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    • 103. 发明公开
    • 단조용 알루미늄 합금의 제조 방법
    • 铝合金锻造
    • KR1020080001328A
    • 2008-01-03
    • KR1020060059689
    • 2006-06-29
    • (주)알루텍
    • 이원의박희석정태인김준현서영명
    • C22C1/02C22C21/06
    • C22C1/1036C22C21/06C22C21/08
    • A method for manufacturing a forging aluminum alloy is provided to improve forging efficiency of an aluminum-magnesium alloy and to cut down a cost by increasing productivity of the forging aluminum alloy. A method for manufacturing a forging aluminum alloy includes a casting process, a leveling process, and a cooling process. The leveling process is performed at 470~490 degrees for 10~14 hours. The aluminum alloy is formed by 2.8~3.0 weight% of magnesium, under 0.03 weight% of silicon, under 0.03 weight% of iron, 0.07~0.08 weight% of copper, 0.018~0.022 weight% of titanium, 0.01 weight% of each inevitable element, and extra aluminum. The cooling process is performed at cooling speed over 200 degrees per hour to prevent a solidified compound from being precipitated.
    • 提供锻造铝合金的制造方法,以提高铝镁合金的锻造效率,并且通过提高锻造用铝合金的生产率来降低成本。 锻造铝合金的制造方法包括铸造工序,流平工序和冷却工序。 流平过程在470〜490度进行10〜14小时。 铝合金由2.8〜3.0重量%的镁,0.03重量%的硅,0.03重量%的铁,0.07〜0.08重量%的铜,0.018〜0.022重量%的钛,0.01重量%的不可避免的 元素和额外的铝。 冷却过程以每小时200度的冷却速度进行,以防止固化的化合物沉淀。
    • 106. 发明公开
    • 내소부 연화성이 우수한 알루미늄 합금판
    • 铝合金板耐腐蚀耐腐蚀
    • KR1020060115355A
    • 2006-11-08
    • KR1020067005994
    • 2003-12-19
    • 니폰게이긴조쿠가부시키가이샤
    • 자오피지시노하라마사루
    • C22C21/06
    • C22C21/06C22F1/047
    • An aluminum alloy sheet which comprises, in mass %, 2 to 5 % of Mg, more than 0.05 % and not more than 1.5 % of Fe, 0.05 to 1.5 % of Mn, a specific amount of a grain fining agent and the balanced amount of Al and inevitable impurities, wherein the content of Si, which is an inevitable impurity, is less than 0.20 %, Fe + Mn > 0.3 %, the amount of Fe forming a solid solution is 50 ppm or more, it contains 5000 pieces/mm 2 of intermetallic compounds having a diameter of their corresponding circle of 1 to 6 mum, and it exhibits an average diameter of grains formed in recrystallization of 20 mum or less. The alloy sheet is an Al-Mg based alloy sheet which exhibits a high strength before a baking treatment and high resistance to softening by baking.
    • 一种铝合金板,其以质量%计含有Mg的2〜5%,Fe的0.05%以上且1.5%以下,Mn:0.05〜1.5%,特定量的微粒化剂和平衡量 的Al和不可避免的杂质,其中作为不可避免的杂质的Si的含量小于0.20%,Fe + Mn> 0.3%,形成固溶体的Fe的量为50ppm以上,含有5000个/ mm 2的直径为1〜6μm的圆形金属间化合物,其再结晶形成的平均粒径为20μm以下。 该合金板是在烘烤处理前表现出高强度且耐高温烘焙软化的Al-Mg系合金板。