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1. 发明授权

US09822431B2 β-type titanium alloy 有权
公开(公告)号：US09822431B2
公开(公告)日：2017-11-21
申请号：US13358483
申请日：2012-01-25
申请人： Kazuhiro Takahashi , Hideki Fujii , Kenichi Mori
发明人： Kazuhiro Takahashi , Hideki Fujii , Kenichi Mori
IPC分类号： C22C14/00 , C22F1/18 , C22F1/00
CPC分类号： C22C14/00 , C22F1/00 , C22F1/18
摘要： The present invention provides a β-type titanium alloy that includes, by mass %, when Al: 2 to 5%, 1) Fe: 2 to 4%, Cr: 6.2 to 11%, and V: 4 to 10%, 2) Fe: 2 to 4%, Cr: 5 to 11%, and Mo: 4 to 10%, or 3) Fe: 2 to 4%, Cr: 5.5 to 11%, and Mo+V (total of Mo and V): 4 to 10% in range, and a balance of substantially Ti. These include Zr added in amounts of 1 to 4 mass %. Furthermore, by making the oxygen equivalent Q 0.15 to 0.30 or leaving the alloy in the work hardened state or by applying both, the tensile strength before aging heat treatment can be further increased.

2. 发明授权

US08709178B2 Titanium material for hot rolling and method of producing the same 有权
标题翻译：用于热轧的钛材料及其制造方法
公开(公告)号：US08709178B2
公开(公告)日：2014-04-29
申请号：US13138358
申请日：2010-02-08
申请人： Kazuhiro Takahashi , Tomonori Kunieda , Kenichi Mori , Hiroaki Otsuka , Hideki Fujii , Yoshimasa Miyazaki , Takashi Oda , Hisamune Tanaka , Osamu Tada , Norio Yamamoto
发明人： Kazuhiro Takahashi , Tomonori Kunieda , Kenichi Mori , Hiroaki Otsuka , Hideki Fujii , Yoshimasa Miyazaki , Takashi Oda , Hisamune Tanaka , Osamu Tada , Norio Yamamoto
IPC分类号： C22C14/00
CPC分类号： B21B3/00 , B21B1/02 , B24B39/026 , Y10T428/12201
摘要： The present invention provides a titanium material for hot rolling which enables reduction of defects on the surface (in the case of a flat material or strip coil, including not only the flat surfaces but also the side surfaces and edges) due to hot rolling. The titanium material for hot rolling has dimples imparted by cold plastic deformation whose mean value of the heights (Wc) of the undulation profile elements is 0.2 to 1.5 mm and mean value of the lengths (WSm) thereof is 3 to 15 mm. The invention also provides a method of producing the titanium material and a method of hot rolling the titanium material.
摘要翻译：本发明提供一种用于热轧的钛材料，其能够减少由于热轧而导致的表面上的缺陷（在扁平材料或带状线圈的情况下，不仅包括平坦表面，而且包括侧面和边缘）。用于热轧的钛材料具有通过冷塑性变形赋予的凹坑，其波动形状元件的高度（Wc）的平均值为0.2至1.5mm，并且其长度（WSm）的平均值为3至15mm。本发明还提供一种钛材料的制造方法和钛材料的热轧方法。

3. 发明授权

US09816158B2 β-type titanium alloy 有权
公开(公告)号：US09816158B2
公开(公告)日：2017-11-14
申请号：US12447402
申请日：2007-10-24
申请人： Kazuhiro Takahashi , Hideki Fujii , Kenichi Mori
发明人： Kazuhiro Takahashi , Hideki Fujii , Kenichi Mori
IPC分类号： C22C14/00 , C22F1/18 , C22F1/00
CPC分类号： C22C14/00 , C22F1/00 , C22F1/18
摘要： The present invention provides a β-type titanium alloy keeping the content of the relatively expensive β-stabilizing elements such as V or Mo down to a total of 10 mass % or less and reducing the effects of composition segregation of Fe and Cr and thereby able to keep the Young's modulus and density relatively low. The β-type titanium alloy of the present invention comprises, by mass %, when Al: 2 to 5%, 1) Fe: 2 to 4%, Cr: 6.2 to 11%, and V: 4 to 10%, 2) Fe: 2 to 4%, Cr: 5 to 11%, and Mo: 4 to 10%, or 3) Fe: 2 to 4%, Cr: 5.5 to 11%, and Mo+V (total of Mo and V): 4 to 10% in range, and a balance of substantially Ti. These include Zr added in amounts of 1 to 4 mass %. Furthermore, by making the oxygen equivalent Q 0.15 to 0.30 or leaving the alloy in the work hardened state or by applying both, the tensile strength before aging heat treatment can be further increased. Due to this, it is possible to obtain the required strength even if the amount of precipitation of the α phase with the high Young's modulus is small.

4. 发明申请

US20110311835A1 TITANIUM SLAB FOR HOT ROLLING, AND METHOD OF PRODUCING AND METHOD OF ROLLING THE SAME 有权
标题翻译：用于热轧的钛板及其制造方法及其滚压方法
公开(公告)号：US20110311835A1
公开(公告)日：2011-12-22
申请号：US13148395
申请日：2010-02-08
申请人： Kazuhiro Takahashi , Tomonori Kunieda , Kenichi Mori , Hiroaki Otsuka , Hideki Fujii , Yoshihiro Fujii , Yoshimasa Miyazaki , Takashi Oda , Hisamune Tanaka , Osamu Tada
发明人： Kazuhiro Takahashi , Tomonori Kunieda , Kenichi Mori , Hiroaki Otsuka , Hideki Fujii , Yoshihiro Fujii , Yoshimasa Miyazaki , Takashi Oda , Hisamune Tanaka , Osamu Tada
IPC分类号： B22D7/00 , B22D25/02 , B21B1/02
CPC分类号： C22B34/1295 , B22D11/00 , B22D11/041 , B22D11/115 , B22D21/005 , C22C14/00 , C22F1/183 , Y10T428/12229
摘要： The present invention provides a titanium slab for hot rolling which can be fed into a general purpose hot-rolling mill for producing strip coil, without passage through a breakdown process such as blooming or a straightening process, and can further suppress surface defect occurrence of the hot-rolled strip coil, and a method of producing and a method of rolling the same, characterized in that in the cast titanium slab an angle θ formed by the crystal growth direction (solidification direction) from the surface layer toward the interior and a direction parallel to the slab casting direction (longitudinal direction) is 45 to 90°, and moreover, there is a surface layer structure of 10 mm or greater whose θ is 70 to 90°, and further characterized in that a crystal grain layer of 10 mm or greater is formed whose C-axis direction inclination of a titanium a phase is, as viewed from the side of the slab to be hot rolled, in the range of 35 to 90° from the normal direction of the surface to be hot rolled. The titanium slab concerned is produced using an electron beam melting furnace by casting at an extraction rate of 1.0 cm/min or greater.
摘要翻译：本发明提供一种用于热轧的钛板坯，其可以被供给到用于生产带状线圈的通用热轧机中，而不通过诸如起霜或矫直工艺的击穿工艺，并且可以进一步抑制热轧带钢卷料及其制造方法及其轧制方法，其特征在于，在铸钛板坯中具有角度和角度; 由表面层朝向内部的晶体生长方向（凝固方向）和与板坯铸造方向（长度方向）平行的方向形成为45〜90°，另外，表面层结构为10mm以上他们的为70〜90°，进一步的特征在于，形成10mm以上的晶粒层，其中从相对于待热轧的板坯的侧面观察钛a相的C轴方向倾斜为从要热轧的表面的法线方向的35至90°的范围。使用电子束熔融炉，以1.0cm / min以上的萃取率进行铸造，制造有关的钛板坯。

5. 发明申请

US20100074795A1 Beta-TYPE TITANIUM ALLOY 有权
标题翻译： β型钛合金
公开(公告)号：US20100074795A1
公开(公告)日：2010-03-25
申请号：US12447402
申请日：2007-10-24
申请人： Kazuhiro Takahashi , Hideki Fujii , Kenichi Mori
发明人： Kazuhiro Takahashi , Hideki Fujii , Kenichi Mori
IPC分类号： C22C14/00
CPC分类号： C22C14/00 , C22F1/00 , C22F1/18
摘要： The present invention provides a β-type titanium alloy keeping the content of the relatively expensive β-stabilizing elements such as V or Mo down to a total of 10 mass % or less and reducing the effects of composition segregation of Fe and Cr and thereby able to keep the Young's modulus and density relatively low. The β-type titanium alloy of the present invention comprises, by mass %, when Al: 2 to 5%, 1) Fe: 2 to 4%, Cr: 6.2 to 11%, and V: 4 to 10%, 2) Fe: 2 to 4%, Cr: 5 to 11%, and Mo: 4 to 10%, or 3) Fe: 2 to 4%, Cr: 5.5 to 11%, and Mo+V (total of Mo and V): 4 to 10% in range, and a balance of substantially Ti. These include Zr added in amounts of 1 to 4 mass %. Furthermore, by making the oxygen equivalent Q 0.15 to 0.30 or leaving the alloy in the work hardened state or by applying both, the tensile strength before aging heat treatment can be further increased. Due to this, it is possible to obtain the required strength even if the amount of precipitation of the α phase with the high Young's modulus is small.
摘要翻译：本发明提供了一种将相对昂贵的稳定元素如V或Mo的含量保持在总共10质量％或更低的一种类型的钛合金，并降低了Fe和Cr的组分偏析的影响，从而能够使杨氏模量和密度相对较低。当Al：2〜5％，1）Fe：2〜4％，Cr：6.2〜11％，V：4〜10％时，本发明的＆lt; bgr-型钛合金以质量％计，）Fe：2〜4％，Cr：5〜11％，Mo：4〜10％，或3）Fe：2〜4％，Cr：5.5〜11％，Mo + V（Mo和V ）：范围为4〜10％，余量基本为Ti。这些包括添加量为1〜4质量％的Zr。此外，通过使氧当量Q为0.15〜0.30，或使合金处于加工硬化状态，或通过施加两者，可以进一步提高时效热处理前的拉伸强度。由此，即使具有高杨氏模量的α相的析出量小，也可以获得所需的强度。

6. 发明授权

US09719154B2 Titanium slab for hot rolling, and method of producing and method of rolling the same 有权
公开(公告)号：US09719154B2
公开(公告)日：2017-08-01
申请号：US13148395
申请日：2010-02-08
申请人： Kazuhiro Takahashi , Tomonori Kunieda , Kenichi Mori , Hiroaki Otsuka , Hideki Fujii , Yoshihiro Fujii , Yoshimasa Miyazaki , Takashi Oda , Hisamune Tanaka , Osamu Tada
发明人： Kazuhiro Takahashi , Tomonori Kunieda , Kenichi Mori , Hiroaki Otsuka , Hideki Fujii , Yoshihiro Fujii , Yoshimasa Miyazaki , Takashi Oda , Hisamune Tanaka , Osamu Tada
IPC分类号： C22C14/00 , B22D21/00 , B22D11/041 , C22F1/18 , C22B34/12 , B22D11/00 , B22D11/115
CPC分类号： C22B34/1295 , B22D11/00 , B22D11/041 , B22D11/115 , B22D21/005 , C22C14/00 , C22F1/183 , Y10T428/12229
摘要： The present invention provides a titanium slab for hot rolling which can be fed into a general purpose hot-rolling mill for producing strip coil, without passage through a breakdown process such as blooming or a straightening process, and can further suppress surface defect occurrence of the hot-rolled strip coil, and a method of producing and a method of rolling the same, characterized in that in the cast titanium slab an angle θ formed by the crystal growth direction (solidification direction) from the surface layer toward the interior and a direction parallel to the slab casting direction (longitudinal direction) is 45 to 90°, and moreover, there is a surface layer structure of 10 mm or greater whose θ is 70 to 90°, and further characterized in that a crystal grain layer of 10 mm or greater is formed whose C-axis direction inclination of a titanium α phase is, as viewed from the side of the slab to be hot rolled, in the range of 35 to 90° from the normal direction of the surface to be hot rolled. The titanium slab concerned is produced using an electron beam melting furnace by casting at an extraction rate of 1.0 cm/min or greater.

7. 发明申请

US20110318597A1 Titanium Material for Hot Rolling and Method of Producing the Same 有权
标题翻译：用于热轧的钛材料及其制造方法
公开(公告)号：US20110318597A1
公开(公告)日：2011-12-29
申请号：US13138358
申请日：2010-02-08
申请人： Kazuhiro Takahashi , Tomonori Kunieda , Kenichi Mori , Hiroaki Otsuka , Hideki Fujii , Yoshimasa Miyazaki , Takashi Oda , Hisamune Tanaka , Osamu Tada , Norio Yamamoto
发明人： Kazuhiro Takahashi , Tomonori Kunieda , Kenichi Mori , Hiroaki Otsuka , Hideki Fujii , Yoshimasa Miyazaki , Takashi Oda , Hisamune Tanaka , Osamu Tada , Norio Yamamoto
IPC分类号： B32B3/30 , B21D31/00 , B21B27/06 , B32B15/00
CPC分类号： B21B3/00 , B21B1/02 , B24B39/026 , Y10T428/12201
摘要： The present invention provides a titanium material for hot rolling that enables reduction of defects occurring on the surface (in the case of a flat material or strip coil, including not only the flat surfaces but also the side surfaces and edges) owing to the hot rolling, and a method of producing the same, particularly to a titanium material for hot rolling enabling omission of an ingot breakdown process, and a method of producing the same, characterized in that it is a titanium material for hot rolling having dimples imparted by cold plastic deformation whose mean value of the heights (Wc) of the undulation profile elements is 0.2 to 1.5 mm and mean value of the lengths (WSm) thereof is 3 to 15 mm, and makes it possible to minimize surface defects occurring in hot rolling even if a process for breaking down the ingot is omitted. The dimples are formed by plastically deforming the surface of the titanium under cold condition using a steel tool having a tip shape of a radius of curvature of 3 to 30 mm or a steel sphere of a radius of 3 to 30 mm.
摘要翻译：本发明提供一种用于热轧的钛材料，其能够减少由于热轧而在表面上发生的缺陷（在扁平材料或带状线圈的情况下，不仅包括平坦表面，而且包括侧面和边缘）及其制造方法，特别是涉及能够省略锭分解工艺的热轧用钛材及其制造方法，其特征在于，它是用于热轧的钛材料，其具有由冷塑料赋予的凹坑波纹形状元件的高度（Wc）的平均值为0.2〜1.5mm，长度（WSm）的平均值为3〜15mm的变形，即使在热轧时发生的表面缺陷也能够最小化忽略了分解锭的过程。凹坑通过使用具有3至30mm的曲率半径的尖端形状的钢制工具或半径为3至30mm的钢球而在冷态下使钛的表面发生塑性变形而形成。

8. 发明申请

US20140027024A1 TITANIUM SLAB FOR HOT ROLLING USE AND METHOD OF PRODUCTION OF SAME 审中-公开
标题翻译：用于热轧使用的钛板及其制造方法
公开(公告)号：US20140027024A1
公开(公告)日：2014-01-30
申请号：US14009837
申请日：2012-04-19
申请人： Yoshitsugu Tatsuzawa , Hideki Fujii , Tomonori Kunieda , Kazuhiro Takahashi
发明人： Yoshitsugu Tatsuzawa , Hideki Fujii , Tomonori Kunieda , Kazuhiro Takahashi
IPC分类号： C22F1/18 , C22C14/00
CPC分类号： C22F1/183 , B22D7/005 , B22D11/001 , B22D21/005 , B22D30/00 , C22C14/00
摘要： A titanium slab for hot rolling comprised of a titanium slab obtain by smelting commercially pure titanium, wherein even if the breakdown process is omitted, the strip shaped coil after hot rolling is excellent in surface properties and a method of smelting that titanium slab are provided. The titanium slab according to the present invention is a titanium slab for hot rolling obtained by smelting commercially pure titanium including the β phase stabilizing element Fe, wherein the formation of coarse β phases is suppressed by making the average Fe concentration down to 10 mm from the surface layer of the surface which corresponds to at least the rolling surface of the titanium slab 0.01 mass % or less. A titanium slab obtained by smelting commercially pure titanium can be obtained by cooling until the surface becomes the β transformation point or less, then reheating it to the β transformation point or more, and gradually cooling from the slab surface layer.
摘要翻译：用于热轧的钛板，由通过熔融商业纯钛获得的钛板获得，其中即使省略击穿工艺，热轧后的带状线圈表面性能也优异，并且提供了钛板坯的熔炼方法。根据本发明的钛板是用于通过熔融包括β相稳定化元素Fe的商业上纯钛得到的用于热轧的钛板，其中通过使平均Fe浓度从平均Fe浓度降低到10mm来抑制粗β相的形成对应于钛板的至少轧制面的表面的表层为0.01质量％以下。通过冷却直到表面成为β相变点以下，然后再加热至β相变点以上，并从板坯表面层逐渐冷却，可以获得通过熔融商业纯钛获得的钛板。

9. 发明申请

US20150064055A1 TITANIUM ALLOY FOR GOLF CLUB FACE 审中-公开
标题翻译：钛合金高尔夫俱乐部面
公开(公告)号：US20150064055A1
公开(公告)日：2015-03-05
申请号：US14380386
申请日：2012-02-24
申请人： Akira Kawakami , Kazuhiro Takahashi , Hideki Fujii
发明人： Akira Kawakami , Kazuhiro Takahashi , Hideki Fujii
IPC分类号： C22C14/00 , A63B53/04
CPC分类号： C22C14/00 , A63B53/0466 , A63B53/047 , A63B2053/0416 , A63B2209/00 , C22F1/183
摘要： An α+β-type titanium alloy which, has a high Young's modulus and strength-ductility balance is provided as a material for a face of a driver, iron, or other golf club.A titanium alloy having a high strength and high Young's modulus for a golf club face comprising, by mass %, 4.7 to 5.5% of Al, 0.5 to 1.4% of Fe, 0.03% or less of N, O which satisfies an [O] eq (oxygen equivalent value) of 0.25 to 0.34% calculated by formula (1), and a balance of Ti and unavoidable impurities. By adding Al, O, and N which cause solution strengthening of the α-phase and selecting the inexpensive Fe as the β-stabilizing element and suitably limiting the amounts of addition of these elements, it is possible to achieve a high strength and a high Young's modulus which satisfies the SLE rule without relying on cold working strengthening or aging strengthening heat treatment, and simultaneously obtain a large, good total elongation and a high strength-ductility balance. [O]eq=[O]+2.77[N] formula (1)
摘要翻译：提供具有高杨氏模量和强度 - 延展性平衡的α+ / bgr型型钛合金作为驾驶员，熨斗或其他高尔夫球杆的面部材料。 1.一种高尔夫球杆面的高强度高杨氏模量的钛合金，以质量％计含有Al：0.7〜5.5％，Fe：0.5〜1.4％，N：O 3 :0.03％以下，满足[O] eq（氧当量）为0.25〜0.34％，余量为Ti和不可避免的杂质。通过添加引起α相的溶液强化的Al，O和N，选择廉价的Fe作为稳定元素，并适当地限制这些元素的添加量，可以实现高强度和高杨氏模量满足SLE规则，不依赖于冷加工或老化强化热处理，同时获得大的良好的总伸长率和高的强度 - 延展性平衡。 [O] eq = [O] +2.77 [N]式（1）

10. 发明申请

US20120148437A1 Heat Resistant Titanium Alloy Sheet Excellent in Cold Workability and A Method of Production of the Same 审中-公开
标题翻译：耐寒钛加工性优异的耐热钛合金板及其制造方法
公开(公告)号：US20120148437A1
公开(公告)日：2012-06-14
申请号：US13327306
申请日：2011-12-15
申请人： Hideki FUJII , Hiroaki Otsuka , Kazuhiro Takahashi
发明人： Hideki FUJII , Hiroaki Otsuka , Kazuhiro Takahashi
IPC分类号： C22C14/00
CPC分类号： C22C14/00 , C22F1/00 , C22F1/18 , C22F1/183 , F01N2530/00
摘要： The present invention provides a heat resistant titanium alloy sheet excellent in cold workability having high temperature strength characteristics better than JIS Type 2 pure titanium and having a cold workability and high temperature oxidation resistance equal to or better than that of JIS Class 2 pure titanium comprising, by mass %, 0.3 to 1.8% of Cu, 0.18% or less of oxygen, 0.30% or less of Fe, and, as needed, at least one of Sn, Zr, Mo, Nb, and Cr in a total of 0.3 to 1.5%, and the balance of Ti and less than 0.3% of impurity elements and a method of production characterized by performing the final annealing at 650 to 830° C. or performing the hot-rolled sheet or coil annealing or intermediate annealing at 650 to 830° C. and the final annealing after cold working at 600 to 650° C.
摘要翻译：本发明提供一种耐冷加工性优异的耐热钛合金板，其耐高温特性优于JIS 2型纯钛，其冷加工性和耐高温氧化性等于或优于JIS 2类纯钛，，0.3〜1.8％的Cu，0.18％以下的氧，0.30％以下的Fe，以及根据需要，Sn，Zr，Mo，Nb，Cr中的至少一种为0.3〜 1.5％，余量为Ti且小于0.3％的杂质元素，以及生产方法，其特征在于在650〜830℃进行最终退火，或者在650〜650℃进行热轧板或线圈退火或中间退火 830℃，在600〜650℃冷加工后进行最终退火。

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