Abstract: This non-oriented electrical steel sheet has a predetermined chemical composition, one or more particles that are a precipitate of a sulfide or an oxysulfide of one or more selected from the group consisting of Mg, Ca, Sr, Ba, Ce, La, Nd, Pr, Zn, and Cd or both the sulfide and the oxysulfide and have a diameter of more than 0.5 ?m are present in a visual field of 10000 ?m2, and, when EBSD observation is performed on a surface parallel to a steel sheet surface, in a case where a total area is indicated by Stot, an area of {100} orientated grains is indicated by S100, an area of orientated grains in which a Taylor factor M becomes more than 2.8 is indicated by Styl, a total area of orientated grains in which the Taylor factor M becomes 2.8 or less is indicated by Stra, an average KAM value of the {100} orientated grains is indicated by K100, and an average KAM value of the orientated grains in which the Taylor factor M becomes more than 2.8 is indicated by Ktyl, 0.20?Styl/Stot?0.85, 0.05?S100/Stot?0.

Abstract: A non-oriented electrical steel sheet of the present invention has a chemical composition capable of causing ?-? transformation, and contains 0.0005% to 0.0050% of Ti, in which, in a case where an area ratio of grains having a crystal orientation of an {hkl}<uvw> orientation (within a tolerance of 10°) when measured by EBSD is denoted as Ahkl-uvw, A411-011 is 15.0% or more, and the non-oriented electrical steel sheet has an average grain size of 10.0 ?m to 40.0 ?m.

Abstract: A non-oriented electrical steel sheet of the present invention has a chemical composition capable of causing ?-? transformation, and contains 0.0005% to 0.0050% of Ti, in which, in a case where an area ratio of grains having a crystal orientation of an {hkl}<uvw> orientation (within a tolerance of 10°) when measured by EBSD is denoted as Ahkl-uvw, A411-011 is 15.0% or more, and the non-oriented electrical steel sheet has an average grain size of 10.0 ?m to 40.0 ?m.

Abstract: A non-oriented electrical steel sheet of the present invention has a chemical composition capable of causing ?-? transformation, in which, in a case where an area ratio of grains having a crystal orientation of an {hkl}<uvw>orientation (within a tolerance of 10°) when measured by EBSD is denoted as Ahkl-uvw, A411?011 is 15.0% or more, and the non-oriented electrical steel sheet has an average grain size of 10.0 ?m to 40.0 ?m.

Abstract: This non-oriented electrical steel sheet includes a base steel sheet (10); and an insulation coating (20) formed on a surface of the base steel sheet (10), in which the insulation coating (20) contains a metal phosphate and an organic resin, an arithmetic mean of a center line average roughness Ra75 of the insulation coating (20) in a rolling direction of the base steel sheet (10) and a center line average roughness Ra75 of the insulation coating (20) in a direction perpendicular to the rolling direction is 0.20 to 0.50 ?m, and the amount of nitrogen in the insulation coating (20) is 0.05 to 5.00 mass %.

Abstract: A non-oriented electrical steel sheet according to the present invention has a chemical composition in which ?-? transformation can occur and which contains at least, in terms of mass %, at most 0.010% of C, 1.50% to 4.00% of Si, 0.0001% to 1.0% of sol. Al, at most 0.010% of S, at most 0.010% of N, and a total of 2.50% to 5.00% of at least one selected from the group consisting of Mn, Ni, and Cu, with the balance including Fe and impurities, wherein when an average grain size of {411} crystal grains is defined as d411 and an average grain size of {111} crystal grains is defined as d111, d411/d111?1.10.

Abstract: This non-oriented electrical steel sheet contains a base material having a chemical composition including, in mass %, Si: 3.2 to 4.5%, wherein the tensile strength is 550 MPa or more, and a ratio (P120B/Fe700B)B between a peak-to-peak height Fe700B of Fe at 700 eV and a peak-to-peak height P120B of P at 120 eV when crystal grain boundaries are measured through Auger electron spectroscopy is not more than twice a ratio (P120i/Fe700i)i between a peak-to-peak height Fe700i of Fe at 700 eV and a peak-to-peak height P120i of P at 120 eV when the inside of crystals is measured through Auger electron spectroscopy.

Abstract: This non-oriented electrical steel sheet has a predetermined chemical composition, and in which the tensile strength is 580 MPa or more, the average grain size of a recrystallization part of base iron is 50 ?m or less, and in inclusions having an equivalent circle diameter of 1 ?m or more and an S content of 5 mass % or more contained in base iron, the number of inclusions having a Mg content of more than 5 mass % and a Mn content of 5 mass % or more is 5 times or more the number of inclusions having a Mg content of 5 mass % or less and a Mn content of 5 mass % or more.

Abstract: An electrical steel sheet used for a laminated core is an electrical steel sheet including an insulation coating 3 on a surface of a base steel sheet 2, the insulation coating being coated with a coating composition for an electrical steel sheet. The coating composition for an electrical steel sheet includes: an epoxy resin; an epoxy resin curing agent; and an elastomer-modified phenolic resin, in which the amount of the elastomer-modified phenolic resin is 10 parts by mass to 100 parts by mass with respect to 100 parts by mass of the epoxy resin.

Abstract: This non-oriented electrical steel sheet includes: a base steel sheet; and an insulation coating formed on a surface of the base steel sheet, in which the insulation coating contains a metal phosphate and an organic resin, a moisture content of the insulation coating is 0.003 to 0.03 wt %, and a contact angle of water on the insulation coating is 55° to 85°.

Abstract: An electrical steel sheet that is used for laminated cores is an electrical steel sheet having an insulating coating 3 formed by applying a coating composition for an electrical steel sheet on a surface of a base material steel sheet 2, and, in the coating composition for an electrical steel sheet, an epoxy resin, a first curing agent composed of a phenolic resin including a phenol skeleton having any one or both of an alkyl group and an alkoxy group and a second curing agent of one or more selected from the group consisting of a phenolic resole resin and a phenolic novolac resin are blended at specific fractions.

Abstract: This electrical steel sheet includes a base steel sheet, a first insulation coating formed on a first surface of the base steel sheet and having adhesiveness, and a second insulation coating formed on a second surface of the base steel sheet which is a back surface to the first surface and having adhesiveness, in which an average pencil hardness of the first insulation coating is HB or higher and 3 H or lower, and an average pencil hardness of the second insulation coating is higher than the average pencil hardness of the first insulation coating.

Abstract: A coating composition for an electrical steel sheet including an epoxy resin, an epoxy resin by latent curing agent, and a thermoplastic elastomer, wherein the thermoplastic elastomer has a melting point of 100° C. or higher and 200° C. or lower and a bending elastic modulus of more than 5 MPa and 100 MPa or less, and wherein the amount of the thermoplastic elastomer with respect to a total amount of 100 parts by mass of the epoxy resin and the epoxy resin by latent curing agent is 10 parts by mass or more and less than 40 parts by mass.

Abstract: An electrical steel sheet used for a laminated core is an electrical steel sheet including an insulation coating 3 on a surface of a base steel sheet 2, the insulation coating being coated with a coating composition for an electrical steel sheet. The coating composition for an electrical steel sheet contains an epoxy resin, a first curing agent including an alkylphenol, and a second curing agent including either one or both of a phenol resol resin and a phenol novolac resin formulated in specific proportions.

Abstract: This coating composition for an electrical steel sheet contains an epoxy resin, a phenolic curing agent (A) and one or more amine-based curing agents (B) selected from the group consisting of an aromatic amine and dicyandiamide, the amount of the phenolic curing agent (A) is 1 to 40 parts by mass with respect to 100 parts by mass of the epoxy resin, and the amount of the amine-based curing agents (B) is 0.5 to 5 parts by mass with respect to 100 parts by mass of the epoxy resin.

Abstract: This coating composition for an electrical steel sheet is a coating composition for an electrical steel sheet containing an epoxy resin, a high-temperature curing agent, and inorganic fine particles, wherein a content of the high-temperature curing agent with respect to 100 parts by mass of the epoxy resin is 5 to 30 parts by mass, wherein the inorganic fine particles are one or more selected from metal hydroxides, metal oxides that react with water at 25° C. to become metal hydroxides and silicate minerals having a hydroxyl group, wherein the volume average particle diameter of the inorganic fine particles is 0.05 to 2.0 ?m, wherein a content of the epoxy resin with respect to a total mass of the coating composition for an electrical steel sheet is 45 mass % or more, and wherein a content of the inorganic fine particles with respect to 100 parts by mass of the epoxy resin is 1 to 100 parts by mass.

Abstract: A non-oriented electrical steel sheet has a predetermined chemical composition. The chemical composition satisfies (2×[Mn]+2.5×[Ni]+[Cu])?([Si]+2×[sol.Al]+4×[P])?1.50%. In a case where Ahkl-uvw represents the area ratio of crystal grains in an {hkl}<uvw> orientation to the entire visual field when a plane at a depth of ½ of a sheet thickness from a surface parallel to a rolled surface is measured by SEM-EBSD, A411-011 is 15.0% or more, and the average grain size is 50 ?m to 150 ?m.

Abstract: Provided is a method of manufacturing a laminated core by punching electrical steel strips including an insulation coating to obtain core single sheets and laminating the core single sheets, the method including: pressurizing two or more electrical steel strips using a guide roller to temporarily bond the electrical steel strips immediately before the punching; and obtaining the core single sheets by performing the punching after inserting the two or more electrical steel strips after the temporary bonding into a punching die.

Abstract: This electrical steel sheet includes a base steel sheet, a first insulation coating formed on a first surface of the base steel sheet and having adhesiveness, and a second insulation coating formed on a second surface of the base steel sheet which is a back surface to the first surface and having adhesiveness, in which an average pencil hardness of the first insulation coating is HB or higher and 3H or lower, and an average pencil hardness of the second insulation coating is higher than the average pencil hardness of the first insulation coating.