A powder containing tungsten carbide has an Fsss particle size of greater than or equal to 0.3 μm and less than or equal to 1.5 μm, and a content rate of the tungsten carbide of greater than or equal to 90% by mass. The powder has a crystallite size (average particle diameter) Y satisfying a relational expression of Y≤0.1×X+0.20 (X: the Fsss particle size of the power containing tungsten carbide).

A powder containing tungsten carbide has an Fsss particle size of greater than or equal to 0.3 μm and less than or equal to 1.5 μm, and a content rate of the tungsten carbide of greater than or equal to 90% by mass. The powder has a crystallite size (average particle diameter) Y satisfying a relational expression of Y≤0.1×X+0.20 (X: the Fsss particle size of the power containing tungsten carbide).

An integrally-formed multi-property monolithic stainless steel component, a method of fabricating a multi-property monolithic stainless steel component, and a system for fabricating a multi-property monolithic stainless steel component. The integrally-formed monolithic stainless steel component includes, along a longitudinal direction thereof, one or more non-magnetic regions having an austenitic crystalline grain structure and one or more magnetic regions having a ferritic martensitic crystalline grain structure. The integrally-formed multi-property monolithic stainless steel component is fabricated by a selective laser sintering (SLS) assembly having integrated therein a plurality of sub-assembly components, including a selective powder deposition component, a selective laser sintering (SLS) component, and a localized cooling component.

An integrally-formed multi-property monolithic stainless steel component, a method of fabricating a multi-property monolithic stainless steel component, and a system for fabricating a multi-property monolithic stainless steel component. The integrally-formed monolithic stainless steel component includes, along a longitudinal direction thereof, one or more non-magnetic regions having an austenitic crystalline grain structure and one or more magnetic regions having a ferritic martensitic crystalline grain structure. The integrally-formed multi-property monolithic stainless steel component is fabricated by a selective laser sintering (SLS) assembly having integrated therein a plurality of sub-assembly components, including a selective powder deposition component, a selective laser sintering (SLS) component, and a localized cooling component.

An aluminum alloy foil having a composition, including Fe: 1.2% by mass or more and 1.8% by mass or less, Si: 0.05% by mass or more and 0.15% by mass or less, Cu: 0.005% by mass or more and 0.10% by mass or less, and Mn: 0.01% by mass or less, with a remainder being Al and inevitable impurities. An average crystal grain size of the aluminum alloy foil is 20 to 30 μm, a maximum crystal grain size/the average crystal grain size is ≤3.0, a Cube orientation density is 5 or more, a Cu orientation density is 20 or less, and an R orientation density is 15 or less.

Disclosed is an alloyed steel powder for powder metallurgy from which sintered parts that do not contain expensive Ni, or Cr or Mn susceptible to oxidation, that have excellent compressibility, and that have high strength in an as-sintered state can be obtained. The alloyed steel powder for powder metallurgy has: a chemical composition containing Mo: 0.5 mass % to 2.0 mass % and Cu: 1.0 mass % to 8.0 mass %, with the balance being Fe and inevitable impurities; and a microstructure in which an FCC phase is present at a volume fraction of 0.5% to 10.0%.

Disclosed is an alloyed steel powder for powder metallurgy from which sintered parts that do not contain expensive Ni, or Cr or Mn susceptible to oxidation, that have excellent compressibility, and that have high strength in an as-sintered state can be obtained. The alloyed steel powder for powder metallurgy has: a chemical composition containing Mo: 0.5 mass % to 2.0 mass % and Cu: 1.0 mass % to 8.0 mass %, with the balance being Fe and inevitable impurities; and a microstructure in which an FCC phase is present at a volume fraction of 0.5% to 10.0%.

A novel medium entropy alloy having the chemical formula Mo.sub.xCrNiCo (atomic %) where (x ranges from ˜0.4 to ˜1.0).

Some variations provide a permanent-magnet structure comprising: a region having a plurality of magnetic domains and a region-average magnetic axis, wherein each of the magnetic domains has a domain magnetic axis that is substantially aligned with the region-average magnetic axis, and wherein the plurality of magnetic domains is characterized by an average magnetic domain size. Within the region, there is a plurality of metal-containing grains characterized by an average grain size, and each of the magnetic domains has a domain easy axis that is dictated by a crystallographic texture of the metal-containing grains. The region has a region-average easy axis based on the average value of the domain easy axis within that region. The region-average magnetic axis and the region-average easy axis form a region-average alignment angle that has a standard deviation less than 30° within the plurality of magnetic domains. Many permanent-magnet structures are disclosed herein.

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 μm or less.