Hitachi Metals, Ltd.

Proterial, Ltd.

Ihi Corporation

Oerlikon Surface Solutions Ag, Pfaffikon

Mitsubishi Hitachi Tool Engineering, Ltd.

Moldino Tool Engineering, Ltd.

Shuho Koseki

Kenichi Inoue

Hiroshi Shiratori

Kana Morishita

Tadashi Furuya

Kazuya Shinagawa

Denis Kurapov

Kousuke Kuwabara

Tomoya Sasaki

Masanobu Baba

Takahito Araki

Issei Otera

Yuta Tanaka

Saleh Breik Abusuilik

Kazuhiko Kakinuma

Yoshihiko Kobayashi

Fumiaki Honda

Hirotsugu Kawanaka

Wolfgang Kalss

Yasuhiko Otsubo

Kiyomi Nakamura

Katsuhiro Obata

Daiki Shinno

Takahiro Makiyama

Gang Han

Makoto Ogata

An object is to provide an alloy composition that has a sufficient melting point for casting of an aluminum alloy, also has high hardness, and can suppress an occurrence of galling. The alloy composition of the present invention includes: a Mo—Cr-based dendritic structure; and a Ni—Al-based interdendritic structurethat fills a periphery of the Mo—Cr-based dendritic structure. The alloy composition of the present invention can adopt a chemical composition I in which when Mo+Cr+Ni+Al=100 at. % holds, Ni+Al=15 to 50 at. % and Mo+Cr=50 to 85 at. % hold; or a chemical composition II in which Ni+Al=40 to 70 at. % and Mo+Cr=30 to 60 at. % hold.

Alloy composition, method for producing alloy composition, and die

The present invention provides an alloy, an alloy powder, an alloy member, and a composite member which are excellent in corrosion resistance and wear resistance, have crack resistance, and are suitable for an additive manufacturing method and the like. An alloy and an alloy powder include, by mass %, Cr: 18 to 22%, Mo: 18 to 28%, Ta: 1.5 to 57%, C: 1.0 to 2.5%, Nb: 0 to 42%, Ti: 0 to 15%, V: 0 to 27%, Zr: 0 to 29%, and a remainder consisting of Ni and unavoidable impurities, where a molar ratio of (Ta+0.7Nb+Ti+0.6V+Zr)/C=0.5 to 1.5 is satisfied. An alloy member is an additively manufactured product or a cast having such a solidification structure, and the solidification structure is a dendrite-like crystal structure having a metal phase having a face-centered cubic structure and carbides.

Alloy, alloy powder, alloy member, and composite member

The purpose of the present invention is to provide a mold having both good adhesion resistance and smoothness, and a production method therefor. Provided is a mold made of a composite material comprising hard phases and metal phases characterized in that the mold has a reinforced layer made of hard phases for a working surface and the working surface satisfies the arithmetic average roughness Ra&#x2264;0.1 &#x3bc;m and skewness Rsk&#x2264;&#x2212;0.01. Also provided is a production method for a mold made of a composite material comprising hard phases and metal phases characterized in having: a shaping step for working the surface of the mold made of said composite material and adjusting to Ra&#x2264;0.1 &#x3bc;m; and after the shaping step, a surface layer-modifying step for etching the surface of the mold adjusted to Ra&#x2264;0.1 &#x3bc;m and removing the metal phases near the surface.

Mold and production method therefor

Provided are a Ni-based alloy capable of being melted and solidified and excellent in corrosion resistance and abrasion resistance, a Ni-based alloy powder, a Ni-based alloy member, and a product including a Ni-based alloy member. The Ni-based alloy excellent in corrosion resistance and abrasion resistance includes, by mass %: Cr: 8.5% to 23.0%; Mo: 8.5% to 27.0%; Ta: 0.5% to 2.5%; W: 15.0 to 51.0%; and C: 1.0 to 3.5%, the balance being Ni and unavoidable impurities, in which the mass ratios Ni:Cr:Mo of Ni, Cr and Mo are 2.5 to 3.5:1:1.0 to 1.5.

Ni-based alloy, Ni-based alloy powder, Ni-based alloy member, and product including Ni-based alloy member

An object of the present invention is to provide an additively manufactured part with high temperature strength and high ductility that can be suitably used for hot forging even in the temperature range of 800&#xb0; C. or more, and a manufacturing method therefor. The manufacturing method for the additively manufactured part in accordance with the present invention includes an additive manufacturing step of using composite powder containing ceramic and metal and having voids therein to form a composite material containing the ceramic and the metal by repeating steps of melting and solidifying the composite powder; and a remelting step of remelting the surface of the composite material.

Composite member manufacturing method and composite member

The present disclosure provides a powder material that makes it possible to achieve higher flowability than before and to increase the crushing strength of particles. The powder material of the present disclosure has a dendritic structure. The dendritic structurehas a cemented carbide composition or a cermet composition.

Powder material, powder material for additive manufacturing, and method for producing powder material

Provided is an abrasion test apparatus for measuring an abrasion state of a workpiece, including: a workpiece holding mechanism holding the workpiece; a contact tool repeatedly making contact and non-contact with the workpiece; a rotating mechanism holding the contact tool to be freely rotatable; and a heating mechanism intermittently heating an end portion of the contact tool.

Abrasion test apparatus

The present invention discloses a coated cutting tool having a hard coating film on a surface of the tool. The hard coating film is a nitride, the content ratio of titanium (Ti) with respect to a total amount of metal elements (including semimetal elements) is in a range of 70 at % to 95 at %, the content ratio of silicon (Si) with respect to the total amount of metal elements (including semimetal elements) is in a range of 5 at % to 30 at %, and the content ratio of argon (Ar) with respect to the total amount of metal elements (including semimetal elements) and non-metal elements is 0.1 at % or less. The hard coating film has a NaCl type crystal structure and has an average crystal grain size in a range of 5 nm to 30 nm.

Coated cutting tool

The present invention pertains to high-strength/high-ductility alloys, and in particular, provides high-strength composite particles comprising a ceramic phase and a metal phase, a composite powder, a method for manufacturing composite particles, and a method for manufacturing a composite member. Composite particles including a ceramic phase and a metal phase, wherein the composite particles are characterized in that the porosity is no greater than 45% in area ratio in cross-section, and the area ratio of the metal phase, where the total area of the ceramic phase and the metal phase is 100%, is at least 20%. A composite powder characterized in including a plurality of the composite particles.

Composite particles, composite powder, method for manufacturing composite particles, and method for manufacturing composite member

A method for producing a tool coated with a hard coating, the method including the following steps: applying a TiAIN coating layer onto a substrate with a first magnetron sputtering process and applying a TiSiN coating layer onto the TiAIN layer with a second magnetron sputtering process, where x is smaller than or equal to 0.85 and preferably between and including 0.80 and 0.70 whereas the second magnetron sputtering process is performed with power densities greater than 100 W/cmand as such is a HIPIMS process.

Method for producing a double-layer coated cutting tool with improved wear resistance

A coating consists essentially of one or more selected from the group of nitrides of one or more first metals of titanium, zirconium and hafnium beyond 0 at % but less than 100 at % and a balance of silicon, and nitrides of one or more second metals of vanadium, niobium and tantalum.

Compressor vane or blade for engine

When a compressor vane or blade for an engine is used in an environment containing abundant foreign substances, deposits originated from the foreign substances are likely to deposit on surfaces of the vane or blade. The compressor vane or blade according to the present disclosure has a base body of the compressor vane or blade; and a coating covering the base body, which consists essentially of one or more selected from the group of molybdenum disulfide and tungsten disulfide.

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Yasugi, Japan

Shuho Koseki