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ALUMINUM ALLOY WITH ADDITIVES OF COPPER, LITHIUM AND AT LEAST ONE ALKALINE EARTH OR REAR EARTH META 发明授权

2023-08-20 3310 1516K 0

专利信息

申请日期 2025-07-15 申请号 RU2018112213
公开(公告)号 RU2761567C2 公开(公告)日 2021-12-10
公开国别 RU 申请人省市代码 全国
申请人 ZE BOING KOMPANI
简介 FIELD : welding. SUBSTANCE : invention relates to aluminum alloys; it can be used, when manufacturing products by friction welding with mixing. An aluminum alloy for producing a product by friction welding with mixing contains, wt.% : from 1.8 to 5.6 of copper, from 0.6 to 2.6 of lithium, and at least one element selected from lanthanum up to 1.5, strontium up to 1.5, cerium up to 1.5, praseodymium up to 1.5, aluminum is the rest. A method for producing an aluminum alloy includes weighing initial materials to obtain a set composition, loading initial materials to a crucible that is placed in a chamber, removing air from the chamber to a set vacuum level, melting, pouring into a mold and cooling, homogenizing, tempering in water, purifying and hot rolling, at least one of : processing on a solid solution, cold rolling or extracting, aging. EFFECT : invention is aimed at an increase in the strength of a welded joint. 23 cl, 5 tbl, 2 dwg


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