fatigue resistance, and environmental cracking resistance. Friction stir and laser shock processing find particular application in high strength pipelines, steel catenary risers, top tension risers, threaded components, liquefied natural gas containers, pressurized liquefied natural gas containers, deep water oil drill strings, riser/casing joints, and well-head equipment.

摘要翻译： 在油气和/或石化应用中使用摩擦搅拌和激光冲击加工由本发明提供。 该用途包括将摩擦搅拌焊件，熔接焊缝以及用于石油和天然气和石油化学应用中的铁和非铁合金部件的其它关键区域进行激光冲击加工，以在处理区域的表面附近产生残余压应力。 亚铁或有色金属组分中的剩余压缩力改善了表面强度，疲劳寿命，表面硬度，耐应力腐蚀性，耐疲劳性和耐环境开裂性等特性。 摩擦搅拌和激光冲击加工特别适用于高强度管道，钢悬臂升降机，顶部张力提升机，螺纹部件，液化天然气集装箱，加压液化天然气集装箱，深水钻井钻柱，立管/套管接头， 头设备。

公开(公告)号：US06565678B2

公开(公告)日：2003-05-20

申请号：US09920894

申请日：2001-08-02

申请人： Douglas P. Fairchild ,  Jayoung Koo ,  Narasimha-Rao V. Bangaru ,  Mario Luis Macia ,  Danny Lee Beeson ,  Adnan Ozekcin

发明人： Douglas P. Fairchild ,  Jayoung Koo ,  Narasimha-Rao V. Bangaru ,  Mario Luis Macia ,  Danny Lee Beeson ,  Adnan Ozekcin

IPC分类号： C22C3808

CPC分类号： C22C38/02 ,  B23K35/3066 ,  C21D2211/002 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/04 ,  C22C38/08 ,  C22C38/12 ,  C22C38/42 ,  C22C38/44 ,  C22C38/48 ,  C22C38/50 ,  C22C38/58

摘要： Weld metals suitable for joining high strength, low alloy steels are provided. These weld metals have microstructures of acicular ferrite interspersed in a hard constituent, such as lath martensite, yield strengths of at least about 690 MPa (100 ksi), and DBTTs lower than about −50° C. (−58° F.) as measured by a Charpy energy versus temperature curve. These weld metals include about 0.04 wt % to about 0.08 wt % carbon; about 1.0 wt % to about 2.0 wt % manganese; about 0.2 wt % to about 0.7 wt % silicon; about 0.30 wt % to 0.80 wt % molybdenum; about 2.3 wt % to about 3.5 wt % nickel; about 0.0175 wt % to about 0.0400 wt % oxygen, and at least one additive selected from the group consisting of (i) up to about 0.04 wt % zirconium, and (ii) up to about 0.02 wt % titanium.

公开(公告)号：US20080032152A1

公开(公告)日：2008-02-07

申请号：US11499800

申请日：2006-08-04

申请人： Glen A. Vaughn ,  Narasimha-Rao Venkata Bangaru ,  Jayoung Koo ,  Raghavan Ayer ,  Danny L. Beeson ,  Neeraj S. Thirumalai ,  David A. Baker ,  David A. Norman

发明人： Glen A. Vaughn ,  Narasimha-Rao Venkata Bangaru ,  Jayoung Koo ,  Raghavan Ayer ,  Danny L. Beeson ,  Neeraj S. Thirumalai ,  David A. Baker ,  David A. Norman

IPC分类号： B32B15/00

CPC分类号： B23K26/18 ,  B23K26/009 ,  B23K26/356 ,  C21D9/08 ,  C21D10/005 ,  Y10T428/12493

摘要： The use of laser shock processing in oil & gas and/or petrochemical applications is provided by the present invention. The use includes subjecting friction stir weldments, fusion weldments, and other critical regions of ferrous and non-ferrous alloy components used in oil & gas and petrochemical applications to laser shock processing to create residual compressive stresses near the surface of the treated area. The residual compressive forces in the ferrous or non-ferrous components improve properties including, inter alia, is surface strength, fatigue life, surface hardness, stress corrosion resistance, fatigue resistance, and environmental cracking resistance. Laser shock processing finds particular application in high strength pipelines, steel catenary risers, top tension risers, threaded components, liquefied natural gas containers, pressurized liquefied natural gas containers, deep water oil drill strings, riser/casing joints, and well-head equipment.

摘要翻译： 在油气和/或石化应用中使用激光冲击加工由本发明提供。 该用途包括将摩擦搅拌焊件，熔接焊缝以及用于石油和天然气和石油化学应用中的铁和非铁合金部件的其它关键区域进行激光冲击加工，以在处理区域的表面附近产生残余压应力。 亚铁或有色金属组分中的残余压缩力改善了表面强度，疲劳寿命，表面硬度，耐应力腐蚀性，耐疲劳性和耐环境开裂性等特性。 激光冲击加工特别适用于高强度管道，钢悬臂立管，顶部拉力梯，螺纹部件，液化天然气集装箱，加压液化天然气集装箱，深水钻井钻柱，立管/套管接头和井口设备。

公开(公告)号：US08141768B2

公开(公告)日：2012-03-27

申请号：US11643528

申请日：2006-12-21

申请人： Steven J. Ford ,  Neeraj Thirumalai ,  James Ronald Rigby ,  Mark Biegler ,  Narasimha-Rao Venkata Bangaru ,  Jayoung Koo ,  Glen A. Vaughn ,  Raghavan Ayer ,  Douglas P. Fairchild

发明人： Steven J. Ford ,  Neeraj Thirumalai ,  James Ronald Rigby ,  Mark Biegler ,  Narasimha-Rao Venkata Bangaru ,  Jayoung Koo ,  Glen A. Vaughn ,  Raghavan Ayer ,  Douglas P. Fairchild

IPC分类号： B23K20/12

CPC分类号： B23K20/1225 ,  B23K20/227 ,  B23K2101/06 ,  B23K2103/02

摘要： A method for welding and repairing cracks in metal parts is provided by subjecting the metal parts to be welded to friction stir welding and the cracks to be repaired to friction stir processing under conditions sufficient to provide a weld joint or crack repair having a preselected property or set of properties based upon the intended use of the weldment. The FSW and FSP methods are advantageous in joining and repairing metal structures and components in applications for natural gas transportation and storage, oil and gas well completion and production, and oil and gas refinery and chemical plants.

摘要翻译： 一种用于焊接和修复金属部件中的裂纹的方法是通过在足以提供具有预选性质的焊接接头或裂缝修复的条件下对要焊接的金属部件进行摩擦搅拌焊接和要修复的裂纹进行摩擦搅拌加工的方法， 基于焊件的预期用途的一组属性。 FSW和FSP方法在天然气运输和储存，油气井完井和生产以及油气炼厂和化工厂的应用中，有利于接合和修复金属结构和部件。

公开(公告)号：US20070175967A1

公开(公告)日：2007-08-02

申请号：US11639533

申请日：2006-12-15

申请人： Narasimha-Rao Venkata Bangaru ,  Jayoung Koo ,  Glen A. Vaughn ,  Raghavan Ayer ,  Douglas P. Fairchild

发明人： Narasimha-Rao Venkata Bangaru ,  Jayoung Koo ,  Glen A. Vaughn ,  Raghavan Ayer ,  Douglas P. Fairchild

IPC分类号： B23K20/12

CPC分类号： B23K20/122 ,  B23K20/128 ,  B23K2101/04 ,  B23K2103/02

摘要： A method for welding and repairing cracks in metal parts is provided by subjecting the metal parts to be welded to friction stir welding and the cracks to be repaired to friction stir processing under conditions sufficient to provide a weld joint or crack repair having a preselected property or set of properties based upon the intended use of the weldment.

摘要翻译： 一种用于焊接和修复金属部件中的裂纹的方法是通过在足以提供具有预选性质的焊接接头或裂缝修复的条件下对要焊接的金属部件进行摩擦搅拌焊接和要修复的裂纹进行摩擦搅拌加工的方法， 基于焊件的预期用途的一组属性。

公开(公告)号：US20070181647A1

公开(公告)日：2007-08-09

申请号：US11643528

申请日：2006-12-21

申请人： Steven Ford ,  Neeraj Thirumalai ,  James Rigby ,  Mark Biegler ,  Narasimha-Rao Venkata Bangaru ,  Jayoung Koo ,  Glen Vaughn ,  Raghavan Ayer ,  Douglas Fairchild

发明人： Steven Ford ,  Neeraj Thirumalai ,  James Rigby ,  Mark Biegler ,  Narasimha-Rao Venkata Bangaru ,  Jayoung Koo ,  Glen Vaughn ,  Raghavan Ayer ,  Douglas Fairchild

IPC分类号： A47J36/02

CPC分类号： B23K20/1225 ,  B23K20/227 ,  B23K2101/06 ,  B23K2103/02

摘要： A method for welding and repairing cracks in metal parts is provided by subjecting the metal parts to be welded to friction stir welding and the cracks to be repaired to friction stir processing under conditions sufficient to provide a weld joint or crack repair having a preselected property or set of properties based upon the intended use of the weldment. The FSW and FSP methods are advantageous in joining and repairing metal structures and components in applications for natural gas transportation and storage, oil and gas well completion and production, and oil and gas refinery and chemical plants.

摘要翻译： 一种用于焊接和修复金属部件中的裂纹的方法是通过在足以提供具有预选性质的焊接接头或裂缝修复的条件下对要焊接的金属部件进行摩擦搅拌焊接和要修复的裂纹进行摩擦搅拌加工的方法， 基于焊件的预期用途的一组属性。 FSW和FSP方法在天然气运输和储存，油气井完井和生产以及油气炼厂和化工厂的应用中，有利于接合和修复金属结构和部件。

公开(公告)号：US06254698B1

公开(公告)日：2001-07-03

申请号：US09215773

申请日：1998-12-19

申请人： Jayoung Koo ,  Narasimha-Rao V. Bangaru ,  Glen A. Vaughn ,  Raghavan Ayer

发明人： Jayoung Koo ,  Narasimha-Rao V. Bangaru ,  Glen A. Vaughn ,  Raghavan Ayer

IPC分类号： C21D802

CPC分类号： C21D6/001 ,  C21D1/19 ,  C21D1/20 ,  C21D7/13 ,  C21D8/02 ,  C21D8/0226 ,  C21D9/0068 ,  C21D9/08 ,  C21D2211/001 ,  C21D2211/002 ,  C21D2211/008 ,  C22C38/001 ,  C22C38/04 ,  C22C38/08 ,  C22C38/12 ,  C22C38/14 ,  C22C38/16

摘要： An ultra-high strength, weldable, low alloy steel with excellent cryogenic temperature toughness in the base plate and in the heat affected zone (HAZ) when welded, having a tensile strength greater than about 830 MPa (120 ksi) and a microstructure comprising (i) predominantly fine-grained lower bainite, fine-grained lath martensite, fine granular bainite (FGB), or mixtures thereof, and (ii) up to about 10 vol % retained austenite, is prepared by heating a steel slab comprising iron and specified weight percentages of some or all of the additives carbon, manganese, nickel, nitrogen, copper, chromium, molybdenum, silicon, niobium, vanadium, titanium, aluminum, and boron; reducing the slab to form plate in one or more passes in a temperature range in which austenite recrystallizes; finish rolling the plate in one or more passes in a temperature range below the austenite recrystallization temperature and above the Ar3 transformation temperature; quenching the finish rolled plate to a suitable Quench Stop Temperature (QST); stopping the quenching; and either, for a period of time, holding the plate substantially isothermally at the QST or slow-cooling the plate before air cooling, or simply air cooling the plate to ambient temperature.

摘要翻译： 在焊接时，在底板和热影响区（HAZ）中具有优异的低温韧性的超高强度，可焊接的低合金钢，具有大于约830MPa（120ksi）的拉伸强度和包含（ i）主要是细粒度的下贝氏体，细粒状板条马氏体，细粒状贝氏体（FGB）或其混合物，和（ii）高达约10体积％的残余奥氏体，通过加热包括铁和指定的钢板 碳，锰，镍，氮，铜，铬，钼，硅，铌，钒，钛，铝和硼中的一些或所有添加剂的重量百分数。 在奥氏体重结晶的温度范围内，在一次或多次通过时，将板坯还原成板; 在低于奥氏体再结晶温度且高于Ar3转变温度的温度范围内，在一个或多个道次中对板进行精轧; 将精轧板淬火至合适的淬火停止温度（QST）; 停止淬火 并且在一段时间内，在空气冷却之前将板保持基本上等温，或者在空气冷却之前缓慢冷却板，或者简单地将板空气冷却至环境温度。