Nippon Steel Corporation

Nippon Steel & Sumitomo Metal Corporation

Fuji Xerox Co., Ltd.

Olympus Medical Systems Corporation

Toho Titanium Co., Ltd.

Renesas Electronics Corporation

Thk Co., Ltd.

Nec Corporation

Nikon Corporation

Kyoto University

Nippon Steel & Sumikin Stainless Steel Corporation

Nippon Steel & Sumikin Engineering Co., Ltd.

Rhythm Co., Ltd.

Hideki Fujii

Kazuhiro Takahashi

Kenichi Mori

Tomonori Kunieda

Hirotaka Kawabata

Yoshitsugu Tatsuzawa

Akira Kawakami

Hiroaki Otsuka

Tomoyuki Kitaura

Yoshihiro Maei

Kazutaka Saitoh

Yoshihisa Shirai

Yoshiharu Sagiya

Keita Suzuki

Hiroshi Amano

Kenji Furuya

Yuichi Miyagawa

Mitsuo Ishii

Minoru Yoshida

Yoshiaki Tezuka

Munetsugu Matsuo

Masao Kimura

Naoya Masahashi

Toshihiro Hanamura

Youji Mizuhara

Takashi Oda

Hisamune Tanaka

Manabu Wada

Hiroo Suzuki

Hitoshi Tamura

Isao Tanaka

Keizo Hashimoto

Yoshimasa Miyazaki

Osamu Tada

Hideki Soejima

Takeki Shirai

Masahiro Morita

Takashi Sakayama

Yutaka Yanuma

Yasujiro Kiyota

Shinichi Teraoka

Yoshihiro Fujii

Shigeru Kato

Satoshi Watanabe

Masaharu Hatano

Soshi Miyahara

Kiyonori Tokuno

Daisuke Suzuki

Kensuke Uesaka

Akihiro Nishimura

Ko Kimura

Satoru Nagai

Kazuhiko Adachi

Akihiro Itoh

Matsuhide Horikawa

Norio Yamamoto

Shigeo Fukumoto

Tetsuya Uda

Hidenori Takebe

Yosuke Inoue

Takashi Domoto

Hiroaki Sakaki

Kentaro Hikomoto

Seiichi Soeda

Koji Mitsuda

Teruhiko Hayashi

Isamu Takayama

Hajime Ikeuchi

Masashi Hayakawa

Hiroyuki Okano

Nobuyuki Kudo

Nobuyuki Oobayashi

Hironori Shoji

Shinichi Ohmiya

Masatoshi Murayama

Haruka Yamamoto

Michio Hanaki

Naofumi Fushimi

Keita Suzumura

Masayuki Igarashi

Kouhei Funatsu

Yoshiaki Itami

Yoshitaka Takahashi

Akihiro Kishimoto

Yoshito Yamashita

A method for producing a metallic green compactrelates to a method for producing the green compacthaving at least one recessincluding a step of subjecting a raw material powder filled in a resin moldto cold isostatic pressing while placing a resin core materialhaving a shape corresponding to the recessat a position corresponding to the recessin the resin mold

Method for producing green compact and method for producing sintered body

Provided is a titanium composite materialincluding: a first surface layer portion; an inner layer portion; and a second surface layer portion; wherein: the first surface layer portionand the second surface layer portionare composed of a titanium alloy; the inner layer portionis composed of a commercially pure titanium including pores; a thickness of at least one of the first surface layer portionand the second surface layer portionis 2 &#x3bc;m or more, and a proportion of the thickness with respect to an overall thickness of the titanium composite materialis 40% or less; and a porosity in a cross section perpendicular to a sheet thickness direction is more than 0% and 30% or less.

Titanium material for hot working

A method for producing metal titanium by carrying out electrolysis using an anode and a cathode in a molten salt bath, the method using an anode containing metal titanium as the anode, the method comprising a titanium deposition step of depositing metal titanium on the cathode, wherein, in the titanium deposition step, a temperature of the molten salt bath is from 250&#xb0; C. or more and 600&#xb0; C. or less, and an average current density of the cathode in a period from the start to 30 minutes later of the titanium deposition step is maintained in a range of 0.01 A/cmto 0.09 A/cm.

Method for producing metal titanium

A titanium product includes an inner layer portion and a surface layer portion joined to the inner layer portion. The surface layer portion has a composition consisting of, by mass %, O: 0.4% or less, Fe: 0.5% or less, Cl: 0.020% or less, the balance: Ti and impurities. The inner layer portionhas pores and a composition consisting of, by mass %, O: 0.4% or less, Fe: 0.5% or less, Cl: more than 0.020% and 0.60%, the balance: Ti and impurities. The area fraction of the pores in the inner layer portion in a cross-section perpendicular to the longitudinal direction of the titanium product is more than 0% and not more than 30%. The Cl content (Cl) of the inner layer portion, a thickness (t) of the surface layer portion, and a thickness (t) of the inner layer portion satisfy the expression [Cl&#x2264;0.03+0.02&#xd7;t/t].

Titanium product and method for producing the same

Provided is a titanium cast product for hot rolling made of commercially pure titanium, the titanium cast product including a melted and resolidified layer in a range of more than or equal to 1 mm in depth on a surface serving as a rolling surface, the melted and resolidified layer being obtained by adding one or more elements out of any one of or both of at least one &#x3b1; stabilizer element and at least one neutral element to the surface, and melting and resolidifying the surface. An average value of a total concentration of the at least one &#x3b1; stabilizer element and the at least one neutral element in the range of more than or equal to 1 mm in depth is higher than a total concentration of the at least one &#x3b1; stabilizer element and the at least one neutral element in a base metal by, in mass %, more than or equal to 0.1% and less than 2.0%.

Titanium cast product for hot rolling unlikely to exhibit surface defects and method of manufacturing the same

A method for producing a hot-rolled titanium plate includes, [1] melting at least one part of the side surface of the titanium slab by radiating a beam or plasma toward the side surface, not toward the surface to be rolled, and thereafter causing re-solidification to form, in the side surface, a layer having grain diameter of 1.5 mm or less and a depth of 3.0 mm or more from the side surface; [2] performing a finishing process on the surface to be rolled of the titanium slab in which the layer is formed, to thereby bring a slab flatness index X to 3.0 or less; and [3] subjecting the titanium slab after the finishing process to hot rolling under a condition in which a length of an arc of contact of a roll L in a first pass of rough rolling is 230 mm or more.

Method for producing hot-rolled titanium plate

A titanium sheet including the following chemical components in mass %: Cu: 0.70 to 1.50%, Cr: 0 to 0.40%, Mn: 0 to 0.50%, Si: 0.10 to 0.30%, O: 0 to 0.10%, Fe: 0 to 0.06%, N: 0 to 0.03%, C: 0 to 0.08%, H: 0 to 0.013%, elements except the above and Ti: 0 to 0.1% each, with a total amount of the elements being 0.3% or less, and the balance: Ti, wherein A value defined by Formula (1) is 1.15 to 2.5 mass %, and the titanium sheet having a metal microstructure in which an area fraction of an &#x3b1; phase is 95% or more, an area fraction of a &#x3b2; phase is 5% or less, and an area fraction of an intermetallic compound is 1% or less, wherein an average crystal grain size D (&#x3bc;m) of the &#x3b1; phase is 20 to 70 &#x3bc;m and satisfies Formula (2).

Titanium sheet

A small-sized electric fan using a USB power source has such a structure that the small-sized electric fan is provided with: a body case; a blade part; a motor M that rotationally drives the blade part; a USB cableprovided with a connectorthat is detachably connected to the USB power source; and a lid casethat is provided to the body caseso as to be openable/closable and turnable, in which the body caseis provided with a groove partthat can store therein the USB cable when the USB cableis wound around the groove part, on a case side surface partalong a rotation direction of the blade part, a connector inserting partto which the connectorof the USB cablecan be inserted is provided on the case side surface partor a case back surface partof the body case, and the USB cablehas a cable length that allows the connectorto be inserted to the connector inserting part, when the USB cableis wound around the groove partof the case side surface partat least once.

Small-sized electric fan

A titanium foil or a titanium sheet is produced by electrodeposition from molten salt using constant current pulse, the method comprising: forming an electrodeposited titanium film on a surface of a cathode electrode made of glassy carbon, graphite, Mo, and Ni, and separating thereafter the electrodeposited titanium film from the cathode electrode by performing one or both of applying an external force to the electrodeposited titanium film and removing the cathode electrode. This enables the electrodeposited titanium film electrodeposited on the cathode electrode to be peeled from the cathode electrode simply and at low cost.

Method for producing titanium foil or titanium sheet, and cathode electrode

An austenitic stainless steel according to the present invention has a chemical composition containing, by mass %: C: 0.01 to 0.15%; Si: 2.0% or less; Mn: 3.0% or less; Cr: 10.0 to 20.0%; Ni: 5.0 to 13.0%; N: 0.01 to 0.30%; Nb: 0 to 0.5%; Ti: 0 to 0.5%; and V: 0 to 0.5%, with the balance: Fe and impurities, wherein an average grain size is 10.0 &#x3bc;m or less, a difference in value of an average lattice constant d(={d&#xd7;I+d&#xd7;I+d&#xd7;I+d&#xd7;I}/{I+I+I+I}) of an austenite phase between a surface portion and a center portion is 0.010 &#x212b; or more, and a value of a diffraction peak integrated intensity ratio r (=100&#xd7;&#x3a3;I/&#x3a3;I) at a surface is 95% or more.

Austenitic stainless steel

Titanium composite material and titanium material for hot working

A titanium-containing structure made of a titanium material includes: a package made of a commercially pure titanium material; and a filler packed into the package, wherein an internal pressure of the package is 10 Pa or less, the pressure being an absolute pressure, and wherein the filler includes at least one selected from titanium sponge, titanium briquette, and titanium scrap, and the filler has the same type of a chemical composition of the commercially pure titanium material. This titanium-containing structure enables production of a titanium product by performing hot working and eliminating the conventional melting step and forging step.

Titanium-containing structure and titanium product

A titanium composite materialis provided that includes: an inner layerconsisting of a commercially pure titanium or a titanium alloy; an outer layerformed on at least one surface of the inner layerand having a chemical composition that is different from a chemical composition of the inner layer; and an intermediate layer formed between the inner layerand the outer layerand having a chemical composition that is different from the chemical composition of the inner layer. The thickness of the outer layeris 2 &#x3bc;m or more, and occupies no more than 40% of the overall thickness per side. The thickness of the intermediate layer is 0.5 &#x3bc;m or more. Despite being inexpensive, this titanium composite material has desired characteristics.

Titanium composite material and titanium material for hot rolling

A titanium material for hot rollingincludes a titanium cast piece, and titanium sheetsthat are welded to faces corresponding to rolling surfacesof the titanium cast piece. The titanium cast pieceand the titanium sheetshave the same kind of chemical composition. The titanium material for hot rollingcan maintain good surface properties after hot rolling even if a slabbing process or a finishing process is omitted.

Titanium material for hot rolling

An information processing apparatus includes a transmission unit that performs facsimile transmission to a destination and a changing unit that changes, in accordance with a language registered in the information processing apparatus, size of a certain area, in which characters including source characters for identifying a facsimile source are to be formed, of a sheet output at the destination as a result of the facsimile transmission in a height direction of the characters.

Changing the height of a facsimile source area in accordance with a registered language

Growing community of inventors

Tokyo, Japan

Hideki Fujii