A titanium based, ceramic reinforced body formed from an alloy having from about 3 wt. % to about 10 wt. % of zirconium, about 10 wt. % to about 25 wt. % of niobium, from about 0.5 wt. % to about 2 wt. % of silicon, and from about 63 wt. % to about 86.5 wt. % of titanium. The alloy has a hexagonal crystal lattice phase of from about 20 vol % to about 70 vol %, and a cubic body centered crystal lattice phase of from about 30 vol. % to about 80 vol. %. The body has an ultimate tensile strength of about 950 MPa or more, and a Young's modulus of about 150 GPa or less. A molten substantially uniform admixture of a zirconium, niobium, silicon, and titanium alloy is formed, cast into a shape, and cooled into body. The body may then be formed into a desired shape, for example, a medical implant and optionally annealed.

A three-dimensional metallic foam is fabricated with an active oxide material for use as an anode for lithium batteries. The porous metal foam, which can be fabricated by a freeze-casting process, is used as the anode current collector of the lithium battery. The porous metal foam can be heat-treated to form an active oxide material to form on the surface of the metal foam. The oxide material acts as the three-dimensional active material that reacts with lithium ions during charging and discharging.

A method casts a plurality of alloy parts in a mold (600; 700) having a plurality of part-forming cavities (601). The method comprises pouring a first alloy into the mold causing: the first alloy to branch into respective flows along respective first flowpaths (676, 684; 708) to the respective cavities; and a surface of the first alloy in the part-forming cavities to equilibrate. The method further comprises pouring a second alloy into the mold causing: the second alloy to branch into respective flows along respective second flowpaths (676, 680; 712) to the respective cavities.

A titanium alloy that includes about 5 to about 33 percent by weight copper, about 1 to about 8 percent by weight iron, and titanium.

A method of manufacturing a Ni alloy casting, includes a casting step of casting molten Ni alloy by pouring the molten Ni alloy into a cavity of a mold, a columnar grain forming step of forming columnar grain by solidifying the molten Ni alloy while drawing the mold, in which the molten Ni alloy has been poured, at a drawing speed of 100 mm/hour or more but 400 mm/hour or less with a temperature gradient provided to a solid-liquid interface, and an equiaxed grain forming step of forming equiaxed grain by solidifying the molten Ni alloy while drawing the mold at a drawing speed of 1000 mm/minute or more continuously after the columnar grain forming step.

Methods are provided for manufacturing a component. In one method, first metal material is cast into a first body. At least a portion of the first body is machined. Second metal material is cast onto at least the machined portion of the first body to form a monolithic second body. A first portion of the second body is formed by the first metal material, A second portion of the second body is formed by the second metal material. The second metal material is different from the first metal material.

One exemplary embodiment of this disclosure relates to a gas turbine engine, including a component having a first portion formed using one of a casting and a forging process, and a second portion formed using an additive manufacturing process.

A mold for casting a titanium-containing article includes calcium aluminate and silicon carbide, and the silicon carbide is graded in the mold such that it is in different portions of the mold in different amounts, with the highest concentration of silicon carbide being located between a bulk of the mold and a surface of the mold that opens to a mold cavity.

An apparatus and a process for producing forged components composed of TiAl alloys, wherein a melt of a TiAl alloy is provided and is cast by horizontal centrifugal casting so as to produce at least one semifinished TiAl cast part and the semifinished TiAl cast part is converted by forging into a forged TiAl part.

A method of manufacturing a golf club head enables increased moment-of-inertia and improved durability. The golf club head's crown portion has a first region having a first thickness and multiple second regions having a second thickness that is smaller than the first thickness. The second regions are distributed in a radiating fashion so as to extend from an origin toward a peripheral portion of the crown portion excluding the face side, the origin being located within 15 mm of the center of gravity of the golf club head in the toe-heel direction and also being located in the vicinity of the face side in the face-back direction in a plan view.