利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

10 条记录 (耗时 0.009 秒)

    HIGH TENSILE HOT ROLLED STEEL SHEET AND METHOD FOR PRODUCTION THEREOF
    1.
    发明公开
    HIGH TENSILE HOT ROLLED STEEL SHEET AND METHOD FOR PRODUCTION THEREOF 审中-公开
    HCHETEST WARMGEWALZTES STAHLBLECH UND HERSTELLUNGSVERFAHRENDAFÜR

    公开(公告)号：EP1338665A4

    公开(公告)日：2005-11-23

    申请号：EP01980929

    申请日：2001-10-29

    申请人： JFE STEEL CORP

    发明人： FUNAKAWA YOSHIMASA ,  SHIOZAKI TSUYOSHI ,  TOMITA KUNIKAZU ,  SAITO TAKANOBU ,  NAKATA HIROSHI ,  SATO KAORU ,  SUWA MINORU ,  YAMAMOTO TETSUO ,  MURAO YASUHIRO ,  MAEDA EEIJI

    IPC分类号： B32B15/01 ,  C21D8/02 ,  C22C38/02 ,  C22C38/04 ,  C22C38/12 ,  C22C38/14 ,  C22C38/00 ,  C21D9/46 ,  C22C38/38

    CPC分类号： C23C2/40 ,  B32B15/013 ,  C21D8/0226 ,  C21D2211/004 ,  C21D2211/005 ,  C22C38/02 ,  C22C38/04 ,  C22C38/12 ,  C22C38/14 ,  Y10T428/12799

    摘要： The present invention relates to a high strength hot rolled steel sheet containing 0.15% or less C, 0.02 to 0.35% Ti, and 0.05 to 0.7% Mo by weight percentage and consisting essentially of a matrix of ferrite structure single phase and fine precipitates with a grain size of smaller than 10 nm dispersed in the matrix, for example, a high strength hot rolled steel sheet which consists essentially of 0.06% or less C, 0.5% or less Si, 0.5 to 2.0% Mn, 0.06% or less P, 0.005% or less S, 0.1% or less Al, 0.006% or less N, 0.02 to 0.10% Ti, 0.05 to 0.6% Mo by weight percentage, and the balance being Fe, wherein fine precipitates with a grain size of smaller than 10 nm are dispersed in a matrix of ferrite structure single phase at a number per unit volume of 5x10 /mum or higher. This steel sheet, which has tensile strength of not lower than 550 MPa, high elongation and excellent stretch flangeability, is suitable for intricately shaped automotive chassis parts such as a suspension arm.

    摘要翻译： 本发明涉及一种含有0.15％以下的C，0.02〜0.35％Ti和0.05〜0.7％Mo的高强度热轧钢板，主要由铁素体结构单相和微细析出物组成， 分散在基体中的小于10nm的晶粒尺寸，例如基本上由0.06％以下的C，0.5％以下的Si，0.5〜2.0％的Mn，0.06％以下的P组成的高强度热轧钢板， 0.005％以下的S，0.1％以下的Al，0.006％以下的N，0.02〜0.10％的Ti，0.05〜0.6％的Mo，余量为Fe，其中微细析出的晶粒尺寸小于10 nm以5×10 4 / m 3以上的单位体积数分散在铁素体结构单相的基体中。 该拉伸强度不低于550MPa，延伸率高，拉伸凸缘性优异的钢板适用于悬挂臂等复杂形状的汽车底盘部件。

    STRUCTURE COMPONENT SHAPE OPTIMIZATION ANALYSIS DEVICE
    2.
    发明公开
    STRUCTURE COMPONENT SHAPE OPTIMIZATION ANALYSIS DEVICE 审中-公开
    使用优化结构组件构成的分析装置

    公开(公告)号：EP2827263A4

    公开(公告)日：2016-01-20

    申请号：EP13761395

    申请日：2013-03-01

    申请人： JFE STEEL CORP

    发明人： SAITO TAKANOBU

    IPC分类号： G06F17/50

    CPC分类号： G06F17/50 ,  G06F17/5009 ,  G06F17/5086 ,  G06F17/5095 ,  G06F2217/08 ,  G06F2217/16

    摘要： An optimization analyzing apparatus, configured of a computer, includes: a part shape pattern setting device that divides a part of a structural body including a two-dimensional element and/or a three-dimensional element into a plurality of segments in an axis direction, changes a height or width of a cross section of each of the segments divided, and sets a part shape pattern; a rigidity analyzing device that performs plural kinds of rigidity analyses of the structural body in a state in which the part for which the part shape pattern has been set by the part shape pattern setting device is incorporated in the structural body and obtains any of rigidity, improvement rate of rigidity, and improvement rate of rigidity per increased unit weight of the structural body for each kind of the rigidity analyses; a multivariate analyzing device that performs a multivariate analysis for each kind of the rigidity analyses where any of the rigidity, the improvement rate of rigidity, and the improvement rate of rigidity per increased unit weight of the structural body that have been obtained by the rigidity analyzing device is a response variable and any of the height, the width, and a section modulus of each of the segments divided is an explanatory variable, and obtains a multiple regression coefficient, and a coefficient of determination or an adjusted R-square; a rigidity analysis selection device that selects, based on any of the coefficient of determination and the adjusted R-square, any having strong correlation from among the rigidity analyses of the plural kinds; and a cross-sectional shape determination device that determines, based on the multiple regression coefficient calculated by the multivariate analyzing device in a rigidity analysis selected by the rigidity analysis selection device, a cross-sectional shape of each of the segments divided.

    SPRINGBACK SUPPRESSION COUNTERMEASURE METHOD AND ANALYSIS DEVICE FOR PRESS-FORMED OBJECT
    6.
    发明公开
    SPRINGBACK SUPPRESSION COUNTERMEASURE METHOD AND ANALYSIS DEVICE FOR PRESS-FORMED OBJECT 审中-公开
    程序对行动打击有关新闻形状的物体后悬挂及分析方法

    公开(公告)号：EP2891529A4

    公开(公告)日：2016-01-20

    申请号：EP13832542

    申请日：2013-08-28

    申请人： JFE STEEL CORP

    发明人： SAITO TAKANOBU

    IPC分类号： B21D22/02 ,  B21D53/88 ,  G06F17/50

    CPC分类号： B21D22/02 ,  B21D53/88 ,  B62D65/00 ,  G06F17/50 ,  G06F17/5009 ,  G06F17/5018 ,  G06F2217/16 ,  G06F2217/42 ,  Y02T10/82

    摘要： A method for reducing springback in a press-formed part according to the present invention includes an analytic model forming step for forming an analytic model of the part from plane elements and/or solid elements; a stressed-state setting step for setting each of the elements of the analytic model to a stressed state that causes a springback; a rigidity-contributable-portion detecting step for performing an optimization analysis for shape on the analytic model with the elements set to the stressed state in the stressed-state setting step to detect a portion of the part that highly contributes to the rigidity thereof; and a rigidity improving step for applying a rigidity improving means to the part on a basis of the portion detected in the rigidity-contributable-portion detecting step.

    SHAPE OPTIMIZATION ANALYZING METHOD AND APPARATUS THEREFOR
    10.
    发明公开
    SHAPE OPTIMIZATION ANALYZING METHOD AND APPARATUS THEREFOR 审中-公开
    形状优化分析方法及其装置

    公开(公告)号：EP2919138A4

    公开(公告)日：2016-01-06

    申请号：EP12888094

    申请日：2012-11-06

    申请人： JFE STEEL CORP

    发明人： SAITO TAKANOBU

    IPC分类号： G06F17/50 ,  G06T17/10

    CPC分类号： G06T17/10 ,  G06F17/5018 ,  G06F17/5095 ,  G06F2217/08 ,  G06F2217/42 ,  G06T2207/10004 ,  G06T2207/30248 ,  G06T2219/2004

    摘要： A shape optimization analyzing method according to the present invention is an analysis method for optimizing part of a structure model using plane elements or three-dimensional elements. The method includes a design-space defining step of defining a portion of the structure model that is to be optimized as a design space, an optimization-block-model generating step of generating an optimization block model in the defined design space, the optimization block model being formed of three-dimensional elements and analyzed for optimization, a coupling step of coupling the generated optimization block model with the structure model, and an analyzing step of performing analysis in accordance with input of an analytic condition to calculate an optimal shape of the optimization block model.