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德国专利DE102007033827中公布了一种德国技术人员研发的新型高强耐热铸造Al-Si合金。该合金的主要成分(质量分数)为:2.6%~4.5%Si、0.5%~3%Cu、0.001%~0.3%Mg、0.001%~0.8%Zr;合金中还含有Mn、Fe、Co、Zn、Ti、Ni、V、Nb、Be、Li、Y、Ce、Sc、Hf、Ag、Sr、Na、K、Ca、Sb、S、Ba、B、N和C中的一种或几种元素,这些元素的总含量不超过4%(质量分数);其余是Al和少量杂质。该合金的热传导性能良好,特别适于制造内燃机零部件,如汽缸盖和汽缸曲柄箱等。通过改变合金的成分可以调整该合金的热传导率,在
German patent DE102007033827 discloses a new high-strength heat-resistant cast Al-Si alloy developed by German technicians. The main components (mass fraction) of the alloy are 2.6% -4.5% Si, 0.5% -3% Cu, 0.001% -0.3% Mg and 0.001% -0.8% Zr. The alloy also contains Mn, Fe, Co and Zn , Ti, Ni, V, Nb, Be, Li, Y, Ce, Sc, Hf, Ag, Sr, Na, K, Ca, Sb, S, Ba, B, N and C , The total content of these elements does not exceed 4% (mass fraction); the rest is Al and a small amount of impurities. The alloy has good thermal conductivity and is particularly suitable for the manufacture of internal combustion engine components such as cylinder heads and cylinder crankcase. The alloy’s thermal conductivity can be adjusted by changing the composition of the alloy