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 R.sup.H is performed in a base material including an R.sup.LFeB-based sintered magnet obtained by subjecting crystal grains in a raw-material powder including a powder of an R.sup.LFeB-based alloy containing the light rare earth element R.sup.L, Fe and B to orientation in a magnetic field and then sintering the oriented raw-material powder, or an R.sup.LFeB-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.

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 R.sup.H is performed in a base material including an R.sup.LFeB-based sintered magnet obtained by subjecting crystal grains in a raw-material powder including a powder of an R.sup.LFeB-based alloy containing the light rare earth element R.sup.L, Fe and B to orientation in a magnetic field and then sintering the oriented raw-material powder, or an R.sup.LFeB-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.

A method for the manufacturing of an object. The method includes receiving a desired alloy composition for the object, depositing a plurality of foils in a stack to form the object, applying heat to the stack at a first temperature to bond the plurality of foils to each other, and applying heat to the stack at a second temperature to homogenize the composition of the stack. The homogenized stack has the desired alloy composition.

Methods for manufacturing dual phase soft magnetic components include combining a plurality of soft ferromagnetic particles with a plurality of paramagnetic particles to form a component structure, wherein the plurality of soft ferromagnetic particles each comprise an electrically insulative coating, and, heat treating the component structure to consolidate the plurality of soft ferromagnetic particles with the plurality of paramagnetic particles.

A bulk dual phase soft magnetic component having a three-dimensional magnetic flux and its manufacturing methods are described herein. The methods can include combining a first powder material with a second powder material to form a component structure, wherein the first powder material comprises a plurality of first particles each comprising a first core and a reactive coating, and wherein the second powder material comprises a plurality of second particles each comprising a second core and a non-reactive coating, and, consolidating the component structure to join the plurality of first particles with the plurality of second particles.

In order to stably produce a structured article made of a metal with a complex shape, such as a turbine stator blade, while securing a sufficient mechanical strength, there is provided a method for manufacturing a cobalt-based alloy structure, the cobalt-based alloy structure including a first structure region comprising a hollow space and a second structure region filled in the hollow space. The method includes the steps of: forming the first structure region by additive manufacturing from a first cobalt-based alloy powder having a particle size distribution within a range of 5-85 μm and in D90 within a range of 40-80 μm; and forming the second structure region in the hollow space by hot isostatic pressing, the hollow space being filled with a second cobalt-based alloy powder with a particle size distribution within a range of 5-85 μm and in D90 within a range of 40-80 μm.

In order to stably produce a structured article made of a metal with a complex shape, such as a turbine stator blade, while securing a sufficient mechanical strength, there is provided a method for manufacturing a cobalt-based alloy structure, the cobalt-based alloy structure including a first structure region comprising a hollow space and a second structure region filled in the hollow space. The method includes the steps of: forming the first structure region by additive manufacturing from a first cobalt-based alloy powder having a particle size distribution within a range of 5-85 μm and in D90 within a range of 40-80 μm; and forming the second structure region in the hollow space by hot isostatic pressing, the hollow space being filled with a second cobalt-based alloy powder with a particle size distribution within a range of 5-85 μm and in D90 within a range of 40-80 μm.

A three-dimensional shaping apparatus includes a stage, a first material supply unit that supplies a first material, a second material supply unit that supplies a second material, a laser irradiation unit, and a control unit that controls the laser irradiation unit separately between a first laser irradiation scan and a second laser irradiation scan, wherein when a first material region and a second material region are adjacently disposed in the shaped layer for one layer, the control unit irradiates the first material region with a laser in the first laser irradiation scan, and irradiates the second material region with a laser in the second laser irradiation scan.

A three-dimensional shaping apparatus includes a stage, a first material supply unit that supplies a first material, a second material supply unit that supplies a second material, a laser irradiation unit, and a control unit that controls the laser irradiation unit separately between a first laser irradiation scan and a second laser irradiation scan, wherein when a first material region and a second material region are adjacently disposed in the shaped layer for one layer, the control unit irradiates the first material region with a laser in the first laser irradiation scan, and irradiates the second material region with a laser in the second laser irradiation scan.

A three-dimensional shaping apparatus includes a stage, a first material supply unit that supplies a first material, a second material supply unit that supplies a second material having a thermal expansion coefficient larger than a thermal expansion coefficient of the first material, a laser irradiation unit, and a control unit that controls the laser irradiation unit by selecting a first laser irradiation mode and a second laser irradiation mode in which heat diffusion to a lower layer is smaller than in the first laser irradiation mode, wherein the control unit controls the laser irradiation unit by selecting the second laser irradiation mode when a second material shaped layer is formed on a first material shaped layer, and the second material shaped layer is irradiated with a laser from the laser irradiation unit.