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    Precipitation hardening martensitic stainless steel and steam turbine component made thereof
    41.
    发明公开
    Precipitation hardening martensitic stainless steel and steam turbine component made thereof 有权
    Ausscheidungshärtendermartensitischer Edelstahl und daraus hergestellte Dampfturbensenschaufelkomponente

    公开(公告)号：EP2455496A1

    公开(公告)日：2012-05-23

    申请号：EP11188417.7

    申请日：2011-11-09

    申请人： Hitachi, Ltd.

    发明人： Oikawa, Shinji ,  Yoda, Hideo ,  Arai, Masahiko ,  Doi, Hiroyuki

    IPC分类号： C21D6/00 ,  C21D6/02 ,  C21D9/00 ,  C22C38/18 ,  C22C38/40 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/52 ,  C22C38/60

    CPC分类号： C22C38/18 ,  C21D6/00 ,  C21D6/004 ,  C21D6/02 ,  C21D9/0068 ,  C21D2211/008 ,  C22C38/40 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/52 ,  C22C38/60

    摘要： It is an objective of the present invention to provide a precipitation-hardening martensitic stainless steel having well-balanced properties of high mechanical strength, high toughness and good corrosion resistance properties. There is provided a precipitation-hardening martensitic stainless steel comprising: 0.10 mass% or less of C; 13.0 to 15.0 mass% of Cr; 7.0 to 10.0 mass% of Ni; 2.0 to 3.0 mass% of Mo; 0.5 to 2.5 mass% of Ti; 0.5 to 2.5 mass% of Al; 0.5 mass% or less of Si; 0.1 to 1.0 mass% of Mn; and the balance including Fe and incidental impurities, in which the mass% content of the Ti (represented by [Ti content]), the mass% content of the Al (represented by [Al content]) and the mass% content of the C (represented by [C content]) satisfy relationships of "0.5 ≤ [Ti content] ≤ 2.5" and "0.5 ≤ [Al content] + 2[C content] ≤ 2.7".

    摘要翻译： 本发明的目的是提供具有高机械强度，高韧性和良好耐腐蚀性能的均衡性能的沉淀硬化马氏体不锈钢。 提供了一种沉淀硬化马氏体不锈钢，其包含：0.10质量％以下的C; 13.0〜15.0质量％的Cr; 7.0〜10.0质量％的Ni; 2.0〜3.0质量％的Mo; 0.5〜2.5质量％的Ti; 0.5〜2.5质量％的Al; 0.5质量％以下的Si; 0.1〜1.0质量％的Mn; 余量包括Fe和偶氮杂质，其中Ti（以[Ti含量]表示）的质量％含量，Al（由[Al含量]表示）的质量％含量和C的质量％含量 （由[C含量表示]）满足“0.5‰¤[Ti含量]‰¤2.5”和“0.5‰[Al含量] + 2 [C含量]‰¤2.7”的关系。

    HIGH-STRENGTH HOT-DIP GALVANIZED STEEL SHEET AND MANUFACTURING METHOD THEREFOR
    42.
    发明公开
    HIGH-STRENGTH HOT-DIP GALVANIZED STEEL SHEET AND MANUFACTURING METHOD THEREFOR 有权
    VCHFESTES FEUERVERZINKTES STAHLBLECH UND VERFAHREN ZU SEINER HERSTELLUNG

    公开(公告)号：EP2392683A1

    公开(公告)日：2011-12-07

    申请号：EP10735977.0

    申请日：2010-02-02

    申请人： JFE Steel Corporation

    发明人： ONO, Yoshihiko ,  TAKAHASHI, Kenji ,  OKUDA, Kaneharu ,  TAIRA, Shoichiro

    IPC分类号： C22C38/00 ,  C21D9/46 ,  C22C38/38 ,  C22C38/60 ,  C23C2/06 ,  C23C2/28

    CPC分类号： C23C2/40 ,  C21D6/00 ,  C21D9/46 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/001 ,  C22C38/002 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C22C38/14 ,  C22C38/18 ,  C22C38/22 ,  C22C38/28 ,  C22C38/32 ,  C23C2/02 ,  C23C2/06 ,  C23C2/28 ,  Y10T428/12799 ,  Y10T428/12972

    摘要： This invention provides a high strength galvanized steel sheet having a low YP, a high BH, excellent anti-aging properties, and excellent corrosion resistance without requiring the addition of a large amount of expensive elements, such as Mo or Cr, or a special CGL heat history and a method for manufacturing the same. The high strength galvanized steel sheet contains C: more than 0.015% and lower than 0.100%, Si: 0.3% or lower, Mn: lower than 1.90%, P: 0.015% or more and 0.05% or lower, S: 0.03% or lower, sol.Al: 0.01% or more and 0.5% or lower, N: 0.005% or lower, Cr: lower than 0.30%, B: 0.0003% or more and 0.005% or lower, and Ti: lower than 0.014% in terms of mass%, and satisfies 2.2 ≤ [Mneq] ≤ 3.1 and 0.42 ≤ 8[%P] + 150B* ≤ 0.73. The steel microstructure contains ferrite and a second phase, in which the second phase area ratio is 3 to 15%, the ratio of the area ratio of martensite and retained γ to the second phase area ratio is more than 70%, and 50% or more of the area ratio of the second phase exists in the grain boundary triple point.

    摘要翻译： 本发明提供一种低YP，高BH，优异的抗老化性能，优异的耐腐蚀性而不需要添加大量昂贵的元素如Mo或Cr或特殊的CGL的高强度镀锌钢板 热历史及其制造方法。 高强度镀锌钢板含有C：大于0.015％且低于0.100％，Si：0.3％以下，Mn：低于1.90％，P：0.015％以上0.05％以下，S：0.03％以下 较低，sol.Al：0.01％以上且0.5％以下，N：0.005％以下，Cr：低于0.30％，B：0.0003％以上且0.005％以下，Ti：低于0.014％ 质量百分比％，满足2.2‰[Mneq]‰3.1和0.42‰¤8 [％P] + 150B *‰¤0.73。 钢组织含有铁素体和第二相，其中第二相面积比为3〜15％，马氏体与保留³的面积比与第二相面积比的比例为70％以上，50％以上 在晶界三点存在更多的第二相面积比。

    HIGH-STRENGTH STEEL PLATE AND MANUFACTURING METHOD THEREOF
    43.
    发明公开
    HIGH-STRENGTH STEEL PLATE AND MANUFACTURING METHOD THEREOF 审中-公开
    高强度钢板及其制造方法

    公开(公告)号：EP2325346A1

    公开(公告)日：2011-05-25

    申请号：EP09813129.5

    申请日：2009-09-04

    申请人： JFE Steel Corporation

    发明人： MATSUDA, Hiroshi ,  FUNAKAWA, Yoshimasa ,  TANAKA, Yasushi

    IPC分类号： C22C38/06 ,  C22C38/60 ,  C21D9/46

    CPC分类号： C22C38/04 ,  C21D6/00 ,  C21D8/0205 ,  C21D8/04 ,  C21D9/46 ,  C21D2211/001 ,  C21D2211/002 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/001 ,  C22C38/02 ,  C22C38/06 ,  C23C2/02 ,  C23C2/28

    摘要： A high-strength steel sheet having good ductility and stretch-flangeability and having a tensile strength (TS) of 980 MPa or more is provided. The steel sheet contains 0.17%-0.73% C, 3.0% or less Si, 0.5%-3.0% Mn, 0.1% or less P, 0.07% or less S, 3.0% or less Al, and 0.010% or less N, in which Si + Al is 0.7% or more, and in which the proportion of the area of martensite is in the range of 10% to 90% with respect to all microstructures of the steel sheet, the retained austenite content is in the range of 5% to 50%, the proportion of the area of bainitic ferrite in upper bainite is 5% or more with respect to all microstructures of the steel sheet, 25% or more of the martensite is tempered martensite, the sum of the proportion of the area of martensite with respect to all microstructures of the steel sheet, the retained austenite content, and the proportion of the area of bainitic ferrite in upper bainite with respect to all microstructures of the steel sheet satisfies 65% or more, the proportion of the area of polygonal ferrite with respect to all microstructures of the steel sheet satisfies 10% or less (including 0%), and the average C content of retained austenite is 0.70% or more.

    IRON-BASED SOFT MAGNETIC ALLOY, THIN RIBBON OF AMORPHOUS ALLOY, AND MAGNETIC PART
    45.
    发明公开
    IRON-BASED SOFT MAGNETIC ALLOY, THIN RIBBON OF AMORPHOUS ALLOY, AND MAGNETIC PART 审中-公开
    软磁性合金ON铁基，薄带的非晶合金与磁性体

    公开(公告)号：EP2128292A1

    公开(公告)日：2009-12-02

    申请号：EP08721946.5

    申请日：2008-03-12

    申请人： Hitachi Metals, Ltd.

    发明人： YOSHIZAWA, Yoshihito ,  OHTA, Motoki

    IPC分类号： C22C38/00 ,  C21D6/00 ,  C22C45/02 ,  H01F1/14 ,  H01F1/153

    CPC分类号： C22C45/02 ,  C21D6/00 ,  C21D8/12 ,  C22C1/00 ,  C22C33/003 ,  C22C38/002 ,  C22C38/02 ,  C22C38/12 ,  C22C38/16 ,  H01F1/15308 ,  H01F1/15333

    摘要： An iron-based soft magnetic alloy which is for use in various transformers, various choke coils, noise suppression measures, power supply parts, laser power supplies, pulsed-power magnetic parts for accelerators, various motors, various generators, magnetic shields, antennas, sensors, etc.; a thin ribbon of an amorphous alloy for producing the magnetic alloy; and a magnetic part comprising the magnetic alloy. The magnetic alloy comprises, in terms of at.%, copper in an amount (x) satisfying 0.1 ≤ x ≤ 3, boron in an amount (y) satisfying 10 ≤ y ≤ 20, and iron and impurities as the remainder. It contains, in terms of mass%, the following impurities: up to 0.01% aluminum, 0.001-0.05% sulfur, 0.01-0.5% manganese, 0.001-0.1% nitrogen, and up to 0.1% oxygen. The magnetic alloy has a structure at least part of which comprises a crystal phase having a crystal grain diameter of 60 nm or smaller (excluding 0).

    摘要翻译： 铁基软磁性合金的所有其是用于使用在各种变压器，各种电抗器，噪音抑制措施，电源部件，激光电源，加速器用，各种电机，各种发电机，磁罩，天线脉冲功率磁性部件， 传感器等。 为生产磁性合金的非晶形合金薄带; 和磁部件，包括磁合金。 磁合金包括，在以量（X）满足的原子％，铜术语0.1‰¤X‰¤3，硼在满足10‰¤ý‰¤20，以及铁和杂质的量（y）的 剩余部分。 它包含，以质量％，以下的杂质计：至多0.01％铝，0.001-0.05％的硫，0.01-0.5％的锰，氮0.001-0.1％，和最多0.1％的氧。 磁性合金具有这样的结构的至少一部分包括具有60纳米或更小（不包括0）的晶粒直径的结晶相。