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1. (WO2017041203) DIE-CAST ALUMINIUM ALLOY AND PREPARATION METHOD THEREFOR

Pub. No.:    WO/2017/041203    International Application No.:    PCT/CN2015/000743
Publication Date: Fri Mar 17 00:59:59 CET 2017 International Filing Date: Sat Oct 31 00:59:59 CET 2015
IPC: C22C 21/00
C22C 21/06
Applicants: SUZHOU KAI YOU ELECTRONIC SCIENCE AND TECHNOLOGY LIMITED COMPANY
苏州凯宥电子科技有限公司
Inventors: CHEN, Changlan
陈昌兰
Title: DIE-CAST ALUMINIUM ALLOY AND PREPARATION METHOD THEREFOR
Abstract:
A die-cast aluminium alloy comprises the following components in percentage by weight: 1.0-4.0 wt% of Mn, 0.50-2.50 wt% of Zn, 0.1-0.5 wt% of Zr, 0.1-0.5 wt% of Fe, and the balance being Al and impurities. The total content of impurities is less than or equal to 0.2 wt%, wherein impurity Si is less than or equal to 0.1 wt%, and impurity Cu is less than or equal to 0.1 wt%. The preparation method for the die-cast aluminium alloy comprises the steps of material preparation, drying, smelting, refining, die-casting and anodizing.