Provided is a cylinder liner having a first portion with a first thermal conductivity and a second portion with a second thermal conductivity. The first portion having the first thermal conductivity can include as-cast projections or a coating of a material, as desired. The first thermal conductivity can be greater than the second thermal conductivity. In this manner, the cylinder liner can exhibit a thermal conductivity gradient.

A method of forming a casting with a flow passage may include forming a core obtained by filling a tubular pipe with a filler; inserting the core into a mold having a cavity corresponding to a shape of the casting to be formed; performing a casting process by injecting molten metal into the cavity; and removing the filler from the core, wherein the casting process is performed through a high-pressure casting process.

An aluminium, magnesium and silicon-based die casting alloy having 5.0-7.0 wt. % magnesium, 1.5-7.0 wt. % silicon, 0.3-0.8 wt. % manganese, 0.03-0.5 wt. % iron, 0.01-0.4 wt. % molybdenum, 0.01-0.3 wt. % zirconium, 0-0.25 wt. % titanium, 0-0.25 wt. % strontium, 0-250 ppm phosphorus, 0-4 wt. % copper and 1-10 wt. % zinc, the remainder being aluminium and inevitable impurities.

The present invention provides an aluminum alloy that has exceptional casting properties and that can exhibit high mechanical properties without being subjected to a heat treatment, and an aluminum alloy casting material. More specifically, the present invention provides: an aluminum alloy that has exceptional casting properties, and that has a high 0.2% proof stress and exceptional ductility without being subjected to a heat treatment; and an aluminum alloy casting material. The aluminum alloy according to the present invention is characterized by containing 7.0-9.0 mass % of Si, 2.0-4.0 mass % of Cu, 0.8-1.2 mass % of Mg, 0.3-0.5 mass % of Fe, 0.3-0.5 mass % of Mn, and. 2.0-4.0 mass % of Zn, the balance being Al and unavoidable impurities.

New aluminum electrode alloys and methods of making the same are disclosed. In one embodiment, a method comprises, casting an aluminum alloy into an as-cast product, wherein the aluminum alloy comprises from 0.005 wt. % to 0.06 wt. % Fe, and forming the as-cast product into an aluminum electrode alloy. The casting step may comprise solidifying at a solidification rate. The solidification rate may be at or above a threshold solidification rate. The threshold solidification rate is sufficient to achieve not greater than 0.04 vol. % of Fe particles.

A hollow interconnecting member for connecting vehicular frame members is provided. The hollow interconnecting member is formed of a metal material and defines a centerline. The hollow interconnecting member comprises a first end and a second end. The centerline extends through the first end and the second end. A plurality of walls cooperate to define a continuous passageway that extends between the first end and the second end and defines a first opening and a second opening at the first end and the second end, respectively. The hollow interconnecting member is formed as an as-cast one-piece construction.

A negative electrode active material includes a silicon-based alloy represented by Si-M.sub.1-M.sub.2-CB, wherein M.sub.1 and M.sub.2 are different from each other and are each independently selected from magnesium, aluminum, titanium, vanadium, chromium, iron, cobalt, nickel, copper, zinc, gallium, germanium, manganese, yttrium, zirconium, niobium, molybdenum, silver, tin, tantalum, and tungsten. In the silicon-based alloy, Si is in a range of about 50 at % to about 90 at %, M.sub.1 is in a range of about 10 at % to about 50 atom %, and M.sub.2 is in a range of 0 at % to about 10 at %, based on a total number of Si, M.sub.1, and M.sub.2 atoms. C is in a range of about 0.01 to about 30 parts by weight, and B is in a range of 0 to about 5 parts by weight, based on a total of 100 parts by weight of Si, M.sub.1, and M.sub.2.

A device for heating a liquid includes a metal body, a conduit for the passage of the liquid to be heated, and one or more heating elements. The conduit and the one or more heating elements are incorporated in the body which forms a wall around the conduit and the one or more heating elements. Heat generated by the one or more heating elements is transmitted to the liquid to be heated by conduction. The body is provided with a plurality of openings which are separated from each other, having a depth equal to wall thickness. At least two first openings of the plurality of openings are on the conduit, and at least two second openings of the plurality of openings are on the one or more heating elements.

A molten metal processing device including an assembly mounted on the casting wheel, including at least one vibrational energy source which supplies vibrational energy to molten metal cast in the casting wheel while the molten metal in the casting wheel is cooled, and a support device holding the vibrational energy source. An associated method for forming a metal product which provides molten metal into a containment structure included as a part of a casting mill, cools the molten metal in the containment structure, and couples vibrational energy into the molten metal in the containment structure.

A castable, moldable, or extrudable structure using a metallic base metal or base metal alloy. One or more insoluble additives are added to the metallic base metal or base metal alloy so that the grain boundaries of the castable, moldable, or extrudable structure includes a composition and morphology to achieve a specific galvanic corrosion rates partially or throughout the structure or along the grain boundaries of the structure. The insoluble additives can be used to enhance the mechanical properties of the structure, such as ductility and/or tensile strength. The insoluble particles generally have a submicron particle size. The final structure can be enhanced by heat treatment, as well as deformation processing such as extrusion, forging, or rolling, to further improve the strength of the final structure as compared to the non-enhanced structure.