公开(公告)号：US09260773B2

公开(公告)日：2016-02-16

申请号：US13496750

申请日：2010-09-22

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

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

IPC分类号： C22C14/00 ,  C22F1/18 ,  C22F1/00 ,  C22C1/02 ,  C22C16/00

CPC分类号： C22F1/183 ,  C22C1/02 ,  C22C14/00 ,  C22F1/00

摘要： A titanium alloy has high strength and superior workability and is preferably used for various structural materials for automobiles, etc. The titanium alloy is obtained by the following production method. An alloy having a structure of α′ martensite phase is hot worked at conditions at which dynamic recrystallization occurs. The working is performed at a heating rate of 50 to 800° C./second at a strain rate of 0.01 to 10/second when the temperature is 700 to 800° C. or at a strain rate of 0.1 to 10/second when the temperature is more than 800° C. and less than 1000° C. so as to provide a strain of not less than 0.5. Thus, equiaxed crystals with an average grain size of less than 1000 nm are obtained.

摘要翻译： 钛合金的强度高，加工性优异，优选用于汽车等的各种结构材料。钛合金通过以下的制造方法得到。 具有α'马氏体相结构的合金在发生动态再结晶的条件下热加工。 当温度为700至800℃时，以0.1至10 /秒的应变速率，以0.1至10 /秒的应变速率，以50至800℃/秒的加热速率进行加工，应变速率为0.01至10 /秒 温度超过800℃且小于1000℃，以提供不小于0.5的应变。 因此，得到平均粒径小于1000nm的等轴晶体。

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。

公开(公告)号：US09624565B2

公开(公告)日：2017-04-18

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 ,  C22F1/00 ,  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.

公开(公告)号：US20120168042A1

公开(公告)日：2012-07-05

申请号：US13496750

申请日：2010-09-22

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

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

IPC分类号： C22F1/16 ,  C22C14/00

CPC分类号： C22F1/183 ,  C22C1/02 ,  C22C14/00 ,  C22F1/00

摘要： A titanium alloy has high strength and superior workability and is preferably used for various structural materials for automobiles, etc. The titanium alloy is obtained by the following production method. An alloy having a structure of α′ martensite phase is hot worked at conditions at which dynamic recrystallization occurs. The working is performed at a heating rate of 50 to 800° C./second at a strain rate of 0.01 to 10/second when the temperature is 700 to 800° C. or at a strain rate of 0.1 to 10/second when the temperature is more than 800° C. and less than 1000° C. so as to provide a strain of not less than 0.5. Thus, equiaxed crystals with an average grain size of less than 1000 nm are obtained.

摘要翻译： 钛合金的强度高，加工性优异，优选用于汽车等的各种结构材料。钛合金通过以下的制造方法得到。 具有α'马氏体相结构的合金在发生动态再结晶的条件下热加工。 当温度为700至800℃时，以0.1至10 /秒的应变速率，以0.1至10 /秒的应变速率，以50至800℃/秒的加热速率进行加工，应变速率为0.01至10 /秒 温度超过800℃且小于1000℃，以提供不小于0.5的应变。 因此，得到平均粒径小于1000nm的等轴晶体。

公开(公告)号：US07857916B2

公开(公告)日：2010-12-28

申请号：US10821170

申请日：2004-04-09

申请人： Akihiko Chiba ,  Yoshiki Ono ,  Shigemi Sato ,  Michihiko Ayada ,  Takeshi Suzuki ,  Morimichi Kai ,  Masashi Sakamoto

发明人： Akihiko Chiba ,  Yoshiki Ono ,  Shigemi Sato ,  Michihiko Ayada ,  Takeshi Suzuki ,  Morimichi Kai ,  Masashi Sakamoto

IPC分类号： C22C19/07 ,  B22D23/00

CPC分类号： C22C19/07 ,  C22C1/02

摘要： A Co—Cr—Mo alloy fine wire has superior biocompatibility, corrosion resistance, wear resistance, processability, and flexibility. A manufacturing method and a planar body or the like formed by processing this fine wire. This is a fine wire of diameter of 200 micrometers or less comprising 26 to 31 weight % of Cr, 8 to 16 weight % of Mo, and the remainder of Co and inevitable impurities, in which the degree of roundness (minor diameter/major diameter) of lateral cross section is 0.6 or more, and the internal structure is uniform with the concentration ratio of high Mo concentration phase to low Mo concentration phase of 1.8 or less.

摘要翻译： Co-Cr-Mo合金细线具有优异的生物相容性，耐腐蚀性，耐磨性，加工性和柔韧性。 通过处理该细线而形成的制造方法和平面体等。 这是直径为200微米或更小的细线，其包含26至31重量％的Cr，8至16重量％的Mo，剩余的Co和不可避免的杂质，其中圆度（小直径/主直径 ）的横截面为0.6以上，内部结构均匀，Mo浓度相对低Mo浓度相的浓度比为1.8以下。

公开(公告)号：US07625519B2

公开(公告)日：2009-12-01

申请号：US11104647

申请日：2005-04-13

申请人： Akihiko Chiba ,  Yoshiki Ono ,  Masashi Sakamoto ,  Akira Yamazaki ,  Yoichi Nishio ,  Kenichi Omori

发明人： Akihiko Chiba ,  Yoshiki Ono ,  Masashi Sakamoto ,  Akira Yamazaki ,  Yoichi Nishio ,  Kenichi Omori

IPC分类号： B22F3/12 ,  A61F2/02

CPC分类号： A61F2/30965 ,  A61F2/28 ,  A61F2/3094 ,  A61F2/34 ,  A61F2/36 ,  A61F2/3859 ,  A61F2/3877 ,  A61F2/389 ,  A61F2/44 ,  A61F2002/30004 ,  A61F2002/30011 ,  A61F2002/30261 ,  A61F2002/30293 ,  A61F2002/30915 ,  A61F2002/30968 ,  A61F2002/30971 ,  A61F2230/0082 ,  A61F2230/0091 ,  A61F2250/0014 ,  A61F2250/0023 ,  A61F2310/00017 ,  A61F2310/00023 ,  A61F2310/00029 ,  A61F2310/00796 ,  A61F2310/0088 ,  A61L27/045 ,  A61L27/56 ,  B22F3/002 ,  C22C1/0433

摘要： The present invention provides a method for manufacturing a biomedical porous article wherein communicability between the pores in the porous article is ensured and a desired porosity can be easily obtained, the method comprising a plate-like thread cluster formation step in which a plate-like thread cluster is obtained by dispersing many metallic threads made of a biomedical metallic material along a flat surface and entangling them; a compressing step of compressing the plate-like thread cluster into a desired thickness; and a sintering step of sintering the plate-like thread cluster.

摘要翻译： 本发明提供一种制造生物医用多孔制品的方法，其中确保多孔制品中的孔之间的通透性并且可以容易地获得期望的孔隙率，该方法包括板状螺纹簇形成步骤，其中板状螺纹 通过沿着平坦表面分散由生物医学金属材料制成的许多金属丝并缠结它们获得簇; 压缩步骤，将板状螺纹束压缩成所需厚度; 以及烧结板状螺纹团簇的烧结步骤。

公开(公告)号：US20050254985A1

公开(公告)日：2005-11-17

申请号：US11104647

申请日：2005-04-13

申请人： Akihiko Chiba ,  Yoshiki Ono ,  Masashi Sakamoto ,  Akira Yamazaki ,  Yoichi Nishio ,  Kenichi Omori

发明人： Akihiko Chiba ,  Yoshiki Ono ,  Masashi Sakamoto ,  Akira Yamazaki ,  Yoichi Nishio ,  Kenichi Omori

IPC分类号： A61L27/00 ,  A61F2/00 ,  A61F2/28 ,  A61F2/30 ,  A61F2/34 ,  A61F2/36 ,  A61F2/38 ,  A61F2/44 ,  A61L27/04 ,  A61L27/56 ,  B22F3/00 ,  B22F3/12 ,  C22C1/04

CPC分类号： A61F2/30965 ,  A61F2/28 ,  A61F2/3094 ,  A61F2/34 ,  A61F2/36 ,  A61F2/3859 ,  A61F2/3877 ,  A61F2/389 ,  A61F2/44 ,  A61F2002/30004 ,  A61F2002/30011 ,  A61F2002/30261 ,  A61F2002/30293 ,  A61F2002/30915 ,  A61F2002/30968 ,  A61F2002/30971 ,  A61F2230/0082 ,  A61F2230/0091 ,  A61F2250/0014 ,  A61F2250/0023 ,  A61F2310/00017 ,  A61F2310/00023 ,  A61F2310/00029 ,  A61F2310/00796 ,  A61F2310/0088 ,  A61L27/045 ,  A61L27/56 ,  B22F3/002 ,  C22C1/0433

摘要： The present invention provides a method for manufacturing a biomedical porous article wherein communicability between the pores in the porous article is ensured and a desired porosity can be easily obtained, the method comprising a plate-like thread cluster formation step in which a plate-like thread cluster is obtained by dispersing many metallic threads made of a biomedical metallic material along a flat surface and entangling them; a compressing step of compressing the plate-like thread cluster into a desired thickness; and a sintering step of sintering the plate-like thread cluster.

摘要翻译： 本发明提供一种制造生物医用多孔制品的方法，其中确保多孔制品中的孔之间的通透性并且可以容易地获得期望的孔隙率，该方法包括板状螺纹簇形成步骤，其中板状螺纹 通过沿着平坦表面分散由生物医学金属材料制成的许多金属丝并缠结它们获得簇; 压缩步骤，将板状螺纹束压缩成所需厚度; 以及烧结板状螺纹团簇的烧结步骤。

公开(公告)号：US08460485B2

公开(公告)日：2013-06-11

申请号：US13060593

申请日：2009-09-02

申请人： Shingo Kurosu ,  Akihiko Chiba ,  Hiroaki Matsumoto

发明人： Shingo Kurosu ,  Akihiko Chiba ,  Hiroaki Matsumoto

IPC分类号： C22F1/10

CPC分类号： C22C19/07 ,  A61F2/3094 ,  A61F2/38 ,  A61F2310/00029 ,  A61L27/045 ,  C21D2201/03 ,  C22F1/00 ,  C22F1/10

摘要： A Co—Cr—Mo alloy with nitrogen addition composed of 26 to 35% by weight of Cr, 2 to 8% by weight of Mo, 0.1 to 0.3% by weight of N, and balance of Co is subjected to solution treatment and then subjected to isothermal aging treatment holding the alloy at 670 to 830° C. for a predetermined period of time to form a multi-phase structure composed of an ε-phase and a Cr nitride by means of an isothermal aging effect. After cooling, the alloy subjected to reverse transformation treatment in which the alloy is heated at a temperature range of 870 to 1100° C. for reverse transformation to a single γ-phase from the multi-phase structure composed of an ε-phase and a Cr nitride.

摘要翻译： 将由26〜35重量％的Cr，2〜8重量％的Mo，0.1〜0.3重量％的N和余量的Co组成的Co-Cr-Mo合金进行固溶处理，然后 进行等温时效处理，将合金在670〜830℃保持规定时间，通过等温时效作用形成由ε相和Cr氮化物构成的多相结构体。 冷却后，对合金进行逆相变处理，其中将合金在870〜1100℃的温度范围内加热，以便从由ε相和 氮化铬。

公开(公告)号：US20110209799A1

公开(公告)日：2011-09-01

申请号：US13060593

申请日：2009-09-02

申请人： Shingo Kurosu ,  Akihiko Chiba ,  Hiroaki Matsumoto

发明人： Shingo Kurosu ,  Akihiko Chiba ,  Hiroaki Matsumoto

IPC分类号： C23C8/24

CPC分类号： C22C19/07 ,  A61F2/3094 ,  A61F2/38 ,  A61F2310/00029 ,  A61L27/045 ,  C21D2201/03 ,  C22F1/00 ,  C22F1/10

摘要： A Co—Cr—Mo alloy with nitrogen addition composed of 26 to 35% by weight of Cr, 2 to 8% by weight of Mo, 0.1 to 0.3% by weight of N, and balance of Co is subjected to solution treatment and then subjected to isothermal aging treatment holding the alloy at 670 to 830° C. for a predetermined period of time to form a multi-phase structure composed of an ε-phase and a Cr nitride by means of an isothermal aging effect. After cooling, the alloy subjected to reverse transformation treatment in which the alloy is heated at a temperature range of 870 to 1100° C. for reverse transformation to a single γ-phase from the multi-phase structure composed of an ε-phase and a Cr nitride.

摘要翻译： 将由26〜35重量％的Cr，2〜8重量％的Mo，0.1〜0.3重量％的N和余量的Co组成的Co-Cr-Mo合金进行固溶处理，然后 进行等温时效处理，将合金在670〜830℃保持一段时间，通过等温老化作用形成由相等和氮化铬组成的多相结构。 冷却后，将合金进行逆相变处理，其中将合金在870〜1100℃的温度范围内进行加热，以从由相等相组成的多相结构反相转变成单个γ相， 氮化铬。

公开(公告)号：US10808306B2

公开(公告)日：2020-10-20

申请号：US14966817

申请日：2015-12-11

申请人： Akihiko Chiba ,  Takuma Otomo ,  Yasunori Akasaka ,  Tomoo Kobayashi ,  Ryo Sugawara

发明人： Akihiko Chiba ,  Takuma Otomo ,  Yasunori Akasaka ,  Tomoo Kobayashi ,  Ryo Sugawara

IPC分类号： C22F1/10 ,  C22F1/16 ,  C22C19/05 ,  C22C19/07 ,  C22C30/00 ,  C22C1/02 ,  C22C19/00 ,  H01F1/147 ,  C22C19/03 ,  B22D7/00 ,  C21D1/26

摘要： Provided is a Co—Ni-based alloy in which a crystal is easily controlled, a method of controlling a crystal of a Co—Ni-based alloy, a method of producing a Co—Ni-based alloy, and a Co—Ni-based alloy having controlled crystallinity. The Co—Ni-based alloy includes Co, Ni, Cr, and Mo, in which the Co—Ni-based alloy has a crystal texture in which a Goss orientation is a main orientation. The Co—Ni-based alloy preferably has a composition including, in terms of mass ratio: 28 to 42% of Co, 10 to 27% of Cr, 3 to 12% of Mo, 15 to 40% of Ni, 0.1 to 1% of Ti, 1.5% or less of Mn, 0.1 to 26% of Fe, 0.1% or less of C, and an inevitable impurity; and at least one kind selected from the group consisting of 3% or less of Nb, 5% or less of W, 0.5% or less of Al, 0.1% or less of Zr, and 0.01% or less of B.