公开(公告)号：US20060169366A1

公开(公告)日：2006-08-03

申请号：US11340472

申请日：2006-01-27

申请人： Fumio Yuse ,  Kenji Saito ,  Shushi Ikeda ,  Koichi Sugimoto

发明人： Fumio Yuse ,  Kenji Saito ,  Shushi Ikeda ,  Koichi Sugimoto

IPC分类号： C22C38/00

CPC分类号： C22C38/02 ,  C21D6/005 ,  C21D6/008 ,  C21D2211/002 ,  C22C38/04

摘要： The present invention provides a high strength bolt that has excellent hydrogen embrittlement resistance. The high strength bolt having excellent hydrogen embrittlement resistance which bolt comprises 0.20 to 0.60% of C, 1.0 to 3.0% of Si, 1.0 to 3.5% of Mn, higher than 0% and not higher than 1.5% of Al, 0.15% or less P, 0.02% or less S, and balance of iron and inevitable impurities, and the structure includes: 1% or more residual austenite; 80% or more in total content of bainitic ferrite and martensite; and 10% or less (may be 0%) in total content of ferrite and pearlite in the proportion of area to the entire structure, and also the mean axis ratio (major axis/minor axis) of the residual austenite grains is 5 or higher and the bolt has tensile strength of 1180 MPa or higher.

摘要翻译： 本发明提供耐氢脆性优异的高强度螺栓。 具有优异的耐氢脆性的高强度螺栓包括C：0.20〜0.60％，Si：1.0〜3.0％，Mn：1.0〜3.5％，Al：1.5％以上，0.15％以下 P，0.02％以下S，余量为铁和不可避免的杂质，其结构包括：1％以上残余奥氏体; 贝氏体铁素体和马氏体总含量为80％以上; 和铁素体和珠光体的总含量相对于整个结构的面积的比例为10％以下（可以为0％），残余奥氏体晶粒的平均轴比（长轴/短轴）为5以上 螺栓的拉伸强度为1180MPa以上。

公开(公告)号：US07438770B2

公开(公告)日：2008-10-21

申请号：US11340547

申请日：2006-01-27

申请人： Fumio Yuse ,  Kenji Saito ,  Shushi Ikeda ,  Koichi Sugimoto

发明人： Fumio Yuse ,  Kenji Saito ,  Shushi Ikeda ,  Koichi Sugimoto

IPC分类号： C22C38/02 ,  C22C38/04 ,  C22C38/06

CPC分类号： C21D9/02 ,  C21D8/065 ,  C21D11/00 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/02 ,  C22C38/04 ,  Y10S148/908

摘要： The present invention provides a high strength steel used for spring steel that has excellent hydrogen embrittlement resistance.The high strength steel which spring steel having excellent hydrogen embrittlement resistance comprises 0.20 to 0.60% of C, 1.0 to 3.0% of Si, 1.0 to 3.5% of Mn, higher than 0% and not higher than 1.5% of Al, 0.15% or less P, 0.02% or less S, and balance of iron and inevitable impurities and the structure includes: 1% or more residual austenite; 80% or more in total of bainitic ferrite and martensite; and 10% or less (may be 0%) in total content of ferrite and pearlite in the proportion of area to the entire structure, and also the mean axis ratio (major axis/minor axis) of the residual austenite grains is 5 or higher and the steel tensile strength is 1860 MPa or higher.

摘要翻译： 本发明提供一种耐氢脆性优异的用于弹簧钢的高强度钢。 具有优异的耐氢脆性的弹簧钢的高强度钢包括C：0.20〜0.60％，Si：1.0〜3.0％，Mn：1.0〜3.5％，Al：0.15％以上且1.5％以下 较少P，0.02％以下S，余量为铁和不可避免的杂质，其结构包括：1％以上残余奥氏体; 总共为贝氏体铁素体和马氏体的80％以上; 和铁素体和珠光体的总含量相对于整个结构的面积的比例为10％以下（可以为0％），残余奥氏体晶粒的平均轴比（长轴/短轴）为5以上 钢抗拉强度为1860MPa以上。

公开(公告)号：US20060169367A1

公开(公告)日：2006-08-03

申请号：US11340547

申请日：2006-01-27

申请人： Fumio Yuse ,  Kenji Saito ,  Shushi Ikeda ,  Koichi Sugimoto

发明人： Fumio Yuse ,  Kenji Saito ,  Shushi Ikeda ,  Koichi Sugimoto

IPC分类号： C22C38/00

CPC分类号： C21D9/02 ,  C21D8/065 ,  C21D11/00 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/02 ,  C22C38/04 ,  Y10S148/908

摘要： The present invention provides a high strength steel used for spring steel that has excellent hydrogen embrittlement resistance. The high strength steel which spring steel having excellent hydrogen embrittlement resistance comprises 0.20 to 0.60% of C, 1.0 to 3.0% of Si, 1.0 to 3.5% of Mn, higher than 0% and not higher than 1.5% of Al, 0.15% or less P, 0.02% or less S, and balance of iron and inevitable impurities and the structure includes: 1% or more residual austenite; 80% or more in total of bainitic ferrite and martensite; and 10% or less (may be 0%) in total content of ferrite and pearlite in the proportion of area to the entire structure, and also the mean axis ratio (major axis/minor axis) of the residual austenite grains is 5 or higher and the steel tensile strength is 1860 MPa or higher.

摘要翻译： 本发明提供一种耐氢脆性优异的用于弹簧钢的高强度钢。 具有优异的耐氢脆性的弹簧钢的高强度钢包括C：0.20〜0.60％，Si：1.0〜3.0％，Mn：1.0〜3.5％，Al：0.15％以上且1.5％以下 较少P，0.02％以下S，余量为铁和不可避免的杂质，其结构包括：1％以上残余奥氏体; 总共为贝氏体铁素体和马氏体的80％以上; 和铁素体和珠光体的总含量相对于整个结构的面积的比例为10％以下（可以为0％），残余奥氏体晶粒的平均轴比（长轴/短轴）为5以上 钢抗拉强度为1860MPa以上。

公开(公告)号：US20060137769A1

公开(公告)日：2006-06-29

申请号：US11317181

申请日：2005-12-27

申请人： Fumio Yuse ,  Shushi Ikeda ,  Yoichi Mukai ,  Hiroshi Akamizu ,  Junichiro Kinugasa ,  Kenji Saito ,  Koichi Sugimoto ,  Tomohiko Hojo

发明人： Fumio Yuse ,  Shushi Ikeda ,  Yoichi Mukai ,  Hiroshi Akamizu ,  Junichiro Kinugasa ,  Kenji Saito ,  Koichi Sugimoto ,  Tomohiko Hojo

IPC分类号： C22C38/06

CPC分类号： C22C38/02 ,  C21D2211/002 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/12 ,  C22C38/14 ,  C22C38/16

摘要： The present invention provides a high strength thin steel sheet that has high hydrogen embrittlement resisting property and high workability. The high strength thin steel sheet having high hydrogen embrittlement resisting property has a metallurgical structure after stretch forming process to elongate 3% comprises: (i) 1% or more residual austenite; 80% or more in total of bainitic ferrite and martensite; and 9% or less (may be 0%) in total of ferrite and pearlite in terms of proportion of area to the entire structure, wherein the mean axis ratio (major axis/minor axis) of the residual austenite grains is 5 or higher, or (ii) 1% or more residual austenite in terms of proportion of area to the entire structure; mean axis ratio (major axis/minor axis) of the residual austenite grains is 5 or higher; mean length of minor axes of the residual austenite grains is 1 μm or less; minimum distance between the residual austenite grains is 1 μm or less; and the steel has tensile strength of 1180 MPa or higher.

摘要翻译： 本发明提供耐氢脆性高，加工性高的高强度薄钢板。 具有高耐氢脆性能的高强度薄钢板在拉伸成形过程之后具有冶金结构以延长3％，包括：（i）1％或更多的残余奥氏体; 总共为贝氏体铁素体和马氏体的80％以上; 以与面积相对于整个结构的面积的比例计算的铁素体和珠光体的总和为9％以下（可以为0％），其中残余奥氏体晶粒的平均轴比（长轴/短轴）为5以上， 或（ii）以面积与整个结构的比例计算的1％或更多的残余奥氏体; 残余奥氏体晶粒的平均轴比（长轴/短轴）为5以上; 残余奥氏体晶粒的短轴的平均长度为1μm以下; 残余奥氏体晶粒之间的最小距离为1um或更小; 钢的拉伸强度为1180MPa以上。

公开(公告)号：US20060137768A1

公开(公告)日：2006-06-29

申请号：US11317174

申请日：2005-12-27

申请人： Fumio Yuse ,  Shushi Ikeda ,  Yoichi Mukai ,  Hiroshi Akamizu ,  Junichiro Kinugasa ,  Kenji Saito ,  Koichi Sugimoto ,  Tomohiko Hojo

发明人： Fumio Yuse ,  Shushi Ikeda ,  Yoichi Mukai ,  Hiroshi Akamizu ,  Junichiro Kinugasa ,  Kenji Saito ,  Koichi Sugimoto ,  Tomohiko Hojo

IPC分类号： C22C38/06

CPC分类号： C22C38/02 ,  C21D2211/002 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/12 ,  C22C38/16

摘要： The purpose of the present invention is to provide a high strength thin steel sheet that has high hydrogen embrittlement resisting property. In order to achieve the above purpose, a high strength thin steel sheet having high hydrogen embrittlement resisting property comprises: C: 0.10 to 0.25%; Si: 1.0 to 3.0%; Mn: 1.0 to 3.5%; P: 0.15% or less; S: 0.02% or less; and Al: 1.5% or less (higher than 0%) in terms of percentage by weight, with balance of iron and inevitable impurities; and the metal structure comprises: residual austenite; 1% by area or more in proportion to the entire structure; bainitic ferrite and martensite: 80% or more in total; and ferrite and pearlite: 9% or less (may be 0%) in total, while the mean axis ratio (major axis/minor axis) of said residual austenite grains is 5 or higher, and the steel has tensile strength of 1180 MPa or higher.

摘要翻译： 本发明的目的是提供一种具有高耐氢脆性的高强度薄钢板。 为了实现上述目的，具有高耐氢脆性的高强度薄钢板包括：C：0.10〜0.25％ Si：1.0〜3.0％ Mn：1.0〜3.5％ P：0.15％以下; S：0.02％以下; 和Al：1.5重量％以下（高于0重量％），余量为铁和不可避免的杂质; 并且金属结构包括：残余奥氏体; 1％以上，占整个结构的比例; 贝氏体铁素体和马氏体总计为80％以上; 铁素体和珠光体的总和为9％以下（可以为0％），而残留奥氏体晶粒的平均轴比（长轴/短轴）为5以上，钢的拉伸强度为1180MPa， 更高。

公开(公告)号：US08597439B2

公开(公告)日：2013-12-03

申请号：US12640229

申请日：2009-12-17

申请人： Shushi Ikeda ,  Yoichi Mukai ,  Hiroshi Akamizu ,  Koichi Makii ,  Koichi Sugimoto ,  Shunichi Hashimoto ,  Kenji Saito

发明人： Shushi Ikeda ,  Yoichi Mukai ,  Hiroshi Akamizu ,  Koichi Makii ,  Koichi Sugimoto ,  Shunichi Hashimoto ,  Kenji Saito

IPC分类号： C22C38/12

CPC分类号： C22C38/02 ,  C22C38/04 ,  C22C38/12

摘要： A high-strength cold rolled steel sheet contains:0.10 to 0.28% of C,1.0 to 2.0% of Si,1.0 to 3.0% of Mn, and0.03 to 0.10% of Nb in terms of % by mass,Al is controlled to 0.5 or less, P is controlled to 0.15% or less, and S is controlled to 0.02% or less, and residual austenite accounts for 5 to 20%, bainitic ferrite accounts for 50% or more, and polygonal ferrite accounts for 30% or less (containing 0%), of the entire structure, and a mean number of residual austenite blocks is 20 or more as determined when the random area (15 μm×15 μm) is observed by EBSP (electron back scatter diffraction pattern).

摘要翻译： 高强度冷轧钢板包含：以质量％计，C：0.10〜0.28％，Si：1.0〜2.0％，Mn：1.0〜3.0％，Nb：0.03〜0.10％，Al： 以下，P为0.15％以下，S为0.02％以下，残留奥氏体为5〜20％，贝氏体铁素体为50％以上，多边形铁素体为30％以下 （含有0％），并且当通过EBSP（电子背散射衍射图）观察到随机面积（15mum×15mum））时，残留奥氏体块的平均数为20以上。

公开(公告)号：US20100092332A1

公开(公告)日：2010-04-15

申请号：US12640229

申请日：2009-12-17

申请人： Shushi IKEDA ,  Yoichi Mukai ,  Hiroshi Akamizu ,  Koichi Makii ,  Koichi Sugimoto ,  Shunichi Hashimoto ,  Kenji Saito

发明人： Shushi IKEDA ,  Yoichi Mukai ,  Hiroshi Akamizu ,  Koichi Makii ,  Koichi Sugimoto ,  Shunichi Hashimoto ,  Kenji Saito

IPC分类号： C22C38/04 ,  C22C38/12 ,  C22C38/02

CPC分类号： C22C38/02 ,  C22C38/04 ,  C22C38/12

摘要： To provide a high-strength cold rolled steel sheet that has well-balanced tensile strength and elongation as well as well-balanced tensile strength and stretch-flangeability, and a plated steel sheet manufactured by plating the steel sheet.The high-strength cold rolled steel sheet contains: 0.10 to 0.28% of C, 1.0 to 2.0% of Si, 1.0 to 3.0% of Mn, and 0.03 to 0.10% of Nb in terms of % by mass, wherein the content of Al is controlled to 0.5 or less, the content of P is controlled to 0.15% or less, and the content of S is controlled to 0.02% or less, and wherein residual austenite accounts for 5 to 20%, bainitic ferrite accounts for 50% or more, and polygonal ferrite accounts for 30% or less (containing 0%), of the entire structure, and wherein a mean number of residual austenite blocks is 20 or more as determined when the random area (15 μm×15 μm) is observed by EBSP (electron back scatter diffraction pattern).

摘要翻译： 提供具有良好的拉伸强度和伸长率以及平衡的拉伸强度和拉伸凸缘性的高强度冷轧钢板，以及通过电镀钢板而制成的镀覆钢板。 高强度冷轧钢板含有：以质量％计，C：0.10〜0.28％，Si：1.0〜2.0％，Mn：1.0〜3.0％，Nb：0.03〜0.10％ 控制在0.5以下，P的含量控制在0.15％以下，S的含量控制在0.02％以下，残留奥氏体占5〜20％，贝氏体铁素体占50％， 更多的是多边形铁素体占整个结构的30％以下（含有0％），并且其中当观察到随机区域（15μm×15μm）时确定的残余奥氏体块的平均数为20以上 通过EBSP（电子背散射衍射图）。

公开(公告)号：US20050247378A1

公开(公告)日：2005-11-10

申请号：US11110716

申请日：2005-04-21

申请人： Shushi Ikeda ,  Yoichi Mukai ,  Hiroshi Akamizu ,  Koichi Makii ,  Koichi Sugimoto ,  Shunichi Hashimoto ,  Kenji Saito

发明人： Shushi Ikeda ,  Yoichi Mukai ,  Hiroshi Akamizu ,  Koichi Makii ,  Koichi Sugimoto ,  Shunichi Hashimoto ,  Kenji Saito

IPC分类号： C21D8/02 ,  C22C38/12

CPC分类号： C22C38/02 ,  C22C38/04 ,  C22C38/12

摘要： To provide a high-strength cold rolled steel sheet that has well-balanced tensile strength and elongation as well as well-balanced tensile strength and stretch-flangeability, and a plated steel sheet manufactured by plating the steel sheet. The high-strength cold rolled steel sheet contains: 0.10 to 0.28% of C, 1.0 to 2.0% of Si, 1.0 to 3.0% of Mn, and 0.03 to 0.10% of Nb in terms of % by mass, wherein the content of Al is controlled to 0.5 or less, the content of P is controlled to 0.15% or less, and the content of S is controlled to 0.02% or less, and wherein residual austenite accounts for 5 to 20%, bainitic ferrite accounts for 50% or more, and polygonal ferrite accounts for 30% or less (containing 0%), of the entire structure, and wherein a mean number of residual austenite blocks is 20 or more as determined when the random area (15 μm×15 μμm) is observed by EBSP (electron back scatter diffraction pattern).

摘要翻译： 提供具有良好的拉伸强度和伸长率以及平衡的拉伸强度和拉伸凸缘性的高强度冷轧钢板，以及通过电镀钢板而制成的镀覆钢板。 高强度冷轧钢板含有：以质量％计，C：0.10〜0.28％，Si：1.0〜2.0％，Mn：1.0〜3.0％，Nb：0.03〜0.10％ 控制在0.5以下，P的含量控制在0.15％以下，S的含量控制在0.02％以下，残留奥氏体占5〜20％，贝氏体铁素体占50％， 更多的是多边形铁素体占整个结构的30％以下（含有0％），其中当通过EBSP观察到随机面积（15mumx15mumum）时，残留奥氏体块的平均数为20以上 （电子背散射衍射图）。

公开(公告)号：US20090277547A1

公开(公告)日：2009-11-12

申请号：US12305998

申请日：2007-07-13

申请人： Kenji Saito ,  Tomokazu Masuda ,  Masaaki Miura ,  Yoichi Mukai ,  Shushi Ikeda

发明人： Kenji Saito ,  Tomokazu Masuda ,  Masaaki Miura ,  Yoichi Mukai ,  Shushi Ikeda

IPC分类号： C21D6/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/00 ,  C22C38/12 ,  C22C38/08 ,  C22C38/16 ,  C22C38/18 ,  C22C38/14

CPC分类号： C22C38/14 ,  C21D1/25 ,  C21D6/005 ,  C21D9/46 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12

摘要： A high strength steel sheet with both excellent elongation and stretch-flanging performance is provided.The high strength steel sheet of the present invention comprises, in percent by mass, C: 0.05 to 0.3%, Si: 0.01 to 3.0%, Mn: 0.5 to 3.0%, Al: 0.01 to 0.1%, and Fe and inevitable impurities as the remainder, and has a structure mainly composed of tempered martensite and annealed bainite. The space factor of the tempered martensite is 50 to 95%, the space factor of the annealed bainite is 5 to 30%, and the mean grain size of the tempered martensite is 10 μm or smaller in terms of the equivalent of a circle diameter. The steel sheet has a tensile strength of 590 MPa or higher.The high strength steel sheet of the present invention has a space factor of the martensite phase which is a main component of the metal structure is 80% or higher; the mean grain size of the martensite phase is 10 μm or smaller in terms of the equivalent of a circle diameter; in the martensite phase, the space factor of the martensite phase having a grain size of 10 μm or larger in terms of the equivalent of a circle diameter is 15% or lower; and the space factor of the retained austenite phase in the metal structure is 3% or lower.The high strength steel sheet of the present invention is a dual phase steel sheet mainly composed of a ferrite phase and martensite, and the space factor of the ferrite phase is 5 to 30%, and the space factor of the martensite phase is 50 to 95%. Moreover, the ferrite phase is annealed martensite.

摘要翻译： 提供了具有优异伸长率和拉伸凸缘性能的高强度钢板。 本发明的高强度钢板以质量％计含有C：0.05〜0.3％，Si：0.01〜3.0％，Mn：0.5〜3.0％，Al：0.01〜0.1％，Fe和不可避免的杂质： 其余部分，主要由回火马氏体和退火贝氏体组成。 回火马氏体的空间系数为50〜95％，退火贝氏体的空间系数为5〜30％，回火马氏体的平均粒径以等于圆直径为10μm以下。 钢板的拉伸强度为590MPa以上。 本发明的高强度钢板具有作为金属组织的主要成分的马氏体相的空间系数为80％以上的特征。 相对于圆直径，马氏体相的平均粒径为10μm以下。 在马氏体相中，相对于圆直径，粒径为10μm以上的马氏体相的间隔系数为15％以下; 并且金属结构中的残余奥氏体相的空间系数为3％以下。 本发明的高强度钢板是主要由铁素体相和马氏体组成的双相钢板，铁素体相的空间系数为5〜30％，马氏体相的间隔系数为50〜95 ％。 此外，铁素体相是退火马氏体。

公开(公告)号：US09046059B2

公开(公告)日：2015-06-02

申请号：US13618101

申请日：2012-09-14

申请人： Katsuhiro Furuta ,  Hideo Matsunaga ,  Hitoshi Kamura ,  Kenji Saito

发明人： Katsuhiro Furuta ,  Hideo Matsunaga ,  Hitoshi Kamura ,  Kenji Saito

IPC分类号： F02D41/22 ,  F02M25/07 ,  B60W20/00 ,  F02D41/00 ,  B60K6/442 ,  B60K6/52 ,  B60W10/06 ,  F02D41/02

CPC分类号： F02M25/0702 ,  B60K6/442 ,  B60K6/52 ,  B60W10/06 ,  B60W20/00 ,  B60W20/50 ,  B60W2510/0604 ,  B60W2510/0671 ,  B60Y2400/442 ,  F02D41/0055 ,  F02D41/022 ,  F02D2200/0406 ,  F02M26/49 ,  Y02T10/47 ,  Y02T10/6234 ,  Y02T10/6265

摘要： An electric vehicle includes engine in which the amount of fuel supply is controlled by a throttle, a generator that produces electricity using the power of the engine, a motor outputs power to a drive shaft, an EGR system that supplies gas, exhausted from the engine, to a manifold of the engine, a clutch that switches between the transmission and the non-transmission of power from the engine to the drive shaft, a sensor that measures the change of a pressure of the manifold before and after the EGR system supplies the gas to the manifold, and ECU that performs fault detection of the EGR system using the sensor when conditions, where a series mode is selected, the degree of opening of the throttle is constant, are satisfied.

摘要翻译： 电动车辆包括其中通过节气门控制燃料供给量的发动机，使用发动机的动力产生电的发电机，电动机向驱动轴输出动力，从发动机排出的EGR的EGR系统 到发动机的歧管，离合器，其在变速器和从发动机到驱动轴的不传动动力之间切换;传感器，其测量在EGR系统供给前后的歧管的压力变化 满足歧管的气体和在选择串联模式的情况下，节气门的开度恒定的条件下，使用传感器进行EGR系统的故障检测的ECU。