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    HIGH-STRENGTH TITANIUM ALLOY MEMBER AND PRODUCTION METHOD FOR SAME
    1.
    发明申请
    HIGH-STRENGTH TITANIUM ALLOY MEMBER AND PRODUCTION METHOD FOR SAME 审中-公开
    高强度钛合金会员及其生产方法

    公开(公告)号：US20130149183A1

    公开(公告)日：2013-06-13

    申请号：US13817087

    申请日：2011-08-15

    申请人： Yuji Araoka ,  Tohru Shiraishi ,  Yoshiki Ono

    发明人： Yuji Araoka ,  Tohru Shiraishi ,  Yoshiki Ono

    IPC分类号： C22C14/00 ,  B22F1/00

    CPC分类号： C22C14/00 ,  B22F1/004 ,  B22F1/0081 ,  B22F1/0088 ,  B22F3/14 ,  B22F3/24 ,  B22F2003/248 ,  C22C47/14 ,  C22C49/11 ,  C22F1/183 ,  C23C8/02 ,  C23C8/24 ,  C23C8/80

    摘要： A production method for a titanium alloy member includes preparing a titanium alloy material for sintering as a raw material of a sintered body; nitriding the titanium alloy material for sintering, thereby forming a nitrogen compound layer and/or a nitrogen solid solution layer in a surface layer of the titanium alloy material for sintering and yielding a nitrogen-containing titanium alloy material for sintering; mixing the titanium alloy material for sintering and the nitrogen-containing titanium alloy material for sintering, thereby yielding a titanium alloy material for sintering mixed with nitrogen-containing titanium alloy material; sintering the titanium alloy material for sintering mixed with nitrogen-containing titanium alloy material, thereby bonding the material each other and dispersing nitrogen contained in the nitrogen-containing titanium alloy material for sintering in a condition in which nitrogen is uniformly dispersed into an entire inner portion of the sintered body by solid solution.

    摘要翻译： 钛合金构件的制造方法包括制备用于烧结的钛合金材料作为烧结体的原料; 对用于烧结的钛合金材料进行氮化，从而在用于烧结的钛合金材料的表面层中形成氮化合物层和/或氮固溶体层，并产生用于烧结的含氮钛合金材料; 混合用于烧结的钛合金材料和用于烧结的含氮钛合金材料，从而产生用含氮钛合金材料混合的烧结钛合金材料; 烧结用于与含氮钛合金材料混合的钛合金材料，从而将材料彼此粘合并将氮气均匀分散在氮气均匀分散的条件中分散在整个内部的状态下分散在用于烧结的含氮钛合金材料中的氮 的固体溶液。

    High-strength titanium alloy member and production method for same
    2.
    发明授权
    High-strength titanium alloy member and production method for same 有权

    公开(公告)号：US10151019B2

    公开(公告)日：2018-12-11

    申请号：US13817087

    申请日：2011-08-15

    申请人： Yuji Araoka ,  Tohru Shiraishi ,  Yoshiki Ono

    发明人： Yuji Araoka ,  Tohru Shiraishi ,  Yoshiki Ono

    IPC分类号： B22F1/00 ,  B22F3/14 ,  B22F3/24 ,  C22F1/18 ,  C23C8/02 ,  C23C8/24 ,  C23C8/80 ,  C22C14/00 ,  C22C47/14 ,  C22C49/11

    摘要： A production method for a titanium alloy member includes preparing a titanium alloy material for sintering as a raw material of a sintered body; nitriding the titanium alloy material for sintering, thereby forming a nitrogen compound layer and/or a nitrogen solid solution layer in a surface layer of the titanium alloy material for sintering and yielding a nitrogen-containing titanium alloy material for sintering; mixing the titanium alloy material for sintering and the nitrogen-containing titanium alloy material for sintering, thereby yielding a titanium alloy material for sintering mixed with nitrogen-containing titanium alloy material; sintering the titanium alloy material for sintering mixed with nitrogen-containing titanium alloy material, thereby bonding the material each other and dispersing nitrogen contained in the nitrogen-containing titanium alloy material for sintering in a condition in which nitrogen is uniformly dispersed into an entire inner portion of the sintered body by solid solution.

    Titanium alloy member and production method therefor
    3.
    发明授权
    Titanium alloy member and production method therefor 有权

    公开(公告)号：US10350681B2

    公开(公告)日：2019-07-16

    申请号：US14124058

    申请日：2012-04-27

    申请人： Tohru Shiraishi ,  Yoshiki Ono ,  Yuji Araoka

    发明人： Tohru Shiraishi ,  Yoshiki Ono ,  Yuji Araoka

    IPC分类号： B22F1/00 ,  B22F3/10 ,  B22F3/14 ,  B22F3/15 ,  B22F3/24 ,  C22C1/04 ,  C22F1/18 ,  C23C8/80 ,  A61L27/06 ,  B22F3/105 ,  C22C14/00 ,  C23C26/00

    摘要： A high strength titanium alloy member with superior fatigue resistance, and a production method therefor, are provided. The production method includes preparing a raw material made of titanium alloy, nitriding the raw material to form a nitrogen-containing raw material by generating a nitrogen compound layer and/or a nitrogen solid solution layer in a surface layer of the raw material, mixing the raw material and the nitrogen-containing raw material to yield a nitrogen-containing mixed material, sintering the nitrogen-containing mixed material to obtain a sintered titanium alloy member by bonding the material together and uniformly diffusing nitrogen in solid solution from the nitrogen-containing raw material to the entire interior portion of the sintered titanium alloy member, hot plastic forming and/or heat treating the sintered titanium alloy member to obtain a processed member, and surface treating the processed member to provide compressive residual stress.

    TITANIUM ALLOY MEMBER AND PRODUCTION METHOD THEREFOR
    4.
    发明申请
    TITANIUM ALLOY MEMBER AND PRODUCTION METHOD THEREFOR 审中-公开
    钛合金会员及其生产方法

    公开(公告)号：US20140212319A1

    公开(公告)日：2014-07-31

    申请号：US14124058

    申请日：2012-04-27

    申请人： Tohru Shiraishi ,  Yoshiki Ono ,  Yuji Araoka

    发明人： Tohru Shiraishi ,  Yoshiki Ono ,  Yuji Araoka

    IPC分类号： B22F1/00 ,  C22C14/00 ,  B22F3/24

    CPC分类号： B22F1/0081 ,  A61L27/06 ,  B22F3/24 ,  B22F2998/10 ,  C22C1/0458 ,  C22C14/00 ,  C22F1/183 ,  C23C8/80 ,  C23C26/00 ,  B22F1/0088 ,  B22F1/0003 ,  B22F3/10 ,  B22F3/14 ,  B22F3/15 ,  B22F3/105

    摘要： A high strength titanium alloy member with superior fatigue resistance, and a production method therefor, are provided. The production method includes preparing a raw material made of titanium alloy, nitriding the raw material to form a nitrogen-containing raw material by generating a nitrogen compound layer and/or a nitrogen solid solution layer in a surface layer of the raw material, mixing the raw material and the nitrogen-containing raw material to yield a nitrogen-containing mixed material, sintering the nitrogen-containing mixed material to obtain a sintered titanium alloy member by bonding the material together and uniformly diffusing nitrogen in solid solution from the nitrogen-containing raw material to the entire interior portion of the sintered titanium alloy member, hot plastic forming and/or heat treating the sintered titanium alloy member to obtain a processed member, and surface treating the processed member to provide compressive residual stress.

    摘要翻译： 提供了具有优异的耐疲劳性的高强度钛合金构件及其制造方法。 制造方法包括：制备钛合金原料，通过在原料的表面层中产生氮化合物层和/或氮固溶体层，将原料渗氮以形成含氮原料，将 原料和含氮原料混合，得到含氮混合材料，烧结含氮混合材料，通过将该材料粘合在一起并将固氮中的氮均匀地从含氮原料 材料到烧结钛合金构件的整个内部，热塑性成形和/或热处理烧结的钛合金构件以获得加工构件，并对加工构件进行表面处理以提供压缩残余应力。

    TITANIUM ALLOY MEMBER AND PRODUCTION METHOD THEREFOR
    6.
    发明申请
    TITANIUM ALLOY MEMBER AND PRODUCTION METHOD THEREFOR 有权
    钛合金会员及其生产方法

    公开(公告)号：US20140112819A1

    公开(公告)日：2014-04-24

    申请号：US14123620

    申请日：2012-04-27

    申请人： Tohru Shiraishi ,  Yoshiki Ono ,  Yuji Araoka

    发明人： Tohru Shiraishi ,  Yoshiki Ono ,  Yuji Araoka

    IPC分类号： C22C14/00 ,  B22F3/10

    CPC分类号： C22C14/00 ,  A61L27/06 ,  B22F1/0088 ,  B22F3/03 ,  B22F3/10 ,  B22F3/14 ,  B22F2003/208 ,  B22F2998/10 ,  B22F2999/00 ,  C22C1/0458 ,  C22F1/183 ,  C23C8/24 ,  C23C8/80 ,  B22F2201/02 ,  B22F9/06 ,  B22F1/004 ,  B22F2201/20 ,  B22F1/0003 ,  B22F3/15 ,  B22F3/105 ,  B22F3/20

    摘要： A titanium alloy member with high strength and high proof stress not only in the surface but also inside, using a general and inexpensive α-β type titanium alloy, and a production method therefor, are provided. The production method includes preparing a raw material made of titanium alloy, nitriding the raw material to form a nitrogen-containing raw material by generating a nitrogen compound layer and/or a nitrogen solid solution layer in a surface layer of the raw material, mixing the raw material and the nitrogen-containing raw material to yield a nitrogen-containing mixed material, sintering the nitrogen-containing mixed material to obtain a sintered titanium alloy member by bonding the material together and uniformly diffusing nitrogen in solid solution from the nitrogen-containing raw material to the entire interior portion of the sintered titanium alloy member, and hot plastic forming the sintered titanium alloy member.

    摘要翻译： 一种钛合金元件，不仅在表面而且内部具有高强度和高的应力应变，而且具有普遍和便宜的α- 型钛合金及其制造方法。 制造方法包括：制备钛合金原料，通过在原料的表面层中产生氮化合物层和/或氮固溶体层，将原料渗氮以形成含氮原料，将 原料和含氮原料混合，得到含氮混合材料，烧结含氮混合材料，通过将该材料粘合在一起并将固氮中的氮均匀地从含氮原料 材料到钛烧结合金构件的整个内部，以及形成烧结钛合金构件的热塑性材料。

    COMPRESSION COIL SPRING AND METHOD FOR PRODUCING SAME
    8.
    发明申请
    COMPRESSION COIL SPRING AND METHOD FOR PRODUCING SAME 审中-公开
    压缩线圈弹簧及其制造方法

    公开(公告)号：US20140306389A1

    公开(公告)日：2014-10-16

    申请号：US14238293

    申请日：2012-07-26

    申请人： Kazuya Ikai ,  Tohru Shiraishi ,  Yuichiro Ono ,  Yoshiki Ono

    发明人： Kazuya Ikai ,  Tohru Shiraishi ,  Yuichiro Ono ,  Yoshiki Ono

    IPC分类号： F16F1/02 ,  C21D9/02 ,  F16F1/06

    CPC分类号： F16F1/021 ,  B21F35/00 ,  B24C1/10 ,  C21D7/06 ,  C21D8/065 ,  C21D9/02 ,  C21D2211/008 ,  C22C38/02 ,  C22C38/04 ,  C22C38/18 ,  C22C38/24 ,  C22C38/34 ,  C22C38/46 ,  F16F1/06

    摘要： A compression coil spring having high durability can be provided by using an inexpensive wire material. The present invention provides a compression coil spring formed by using a steel wire material, the steel wire material made of C: 0.45 to 0.85 mass %, Si: 0.15 to 2.5 mass %, Mn: 0.3 to 1.0 mass %, Fe and inevitable impurities as a remainder, and a circle-equivalent diameter of 1.5 to 9.0 mm, wherein hardness of a freely selected cross-section of the wire material is 570 to 700 HV, and at an inner diameter side of the coil spring, unloaded compressive residual stress at a depth of 0.2 mm from a surface in an approximate maximal main stress direction in a case in which compressive load is loaded on the spring is 200 MPa or more, and unloaded compressive residual stress at a depth of 0.4 mm from surface is 100 MPa or more.

    摘要翻译： 通过使用廉价的线材可以提供具有高耐久性的压缩螺旋弹簧。 本发明提供一种通过使用钢丝材料形成的压缩螺旋弹簧，由C：0.45〜0.85质量％，Si：0.15〜2.5质量％，Mn：0.3〜1.0质量％的钢丝材料，Fe和不可避免的杂质 作为剩余部分，圆当量直径为1.5〜9.0mm，其中线材自由选择的横截面的硬度为570〜700HV，在螺旋弹簧的内径侧，无负荷的压缩残余应力 在弹簧上施加压缩载荷的情况下，在大致最大主应力方向的表面的深度为0.2mm处，距离表面0.4mm深度的无载荷压缩残余应力为100MPa 或者更多。

    NANOCRYSTAL-CONTAINING TITANIUM ALLOY AND PRODUCTION METHOD THEREFOR
    10.
    发明申请
    NANOCRYSTAL-CONTAINING TITANIUM ALLOY AND PRODUCTION METHOD THEREFOR 有权
    含纳米钛合金及其生产方法

    公开(公告)号：US20130284325A1

    公开(公告)日：2013-10-31

    申请号：US13988123

    申请日：2011-11-22

    申请人： Sang-Hak Lee ,  Yoshiki Ono ,  Hiroaki Matsumoto ,  Akihiko Chiba

    发明人： Sang-Hak Lee ,  Yoshiki Ono ,  Hiroaki Matsumoto ,  Akihiko Chiba

    IPC分类号： C22F1/18 ,  C22C14/00

    CPC分类号： C22F1/183 ,  C22C14/00 ,  C22F1/00

    摘要： An alloy having an α′ martensite which is a processing starting structure is hot worked. The alloy is heated at a temperature increase rate of 50 to 800° C./sec, and strain is given at not less than 0.5 by a processing strain rate of from 0.01 to 10/sec in a case of a temperature range of 700 to 800° C., or by a processing strain rate of 0.1 to 10/sec in a case of a temperature range of 800° C. to 1000° C. By generating equiaxial crystals having average crystal particle diameters of less than 1000 nm through the above processes, a titanium alloy having high strength and high fatigue resistant property can be obtained, in which hardness is less than 400 HV, tensile strength is not less than 1200 MPa, and static strength and dynamic strength are superior.

    摘要翻译： 具有作为加工起始结构的α'马氏体的合金被热加工。 以50〜800℃/秒的升温速度加热合金，在700〜700℃的温度范围内，通过0.01〜10 /秒的加工变形速度，使应变为0.5以上 800℃，或者在800〜1000℃的温度范围内，通过加工应变速度为0.1〜10 /秒。通过生成平均结晶粒径小于1000nm的等轴晶体，通过 可以得到硬度小于400HV，拉伸强度不小于1200MPa，静态强度和动态强度优异的高强度，高耐疲劳性的钛合金。