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铸造铝硅合金及其制备方法
InventionUnknown
10Claims · 2 independent
§ Ⅰ
Dossier Overview
Inventor
钟鼓; 陈忠平; 王苗苗; 王虎; 李威霖; 翁泽钜; 郭志超; 张玉朋; 宋炜; 吴盼; 廖小均
Filing Date
Sep 22, 2026
Publication Date
Oct 27, 2026
IPC Classification
C22C 21/02 (2006.01)C22C 1/02 (2006.01)B22D 15/00 (2006.01)B22D 18/04 (2006.01)C22F 1/047 (2006.01)
本发明提供了一种铸造铝硅合金及其制备方法。按重量百分比计，铸造铝硅合金包括7.6~10%的Si、1.0~2.0%的Cu、0.1~0.3%的Mn、0.2~0.4%的Mg、0.052~0.18%的Zr、0.075~0.165%的V、0.1~0.15%的Ti、0.05~0.2%的Ni、0.01~0.05%的Sn、0.01~0.05%的Fe、0.01~0.05%的Sr、余量为Al和不可避免的杂质元素；其中，杂质元素的总量≤0.12%。本发明通过多元微合金化组成使得晶粒尺寸细化，所得合金兼具高室温强度、韧性和高温强度，尤其适用于航空航天、武器装备和高速铁路等高端领域。
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