A method includes depositing a layer of alloy particles including rare earth permanent magnet phase above a substrate, laser scanning the layer while cooling the substrate to melt the particles, selectively initiate crystal nucleation, and promote columnar grain growth in a same direction as an easy axis of the rare earth permanent magnet phase. The method also includes repeating the depositing and scanning to form bulk anisotropic rare earth alloy magnet with aligned columnar grains.

A component has a matrix phase composed of at least one material selected from the group molybdenum, a molybdenum-based alloy, tungsten, a tungsten-based alloy and a molybdenum-tungsten-based alloy. The component is manufactured using a laser or electron beam in an additive manufacturing process. The molybdenum content, the tungsten content or the total content of molybdenum and tungsten is more than 85 at %, and the component contains particulates having a melting point above the melting point of the matrix phase.

A component has a solid structure that is manufactured using a laser or electron beam in an additive manufacturing process. The solid structure is formed from at least one material selected from the group consisting of molybdenum, a molybdenum-based alloy, tungsten, a tungsten-based alloy, and a molybdenum-tungsten-based alloy. The component includes one or more alloying element which at least in the temperature range 1500° C. has/have a reducing effect, as follows: in the case of molybdenum and the molybdenum-based alloy, for MoO.sub.2 and/or MoO.sub.3; in the case of tungsten and the tungsten-based alloy, for WO.sub.2 and/or WO.sub.3; and, in the case of the molybdenum-tungsten-based alloy, for at least one oxide from the group of MoO.sub.2, MoO.sub.3, WO.sub.2 and WO.sub.3. The alloying element, or at least one of the alloying elements, is present both in at least partially unoxidized form and in oxidized form.

In various embodiments, metallic alloy powders are utilized as feedstock, or to fabricate feedstock, utilized in additive manufacturing processes to form three-dimensional metallic parts. Such three-dimensional parts are fabricated by providing a powder bed containing particles each comprising a mixture and/or alloy of constituent elemental metals, forming a first layer of the part by (i) dispersing a binder into the powder bed, and (ii) curing the binder, the first layer of the shaped part comprising particles bound together by cured binder, disposing a layer of the particles over the first layer of the part, forming subsequent layers of the part, and then sintering the part.

A process line tool of a cemented carbide comprising in wt %; about 2.9-11 Ni; about 0.1-2.5 Cr.sub.3C.sub.2; and about 0.1-1 Mo; and a balance of WC, with an average WC grain size less than or equal to 0.5 μm.

In various embodiments, additive manufacturing is utilized to fabricate three-dimensional metallic parts using metallic alloy wire as a feedstock material.

The present invention disclosed a method of producing a three-dimensional porous tissue in-growth structure. The method includes the steps of depositing a first layer of metal powder and scanning the first layer of metal powder with a laser beam to form a portion of a plurality of predetermined unit cells. Depositing at least one additional layer of metal powder onto a previous layer and repeating the step of scanning a laser beam for at least one of the additional layers in order to continuing forming the predetermined unit cells. The method further includes continuing the depositing and scanning steps to form a medical implant.

The present disclosure provides an electronic paste composition and a preparation method thereof. The electronic paste composition includes tungsten, manganese, an additive, and an organic vehicle, wherein the additive is selected from at least one of ruthenium, tellurium, germanium, and vanadium. The preparation method includes: mixing tungsten powder and manganese powder with the additive, and then bringing a mixture as acquired into contact with the organic vehicle. In addition, the present disclosure further provides a use of the electronic paste composition in preparing a ceramal heat generation body having a low temperature coefficient of resistance. Each of the electronic paste composition according to the present disclosure and the electronic paste prepared by the method according to the present disclosure has a consistent and low temperature coefficient of resistance.

A casting insert includes a casting insert wall formed substantially of a liquid-phase-sintered refractory metal alloy, a cavity formed by the casting insert wall, and at least one cooling duct, which is different from the cavity and which is formed at least partly within the cavity and/or which is formed at least partly within the casting insert wall. The casting insert wall has a wall thickness which can be defined as a normal distance between a point of the casting insert wall which faces the cavity and a point on an outer surface of the casting insert wall. The wall thickness is, at least in sections, less than 25% of a diameter of the casting insert.

Metal powder is compacted in a die to produce a preform having a preselected porosity with the metal powder containing iron and having a plurality of particles having a preselected particle sizes. The preform is carburized to produce a high carbon solution in the metal powder. The preform is contacted with an ammonia gas distillation solution to inject nitrogen therein. The preform is heat treated for a predetermined period of time at a predetermined temperature and at a predetermined pressure. The preform is quenched to form a metal part.