An exemplary casting assembly for an engine block includes, among other things, an insert and at least one magnet configured to retain the insert in a predefined position within an engine block mold cavity. An exemplary engine block casting method includes, among other things, positioning at least one insert in a mold cavity, retaining the insert in position with at least one magnet, introducing material into the mold cavity to form an engine block, and solidifying the material to secure the insert within the engine block.

A method of manufacturing an aluminum alloy cylinder head includes providing a mold assembly including a gating system, a head deck mold, and a mold cavity. Liquid aluminum alloy is pumped at low pressure into the gating system of the mold assembly filling the mold cavity. Next, the head deck mold is removed from the mold assembly and the head deck and combustion chambers of the cylinder head are quenched.

A method for producing an aluminum alloy, comprises: separately preparing an aluminum or aluminum alloy matrix and an aluminum nitride-aluminum composite; melting the matrix, and adding the aluminum nitride-aluminum composite to the molten matrix to prepare a melt; and casting the melt.

A method for repairing a die-casting sleeve comprising a ceramic-made inner cylinder shrink-fit in a metal-made outer cylinder, comprising the steps of detaching the used inner cylinder from the outer cylinder by heating; forming a diameter-increasing layer on a peripheral surface of the outer cylinder before or after shrink-fitting a new inner cylinder in the outer cylinder; assembling a new inner cylinder in the outer cylinder; and then machining the diameter-increasing layer to a cylindrical shape.

The invention relates to biodegradable, metal alloy-containing compositions, methods for their preparation and applications for their use. The compositions include magnesium and other components, such as yttrium, calcium, silver, cerium, and zirconium; or zinc, silver, cerium, and zirconium; or aluminum, zinc, calcium, manganese, silver, yttrium; or strontium, calcium, zinc. The compositions are prepared by vacuum induction/crucible melting together the components and casting the melted mixture in a preheated mild steel/copper mold. In certain embodiments, the compositions of the invention are particularly useful for forming medical devices for implantation into a body of a patient.

A data mining-based method for real-time production quality prediction of aluminum alloy casting, includes: (1) based on mold flow analysis results, installing sensors on a casting mold; wherein the sensors include at least one temperature sensor, at least one pressure sensor, at least one contact sensor, and a multi-functional gas sensor; (2) during casting production, real-time collecting temperatures, pressures, and contact times of the aluminum liquid at a plurality of locations of the casting mold, and pressure, composition, humidity, and temperature of gas in a mold cavity, by the installed sensors, for constructing an aluminum alloy casting process parameter set; and (3) inputting the process parameter set to a production quality prediction model; wherein the production quality prediction model is used to judge whether the production quality is qualified, which is obtained by mining a relationship between history casting process parameters and casting quality data.

The present application belongs to the technical field of new energy vehicle motors, and discloses an aluminum alloy for casting a motor rotor in a new energy vehicle and a preparation method thereof. The aluminum alloy includes 0.05 wt %-0.06 wt % titanium, 0.04 wt %-0.06 wt % boron, 0.15 wt %-0.5 wt % silicon, 0.01 wt %-0.08 wt % iron, 0.5 wt %-0.7 wt % copper, 0.3 wt %-0.5 wt % magnesium, 0.01 wt %-0.2 wt % zinc, 0.02 wt %-0.12 wt % manganese, and the balance of aluminum. By adding new elements and adjusting the ratio of the elements, the strength of the cast aluminum alloy is enhanced, and meanwhile, the excellent electricity conductivity can also be kept.

New 2xxx aluminum alloys having are disclosed. The new 2xxx aluminum alloys generally include 2.5-3.9 wt. % Cu, 0.82-1.20 wt. % Li, 0.5-2.0 wt. % Zn, 0.10-0.60 wt. % Mn, 0.05-0.35 wt. % Mg, from 0.05 to 0.50 wt. % of at least one grain structure control element, wherein the at least one grain structure control element is selected from the group consisting of Zr, Sc, Cr, V, Hf, other rare earth elements, and combinations thereof, up to 0.22 wt. % Ag, up to 0.15 wt. % Fe, up to 0.12 wt. % Si, and up to 0.15 wt. % Ti, the balance being aluminum, incidental elements and impurities. The new 2xxx aluminum alloys may realize an improved combination of two or more of strength, fracture toughness, elongation, and corrosion resistance.

An AlNiFe-based alloy is based on an entire alloy of 100 wt % and includes: nickel (Ni) at 1.0 to 1.3 wt %; iron (Fe) at 0.3 to 0.9 wt %; silicon (Si) at 0.2 to 0.35 wt %; magnesium (Mg) at 0.3 to 0.5 wt %; and aluminum (Al) as a remainder, wherein a sum (Ni+Fe) of nickel and iron content is 1.6 wt % or more and 1.9 wt % or less.

Provided is an aluminum alloy for die casting. The aluminum alloy includes: 3-10 wt % silicon (Si); 0.1-2.0 wt % magnesium (Mg); 0.01-1.3 wt % iron (Fe); 0.01-2.0 wt % zinc (Zn); 0.01-1.5 wt % copper (Cu); 0.01-0.5 wt % manganese (Mn); 0.01-0.5 wt % chrome (Cr); 0.012.0 wt % lanthanum (La); 0.012.0 wt % cerium (Ce); 0.012.0 wt % strontium (Sr); rest aluminum (Al); and unavoidable impurities. The aluminum alloy is improved in not only corrosion-resistance but also physical properties.