Abstract: A feedstock for a 3D manufacturing process, in particular a Fused Filament Fabrication process. The feedstock includes (P) sinterable particles made of a metal, metal alloy, glass, ceramic material, or a mixture thereof; and (B) a binder composition including (b1) 5-15% by weight, relative to the total weight of the binder composition, of a polymeric compatibilizer, and (b2) 85-95% by weight, relative to the total weight of the binder composition, of a polymeric binder component, the polymeric binder component being selected from the group consisting of (b2-1) a polymer mixture or polymer alloy, the mixture or alloy including at least a first and a second polymer; (b2-2) one, two or more block copolymers, including at least a first polymer block and second polymer block; and (b2-3) mixtures of (b2-1) and (b2-2), wherein the amount of sinterable particles P is 40 Vol % or more of the composition.

Abstract: Embodiments of the present invention may provide a new stainless steel powder suitable for manufacturing of duplex sintered stainless steels. Embodiments of the present invention may also relate to a method for producing the stainless steel powder, the duplex sintered stainless steel as well as methods for producing the duplex sintered stainless steel.

Abstract: Powder metallurgy, in particular production of tungsten monocarbide spherical powders, which is a major component of metalloceramic hard alloys used for manufacture of tools, drill bits, steel alloying, wear-resistant coating cladding at elements operating in intensive wear conditions. The method includes melting of the starting material, and melt atomization with forming of spherical powder. As starting material a tungsten monocarbide grit is used. Melting and atomization of the material is implemented by continuous filling of grit into a rotating crucible of a centrifugal atomization device under an inert atmosphere and melting it by a plasma arc. After that an annealing of the obtained powder is made at a temperature of 1200-1400° C. during a time necessary for W2C breakup with subsequent cooling of the powder in a furnace. And, the production of tungsten monocarbide spherical powder with WC content of more than 70%.

Abstract: An inductive device and method for manufacturing an inductive device. The inductive device including: a magnetic core forming a void, the magnetic core including an outer and inner core portion, the magnetic core forming a first gap between a first part of the inner core portion a second part of the magnetic core, the first part of the inner core portion including an inner surface defining a first through hole; a sealing member accommodated at least partly in the first through hole, the sealing member including an outer surface forming a first seal with the inner surface defining the first through hole, such that at least a part of the first through hole is sealed from the first gap; a winding accommodated in the void of the magnetic core, the winding defining a first axial direction; and a cured material provided within at least a part of the first gap.

Abstract: An inductive device and a manufacturing method. The inductive device including: a magnetic core forming a void and a void opening; a winding accommodated in the void of the magnetic core; at least one lead wire extending from the winding; a cured material provided at least at a part of the void opening; and at least one rigid terminal element connected to the winding via the at least one lead wire, the at least one rigid terminal element being partly embedded in and protruding from the cured material.

Abstract: The present invention concerns an iron-based powder composition comprising, in addition to an iron-based powder, a minor amount of a machinability enhancing additive, said additive comprising at least halloysite. The invention further concerns the use of the machinability enhancing additive and a method for producing an iron-based sintered component for easy machining.

Abstract: The present invention provides a low cost pre-alloyed iron based powder which has high compressibility, capable of rendering a compacted and sintered component high green density, (GD), and high sintered density, (SD). Also, a method or process for producing components, especially gears, including compaction of powder mixture containing the pre-alloyed iron-based powder, sintering of the compacted component, Low Pressure carburizing, (LPC), High Pressure Gas Quenching, (HPGQ), and tempering, is provided. In one embodiment, the process includes high temperature sintering. Other aspects of the present invention include a powder mixture containing the pre-alloyed iron based powder and components produced by the new process from the powder mixture. Such carburized components exhibit a hard surface combined with a softer and tougher core, necessary properties for e.g. automotive gears subjected to harsh environment.

Abstract: The present invention concerns a method of making sintered components made from an iron-based powder composition and the sintered component per se. The method is especially suited for producing components which will be subjected to wear at elevated temperatures, consequently the components consists of a heat resistant stainless steel with hard phases including chromium carbo-nitrides. Examples of such components are parts in turbochargers for internal combustion engines.

Abstract: A process for manufacturing metal containing powder, the process including the steps of: (a) mixing at least one metal oxide powder with Ca or Mg granules and/or calcium hydride in granule or powder form to form a mixture; (b) maintaining said mixture under an H2 atmosphere, at a temperature between 1000° C. and 1500° C. for 1-10 hours, followed by: (c) recovering metal containing powder. Metal hydride powder may be recovered. The process may further include between steps (b) and (c): (d) switching the H2 atmosphere to an Ar atmosphere and maintaining the mixture thereunder for a period of 20 minutes to 5 hours, followed by: (e) cooling under Ar atmosphere, wherein metal powder is recovered in step (c).

Abstract: A metal powder composition including: an iron or iron-based powder composition, and a lubricating combination including a substance A, a substance B, and a substance C; wherein: substance A is a polyolefin, substance B is chosen from a group of saturated and unsaturated fatty acid amides, saturated and unsaturated fatty acid bisamides, saturated fatty alcohols and fatty acid glycerols, and substance C is an amide oligomer having a molecular weight between 500 g/mol and 30 000 g/mol; and wherein the amounts of respective substances A, B and C in weight percent of the iron or iron-based powder composition are: 0.05?A+B<0.4 wt %, C?0.3 wt %, A+B+C?2.0 wt %, and the relation between substances A and B is: B/A>0.5. Also, a method of producing a metal powder composition and a method for producing a green component.

Abstract: A hub electric motor unit for a motor-driven or motor-assisted vehicle, the vehicle comprising a frame, a wheel having a hub and a wheel rim connected to the hub by a plurality of spokes; the hub electric motor unit comprising a shaft connectable to the frame of the vehicle, a stator unit mounted on the hub shaft, a rotor disposed around and coaxially with the hub shaft; a hub shell rotatably mounted on the hub shaft, wherein the hub shell comprises two cap members axially disposed on respective sides of the rotor; wherein each cap member comprises a connecting part for connecting a respective subset of the spokes.

Abstract: A powder for use in the powder metallurgical manufacture of components is provided. Particularly the subject matter concerns an iron or iron based powder intended for the powder metallurgical manufacturing of components. It is especially suitable for manufacturing of components wherein self-lubricating properties are desired. The subject matter further relates to a method of manufacturing a component from said powder and an accordingly produced component. A diffusion-bonded powder comprising iron or iron-based particles, and particles diffusion-bonded to the iron or iron-based particles is provided. The said particles diffusion-bonded to the iron or iron-based particles may comprise an alloy of Cu and 5% to 15% by weight of Sn. A component is provided which is at least partly formed from such a diffusion-bonded powder.

Abstract: A pre-alloyed iron-based powder is provided including small amounts of alloying elements which make possible a cost efficient manufacture of sintered parts. The pre-alloyed iron-based powder comprises 0.2-1% by weight of Cr, 0.05-0.3% by weight of Mo, 0.1-1% by weight of Ni, 0.09-0.3% by weight of Mn, 0.01% by weight or less of C, less than 0.25% by weight of O, and less than 1% by weight of inevitable impurities, the balance being iron.

Abstract: According to one aspect, there is provided an inductor core including: an axially extending core member, an axially extending external member at least partly surrounding the core member, thereby forming a space around the core member for accommodating a winding between the core member and the external member, a plate member presenting a radial extension and being provided with a through-hole, wherein the core member is arranged to extend into the through-hole, wherein the plate member is a separate member from the core member and the external member and is adapted to be assembled with the core member and the external member, wherein a magnetic flux path is formed which extends through the core member, the plate member and the external member.

Abstract: A powder metallurgical combination is provided comprising an iron-based powder A comprising core particles of iron to which core particles nickel is diffusion alloyed and wherein said nickel diffusion alloyed to said core particles comprises 4-7% (preferably 4.5-6%) by weight of said iron-based powder A, and a powder B substantially consisting of particles of pure iron. Further a method is provided for preparing a powder metallurgical combination.

Abstract: Disclosed is a stator device adapted to be arranged in an electrical machine, where the electrical machine further includes a moving device, where the stator device is a multi-phase stator device, where the phases are arranged side-by-side in a direction perpendicular to direction of motion of the moving device, and where each phase comprises a first stator core section having a set of teeth, a second stator core section having a set of teeth, and a coil, and where the teeth are arranged to protrude towards the moving device; and wherein at least two neighboring phases share a stator core section, so that the first stator core section of a first phase and a second stator core section of a second phase is formed as a single unit.

Abstract: An iron-based powder composition is provided comprising, in addition to an iron-based powder, a minor amount of a machinability improving additive comprising at least one silicate from the group of phyllosilicates. The technology further concerns the use of the machinability improving additive and a method for producing an iron-based sintered part having improved machinability.

Abstract: A bonded metallurgical powder composition including: an iron-based powder having a weight average particle size in the range of 20-60 ?m, in an amount of at least 80 percent by weight of the composition, graphite powder in an amount between 0.15-1.0 percent by weight of the composition, a binding agent in an amount between 0.05-2.0 percent by weight of the composition, a flow agent in an amount between 0.001-0.2 percent by weight of the composition; wherein the graphite powder is bound to the iron-based powder particles by means of the binding agent, and wherein the powder composition has an apparent density of at least 3.10 g/cm3 and a hall flow rate of at most 30 s/50 g. Also, a method for producing a sintered component with improved strength from the inventive composition, as well as to a heat treated sintered component produced according to said method.

Abstract: A permanent magnet machine is provided including a stator and a rotor, the rotor being adapted to rotate relative to the stator, the rotor including a plurality of permanent magnets separated in the circumferential direction from each other by radially extending rotor pole pieces for concentrating the magnetic flux from the permanent magnets, the stator having a structure that defines radial limits of an air gap between the stator and the rotor for communicating magnetic flux between the stator and the rotor, wherein at least some of the permanent magnets extend radially outside the radial limits of the air gap as defined by the stator structure.