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公开(公告)号：US20210220905A1
公开(公告)日：2021-07-22
申请号：US16096780
申请日：2017-05-17
Applicant: CONSTELLIUM ISSOIRE
Inventor： Philippe JARRY , Fabio TAINA , Jean-Louis ACHARD , Marc BERTHERAT , Pierre-Yves MENET , Mircea CABLEA
IPC: B22D11/00 , B22D11/115 , B22D11/041 , B22D11/12
Abstract: 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.
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公开(公告)号：US20240368732A1
公开(公告)日：2024-11-07
申请号：US18683841
申请日：2022-08-29
Inventor： Marc BERTHERAT , Laurent JOUET-PASTRE , Anne PICHAT , Alain VASSEL , Emmanuel WAZ
Abstract: The invention relates to a scrap remelting line comprising at least one storage silo configured to store scrap, at least two induction furnaces for remelting the scrap and obtaining the remelted liquid metal, a means for supplying the scrap to the at least two induction furnaces, at least one furnace receiving the liquid metal (6), and a means for transporting the remelted liquid metal (5, 15) to the receiving furnace. The invention also relates to the method for obtaining liquid metal from scrap remelted in induction furnaces.
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公开(公告)号：US20240352556A1
公开(公告)日：2024-10-24
申请号：US18683671
申请日：2022-08-29
Inventor： Anne PICHAT , Marc BERTHERAT , Alain VASSEL
CPC classification number: C22B21/0092 , C22B7/003 , C22B9/003 , C22B9/006 , C22B9/05 , C22B9/16 , C22B21/0007
Abstract: The invention relates to a method for re-melting coated aluminum alloy scrap comprising a step of supplying shredded coated aluminum alloy scrap, consisting of individual entities; a decoating step, a step of preparing a heel, a step of loading and melting the decoated scrap on the heel. The invention is characterized in that the scrap has a specific geometry wherein at least 50% of the individual entities of the shredded coated scrap has a fold ratio (R) of less than or equal to 0.6, wherein the fold ratio (R) of an individual entity is defined by: fold ratio=R=(unfolded area−folded area)/(unfolded area), wherein the folded area is the maximum area of the orthogonal projection of the individual entity onto a plane and the unfolded area is the total area of the same individual entity after it has been unfolded.
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公开(公告)号：US20240352555A1
公开(公告)日：2024-10-24
申请号：US18683614
申请日：2022-08-29
Inventor： Marc BERTHERAT , Anne PICHAT , Emmanuel WAZ , Alain VASSEL
CPC classification number: C22B21/0092 , C22B7/003 , C22B9/003 , F27B14/061 , F27B14/0806 , F27D3/0024 , F27D3/0025 , F27D11/06
Abstract: The invention relates to a method for melting an aluminum load, comprising: supplying an aluminum load (11, 12, 13) of which at least 15% by weight is in the form of a sow of essentially cylindrical shape (11) of height h and maximum diameter d; loading said load into a cylindrical induction furnace (10) of height H and maximum internal diameter D in which the height direction of said sow is substantially parallel to the height direction of the furnace; melting said load by induction to obtain a liquid metal bath (2); optionally adjusting content of said liquid metal in which d is in the range from 0.7 D to 0.97 D and preferably in the range from 0.84 D to 0.92 D.
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