Abstract: A metal powder for powder metallurgy contains Fe as a principal component, Cr in a proportion of 11.0 mass % or more and 25.0 mass % or less, Ni in a proportion of 8.0 mass % or more and 30.0 mass % or less, Si in a proportion of 0.20 mass % or more and 1.2 mass % or less, C in a proportion of 0.070 mass % or more and 0.40 mass % or less, Mn in a proportion of 0.10 mass % or more and 2.0 mass % or less, P in a proportion of 0.10 mass % or more and 0.50 mass % or less, and at least one of W and Nb in a proportion of 0.20 mass % or more and 3.0 mass % or less in total.

Abstract: A method for producing an electrical wiring member includes press-molding a composition containing a resin material and metal particles with an insulating layer, each of which is constituted by a metal particle and a surface insulating layer covering the metal particle and containing a glass material as a main material, thereby obtaining a powder-compacted layer and irradiating the powder-compacted layer with an energy beam, thereby causing the irradiated regions to exhibit electrical conductivity.

Abstract: A raw material for thixomolding includes a magnesium-based alloy powder which contains calcium in an amount of 0.2 mass % or more and 5 mass % or less and aluminum in an amount of 2.5 mass % or more and 12 mass % or less, wherein the magnesium-based alloy powder includes an oxide layer which has an average thickness of 30 nm or more and 100 nm or less and contains at least one of calcium and aluminum as an outermost layer. The average dendrite secondary arm spacing of crystal structures of the magnesium-based alloy powder is preferably 5 ?m or less.

Abstract: A dental casting billet material includes: Co as a main component; Cr in a proportion of 26% by mass or more and 35% by mass or less; Mo in a proportion of 5% by mass or more and 12% by mass or less; and Si in a proportion of 0.3% by mass or more and 2.0% by mass or less, wherein the billet material is formed from a sintered body of a metal powder, and the billet material has a relative density of 92% or more and 99.5% or less.

Abstract: A metal powder for powder metallurgy contains Co as a principal component, Cr at 16 mass % or more and 35 mass % or less, and Si at 0.3 mass % or more and 2.0 mass % or less, wherein when one element selected from Ti, V, Y, Zr, Nb, Hf, and Ta is a first element, and one element selected from the group and having a higher group number in the periodic table than that of the first element or having the same group number in the periodic table as that of the first element and a higher period number than that of the first element is a second element, the first element is at 0.01 mass % or more and 0.5 mass % or less, and the second element is at 0.01 mass % or more and 0.5 mass % or less.

Abstract: A compound for metal powder injection molding includes secondary particles in which first metal particles are bound to one another, and a matrix region including a binder and second metal particles whose constituent material is different from that of the first metal particles. It is preferred that in the secondary particles, the first metal particles are bound to one another through the binder. It is also preferred that the average particle diameter of the second metal particles is smaller than that of the first metal particles.

Abstract: A compound for metal powder injection molding includes secondary particles in which first metal particles are bound to one another, and a matrix region including a binder and second metal particles composed of the same constituent material as the first metal particles and having a smaller average particle diameter than the first metal particles. The constituent material of the first metal particles is any of an Fe-based alloy, an Ni-based alloy, and a Co-based alloy.

Abstract: A powder for energy beam sintering includes a plurality of metal particles and a binder which binds the metal particles to one another, wherein the ratio of the bulk density to the true density of the metal particles is 30.5% or more and 45% or less, and the flow rate is 15 sec/50 g or more and 28 sec/50 g or less. The main component of the metal particles is preferably any of iron, nickel, and cobalt. The binder preferably contains polyvinyl alcohol or polyvinylpyrrolidone.

Abstract: A method of manufacturing a vibrator which includes a method of manufacturing a wiring board includes disposing one granular conductor within each of through holes of a ceramic substrate having the through holes formed therein, supplying a glass paste into the through holes, baking the glass paste, forming an electrode, and disposing a vibrator element and a lid. When a maximum diameter of the granular conductor is set to d1 and a minimum diameter of each of the through holes is set to d2, d1/d2 is preferably equal to or greater than 0.8 and equal to or less than 1.

Abstract: A dental blank is provided for yielding a metal frame having a desired shape according to a dental CAD/CAM system and a machining process. The dental blank is formed from a metal powder sintered body and contains Co as a main component, Cr in a proportion of 26% by mass or more and 35% by mass or less, Mo in a proportion of 5% by mass or more and 12% by mass or less, and Si in a proportion of 0.5% by mass or more and 1.0% by mass or less. Further, part of the Si is silicon oxide, and the ratio of the silicon oxide to the total amount of Si is preferably 10% by mass or more and 90% by mass or less.

Abstract: A gear includes a sintered body, in which Fe is contained as a principal component, Ni is contained in a proportion of 2 mass % or more and 20 mass % or less, Si is contained in a proportion of 0.3 mass % or more and 5.0 mass % or less, C is contained in a proportion of 0.005 mass % or more and 0.3 mass % or less, and one element selected from the group consisting of Ti, V, Y, Zr, Nb, Hf, and Ta is defined as a first element, that is contained in a proportion of 0.01 mass % or more and 0.7 mass % or less.

Abstract: A metal powder for powder metallurgy contains Fe as a principal component, Ni in a proportion of 5 mass % or more and 20 mass % or less, Si in a proportion of 0.3 mass % or more and 5 mass % or less, and C in a proportion of 0.005 mass % or more and 0.3 mass % or less, and when one element selected from the group consisting of Ti, V, Y, Zr, Nb, Hf, and Ta is defined as a first element, and one element selected from the group and having a higher group number in the periodic table than that of the first element or having the same group number in the periodic table as that of the first element and a higher period number in the periodic table than that of the first element is defined as a second element.

Abstract: A metal powder for powder metallurgy contains Co as a principal component, Cr in a proportion of 10 to 25 mass %, Ni in a proportion of 5 to 40 mass %, at least one of Mo and W in a proportion of 2 to 20 mass % in total, Si in a proportion of 0.3 to 1.5 mass %, and C in a proportion of 0.05 to 0.8 mass %, wherein one element selected from the group consisting of Ti, V, Y, Zr, Nb, Hf, and Ta is defined as a first element, that is contained in a proportion of 0.01 to 0.5 mass %.

Abstract: A titanium sintered body is composed of a material containing titanium, and has an oxygen content of 2500 ppm by mass or more and 5500 ppm by mass or less and a surface Vickers hardness of 250 or more and 500 or less. It is preferred that an ?-phase and a ?-phase are contained as crystal structures, and an area ratio occupied by the ?-phase in a cross section is 70% or more and 99.8% or less. It is also preferred that in an X-ray diffraction spectrum obtained by X-ray diffractometry, the value of a peak reflection intensity by the plane orientation (110) of the ?-phase is 5% or more and 60% or less of the value of a peak reflection intensity by the plane orientation (100) of the ?-phase. It is also preferred that particles composed mainly of titanium oxide are included.

Abstract: A package base includes a package base body and a bonding metal layer provided in a frame shape or a ring shape in plan view on the package base body, wherein the bonding metal layer contains a Ti—Ag—Cu-containing alloy and a metal belonging to Group 6 in the periodic table.

Abstract: A metal powder for powder metallurgy according to the invention contains Co as a principal component, Cr in a proportion of 25 to 32 mass %, Ni in a proportion of 5 to 15 mass %, Fe in a proportion of 0.5 to 2 mass %, W in a proportion of 4 to 10 mass %, Si in a proportion of 0.3 mass % to 1.5 mass %, and C in a proportion of 0.05 mass % to 0.8 mass %, wherein when one element selected from the group consisting of Ti, V, Y, Zr, Nb, Hf, and Ta is defined as a first element, and one element selected from the group and having a higher group number in the periodic table than that of the first element or having the same group number as that of the first element and a higher period number than that of the first element is defined as a second element, the first element is contained in a proportion of 0.01 to 0.5 mass %, and the second element is contained in a proportion of 0.01 to 0.5 mass %.

Abstract: An ornament includes a sintered body, in which Fe, Cr, Ni, Si, and C are contained, and when one element selected from the group consisting of Ti, V, Y, Zr, Nb, Hf, and Ta is defined as a first element, and one element selected from the group, and having a higher group number in the periodic table than that of the first element or having the same group number as that of the first element and a higher period number than that of the first element is defined as a second element, the first element is contained in a proportion of 0.01 mass % or more and 0.5 mass % or less, and the second element is contained in a proportion of 0.01 mass % or more and 0.5 mass % or less.

Abstract: A blank material to be cut for dentistry includes: Co as a main component; Cr at a ratio equal to or higher than 26 mass % and equal to or less than 35 mass %; Mo at a ratio equal to or higher than 5 mass % and equal to or less than 12 mass %; Si at a ratio equal to or higher than 0.3 mass % and equal to or less than 2.0 mass %; and N at a ratio equal to or higher than 0.09 mass % and equal to or less than 0.5 mass %. The blank material is formed of a sintered body of a metal powder.

Abstract: A polishing media is formed of a sintered body in which a metal structure and a ceramic structure are intermingled with each other. The polishing media is preferably produced by molding a mixed powder of a metal powder and a ceramic powder by an injection molding method and sintering the resulting molded article. Further, the ceramic structure is preferably formed of aluminum oxide, and the metal structure is preferably formed of tungsten.

Abstract: A titanium sintered body contains an ?-phase and a ?-phase as crystal structures, wherein the average grain size of the ?-phase in a cross section is 3 ?m or more and 30 ?m or less, and an area ratio occupied by the ?-phase in a cross section is 70% or more and 99.8% or less. In the titanium sintered body, it is preferred that the average aspect ratio of the ?-phase in a cross section is 1 or more and 3 or less. It is also preferred that the titanium sintered body contains titanium as a main component, and also contains an ?-phase stabilizing element and a ?-phase stabilizing element.