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欧洲专利EP0989195本发明所推荐的高强和耐热铝合金的化学成分(质量分数,%)如下:Cu4.5~5.5、Mg0.45~0.65、Si≤0.2、Fe≤0.25、Mg≤0.8、Ti≤0.15。还推荐了Zr0.12~0.25、Ag0.05~0.5和杂质(总量≤0.15)合金的制备方法。本发明合金的热稳定性非常高,它可以用于生产工作温度近160℃的聚乙烯压力铸造用模。
European patent EP0989195 The chemical composition (mass fraction,%) of the high-strength and heat-resistant aluminum alloy recommended by the invention is as follows: Cu4.5-5.5, Mg0.45-0.65, Si≤0.2, Fe≤0.25, Mg≤0.8, Ti ≤0.15. Also recommended Zr0.12 ~ 0.25, Ag0.05 ~ 0.5 and impurities (total ≤ 0.15) Preparation of the alloy. The alloy of the present invention has very high thermal stability and can be used in the production of polyethylene die-cast molds at operating temperatures of near 160 ° C.