An apparatus for synchronously melting and preparing alloy, the alloy to be added is made into wire in advance, and the wire feeding speed required for the preparation of the alloy with a specific composition is calculated according to the flow rate of raw molten aluminum in the launder. In the continuous ingot casting process, the wire is continuously and stably fed into the launder of the raw molten aluminum at the wire feeding speed, and the alloy preparation is formed in real time, which is able to avoid specific gravity segregation caused by the long-term standing of melt, and realize the preparation of gradient materials while significantly improving the alloying efficiency. The present disclosure also relates to a method for synchronously melting and preparing alloy.

The invention relates to a rolled fin stock material from an 3xxx-series aluminium alloy comprising, in wt. %, Mn 0.7% to 2.0%, Si 0.4% to 1.5%, Zn up to 4%, Fe up to 0.8%, Zr 0.02% to 0.40%, Sc 0.01% to 0.6%, Ni up to 0.3%, Cu up to 0.5%, Mg up to 2%, Cr up to 0.3%, Ti up to 0.3%, the balance aluminium and tolerable impurities. The invention further relates to a brazed assembly of components incorporating such a fin stock material.

An aluminum alloy extruded material that exhibits high strength by air cooling immediately after extrusion processing and excellent stress corrosion cracking resistance, and a method for manufacturing the same are disclosed. The material includes, by mass: 6.0 to 8.0% of Zn, 1.50 to 2.70% of Mg, 0.20 to 1.50% of Cu, 0.005 to 0.05% of Ti, 0.10 to 0.25% of Zr, 0.3% or less of Mn, 0.05% or less of Cr, 0.25% or less of Sr, and 0.10 to 0.50% in total among Zr, Mn, Cr and Sr, with the balance being Al and unavoidable impurities.

A method for reducing target surface features in continuously cast articles is described. The method can remove a target surface feature, such as a compositional variation or casting defect, from the continuously cast article by removing, before cold rolling, material from the continuously cast article surface.

A method for casting a metal alloy in an ingot mold extending along a vertical axis, the horizontal section of the ingot mold being parallelepiped in shape. During casting, a travelling alternating magnetic field is applied to a liquid phase of the alloy, the magnetic field having a maximum amplitude propagating along an axis of propagation. Under the effect of the magnetic field, a Lorentz force is applied to the liquid phase of the alloy, such that a Lorentz force of maximum intensity propagates along the axis of propagation. The method includes modulating the maximum intensity of the Lorentz force propagating along the axis of propagation. This modulation is obtained by varying, over time, one or more parameters, referred to as force parameters, governing the Lorentz force. An ingot obtained by the method is also described.

The invention relates to a method and a device for casting a melt 4 of a metallic material by means of a furnace 2 of a low pressure casting device, which furnace 2 has a receiving space 3 and a riser tube protruding into said receiving space 3. By pressurizing the receiving space 3 with compressed air, the melt 4 in the riser tube 12 of the furnace 2 is pressed into a mold cavity 10 of a mold 7, wherein simultaneously, a magnetic field acting against the conveying direction 23 of the melt 4 is applied to the melt 4 of the metallic material by means of a magnetic element 16 arranged in the region of the riser tube 12.

The present invention relates to a high-strength and high-toughness high-magnesium aluminum alloy and a preparation method thereof. The high-strength and high-toughness high-magnesium aluminum alloy provided by the present invention comprises the following components in percentage by mass: 5.54-6.80% of Mg, 0.50-0.60% of Mn, 0.12-0.16% of Zr, 0.30-0.36% of Er, less than or equal to 0.3% of Si, less than or equal to 0.2% of Fe and the balance of Al. In the present invention, the content of each element is strictly controlled, after a proper amount of Zr and Er rare earth elements in mass percent are added into the aluminum alloy, the mass percent of Mg element in the aluminum alloy is further controlled, so that the Mg element can interact with the rare earth elements efficiently, and the strength and toughness matching of the aluminum alloy with an Al—Mg—Mn—Zr—Er multi-element system can be improved.

A process for the electromagnetic refining of light metals being cast is provided. The process includes applying a single phase weak stationary field to the metal with a low frequency induction coil during solidification.

Techniques are disclosed for casting high-strength and highly formable metal products from recycled metal scrap without the addition of substantial or any amounts of primary aluminum. Additional alloying elements, such as magnesium, can be added to metal scrap, which can be cast and processed to produce a desirable metal coil at final gauge having desirable metallurgical and mechanical properties, such as high strength and formability. Thus, inexpensive and recycled metal scrap can be efficiently repurposed for new applications, such as automotive applications and beverage can stock.

A method for casting that includes a.) determining a diameter (D) of a cross section of a product to be cast in meter (m), b.) determining an intended steady-state casting speed (V) of the product to be cast using direct chill casting in meter per second (m/s), c.) determining a Si content (cSi) in percent by weight based on the total weight of a melt (wt-%) for the melt to be used for casting the cast product, d.) preparing a melt comprising Zn: 5.30 to 5.9 wt-%, Mg: 2.07 to 3.3 wt-%, Cu: 1.2 to 1.45 wt-%, Fe: 0 to 0.5 wt-%, Si: according to cSi, impurities up to 0.2 wt-% each and 0.5 wt-% in total, and balance aluminium, and e.) casting the melt into the cast product having the intended diameter (D) using direct chill casting, wherein the casting is carried out using the intended steady-state casting speed (V).