Abstract: The present invention relates to a metal powder containing: 0.001 mass %?C?0.45 mass %, 0.01 mass %?Si?3.50 mass %, Mn?2.0 mass %, 7.5 mass %?Cr?21.0 mass %, 1.5 mass %?Ni?7.0 mass %, Mo?1.3 mass %, 0.05 mass %?V?2.0 mass %, Al?0.015 mass %, and N?0.20 mass %, with the balance being Fe and unavoidable impurities, satisfying 0.05 mass %?C+N?0.58 mass %, and satisfying: 10<15C+Mn+0.5Cr+Ni<20 and Creq/Nieq<5.6, where Creq=Cr+Mo+1.5Si+0.5Nb, and Nieq=Ni+30C+30N+0.5Mn.

Abstract: The present invention relates to a steel for a mold including: on % by mass basis, 0.55%?C?0.70%; 0.30%?Si?0.60%; 0.55%?Mn?1.2%; 5.7%?Cr?6.9%; 1.2%?Mo+W/2?1.6%; 0.55%?V?0.79%; and 0.005%?N?0.1%, with the remainder being Fe and inevitable impurities including, Al?0.020%, Ni?0.20%, S?0.0015%, and Cu?0.10%, and satisfying P1?24 and 4.9?P2?7.3, P1 and P2 being a value obtained based on the following formula (1) and (2), respectively, P1=45?13.6[Si]?7.0([Mo]+[W]/2)?12.9[Ni] (1), P2=7.4[V]+15.8[N]+38.6[Al] (2) in which [M] represents a content of an element M in % by mass basis, and relates to a mold including the steel for a mold.

Abstract: An Fe-based alloy for melting-solidification shaping including, in mass %: 18.0?Co<25.0; 12.0?Mo+W/2?20.0; 0.2?Mn?5.0; 0.5?Ni?10.0; and 0?Si?1.0, with the balance being Fe and unavoidable impurities, and satisfying the following expressions (1) and (2) when [M] represents a content of an element M expressed in mass % basis, 58?[Co]+3([Mo]+[W]/2)?95 (1), A/B?1.6 (2) where A=[Co]+[Ni]+3[Mn], and B=[Mo]+[W]/2+[Si], in which when the Fe-based alloy includes no Mo, the expressions (1) and (2) are calculated using [Mo]=0, when the Fe-based alloy includes no Si, the expression (2) is calculated using [Si]=0, and when the Fe-based alloy includes no W, the expressions (1) and (2) are calculated using [W]=0.

Abstract: The present invention relates to a steel for a mold, including 0.070?C?0.130 mass %, 0.01?Si?0.60 mass %, 0.02?Mn?0.60 mass %, 0.003?P?0.150 mass %, 0.005?Cu?1.50 mass %, 0.005?Ni?0.80 mass %, 7.50?Cr?8.40 mass %, 0.70?Mo?1.20 mass %, 0.01?V?0.30 mass %, 0.010?Al?0.120 mass %, and 0.015?N?0.095 mass %, with the balance being Fe and unavoidable impurities. The steel for a mold according to the present invention satisfies all of 6 properties of SA property, tempering hardness, residual stress, machinability, impact value and corrosion resistance.

Abstract: The present invention relates to a Fe-based alloy for melt-solidification-shaping containing: 0.05 mass %?C?0.25 mass %, 0.01 mass %?Si?2.0 mass %, 0.05 mass %?Mn?2.5 mass %, 2.5 mass %?Ni?9.0 mass %, 0.1 mass %?Cr?8.0 mass %, and 0.005 mass %?N?0.200 mass %, with the balance being Fe and unavoidable impurities, and satisfying: 11.5<15C+Mn+0.5Cr+Ni<20.

Abstract: The present invention relates to a negative electrode active material for a lithium-ion battery, containing a Si phase, a Si—Zr compound phase, and a Sn—X compound phase in which X is at least one element selected from the group consisting of Cu, Ti, Co, Fe, Ni, and Zr, the Sn—X compound phase has a proportion of 0.1 mass % to 18 mass % to the whole, and the Si phase has a proportion of 10 mass % to 80 mass % to the whole.

Abstract: The present invention relates to a hard particle powder for a sintered body, the powder including, in terms of mass %, 0.01?C?1.0, 2.5?Si?3.3, 0.1?Ni?20.0, 5.0?Cr?15.0, and 35.0?Mo?45.0, with the balance being Fe and inevitable impurities, in which the powder before performing sintering comprises an alloy phase comprising a hexagonal crystal structure of C14 type Laves phase.

Abstract: The titanium alloy coating film of the present invention is represented by (Ti1-aMoa)1-xNx, which satisfies 0.0423 a?0.32 and 0.40?x?0.60 and in which the film hardness thereof satisfies at least a condition of 3,000 HV or more; and the titanium alloy target material is represented by Ti1-aMoa, which satisfies 0.04?a?0.32, and in which, when an X-ray diffraction profile is measured on a surface of the target material, a diffraction peak intensity attributed to a single metal phase of Mo is not detected.

Abstract: The present invention relates to a metal powder including 0.1?C?0.4 mass %, 0.005?Si?1.5 mass %, 0.3?Mn?8.0 mass %, 2.0?Cr?15.0 mass %, 2.0?Ni?10.0 mass %, 0.1?Mo?3.0 mass %, 0.1?V?2.0 mass %, 0.010?N?0.200 mass %, and 0.01?Al?4.0 mass %, with the balance being Fe and unavoidable impurities, and satisfying the following expression (1), 10<15[C]+[Mn]+0.5[Cr]+[Ni]<20 (1), in which [C], [Mn], [Cr] and [Ni] respectively represent the contents of C, Mn, Cr and Ni by mass %.

Abstract: An Sm—Fe—N magnet material includes from 7.0 at % to 12 at % of Sm, from 0.1 at % to 1.5 at % of at least one element selected from the group consisting of Hf and Zr, from 0.05 at % to 0.5 at % of C, from 10 at % to 20 at % of N, and from 0 at % to 35 at % of Co, with a remainder being Fe and unavoidable impurities.

Abstract: The present invention relates to an R-T-B-based sintered magnet including: a rare earth element R; a metal element T which is Fe, or includes Fe and Co with which a part of Fe is substituted; boron; and a boride forming element M which is a metal element other than rare earth elements and the metal element T and forms a boride, in which the R-T-B-based sintered magnet includes: a main phase which includes a crystal grain of an R-T-B-based alloy; and a boride phase which includes a compound phase based on the boride of the boride forming element M, and is generated on a preferential growth plane of the crystal grain of the main phase.

Abstract: The present invention relates to an Ni-based alloy which is excellent in terms of wear resistance and high-temperature corrosion resistance and which includes 0.3?C?1.0 mass %, 36.0?Cr?50.0 mass %, and 3.0?Al?7.0 mass %, with the balance being Ni and unavoidable impurities, and relates to an Ni-based alloy product made of the Ni-based alloy according to the present invention, and methods for producing the Ni-based alloy product.

Abstract: The present invention relates to a steel for mold, containing: 0.28 mass %?C?0.65 mass %, 0.01 mass %?Si?0.30 mass %, 1.5 mass %?Mn?3.0 mass %, 0.5 mass %?Cr?1.4 mass %, 1.9 mass %?Mo+W/2?4.0 mass %, 0.2 mass %?V?1.0 mass %, and 0.01?N?0.10 mass %, with the balance being Fe and inevitable impurities, in which, in a state after quenching and tempering, the steel has: a (Mo, W) carbide having a diameter of 0.2 ?m or less being in an amount of 1.2 mass % or more, a ratio (mass ratio) of the amount of the (Mo, W) carbide to an amount of a Cr carbide being 11 or more, and a hardness change of 15 HRC or less.

Abstract: The present invention relates to an RFeB-based sintered magnet having a composition including: 24-31% by mass of at least one element selected from the group consisting of Nd, Pr, La and Ce; 0.1-6.5% by mass of at least one element selected from the group consisting of Dy and Tb; 0.8-1.4% by mass of B; 0.03-0.2% by mass of at least one element selected from the group consisting of Zr, Ti, Hf and Nb; 0.8-5.5% by mass of Co; 0.1-1.0% by mass of Cu; and 0.1-1.0% by mass of Al, with a remainder being Fe and unavoidable impurities, in which the composition has a total content of Cu and Al being higher than 0.5% by mass.

Abstract: The present invention relates to a soft magnetic alloy containing: Ni, and at least one element selected from the group consisting of Al, Si and V, with the balance being Fe and inevitable impurities, in which, when the content of Ni and the total content of Al, Si and V are expressed by [Ni] and [M], respectively in mass %, and a relationship between [Ni] and [M] is plotted, the coordinate ([Ni], [M]) is present in a region surrounded by the straight lines A, B, C, D, and E.

Abstract: The present invention relates to a steel for a mold, having a composition containing, in mass %, 0.045?C?0.090, 0.01?Si?0.50, 0.10?Mn?0.60, 0.80?Ni?1.10, 6.60?Cr?8.60, 0.01?Mo?0.70, 0.001?V?0.200, 0.007?Al?0.150, and 0.0002?N?0.0500, with the balance being Fe and unavoidable impurities.

Abstract: An electromagnetic valve used in a fuel system, in which at least a portion of a member constituting an magnetic circuit in an electromagnetic drive unit includes 0.15-0.45 mass % (inclusive) Ni, 0.65-1.0 mass % (inclusive) Al, 9.2-10.3 mass % (inclusive) Cr, and 0.90-1.6 mass % (inclusive) Mo, and the remainder comprises an alloy material comprising Fe and unavoidable impurities. The alloy material may further include 0.05-0.15 mass % (inclusive) Pb.

Abstract: The present invention relates to an RFeB-based magnet in which a treatment (grain boundary diffusion treatment) for diffusing atoms of the heavy rare earth element RH is performed in a base material including an RLFeB-based sintered magnet obtained by subjecting crystal grains in a raw-material powder including a powder of an RLFeB-based alloy containing the light rare earth element RL, Fe and B to orientation in a magnetic field and then sintering the oriented raw-material powder, or an RLFeB-based hot-deformed magnet obtained by subjecting the same raw-material powder to hot pressing and then to hot deforming to thereby orient the crystal grains in the raw-material powder, and a method for producing the RFeB-based magnet.

Abstract: The present invention relates to a steel for a mold, which has a composition containing, on % by mass basis: 0.35%?C?0.40%, 0.003%?Si?0.20%, 0.72%?Mn?0.94%, 5.65%?Cr?6.00%, 1.65%?Mo?2.00%, 0.71%?V?0.90%, and 0.001%?N?0.080%, with the balance being Fe and inevitable impurities.

Abstract: The present invention relates to an RFeB-based magnet in which a treatment (grain boundary diffusion treatment) for diffusing atoms of the heavy rare earth element RH is performed in a base material including an RLFeB-based sintered magnet obtained by subjecting crystal grains in a raw-material powder including a powder of an RLFeB-based alloy containing the light rare earth element RL, Fe and B to orientation in a magnetic field and then sintering the oriented raw-material powder, or an RLFeB-based hot-deformed magnet obtained by subjecting the same raw-material powder to hot pressing and then to hot deforming to thereby orient the crystal grains in the raw-material powder, and a method for producing the RFeB-based magnet.