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2. 发明公开

EP2789706A1 Method of casting lithium containing aluminium alloys 失效转让
标题翻译： Verfahren zumGießenvon Lithium mit Aluminiumlegierungen
公开(公告)号：EP2789706A1
公开(公告)日：2014-10-15
申请号：EP13163369.5
申请日：2013-04-11
申请人： Aleris Rolled Products Germany GmbH
发明人： Brandt, Fred
IPC分类号： C22C1/02 , C22F1/04
CPC分类号： B22D7/005 , B22D1/00 , B22D7/02 , B22D11/041 , B22D11/086 , B22D11/10 , B22D11/119 , B22D21/007 , B22D21/04 , B22D37/00 , C22C1/026 , C22C21/00
摘要： The invention relates to a method of casting an ingot of an aluminium alloy comprising lithium, comprising the steps of: (a) preparing at least two molten aluminium based alloys in separate furnaces, a first alloy with a composition A which is free from lithium as purposive alloying element, and a second alloy with a composition B which comprises lithium as purposive alloying element; (b) transferring the first alloy via a metal conveying trough from the furnace to a casting station; (c) initiate the start of casting an ingot and casting the first alloy to a required length L1 of an ingot in the casting direction; (d) subsequently transferring the second alloy via a metal conveying trough from the furnace to the casting station while simultaneously stopping the transfer of the first alloy to said casting station; (e) casting the second alloy from an end surface of the cast first alloy at length L1 to an additional required length L2 in the casting direction; (f) cropping the cast ingot at a bottom thereof at a length that is greater than of equal to the cast length L1.
摘要翻译：本发明涉及一种铸造包含锂的铝合金锭的方法，包括以下步骤：（a）在单独的炉中制备至少两种熔融铝基合金，第一种合金的组成A不含锂作为有目的的合金元素和具有组成B的第二合金，其包含锂作为有目的的合金元素; （b）通过金属输送槽将第一合金从炉转移到铸造台; （c）开始铸造铸锭并将第一合金铸造成铸锭方向上所需长度的铸锭长度L1; （d）随后通过金属输送槽将第二合金从炉转移到铸造站，同时停止将第一合金转移到所述铸造工位; （e）将铸造第一合金的端面长度为L1的第二合金从铸造方向铸造到另外的所需长度L2; （f）在其底部以大于等于铸造长度L1的长度裁剪铸锭。

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