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    • 2. 发明专利
    • High strength steel sheet having excellent delayed fracture resistance and method for producing the same
    • 具有优异延迟耐断裂性的高强度钢板及其制造方法
    • JP2014019926A
    • 2014-02-03
    • JP2012161798
    • 2012-07-20
    • Kobe Steel Ltd株式会社神戸製鋼所
    • OTOMO RYOSUKENAGAO MAMORU
    • C22C38/00C21D1/18C21D1/70C21D1/76C21D9/46C22C38/06C22C38/58
    • PROBLEM TO BE SOLVED: To provide a high strength steel sheet having delayed fracture resistance more excellent than that of the conventional steel sheet.SOLUTION: Regarding the high strength steel sheet having excellent delayed fracture resistance, in a chemical componential composition, C, Si, Mn, Al, P, S and N satisfy prescribed ranges, and the balance iron with inevitable impurities, and, the total of martensite and carbides occupied in the total structure is 95 area% or higher, also, in a structure to the position of the depth of 1/4 of the sheet thickness from the position of the depth of 10 μm to the sheet thickness direction from the surface of the steel sheet, old austenite grain diameter (Dγ) is 20 μm or lower and the area ratio occupied by carbides (Q value) satisfies 3.0% or lower (wherein, Q value=0% is not included), and, further, its tensile strength is 1,180 MPa or higher to 1,370 MPa or lower.
    • 要解决的问题:提供具有比常规钢板更优异的延迟断裂性的高强度钢板。解决方案:对于具有优异的耐延迟断裂性的高强度钢板,在化学组成成分中,C,Si, Mn,Al,P,S和N满足规定范围,余量铁与不可避免的杂质,总结构中所占的马氏体和碳化物的总和为95面积%以上, 从钢板表面的深度10μm到板厚方向的位置的1/4厚度的旧奥氏体晶粒直径(Dγ)为20μm以下,面积比由 碳化物(Q值)满足3.0%以下(其中,不包含Q值= 0%),另外,其拉伸强度为1180MPa以上至1370MPa以下。
    • 6. 发明专利
    • SPUTTERING TARGET OF Al-BASE ALLOY
    • 铝合金的溅射目标
    • JP2011179054A
    • 2011-09-15
    • JP2010043073
    • 2010-02-26
    • Kobe Steel LtdKobelco Kaken:Kk株式会社コベルコ科研株式会社神戸製鋼所
    • IWASAKI YUKIMATSUMOTO KATSUSHITAKAGI TOSHIAKINAGAO MAMORUMAKINO HIDETADA
    • C23C14/34C22C21/00
    • C23C14/3414C22C21/00
    • PROBLEM TO BE SOLVED: To provide a technology which can suppress the occurrence of splash even though a film is formed at high speed, when having used a sputtering target of an Al-base alloy. SOLUTION: When crystal orientations of , , , and in a normal line direction with respect to each face to be sputtered of a surface layer part, 1/4×t part and 1/2×t part of the sputtering target of the Ni-rare earth element-Al-base alloy have been observed, the sputtering target satisfies the following conditions (1) and (2): (1) when R is defined as the total area rate of ±15°, ±15° and ±15°, R is 0.35 or more but 0.8 or less, and (2) R a , R b and R c are in the range of ±20% of an R average value [R ave =(R a +R b +R c )/3]. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供即使使用Al基合金的溅射靶,即使在高速形成膜时也能够抑制飞溅的发生的技术。 &lt; P&gt;解决方案:当相对于要溅射的表面层部分的每个面在法线方向上<001>,<011>,<111>,012和112的晶体取向时,1/4 已经观察到Ni-稀土元素-Al-基合金的溅射靶的×t部分和1/2×t部分,溅射靶满足以下条件(1)和(2):(1)当R 定义为总面积率<001>±15°,<011>±15°和<112>±15°,R为0.35以上至0.8以下,(2)R SB> R&lt; SB&gt; b&lt; / SB&gt;和R SB之间的平均值在R平均值的±20%的范围内[R SB = a >一 + R b'/ SB> + R C )/ 3]。 版权所有(C)2011,JPO&INPIT