Abstract: Steel for a suspension spring including, as a chemical composition, by % by mass: C: more than 0.40% and 0.65% or less; Si: 1.00% to 3.50%; Mn: more than 2.00% and 3.00% or less; Cr: 0.01% to 2.00%; V: 0.02% to 0.50%; P: 0.020% or less; S: 0.020% or less: N: 0.0100% or less; and a remainder of Fe and impurities, in which Kf is 280 or more, in which a structure contains a tempered martensite of which an area ratio is 90% or more, in which a Fe-based carbide precipitated in the tempered martensite is a cementite, and in which an average of an area ratios of prior austenite grains which stretch in a longitudinal direction of the steel and of which an aspect ratio exceeds 3.0, is 80% or more in a case of depths of 0.1 mm, 0.2 mm, and 0.3 mm in a sheet thickness direction from a surface of the steel.

Abstract: A pouring apparatus comprises a ladle configured to include a body and a nozzle, and a controller configured to control a tilt angle of the ladle, wherein the body includes a side face portion, an inner surface of the side face portion is formed in a cylindrical shape or in a conical shape, the nozzle includes a nozzle tip for guiding molten metal to the outside and is integrated with the body on a side of the body, in order to guide the molten metal in the body to the nozzle tip and to pour out the molten metal through the nozzle tip, and the controller controls the tilt angle on the basis of a surface area of the molten metal when the ladle is tilted.

Abstract: A dielectric ceramic composition represented by a general formula {(Na1-v-w-xKvLiwM2x)(Nb1-y-zTayM4z)O3+?MnO+?La2O3+?Li2O}, wherein 0?v?0.01, 0?w?0.01, 0.05?x, z?0.15, 0?y?0.1, 0.003???0.05, 0.001???0.05, and 0.005???0.05. M2 is Ba, Ca, and/or Sr, and M4 is Zr, Hf, and/or Sn. A ceramic layer is formed of the dielectric ceramic composition, and an internal electrode is formed of a base metal material such as Ni.

Abstract: A roll-up type capacitor includes a cylindrical part, a first external electrode, and a second external electrode. The cylindrical part is a rolled-up laminate in which a lower electrode layer, a dielectric layer and an upper electrode layer are laminated in this order. The first external electrode is electrically connected to the upper electrode layer, and the second external electrode is electrically connected to the lower electrode layer, and the first external electrode and the second external electrode are respectively located on opposed sides of the cylindrical part such that they face to each other.

Abstract: A pouring machine is provided to constantly maintain the level of the surface of melt without a leak, or the like, to maintain a necessary and sufficient pouring rate. The pouring machine (1) that pours molten metal from a container into molds in a line comprises a bogie (10) that travels along the molds; a mechanism (20) for moving the container back and forth that moves the container perpendicularly to the direction that the bogie travels; a mechanism (40) for tilting the container that tilts the container; a weight detector (50) that detects the weight of molten metal in the container; a surface-of-melt detector (60) that detects the level at a pouring cup (110) of a mold (100); and a controller (70) that controls the angle of the tilt of the container by using the detected level and the detected weight.

Abstract: A dielectric ceramic composition represented by a general formula {(Na1-v-w-xKvLiwM2x)(Nb1-y-zTayM4z)O3+?MnO+?La2O3+?Li2O}, wherein 0?v?0.01, 0?w?0.01, 0.05?x, z?0.15, 0?y?0.1, 0.003???0.05, 0.001???0.05, and 0.005???0.05. M2 is Ba, Ca, and/or Sr, and M4 is Zr, Hf, and/or Sn. A ceramic layer is formed of the dielectric ceramic composition, and an internal electrode is formed of a base metal material such as Ni.

Abstract: A steel bar according to one embodiment of the present invention includes predetermined chemical composition, wherein a quenching deflection in a cross section is 1.5 mm or less, wherein ?max and ?min is 1.5 mm or less, wherein a structure in a surface layer area includes 10 area % or less of ferrite and a remainder including one or more selected from a group consisting of a bainite and a martensite, wherein an average value of the grain size of a bcc phase in the surface layer area is 1.0 to 10.0 ?m, wherein an average value of the grain size of the bcc phase in a center area is 1.0 to 15.0 ?m, wherein a hardness of a region of which a depth from the surface is 50 ?m is Hv200 to Hv500, and wherein a total decarburized layer thickness DM-T is 0.20 mm or less.

Abstract: Steel for a suspension spring including, as a chemical composition, by % by mass: C: more than 0.40% and 0.65% or less; Si: 1.00% to 3.50%; Mn: more than 2.00% and 3.00% or less; Cr: 0.01% to 2.00%; V: 0.02% to 0.50%; P: 0.020% or less; S: 0.020% or less: N: 0.0100% or less; and a remainder of Fe and impurities, in which Kf is 280 or more, in which a structure contains a tempered martensite of which an area ratio is 90% or more, in which a Fe-based carbide precipitated in the tempered martensite is a cementite, and in which an average of an area ratios of prior austenite grains which stretch in a longitudinal direction of the steel and of which an aspect ratio exceeds 3.0, is 80% or more in a case of depths of 0.1 mm, 0.2 mm, and 0.3 mm in a sheet thickness direction from a surface of the steel.

Abstract: A pouring machine is provided to constantly maintain the level of the surface of melt without a leak, or the like, to maintain a necessary and sufficient pouring rate. The pouring machine (1) that pours molten metal from a container into molds in a line comprises a bogie (10) that travels along the molds; a mechanism (20) for moving the container back and forth that moves the container perpendicularly to the direction that the bogie travels; a mechanism (40) for tilting the container that tilts the container; a weight detector (50) that detects the weight of molten metal in the container; a surface-of-melt detector (60) that detects the level at a pouring cup (110) of a mold (100); and a controller (70) that controls the angle of the tilt of the container by using the detected level and the detected weight.

Abstract: A pouring apparatus comprises a ladle configured to include a body and a nozzle, and a controller configured to control a tilt angle of the ladle, wherein the body includes a side face portion, an inner surface of the side face portion is formed in a cylindrical shape or in a conical shape, the nozzle includes a nozzle tip for guiding molten metal to the outside and is integrated with the body on a side of the body, in order to guide the molten metal in the body to the nozzle tip and to pour out the molten metal through the nozzle tip, and the controller controls the tilt angle on the basis of a surface area of the molten metal when the ladle is tilted.

Abstract: To provide a machine and method for efficiently pouring and definitely filling only a desired cavity with molten metal to cause the molten metal to solidify there. The automatic pouring machine (1) that has an ability to pressurize having a ladle (2) for pouring molten metal into a mold (A) comprises a pouring unit (10) that can move a ladle in the direction parallel to, and in the direction perpendicular to, a line (L) of molds where a plurality of molds are transported and a unit (20) for pressurizing the molten metal that is supported by the pouring unit and that supplies pressurized gas and a granular material to the mold into which molten metal has been poured. The unit (20) supplies the pressurized gas and the granular material to the mold that is next to the mold into which the pouring unit pours molten metal.

Abstract: A roll-up type capacitor includes a cylindrical part, a first external electrode, and a second external electrode. The cylindrical part is a rolled-up laminate in which a lower electrode layer, a dielectric layer and an upper electrode layer are laminated in this order. The first external electrode is electrically connected to the upper electrode layer, and the second external electrode is electrically connected to the lower electrode layer, and the first external electrode and the second external electrode are respectively located on opposed sides of the cylindrical part such that they face to each other.

Abstract: A roll-up type capacitor that includes a diffusion-preventing layer, a lower electrode layer, a dielectric layer and an upper electrode layer laminated in this order and rolled-up so that the upper electrode layer is present on an inner side, and the diffusion-preventing layer is formed by an atomic layer deposition method.

Abstract: A stacked ceramic capacitor that includes a ceramic body formed by stacking dielectric ceramic layers and internal electrodes mainly composed of Ni; and an external electrode formed on an outer surface of ceramic body. The dielectric ceramic layers are formed by using a dielectric ceramic composition that includes a main ingredient expressed by (KaNabLicM2d)(NbwTaxMgyM4z)O3, where M2 is at least one of Ca, Sr and Ba, M4 is at least one of Zr, Hf and Sn, and a, b, c, d, w, x, y, and z satisfy predetermined relationships; and includes 2 to 15 molar parts of Mn with respect to 100 molar parts of a total content of Nb, Ta, Mg, and M4.

Abstract: A laminate body includes a plurality of ceramic layers and capacitor conductors embedded in the laminate body so as to be opposed to each other via one of the ceramic layers. The capacitor conductors are made of an Al-based material, and the capacitor conductors include narrow portions, respectively, which function as fuse elements. The narrow portions have an average width smaller than an average width of portions of the capacitor conductors other than the narrow portions. As a result, the electronic component has an improved capability to protect its function as a capacitor when a short circuit occurs between capacitor conductors.

Abstract: A steel bar according to one embodiment of the present invention includes predetermined chemical composition, wherein a quenching deflection in a cross section is 1.5 mm or less, wherein ?max and ?min is 1.5 mm or less, wherein a structure in a surface layer area includes 10 area % or less of ferrite and a remainder including one or more selected from a group consisting of a bainite and a martensite, wherein an average value of the grain size of a bcc phase in the surface layer area is 1.0 to 10.0 ?m, wherein an average value of the grain size of the bcc phase in a center area is 1.0 to 15.0 ?m, wherein a hardness of a region of which a depth from the surface is 50 ?m is Hv200 to Hv500, and wherein a total decarburized layer thickness DM-T is 0.20 mm or less.

Abstract: A multilayer ceramic electronic component achieves a high electrostatic capacitance and includes an Al inner electrode superior in smoothness and conductivity. The multilayer ceramic electronic component includes a multilayer body including a plurality of stacked ceramic layers and a plurality of inner electrodes arranged along certain interfaces between the ceramic layers and containing Al as a main component, and an outer electrode located on an outer surface of the multilayer body. A surface of the inner electrode is covered with a layer including a noble metal or Ti as a main component.

Abstract: A dielectric ceramic that can be sintered at a sufficiently low temperature and has a desired specific resistance at a high temperature, and a multilayer ceramic electronic component (a multilayer ceramic capacitor and the like) using the dielectric ceramic are provided. The multilayer ceramic capacitor includes a multilayer body having a plurality of laminated dielectric ceramic layers, and a plurality of internal electrodes at interfaces between the dielectric ceramic layers; and external electrodes 8 and 9 on outer surfaces of the multilayer body. The composition of the multilayer body includes a perovskite-type compound containing Ba and Ti (where a part of Ba may be substituted by Ca, and a part of Ti may be substituted by Zr) as a primary ingredient, and further includes M (where M is at least one of Cu, Zn, Li, K, and Na) and Bi. The total content of M and Bi is equal to or greater than 3 molar parts when the total content of Ti and Zr is 100 molar parts.

Abstract: A stacked ceramic capacitor that includes a ceramic body formed by stacking dielectric ceramic layers and internal electrodes mainly composed of Ni; and an external electrode formed on an outer surface of ceramic body. The dielectric ceramic layers are formed by using a dielectric ceramic composition that includes a main ingredient expressed by (KaNabLicM2d)(NbwTaxMgyM4z)O3, where M2 is at least one of Ca, Sr and Ba, M4 is at least one of Zr, Hf and Sn, and a, b, c, d, w, x, y, and z satisfy predetermined relationships; and includes 2 to 15 molar parts of Mn with respect to 100 molar parts of a total content of Nb, Ta, Mg, and M4.

Abstract: Provided in a dielectric ceramic having flat capacitance characteristics and a high dielectric constant, and a multilayer ceramic electronic component (such as a multilayer ceramic capacitor) in which the dielectric ceramic is used. A multilayer ceramic capacitor includes a multilayer body having a plurality of dielectric ceramic layers and a plurality of internal electrodes, and external electrodes formed on the multilayer body. The composition of the multilayer body includes any of a bismuth layered compound containing Sr, Bi and Ti, a bismuth layered compound containing Sr, Bi and Nb, and a bismuth layered compound containing Ca, Bi and Ti as a primary ingredient, Bi and at least one of Cu, Ba, Zn and Li, and satisfies the conditions that if the Ti content is 400 molar parts or the Nb content is 200 molar parts, then (Bi content-Ti content) or (Bi content-Nb content) is equal to or greater than 1 molar part and less than 7.