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CN106167869B 一种替代QT500织机喷气件的铝合金材料及其金属型重力铸造方法 失效 - 权利终止

一种替代QT500织机喷气件的铝合金材料及其金属型重力铸造方法
摘要：
本发明公开一种替代QT500织机喷气件的铝合金材料，其特征在于：主成分含量按重量百分比计：锰Mn:≤2%，镉Cd:0.1%～0.5%，铜Cu:4.2%～8.0%且Cu≥0.8Mn+4.05%，钴Co：0.05%～0.5%；路易斯酸碱对总量1%×10‑2～2.0%，使合金平均晶粒度＜120微米，余量为铝Al。
摘要（英）：

An aluminium alloy material replacing QT500 to manufacture a weaving machine air injection component is disclosed. The material is characterized in that main components comprise not more than 2% by weight of manganese (Mn), 0.1-0.5% by weight of cadmium (Cd), 4.2-8.0% by weight of copper (Cu) with the Cu content being not less than 0.8*(the Mn content)+4.05%, 0.05-0.5% of cobalt (Co), and 1%*10<-2>-2.0% of a Lewis acid and base pair, with the balance being aluminum (Al), wherein the average grain size of the alloy is less than 120 micrometers.

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